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id="toc-Electricity" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Electricity"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Electricity</span> </div> </a> <ul id="toc-Electricity-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Shape_and_design" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Shape_and_design"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Shape and design</span> </div> </a> <button aria-controls="toc-Shape_and_design-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Shape and design subsection</span> </button> <ul id="toc-Shape_and_design-sublist" class="vector-toc-list"> <li id="toc-Cast_iron" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Cast_iron"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Cast iron</span> </div> </a> <ul id="toc-Cast_iron-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hot-water_baseboard" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Hot-water_baseboard"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Hot-water baseboard</span> </div> </a> <ul id="toc-Hot-water_baseboard-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Panel_radiator" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Panel_radiator"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Panel radiator</span> </div> </a> <ul id="toc-Panel_radiator-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Aluminium_radiators" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Aluminium_radiators"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>Aluminium radiators</span> </div> </a> <ul id="toc-Aluminium_radiators-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Fan-assisted_heat_exchanger" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Fan-assisted_heat_exchanger"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.5</span> <span>Fan-assisted heat exchanger</span> </div> </a> <ul id="toc-Fan-assisted_heat_exchanger-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Underfloor" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Underfloor"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.6</span> <span>Underfloor</span> </div> </a> <ul id="toc-Underfloor-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Skirting-board_heating" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Skirting-board_heating"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.7</span> <span>Skirting-board heating</span> </div> </a> <ul id="toc-Skirting-board_heating-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Indoor_climate_impact" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Indoor_climate_impact"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Indoor climate impact</span> </div> </a> <ul id="toc-Indoor_climate_impact-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sources" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sources"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Sources</span> </div> </a> <ul id="toc-Sources-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" 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Available in 26 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-26" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">26 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%B4%D8%B9%D8%A7%D8%B9_(%D8%AA%D8%AF%D9%81%D8%A6%D8%A9)" title="مشعاع (تدفئة) – Arabic" lang="ar" hreflang="ar" data-title="مشعاع (تدفئة)" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Radiator" title="Radiator – Azerbaijani" lang="az" hreflang="az" data-title="Radiator" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D0%B0%D1%82%D0%BE%D1%80" title="Радиатор – Bulgarian" lang="bg" hreflang="bg" data-title="Радиатор" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Radiador" title="Radiador – Catalan" lang="ca" hreflang="ca" data-title="Radiador" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Radi%C3%A1tor" title="Radiátor – Czech" lang="cs" hreflang="cs" data-title="Radiátor" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Heizk%C3%B6rper" title="Heizkörper – German" lang="de" hreflang="de" data-title="Heizkörper" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9A%CE%B1%CE%BB%CE%BF%CF%81%CE%B9%CF%86%CE%AD%CF%81" title="Καλοριφέρ – Greek" lang="el" hreflang="el" data-title="Καλοριφέρ" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Radiador_(calefacci%C3%B3n)" title="Radiador (calefacción) – Spanish" lang="es" hreflang="es" data-title="Radiador (calefacción)" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Radiatoro" title="Radiatoro – Esperanto" lang="eo" hreflang="eo" data-title="Radiatoro" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B0%A9%EC%97%B4%EA%B8%B0" title="방열기 – Korean" lang="ko" hreflang="ko" data-title="방열기" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Calorifero" title="Calorifero – Italian" lang="it" hreflang="it" data-title="Calorifero" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Radi%C3%A1tor" title="Radiátor – Hungarian" lang="hu" hreflang="hu" data-title="Radiátor" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D1%98%D0%B0%D1%82%D0%BE%D1%80" title="Радијатор – Macedonian" lang="mk" hreflang="mk" data-title="Радијатор" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Aia_Radiator" title="Aia Radiator – Minangkabau" lang="min" hreflang="min" data-title="Aia Radiator" data-language-autonym="Minangkabau" data-language-local-name="Minangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Radiator" title="Radiator – Dutch" lang="nl" hreflang="nl" data-title="Radiator" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Radiator_(boligoppvarming)" title="Radiator (boligoppvarming) – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Radiator (boligoppvarming)" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Grzejnik" title="Grzejnik – Polish" lang="pl" hreflang="pl" data-title="Grzejnik" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D0%B0%D1%82%D0%BE%D1%80_%D0%BE%D1%82%D0%BE%D0%BF%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F" title="Радиатор отопления – Russian" lang="ru" hreflang="ru" data-title="Радиатор отопления" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Radi%C3%A1tor" title="Radiátor – Slovak" lang="sk" hreflang="sk" data-title="Radiátor" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%B8%D1%98%D0%B0%D1%82%D0%BE%D1%80" title="Радијатор – Serbian" lang="sr" hreflang="sr" data-title="Радијатор" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/L%C3%A4mp%C3%B6patteri" title="Lämpöpatteri – Finnish" lang="fi" hreflang="fi" data-title="Lämpöpatteri" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Radiator" title="Radiator – Swedish" lang="sv" hreflang="sv" data-title="Radiator" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kalorifer" title="Kalorifer – Turkish" lang="tr" hreflang="tr" data-title="Kalorifer" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D1%96%D0%B0%D1%82%D0%BE%D1%80_%D0%BE%D0%BF%D0%B0%D0%BB%D0%B5%D0%BD%D0%BD%D1%8F" title="Радіатор опалення – Ukrainian" lang="uk" hreflang="uk" data-title="Радіатор опалення" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%9A%96%E7%88%90" title="暖爐 – Cantonese" lang="yue" hreflang="yue" data-title="暖爐" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%9A%96%E6%B0%A3%E7%89%87" title="暖氣片 – Chinese" lang="zh" hreflang="zh" data-title="暖氣片" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q15951606#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet 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Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Radiator%22+heating">"Radiator" heating</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Radiator%22+heating+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Radiator%22+heating&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Radiator%22+heating+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Radiator%22+heating">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Radiator%22+heating&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">February 2017</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Household_radiator.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/02/Household_radiator.jpg/220px-Household_radiator.jpg" decoding="async" width="220" height="197" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/02/Household_radiator.jpg/330px-Household_radiator.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/02/Household_radiator.jpg/440px-Household_radiator.jpg 2x" data-file-width="1665" data-file-height="1494" /></a><figcaption>A cast iron household radiator</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Bathroom-radiator.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Bathroom-radiator.jpg/220px-Bathroom-radiator.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Bathroom-radiator.jpg/330px-Bathroom-radiator.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Bathroom-radiator.jpg/440px-Bathroom-radiator.jpg 2x" data-file-width="3264" data-file-height="2448" /></a><figcaption>Heat exchange by built-in bathroom radiator uses hot water flow through the stainless steel pipes seen here to raise the temperature of the ambient air. The radiator depicted here also serves as a towel rack and warmer.</figcaption></figure> <p><b>Radiators</b> and <b>convectors</b> are <a href="/wiki/Heat_exchanger" title="Heat exchanger">heat exchangers</a> designed to transfer <a href="/wiki/Thermal_energy" title="Thermal energy">thermal energy</a> from one medium to another for the purpose of space heating. </p><p><a href="/wiki/Denison_Olmsted" title="Denison Olmsted">Denison Olmsted</a> of New Haven, Connecticut, appears to have been the earliest person to use the term 'radiator' to mean a heating appliance in an 1834 patent for a stove with a heat exchanger which then radiated heat. In the patent he wrote that his invention was "a peculiar kind of apparatus, which I call a radiator".<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The heating radiator was invented by <a href="/wiki/Franz_San_Galli" title="Franz San Galli">Franz San Galli</a> in 1855, a <a href="/wiki/Kingdom_of_Prussia" title="Kingdom of Prussia">Kingdom of Prussia</a>-born <a href="/wiki/Russia" title="Russia">Russian</a> businessman living in <a href="/wiki/St._Petersburg" class="mw-redirect" title="St. Petersburg">St. Petersburg</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> In the late 1800s, companies, such as the <a href="/wiki/American_Radiator_Company" title="American Radiator Company">American Radiator Company</a>, promoted cast iron radiators over previous fabricated steel designs in order to lower costs and expand the market. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Radiation_vs._convection">Radiation vs. convection</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=1" title="Edit section: Radiation vs. convection"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A <i><a href="/wiki/Radiator" title="Radiator">radiator</a></i> is a device that <a href="/wiki/Heat_transfer" title="Heat transfer">transfers heat</a> to a medium primarily through <a href="/wiki/Thermal_radiation" title="Thermal radiation">thermal radiation</a>. In practice, the term radiator is often applied to any number of devices in which a fluid circulates through exposed pipes (often with fins or other means of increasing surface area), notwithstanding that such devices tend to transfer heat mainly by <a href="/wiki/Convection" title="Convection">convection</a> and might logically be called <i>convectors</i>. </p><p>The terms <i><a href="/wiki/Convection_heater" title="Convection heater">convection heater</a></i> and <i>convector</i> refer to a class of devices in which the source of heat is not directly exposed. As domestic safety and the supply from water heaters keep temperatures relatively low, radiation is inefficient in comparison to convection.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2023)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Energy_source">Energy source</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=2" title="Edit section: Energy source"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Steam">Steam</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=3" title="Edit section: Steam"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:2006_400x700_one_pipe_steam_radiator.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/2006_400x700_one_pipe_steam_radiator.jpg/170px-2006_400x700_one_pipe_steam_radiator.jpg" decoding="async" width="170" height="298" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/2006_400x700_one_pipe_steam_radiator.jpg/255px-2006_400x700_one_pipe_steam_radiator.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f1/2006_400x700_one_pipe_steam_radiator.jpg/340px-2006_400x700_one_pipe_steam_radiator.jpg 2x" data-file-width="400" data-file-height="700" /></a><figcaption>A cast iron radiator with single-pipe steam supply and radiator air vent</figcaption></figure> <p>Steam has the advantage of flowing through pipes under its own pressure without the need for pumping. For this reason, it was adopted earlier, before electric motors and pumps became available. Steam is also far easier to distribute than hot water throughout large, tall buildings like <a href="/wiki/Skyscrapers" class="mw-redirect" title="Skyscrapers">skyscrapers</a>. However, the higher temperatures at which steam systems operate make them inherently less efficient, as unwanted heat loss is inevitably greater. </p><p>Steam pipes and radiators are prone to producing banging sounds called <a href="/wiki/Water_hammer#Related_phenomena" title="Water hammer">steam hammer</a>. The bang is created when some of the steam <a href="/wiki/Condensation" title="Condensation">condenses</a> into water in a horizontal section of the steam piping. Subsequently, steam picks up the water, forms a "slug" and hurls it at high velocity into a pipe fitting, creating a loud hammering noise and greatly stressing the pipe. This condition is usually caused by a poor condensate drainage strategy and is often caused by buildings settling and the resultant pooling of condensate in pipes and radiators that no longer tilt slightly back towards the <a href="/wiki/Boiler" title="Boiler">boiler</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2020)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading3"><h3 id="Hot_water">Hot water</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=4" title="Edit section: Hot water"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Hotwater_baseboard_radiator_(2).JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Hotwater_baseboard_radiator_%282%29.JPG/220px-Hotwater_baseboard_radiator_%282%29.JPG" decoding="async" width="220" height="176" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Hotwater_baseboard_radiator_%282%29.JPG/330px-Hotwater_baseboard_radiator_%282%29.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Hotwater_baseboard_radiator_%282%29.JPG/440px-Hotwater_baseboard_radiator_%282%29.JPG 2x" data-file-width="1724" data-file-height="1378" /></a><figcaption>Hot-water baseboard-style radiator (top) which is covered (left) and opened (right), with inside view (bottom) showing the aluminium fins which are attached in series to the copper pipe</figcaption></figure> <p>A hot-water radiator consists of a sealed hollow metal container filled with hot water from a <i><a href="/wiki/Boiler" title="Boiler">boiler</a></i> or other heating device by gravity feed, a pump, or <i><a href="/wiki/Natural_convection" class="mw-redirect" title="Natural convection">natural convection</a></i>. As it gives out heat, the hot water cools and sinks to the bottom of the radiator and is forced out of a pipe at the other end. <a href="/wiki/Water_hammer" title="Water hammer">Anti-hammer</a> devices are often installed to prevent or minimize knocking in hot water radiator pipes. </p> <div class="mw-heading mw-heading3"><h3 id="Electricity">Electricity</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=5" title="Edit section: Electricity"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Unlike steam or hot water systems which receive heat from a boiler, electric radiators produce heat from electricity at the location of the radiator. This heat may be transferred to a fluid (such as oil) inside the radiator. The oil circulates inside the radiator by convection, which distributes the heat from the heating element to the surface of the radiator. Smaller electric radiators have the advantage of being portable, as they do not need to be connected to pipework. Some electric radiators can also use hot water; this is particularity common for <a href="/wiki/Towel_warmer" title="Towel warmer">heated towel rails</a>, where the radiator uses hot water when the central heating system is running but switches to electricity when heating the whole building is not required. </p> <div class="mw-heading mw-heading2"><h2 id="Shape_and_design">Shape and design</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=6" title="Edit section: Shape and design"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Cast_iron">Cast iron</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=7" title="Edit section: Cast iron"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Cast_iron" title="Cast iron">Cast iron</a> radiators may be used with hot water or steam systems. Traditional cast iron radiators are no longer common in new construction, replaced mostly with forced hot water baseboard or panel radiators, but they remain available. </p> <div class="mw-heading mw-heading3"><h3 id="Hot-water_baseboard">Hot-water baseboard</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=8" title="Edit section: Hot-water baseboard"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Hot-water baseboard convectors (often referred to as "fin-tube radiators") consist of copper pipes which have aluminum fins attached to increase their surface area. Conduction is used to transfer heat from the water circulated in the pipes into the metal radiators or convectors. </p><p>Baseboard convectors are designed to heat the air in the room using convection to transfer heat from the radiators to the surrounding air.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> They do this by drawing cool air in at the bottom, warming the air as it passes over the radiator fins, and discharging the heated air at the top. This sets up convective loops of air movement within a room. If the radiator is blocked either from above or below, this air movement is prevented, and the heater will not work. Baseboard heating systems are sometimes fitted with moveable covers to allow the resident to fine-tune heating by room, much like air registers in a central air system. </p> <div class="mw-heading mw-heading3"><h3 id="Panel_radiator">Panel radiator</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=9" title="Edit section: Panel radiator"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Panel radiators are <a href="/wiki/Welding" title="Welding">welded</a> from flat or corrugated steel panels, and are usually hung from the wall. They are usually used with hot water systems, but electric versions are also available. The panels often have fins attached, which increases the surface area and therefore the amount of heat that can be transferred into the air. Several panels may be stacked together to make one radiator, and the resulting radiator is referred to with a two-digit type number. The first digit is the number of panels, and the second is the number of sets of fins, for example a type 21 radiator has two panels with one set of fins in between. Air flow around the radiator and between the panels is by convection only, and must be unrestricted if the radiator is to reach its design performance. The heat output of panel radiators is regulated by controlling the flow of hot water, with either a manual or a <a href="/wiki/Thermostatic_radiator_valve" title="Thermostatic radiator valve">thermostatic valve.</a> </p> <div class="mw-heading mw-heading3"><h3 id="Aluminium_radiators">Aluminium radiators</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=10" title="Edit section: Aluminium radiators"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Radiators can also be made from aluminium which is a very good conductor of heat and has better thermal conductivity compared to that of steel. Aluminium radiators tend to have a low water content so this combined with the excellent thermal conductivity qualities of the metal itself make aluminium radiators very responsive to changes in the temperature demand.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Fan-assisted_heat_exchanger">Fan-assisted heat exchanger</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=11" title="Edit section: Fan-assisted heat exchanger"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A fan-assisted convector contains a <a href="/wiki/Heat_exchanger" title="Heat exchanger">heat exchanger</a> fed by hot water from the heating system. A <a href="/wiki/Thermostat" title="Thermostat">thermostatic</a> switch energises an electric <a href="/wiki/Fan_(mechanical)" class="mw-redirect" title="Fan (mechanical)">fan</a> which blows air over the heat exchanger to circulate it in a room. Its advantages are small relative size and even distribution of heat. Disadvantages are fan noise and the need for both a source of heat and a separate electrical supply. </p> <div class="mw-heading mw-heading3"><h3 id="Underfloor">Underfloor</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=12" title="Edit section: Underfloor"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Underfloor_heating" title="Underfloor heating">Underfloor heating</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Constructingheatedfloor.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Constructingheatedfloor.jpg/220px-Constructingheatedfloor.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Constructingheatedfloor.jpg/330px-Constructingheatedfloor.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Constructingheatedfloor.jpg/440px-Constructingheatedfloor.jpg 2x" data-file-width="800" data-file-height="600" /></a><figcaption>In underfloor heating, tubing is placed on the floor throughout the room and later covered with a <a href="/wiki/Concrete" title="Concrete">concrete</a> layer during construction.</figcaption></figure> <p>Also known as "radiant heat", underfloor heating uses a network of pipes, tubing or heating cables, buried in or attached beneath a floor to allow heat to rise into the room. Best results are achieved with conductive flooring materials such as tile. The large surface area of such room-sized radiators allows them to be kept just a few degrees above desired room temperature, minimizing <a href="/wiki/Convection" title="Convection">convection</a>. Underfloor heating is more expensive in new construction than less efficient systems. It also is generally difficult to retrofit into existing buildings. </p><p>The Roman <a href="/wiki/Hypocaust" title="Hypocaust">hypocaust</a> employed a similar principle of operation. </p> <div class="mw-heading mw-heading3"><h3 id="Skirting-board_heating">Skirting-board heating</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=13" title="Edit section: Skirting-board heating"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Skirting-board radiators are a form of heater which involves placing radiators inside a skirting board. Hot water is piped though the system, usually taken directly from the central heating system.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Indoor_climate_impact">Indoor climate impact</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=14" title="Edit section: Indoor climate impact"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Radiators can lower indoor <a href="/wiki/Humidity" title="Humidity">humidity</a>, which may contribute to dry skin, lower physical comfort, and shrinkage of wood flooring (for example) as a result of warming the air. However, a <a href="/wiki/Humidifier" title="Humidifier">humidifier</a> can be used to increase the humidity.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=15" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Heated_towel_rail" class="mw-redirect" title="Heated towel rail">Heated towel rail</a></li> <li><a href="/wiki/Space_heater" title="Space heater">Space heater</a></li> <li><a href="/wiki/Bleed_screw" title="Bleed screw">Bleed screw</a></li> <li><a href="/wiki/Coolant" title="Coolant">Coolant</a></li> <li><a href="/wiki/Equivalence_of_direct_radiation" title="Equivalence of direct radiation">Equivalence of direct radiation</a></li> <li><a href="/wiki/Heater_core" title="Heater core">Heater core</a></li> <li><a href="/wiki/Hydronics" title="Hydronics">Hydronics</a></li> <li><a href="/wiki/Hydronic_balancing" title="Hydronic balancing">Hydronic balancing</a></li> <li><a href="/wiki/Radiator_cabinet" title="Radiator cabinet">Radiator cabinet</a></li> <li><a href="/wiki/Radiator_reflector" title="Radiator reflector">Radiator reflector</a></li> <li><a href="/wiki/Radiator_(engine_cooling)" title="Radiator (engine cooling)">Radiator (engine cooling)</a></li> <li><a href="/wiki/Thermostatic_radiator_valve" title="Thermostatic radiator valve">Thermostatic radiator valve</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=16" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Radiators" class="extiw" title="commons:Category:Radiators">Radiators</a></span>.</div></div> </div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFKay2016" class="citation web cs1">Kay, Thornton (14 March 2016). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20161223132401/http://www.salvonews.com/story/a-peculiar-kind-of-apparatus-which-i-call-a-radiator-x94116x9.html">"A peculiar kind of apparatus, which I call a radiator"</a>. SalvoNEWS. Archived from <a rel="nofollow" class="external text" href="http://www.salvonews.com/story/a-peculiar-kind-of-apparatus-which-i-call-a-radiator-x94116x9.html">the original</a> on 23 December 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">22 December</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=A+peculiar+kind+of+apparatus%2C+which+I+call+a+radiator&rft.pub=SalvoNEWS&rft.date=2016-03-14&rft.aulast=Kay&rft.aufirst=Thornton&rft_id=http%3A%2F%2Fwww.salvonews.com%2Fstory%2Fa-peculiar-kind-of-apparatus-which-i-call-a-radiator-x94116x9.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARadiator+%28heating%29" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.gruner-fam.de/SanGalli-E.html">Family Sangalli / San Galli</a></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJohnny_ActonTania_AdamsMatt_Packer2006" class="citation book cs1">Johnny Acton; Tania Adams; Matt Packer (2006). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/originofeveryday0000acto"><i>Origin of Everyday Things</i></a></span>. <a href="/wiki/Sterling_Publishing_Company,_Inc." class="mw-redirect" title="Sterling Publishing Company, Inc.">Sterling Publishing Company, Inc.</a> p. <a rel="nofollow" class="external text" href="https://archive.org/details/originofeveryday0000acto/page/205">205</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/1402743025" title="Special:BookSources/1402743025"><bdi>1402743025</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">February 4,</span> 2015</span>. <q>radiator 1855 invented.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Origin+of+Everyday+Things&rft.pages=205&rft.pub=Sterling+Publishing+Company%2C+Inc.&rft.date=2006&rft.isbn=1402743025&rft.au=Johnny+Acton&rft.au=Tania+Adams&rft.au=Matt+Packer&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Foriginofeveryday0000acto&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARadiator+%28heating%29" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSiegenthaler2023" class="citation book cs1">Siegenthaler, John (2023). <i>Modern hydronic heating & cooling : for residential and light commercial buildings</i> (3rd ed.). 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.navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Heating,_ventilation,_and_air_conditioning" style="vertical-align: middle;;padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:HVAC" title="Template:HVAC"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:HVAC" title="Template talk:HVAC"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:HVAC" title="Special:EditPage/Template:HVAC"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Heating,_ventilation,_and_air_conditioning" style="font-size:114%;margin:0 4em"><a href="/wiki/Heating,_ventilation,_and_air_conditioning" title="Heating, ventilation, and air conditioning">Heating, ventilation, and air conditioning</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Fundamental <br />concepts</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Air_changes_per_hour" title="Air changes per hour">Air changes per hour</a></li> <li><a href="/wiki/Bake-out" title="Bake-out">Bake-out</a></li> <li><a href="/wiki/Building_envelope" title="Building envelope">Building envelope</a></li> <li><a href="/wiki/Convection" title="Convection">Convection</a></li> <li><a href="/wiki/Dilution_(equation)" title="Dilution (equation)">Dilution</a></li> <li><a href="/wiki/Domestic_energy_consumption" title="Domestic energy consumption">Domestic energy consumption</a></li> <li><a href="/wiki/Enthalpy" title="Enthalpy">Enthalpy</a></li> <li><a href="/wiki/Fluid_dynamics" title="Fluid dynamics">Fluid dynamics</a></li> <li><a href="/wiki/Gas_compressor" class="mw-redirect" title="Gas compressor">Gas compressor</a></li> <li><a href="/wiki/Heat_pump_and_refrigeration_cycle" title="Heat pump and refrigeration cycle">Heat pump and refrigeration cycle</a></li> <li><a href="/wiki/Heat_transfer" title="Heat transfer">Heat transfer</a></li> <li><a href="/wiki/Humidity" title="Humidity">Humidity</a></li> <li><a href="/wiki/Infiltration_(HVAC)" title="Infiltration (HVAC)">Infiltration</a></li> <li><a href="/wiki/Latent_heat" title="Latent heat">Latent heat</a></li> <li><a href="/wiki/Noise_control" title="Noise control">Noise control</a></li> <li><a href="/wiki/Outgassing" title="Outgassing">Outgassing</a></li> <li><a href="/wiki/Particulates" title="Particulates">Particulates</a></li> <li><a href="/wiki/Psychrometrics" title="Psychrometrics">Psychrometrics</a></li> <li><a href="/wiki/Sensible_heat" title="Sensible heat">Sensible heat</a></li> <li><a href="/wiki/Stack_effect" title="Stack effect">Stack effect</a></li> <li><a href="/wiki/Thermal_comfort" title="Thermal comfort">Thermal comfort</a></li> <li><a href="/wiki/Thermal_destratification" title="Thermal destratification">Thermal destratification</a></li> <li><a href="/wiki/Thermal_mass" title="Thermal mass">Thermal mass</a></li> <li><a href="/wiki/Thermodynamics" title="Thermodynamics">Thermodynamics</a></li> <li><a href="/wiki/Vapour_pressure_of_water" title="Vapour pressure of water">Vapour pressure of water</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Technology</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Absorption-compression_heat_pump" title="Absorption-compression heat pump">Absorption-compression heat pump</a></li> <li><a href="/wiki/Absorption_refrigerator" title="Absorption refrigerator">Absorption refrigerator</a></li> <li><a href="/wiki/Air_barrier" title="Air barrier">Air barrier</a></li> <li><a href="/wiki/Air_conditioning" title="Air conditioning">Air conditioning</a></li> <li><a href="/wiki/Antifreeze" title="Antifreeze">Antifreeze</a></li> <li><a href="/wiki/Automobile_air_conditioning" class="mw-redirect" title="Automobile air conditioning">Automobile air conditioning</a></li> <li><a href="/wiki/Autonomous_building" title="Autonomous building">Autonomous building</a></li> <li><a href="/wiki/Building_insulation_material" title="Building insulation material">Building insulation materials</a></li> <li><a href="/wiki/Central_heating" title="Central heating">Central heating</a></li> <li><a href="/wiki/Central_solar_heating" title="Central solar heating">Central solar heating</a></li> <li><a href="/wiki/Chilled_beam" title="Chilled beam">Chilled beam</a></li> <li><a href="/wiki/Chilled_water" title="Chilled water">Chilled water</a></li> <li><a href="/wiki/Constant_air_volume" title="Constant air volume">Constant air volume</a> (CAV)</li> <li><a href="/wiki/Coolant" title="Coolant">Coolant</a></li> <li><a href="/wiki/Cross_ventilation" title="Cross ventilation">Cross ventilation</a></li> <li><a href="/wiki/Dedicated_outdoor_air_system" title="Dedicated outdoor air system">Dedicated outdoor air system</a> (DOAS)</li> <li><a href="/wiki/Deep_water_source_cooling" title="Deep water source cooling">Deep water source cooling</a></li> <li><a href="/wiki/Demand_controlled_ventilation" title="Demand controlled ventilation">Demand controlled ventilation</a> (DCV)</li> <li><a href="/wiki/Displacement_ventilation" title="Displacement ventilation">Displacement ventilation</a></li> <li><a href="/wiki/District_cooling" title="District cooling">District cooling</a></li> <li><a href="/wiki/District_heating" title="District heating">District heating</a></li> <li><a href="/wiki/Electric_heating" title="Electric heating">Electric heating</a></li> <li><a href="/wiki/Energy_recovery_ventilation" class="mw-redirect" title="Energy recovery ventilation">Energy recovery ventilation</a> (ERV)</li> <li><a href="/wiki/Firestop" title="Firestop">Firestop</a></li> <li><a href="/wiki/Forced-air" title="Forced-air">Forced-air</a></li> <li><a href="/wiki/Forced-air_gas" title="Forced-air gas">Forced-air gas</a></li> <li><a href="/wiki/Free_cooling" title="Free cooling">Free cooling</a></li> <li><a href="/wiki/Heat_recovery_ventilation" title="Heat recovery ventilation">Heat recovery ventilation</a> (HRV)</li> <li><a href="/wiki/Hybrid_heat" title="Hybrid heat">Hybrid heat</a></li> <li><a href="/wiki/Hydronics" title="Hydronics">Hydronics</a></li> <li><a href="/wiki/Ice_storage_air_conditioning" title="Ice storage air conditioning">Ice storage air conditioning</a></li> <li><a href="/wiki/Kitchen_ventilation" title="Kitchen ventilation">Kitchen ventilation</a></li> <li><a href="/wiki/Mixed-mode_ventilation" title="Mixed-mode ventilation">Mixed-mode ventilation</a></li> <li><a href="/wiki/Microgeneration" title="Microgeneration">Microgeneration</a></li> <li><a href="/wiki/Passive_cooling" title="Passive cooling">Passive cooling</a></li> <li><a href="/wiki/Passive_daytime_radiative_cooling" title="Passive daytime radiative cooling">Passive daytime radiative cooling</a></li> <li><a href="/wiki/Passive_house" title="Passive house">Passive house</a></li> <li><a href="/wiki/Passive_ventilation" title="Passive ventilation">Passive ventilation</a></li> <li><a href="/wiki/Radiant_heating_and_cooling" title="Radiant heating and cooling">Radiant heating and cooling</a></li> <li><a href="/wiki/Radiant_cooling" class="mw-redirect" title="Radiant cooling">Radiant cooling</a></li> <li><a href="/wiki/Radiant_heating" class="mw-redirect" title="Radiant heating">Radiant heating</a></li> <li><a href="/wiki/Radon_mitigation" title="Radon mitigation">Radon mitigation</a></li> <li><a href="/wiki/Refrigeration" title="Refrigeration">Refrigeration</a></li> <li><a href="/wiki/Renewable_heat" title="Renewable heat">Renewable heat</a></li> <li><a href="/wiki/Room_air_distribution" title="Room air distribution">Room air distribution</a></li> <li><a href="/wiki/Solar_air_heat" title="Solar air heat">Solar air heat</a></li> <li><a href="/wiki/Solar_combisystem" title="Solar combisystem">Solar combisystem</a></li> <li><a href="/wiki/Solar_cooling" class="mw-redirect" title="Solar cooling">Solar cooling</a></li> <li><a href="/wiki/Solar_heating" class="mw-redirect" title="Solar heating">Solar heating</a></li> <li><a href="/wiki/Thermal_insulation" title="Thermal insulation">Thermal insulation</a></li> <li><a href="/wiki/Thermosiphon" title="Thermosiphon">Thermosiphon</a></li> <li><a href="/wiki/Underfloor_air_distribution" title="Underfloor air distribution">Underfloor air distribution</a></li> <li><a href="/wiki/Underfloor_heating" title="Underfloor heating">Underfloor heating</a></li> <li><a href="/wiki/Vapor_barrier" title="Vapor barrier">Vapor barrier</a></li> <li><a href="/wiki/Vapor-compression_refrigeration" title="Vapor-compression refrigeration">Vapor-compression refrigeration</a> (VCRS)</li> <li><a href="/wiki/Variable_air_volume" title="Variable air volume">Variable air volume</a> (VAV)</li> <li><a href="/wiki/Variable_refrigerant_flow" title="Variable refrigerant flow">Variable refrigerant flow</a> (VRF)</li> <li><a href="/wiki/Ventilation_(architecture)" title="Ventilation (architecture)">Ventilation</a></li> <li><a href="/wiki/Water_heat_recycling" title="Water heat recycling">Water heat recycling</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Components</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Air_conditioner_inverter" class="mw-redirect" title="Air conditioner inverter">Air conditioner inverter</a></li> <li><a href="/wiki/Air_door" title="Air door">Air door</a></li> <li><a href="/wiki/Air_filter" title="Air filter">Air filter</a></li> <li><a href="/wiki/Air_handler" title="Air handler">Air handler</a></li> <li><a href="/wiki/Air_ioniser" title="Air ioniser">Air ionizer</a></li> <li><a href="/wiki/Air-mixing_plenum" title="Air-mixing plenum">Air-mixing plenum</a></li> <li><a href="/wiki/Air_purifier" title="Air purifier">Air purifier</a></li> <li><a href="/wiki/Air_source_heat_pump" title="Air source heat pump">Air source heat pump</a></li> <li><a href="/wiki/Attic_fan" title="Attic fan">Attic fan</a></li> <li><a href="/wiki/Automatic_balancing_valve" title="Automatic balancing valve">Automatic balancing valve</a></li> <li><a href="/wiki/Back_boiler" title="Back boiler">Back boiler</a></li> <li><a href="/wiki/Barrier_pipe" title="Barrier pipe">Barrier pipe</a></li> <li><a href="/wiki/Blast_damper" title="Blast damper">Blast damper</a></li> <li><a href="/wiki/Boiler" title="Boiler">Boiler</a></li> <li><a href="/wiki/Centrifugal_fan" title="Centrifugal fan">Centrifugal fan</a></li> <li><a href="/wiki/Ceramic_heater" title="Ceramic heater">Ceramic heater</a></li> <li><a href="/wiki/Chiller" title="Chiller">Chiller</a></li> <li><a href="/wiki/Condensate_pump" title="Condensate pump">Condensate pump</a></li> <li><a href="/wiki/Condenser_(heat_transfer)" title="Condenser (heat transfer)">Condenser</a></li> <li><a href="/wiki/Condensing_boiler" title="Condensing boiler">Condensing boiler</a></li> <li><a href="/wiki/Convection_heater" title="Convection heater">Convection heater</a></li> <li><a href="/wiki/Compressor" title="Compressor">Compressor</a></li> <li><a href="/wiki/Cooling_tower" title="Cooling tower">Cooling tower</a></li> <li><a href="/wiki/Damper_(flow)" title="Damper (flow)">Damper</a></li> <li><a href="/wiki/Dehumidifier" title="Dehumidifier">Dehumidifier</a></li> <li><a href="/wiki/Duct_(flow)" title="Duct (flow)">Duct</a></li> <li><a href="/wiki/Economizer" title="Economizer">Economizer</a></li> <li><a href="/wiki/Electrostatic_precipitator" title="Electrostatic precipitator">Electrostatic precipitator</a></li> <li><a href="/wiki/Evaporative_cooler" title="Evaporative cooler">Evaporative cooler</a></li> <li><a href="/wiki/Evaporator" title="Evaporator">Evaporator</a></li> <li><a href="/wiki/Exhaust_hood" class="mw-redirect" title="Exhaust hood">Exhaust hood</a></li> <li><a href="/wiki/Expansion_tank" title="Expansion tank">Expansion tank</a></li> <li><a href="/wiki/Fan_(machine)" title="Fan (machine)">Fan</a></li> <li><a href="/wiki/Fan_coil_unit" title="Fan coil unit">Fan coil unit</a></li> <li><a href="/wiki/Fan_filter_unit" title="Fan filter unit">Fan filter unit</a></li> <li><a href="/wiki/Fan_heater" title="Fan heater">Fan heater</a></li> <li><a href="/wiki/Fire_damper" title="Fire damper">Fire damper</a></li> <li><a href="/wiki/Fireplace" title="Fireplace">Fireplace</a></li> <li><a href="/wiki/Fireplace_insert" title="Fireplace insert">Fireplace insert</a></li> <li><a href="/wiki/Freeze_stat" title="Freeze stat">Freeze stat</a></li> <li><a href="/wiki/Flue" title="Flue">Flue</a></li> <li><a href="/wiki/Freon" title="Freon">Freon</a></li> <li><a href="/wiki/Fume_hood" title="Fume hood">Fume hood</a></li> <li><a href="/wiki/Furnace_(house_heating)" class="mw-redirect" title="Furnace (house heating)">Furnace</a></li> <li><a href="/wiki/Gas_compressor" class="mw-redirect" title="Gas compressor">Gas compressor</a></li> <li><a href="/wiki/Gas_heater" title="Gas heater">Gas heater</a></li> <li><a href="/wiki/Gasoline_heater" title="Gasoline heater">Gasoline heater</a></li> <li><a href="/wiki/Grease_duct" title="Grease duct">Grease duct</a></li> <li><a href="/wiki/Grille_(architecture)" title="Grille (architecture)">Grille</a></li> <li><a href="/wiki/Ground-coupled_heat_exchanger" title="Ground-coupled heat exchanger">Ground-coupled heat exchanger</a></li> <li><a href="/wiki/Ground_source_heat_pump" title="Ground source heat pump">Ground source heat pump</a></li> <li><a href="/wiki/Heat_exchanger" title="Heat exchanger">Heat exchanger</a></li> <li><a href="/wiki/Heat_pipe" title="Heat pipe">Heat pipe</a></li> <li><a href="/wiki/Heat_pump" title="Heat pump">Heat pump</a></li> <li><a href="/wiki/Heating_film" title="Heating film">Heating film</a></li> <li><a href="/wiki/Heating_system" title="Heating system">Heating system</a></li> <li><a href="/wiki/HEPA" title="HEPA">HEPA</a></li> <li><a href="/wiki/High_efficiency_glandless_circulating_pump" title="High efficiency glandless circulating pump">High efficiency glandless circulating pump</a></li> <li><a href="/wiki/High-pressure_cut-off_switch" class="mw-redirect" title="High-pressure cut-off switch">High-pressure cut-off switch</a></li> <li><a href="/wiki/Humidifier" title="Humidifier">Humidifier</a></li> <li><a href="/wiki/Infrared_heater" title="Infrared heater">Infrared heater</a></li> <li><a href="/wiki/Inverter_compressor" title="Inverter compressor">Inverter compressor</a></li> <li><a href="/wiki/Kerosene_heater" title="Kerosene heater">Kerosene heater</a></li> <li><a href="/wiki/Louver" title="Louver">Louver</a></li> <li><a href="/wiki/Mechanical_room" title="Mechanical room">Mechanical room</a></li> <li><a href="/wiki/Oil_heater" title="Oil heater">Oil heater</a></li> <li><a href="/wiki/Packaged_terminal_air_conditioner" title="Packaged terminal air conditioner">Packaged terminal air conditioner</a></li> <li><a href="/wiki/Plenum_space" title="Plenum space">Plenum space</a></li> <li><a href="/wiki/Pressurisation_ductwork" title="Pressurisation ductwork">Pressurisation ductwork</a></li> <li><a href="/wiki/Process_duct_work" title="Process duct work">Process duct work</a></li> <li><a class="mw-selflink selflink">Radiator</a></li> <li><a href="/wiki/Radiator_reflector" title="Radiator reflector">Radiator reflector</a></li> <li><a href="/wiki/Recuperator" title="Recuperator">Recuperator</a></li> <li><a href="/wiki/Refrigerant" title="Refrigerant">Refrigerant</a></li> <li><a href="/wiki/Register_(air_and_heating)" title="Register (air and heating)">Register</a></li> <li><a href="/wiki/Reversing_valve" title="Reversing valve">Reversing valve</a></li> <li><a href="/wiki/Run-around_coil" title="Run-around coil">Run-around coil</a></li> <li><a href="/wiki/Sail_switch" title="Sail switch">Sail switch</a></li> <li><a href="/wiki/Scroll_compressor" title="Scroll compressor">Scroll compressor</a></li> <li><a href="/wiki/Solar_chimney" title="Solar chimney">Solar chimney</a></li> <li><a href="/wiki/Solar-assisted_heat_pump" title="Solar-assisted heat pump">Solar-assisted heat pump</a></li> <li><a href="/wiki/Space_heater" title="Space heater">Space heater</a></li> <li><a href="/wiki/Smoke_canopy" title="Smoke canopy">Smoke canopy</a></li> <li><a href="/wiki/Smoke_damper" title="Smoke damper">Smoke damper</a></li> <li><a href="/wiki/Smoke_exhaust_ductwork" title="Smoke exhaust ductwork">Smoke exhaust ductwork</a></li> <li><a href="/wiki/Thermal_expansion_valve" title="Thermal expansion valve">Thermal expansion valve</a></li> <li><a href="/wiki/Thermal_wheel" title="Thermal wheel">Thermal wheel</a></li> <li><a href="/wiki/Thermostatic_radiator_valve" title="Thermostatic radiator valve">Thermostatic radiator valve</a></li> <li><a href="/wiki/Trickle_vent" title="Trickle vent">Trickle vent</a></li> <li><a href="/wiki/Trombe_wall" title="Trombe wall">Trombe wall</a></li> <li><a href="/wiki/TurboSwing" title="TurboSwing">TurboSwing</a></li> <li><a href="/wiki/Turning_vanes_(HVAC)" title="Turning vanes (HVAC)">Turning vanes</a></li> <li><a href="/wiki/Ultra-low_particulate_air" title="Ultra-low particulate air">Ultra-low particulate air</a> (ULPA)</li> <li><a href="/wiki/Whole-house_fan" title="Whole-house fan">Whole-house fan</a></li> <li><a href="/wiki/Windcatcher" title="Windcatcher">Windcatcher</a></li> <li><a href="/wiki/Wood-burning_stove" title="Wood-burning stove">Wood-burning stove</a></li> <li><a href="/wiki/Zone_valve" title="Zone valve">Zone valve</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Measurement<br />and control</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Air_flow_meter" title="Air flow meter">Air flow meter</a></li> <li><a href="/wiki/Aquastat" title="Aquastat">Aquastat</a></li> <li><a href="/wiki/BACnet" title="BACnet">BACnet</a></li> <li><a href="/wiki/Blower_door" title="Blower door">Blower door</a></li> <li><a href="/wiki/Building_automation" title="Building automation">Building automation</a></li> <li><a href="/wiki/Carbon_dioxide_sensor" title="Carbon dioxide sensor">Carbon dioxide sensor</a></li> <li><a href="/wiki/Clean_air_delivery_rate" title="Clean air delivery rate">Clean air delivery rate</a> (CADR)</li> <li><a href="/wiki/Control_valve" title="Control valve">Control valve</a></li> <li><a href="/wiki/Gas_detector" title="Gas detector">Gas detector</a></li> <li><a href="/wiki/Home_energy_monitor" title="Home energy monitor">Home energy monitor</a></li> <li><a href="/wiki/Humidistat" title="Humidistat">Humidistat</a></li> <li><a href="/wiki/HVAC_control_system" title="HVAC control system">HVAC control system</a></li> <li><a href="/wiki/Infrared_thermometer" title="Infrared thermometer">Infrared thermometer</a></li> <li><a href="/wiki/Intelligent_buildings" class="mw-redirect" title="Intelligent buildings">Intelligent buildings</a></li> <li><a href="/wiki/LonWorks" title="LonWorks">LonWorks</a></li> <li><a href="/wiki/Minimum_efficiency_reporting_value" title="Minimum efficiency reporting value">Minimum efficiency reporting value</a> (MERV)</li> <li><a href="/wiki/Normal_temperature_and_pressure" class="mw-redirect" title="Normal temperature and pressure">Normal temperature and pressure</a> (NTP)</li> <li><a href="/wiki/OpenTherm" title="OpenTherm">OpenTherm</a></li> <li><a href="/wiki/Programmable_communicating_thermostat" title="Programmable communicating thermostat">Programmable communicating thermostat</a></li> <li><a href="/wiki/Programmable_thermostat" title="Programmable thermostat">Programmable thermostat</a></li> <li><a href="/wiki/Psychrometrics" title="Psychrometrics">Psychrometrics</a></li> <li><a href="/wiki/Room_temperature" title="Room temperature">Room temperature</a></li> <li><a href="/wiki/Smart_thermostat" title="Smart thermostat">Smart thermostat</a></li> <li><a href="/wiki/Standard_temperature_and_pressure" title="Standard temperature and pressure">Standard temperature and pressure</a> (STP)</li> <li><a href="/wiki/Thermographic_camera" class="mw-redirect" title="Thermographic camera">Thermographic camera</a></li> <li><a href="/wiki/Thermostat" title="Thermostat">Thermostat</a></li> <li><a href="/wiki/Thermostatic_radiator_valve" title="Thermostatic radiator valve">Thermostatic radiator valve</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Professions,<br />trades,<br />and services</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Architectural_acoustics" title="Architectural acoustics">Architectural acoustics</a></li> <li><a href="/wiki/Architectural_engineering" title="Architectural engineering">Architectural engineering</a></li> <li><a href="/wiki/Architectural_technologist" title="Architectural technologist">Architectural technologist</a></li> <li><a href="/wiki/Building_services_engineering" title="Building services engineering">Building services engineering</a></li> <li><a href="/wiki/Building_information_modeling" title="Building information modeling">Building information modeling</a> (BIM)</li> <li><a href="/wiki/Deep_energy_retrofit" title="Deep energy retrofit">Deep energy retrofit</a></li> <li><a href="/wiki/Duct_cleaning" class="mw-redirect" title="Duct cleaning">Duct cleaning</a></li> <li><a href="/wiki/Duct_leakage_testing" title="Duct leakage testing">Duct leakage testing</a></li> <li><a href="/wiki/Environmental_engineering" title="Environmental engineering">Environmental engineering</a></li> <li><a href="/wiki/Hydronic_balancing" title="Hydronic balancing">Hydronic balancing</a></li> <li><a href="/wiki/Kitchen_exhaust_cleaning" title="Kitchen exhaust cleaning">Kitchen exhaust cleaning</a></li> <li><a href="/wiki/Mechanical_engineering" title="Mechanical engineering">Mechanical engineering</a></li> <li><a href="/wiki/Mechanical,_electrical,_and_plumbing" title="Mechanical, electrical, and plumbing">Mechanical, electrical, and plumbing</a></li> <li><a href="/wiki/Mold_growth,_assessment,_and_remediation" class="mw-redirect" title="Mold growth, assessment, and remediation">Mold growth, assessment, and remediation</a></li> <li><a href="/wiki/Refrigerant_reclamation" title="Refrigerant reclamation">Refrigerant reclamation</a></li> <li><a href="/wiki/Testing,_adjusting,_balancing" title="Testing, adjusting, balancing">Testing, adjusting, balancing</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Industry <br />organizations</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Air_Conditioning,_Heating_and_Refrigeration_Institute" title="Air Conditioning, Heating and Refrigeration Institute">AHRI</a></li> <li><a href="/wiki/Air_Movement_and_Control_Association" title="Air Movement and Control Association">AMCA</a></li> <li><a href="/wiki/ASHRAE" title="ASHRAE">ASHRAE</a></li> <li><a href="/wiki/ASTM_International" title="ASTM International">ASTM International</a></li> <li><a href="/wiki/Building_Research_Establishment" title="Building Research Establishment">BRE</a></li> <li><a href="/wiki/BSRIA" title="BSRIA">BSRIA</a></li> <li><a href="/wiki/Chartered_Institution_of_Building_Services_Engineers" title="Chartered Institution of Building Services Engineers">CIBSE</a></li> <li><a href="/wiki/Institute_of_Refrigeration" title="Institute of Refrigeration">Institute of Refrigeration</a></li> <li><a href="/wiki/International_Institute_of_Refrigeration" title="International Institute of Refrigeration">IIR</a></li> <li><a href="/wiki/Leadership_in_Energy_and_Environmental_Design" class="mw-redirect" title="Leadership in Energy and Environmental Design">LEED</a></li> <li><a href="/wiki/Sheet_Metal_and_Air_Conditioning_Contractors%27_National_Association" title="Sheet Metal and Air Conditioning Contractors' National Association">SMACNA</a></li> <li><a href="/wiki/Uniform_Mechanical_Code" title="Uniform Mechanical Code">UMC</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Health and safety</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Indoor_air_quality" title="Indoor air quality">Indoor air quality</a> (IAQ)</li> <li><a href="/wiki/Passive_smoking" title="Passive smoking">Passive smoking</a></li> <li><a href="/wiki/Sick_building_syndrome" title="Sick building syndrome">Sick building syndrome</a> (SBS)</li> <li><a href="/wiki/Volatile_organic_compound" title="Volatile organic compound">Volatile organic compound</a> (VOC)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">See also</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ASHRAE_Handbook" title="ASHRAE Handbook">ASHRAE Handbook</a></li> <li><a href="/wiki/Building_science" title="Building science">Building science</a></li> <li><a href="/wiki/Fireproofing" title="Fireproofing">Fireproofing</a></li> <li><a href="/wiki/Glossary_of_HVAC_terms" title="Glossary of HVAC terms">Glossary of HVAC terms</a></li> <li><a href="/wiki/Warm_Spaces" title="Warm Spaces">Warm Spaces</a></li> <li><a href="/wiki/World_Refrigeration_Day" title="World Refrigeration Day">World Refrigeration Day</a></li> <li><a href="/wiki/Template:Home_automation" title="Template:Home automation">Template:Home automation</a></li> <li><a href="/wiki/Template:Solar_energy" title="Template:Solar energy">Template:Solar energy</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Plumbing" style="vertical-align: middle;;padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Plumbing" title="Template:Plumbing"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Plumbing" title="Template talk:Plumbing"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Plumbing" title="Special:EditPage/Template:Plumbing"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Plumbing" style="font-size:114%;margin:0 4em"><a href="/wiki/Plumbing" title="Plumbing">Plumbing</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Fundamental<br />concepts</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Air_gap_(plumbing)" title="Air gap (plumbing)">Air gap (plumbing)</a></li> <li><a href="/wiki/Backflow" title="Backflow">Backflow</a></li> <li><a href="/wiki/Compatibility_(chemical)" title="Compatibility (chemical)">Compatibility (chemical)</a></li> <li><a href="/wiki/Corrosion" title="Corrosion">Corrosion</a></li> <li><a href="/wiki/Drain_(plumbing)" title="Drain (plumbing)">Drain (plumbing)</a></li> <li><a href="/wiki/Drinking_water" title="Drinking water">Drinking water</a></li> <li><a href="/wiki/Fuel_gas" title="Fuel gas">Fuel gas</a></li> <li><a href="/wiki/Friction_loss" title="Friction loss">Friction loss</a></li> <li><a href="/wiki/Grade_(slope)" title="Grade (slope)">Grade (slope)</a></li> <li><a href="/wiki/Greywater" title="Greywater">Greywater</a></li> <li><a href="/wiki/Heat_trap" title="Heat trap">Heat trap</a></li> <li><a href="/wiki/Hydrostatic_loop" title="Hydrostatic loop">Hydrostatic loop</a></li> <li><a href="/wiki/Leak" title="Leak">Leak</a></li> <li><a href="/wiki/Neutral_axis" title="Neutral axis">Neutral axis</a></li> <li><a href="/wiki/Onsite_sewage_facility" title="Onsite sewage facility">Onsite sewage facility</a></li> <li><a href="/wiki/Pressure" title="Pressure">Pressure</a></li> <li><a href="/wiki/Sanitary_sewer" title="Sanitary sewer">Sanitary sewer</a></li> <li><a href="/wiki/Sewer_gas" title="Sewer gas">Sewer gas</a></li> <li><a href="/wiki/Sewage" title="Sewage">Sewage</a></li> <li><a href="/wiki/Sewerage" title="Sewerage">Sewerage</a></li> <li><a href="/wiki/Siphon" title="Siphon">Siphon</a></li> <li><a href="/wiki/Storm_sewer" class="mw-redirect" title="Storm sewer">Storm sewer</a></li> <li><a href="/wiki/Stormwater" title="Stormwater">Stormwater</a></li> <li><a href="/wiki/Surface_tension" title="Surface tension">Surface tension</a></li> <li><a href="/wiki/Tap_water" title="Tap water">Tap water</a></li> <li><a href="/wiki/Thermal_expansion" title="Thermal expansion">Thermal expansion</a></li> <li><a href="/wiki/Thermal_insulation" title="Thermal insulation">Thermal insulation</a></li> <li><a href="/wiki/Thermosiphon" title="Thermosiphon">Thermosiphon</a></li> <li><a href="/wiki/Trap_(plumbing)" title="Trap (plumbing)">Trap (plumbing)</a></li> <li><a href="/wiki/Venturi_effect" title="Venturi effect">Venturi effect</a></li> <li><a href="/wiki/Wastewater" title="Wastewater">Wastewater</a></li> <li><a href="/wiki/Water_hammer" title="Water hammer">Water hammer</a></li> <li><a href="/wiki/Water_supply_network" title="Water supply network">Water supply network</a></li> <li><a href="/wiki/Water_table" title="Water table">Water table</a></li> <li><a href="/wiki/Well" title="Well">Well</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Technology</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Brazing" title="Brazing">Brazing</a></li> <li><a href="/wiki/British_Standard_Pipe" title="British Standard Pipe">British Standard Pipe</a> (BSP)</li> <li><a href="/wiki/Cast_iron_pipe" title="Cast iron pipe">Cast iron pipe</a></li> <li><a href="/wiki/Chemical_drain_cleaners" title="Chemical drain cleaners">Chemical drain cleaners</a></li> <li><a href="/wiki/Compression_fitting" title="Compression fitting">Compression fitting</a></li> <li><a href="/wiki/Copper_tubing" title="Copper tubing">Copper tubing</a></li> <li><a href="/wiki/Crimp_(joining)" title="Crimp (joining)">Crimp (joining)</a></li> <li><a href="/wiki/Drain-waste-vent_system" title="Drain-waste-vent system">Drain-waste-vent system</a></li> <li><a href="/wiki/Ductile_iron_pipe" title="Ductile iron pipe">Ductile iron pipe</a></li> <li><a href="/wiki/Flare_fitting" title="Flare fitting">Flare fitting</a></li> <li><a href="/wiki/Garden_hose_thread" class="mw-redirect" title="Garden hose thread">Garden Hose Thread</a> (GHT)</li> <li><a href="/wiki/Gasket" title="Gasket">Gasket</a></li> <li><a href="/wiki/Hydronics" title="Hydronics">Hydronics</a></li> <li><a href="/wiki/Leak_detection" title="Leak detection">Leak detection</a></li> <li><a href="/wiki/National_Pipe_Thread" class="mw-redirect" title="National Pipe Thread">National Pipe Thread</a> (NPT)</li> <li><a href="/wiki/Nominal_Pipe_Size" title="Nominal Pipe Size">Nominal Pipe Size</a> (NPS)</li> <li><a href="/wiki/O-ring" title="O-ring">O-ring</a></li> <li><a href="/wiki/Oakum" title="Oakum">Oakum</a></li> <li><a href="/wiki/Pipe_(fluid_conveyance)" title="Pipe (fluid conveyance)">Pipe (fluid conveyance)</a></li> <li><a href="/wiki/Pipe_dope" title="Pipe dope">Pipe dope</a></li> <li><a href="/wiki/Pipe_support" title="Pipe support">Pipe support</a></li> <li><a href="/wiki/Plastic_pipework" title="Plastic pipework">Plastic pipework</a></li> <li><a href="/wiki/Push-to-pull_compression_fittings" title="Push-to-pull compression fittings">Push-to-pull compression fittings</a></li> <li><a href="/wiki/Putty" title="Putty">Putty</a></li> <li><a href="/wiki/Sealant" title="Sealant">Sealant</a></li> <li><a href="/wiki/Sewage_pumping" title="Sewage pumping">Sewage pumping</a></li> <li><a href="/wiki/Soldering" title="Soldering">Soldering</a></li> <li><a href="/wiki/Solvent_welding" class="mw-redirect" title="Solvent welding">Solvent welding</a></li> <li><a href="/wiki/Swaging" title="Swaging">Swaging</a></li> <li><a href="/wiki/Thread_seal_tape" title="Thread seal tape">Thread seal tape</a></li> <li><a href="/wiki/Threaded_pipe" title="Threaded pipe">Threaded pipe</a></li> <li><a href="/wiki/Tube_bending" title="Tube bending">Tube bending</a></li> <li><a href="/wiki/Water_heat_recycling" title="Water heat recycling">Water heat recycling</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Components</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Atmospheric_vacuum_breaker" title="Atmospheric vacuum breaker">Atmospheric vacuum breaker</a></li> <li><a href="/wiki/Automatic_bleeding_valve" title="Automatic bleeding valve">Automatic bleeding valve</a></li> <li><a href="/wiki/Automatic_faucet" title="Automatic faucet">Automatic faucet</a></li> <li><a href="/wiki/Backflow_prevention_device" title="Backflow prevention device">Backflow prevention device</a></li> <li><a href="/wiki/Ball_valve" title="Ball valve">Ball valve</a></li> <li><a href="/wiki/Bleed_screw" title="Bleed screw">Bleed screw</a></li> <li><a href="/wiki/Booster_pump" title="Booster pump">Booster pump</a></li> <li><a href="/wiki/Butterfly_valve" title="Butterfly valve">Butterfly valve</a></li> <li><a href="/wiki/Check_valve" title="Check valve">Check valve</a></li> <li><a href="/wiki/Chemigation_valve" title="Chemigation valve">Chemigation valve</a></li> <li><a href="/wiki/Chopper_pump" class="mw-redirect" title="Chopper pump">Chopper pump</a></li> <li><a href="/wiki/Circulator_pump" title="Circulator pump">Circulator pump</a></li> <li><a href="/wiki/Cistern" title="Cistern">Cistern</a></li> <li><a href="/wiki/Closet_flange" title="Closet flange">Closet flange</a></li> <li><a href="/wiki/Concentric_reducer" title="Concentric reducer">Concentric reducer</a></li> <li><a href="/wiki/Condensate_pump" title="Condensate pump">Condensate pump</a></li> <li><a href="/wiki/Coupling_(piping)" title="Coupling (piping)">Coupling (piping)</a></li> <li><a href="/wiki/Diaphragm_valve" title="Diaphragm valve">Diaphragm valve</a></li> <li><a href="/wiki/Dielectric_union" class="mw-redirect" title="Dielectric union">Dielectric union</a></li> <li><a href="/wiki/Double_check_valve" title="Double check valve">Double check valve</a></li> <li><a href="/wiki/Eccentric_reducer" title="Eccentric reducer">Eccentric reducer</a></li> <li><a href="/wiki/Expansion_tank" title="Expansion tank">Expansion tank</a></li> <li><a href="/wiki/Faucet_aerator" title="Faucet aerator">Faucet aerator</a></li> <li><a href="/wiki/Float_switch" title="Float switch">Float switch</a></li> <li><a href="/wiki/Float_valve" class="mw-redirect" title="Float valve">Float valve</a></li> <li><a href="/wiki/Floor_drain" title="Floor drain">Floor drain</a></li> <li><a href="/wiki/Flow_limiter" title="Flow limiter">Flow limiter</a></li> <li><a href="/wiki/Flushing_trough" title="Flushing trough">Flushing trough</a></li> <li><a href="/wiki/Flushometer" title="Flushometer">Flushometer</a></li> <li><a href="/wiki/Gate_valve" title="Gate valve">Gate valve</a></li> <li><a href="/wiki/Globe_valve" title="Globe valve">Globe valve</a></li> <li><a href="/wiki/Grease_trap" title="Grease trap">Grease trap</a></li> <li><a href="/wiki/Grinder_pump" title="Grinder pump">Grinder pump</a></li> <li><a href="/wiki/Hose_coupling" title="Hose coupling">Hose coupling</a></li> <li><a href="/wiki/Manifold_(fluid_mechanics)" title="Manifold (fluid mechanics)">Manifold</a></li> <li><a href="/wiki/Needle_valve" title="Needle valve">Needle valve</a></li> <li><a href="/wiki/Nipple_(plumbing)" title="Nipple (plumbing)">Nipple (plumbing)</a></li> <li><a href="/wiki/Pinch_valve" title="Pinch valve">Pinch valve</a></li> <li><a href="/wiki/Piping_and_plumbing_fitting" title="Piping and plumbing fitting">Piping and plumbing fitting</a></li> <li><a href="/wiki/Plug_(sanitation)" title="Plug (sanitation)">Plug (sanitation)</a></li> <li><a href="/wiki/Pressure_regulator" title="Pressure regulator">Pressure regulator</a></li> <li><a href="/wiki/Pressure_vacuum_breaker" title="Pressure vacuum breaker">Pressure vacuum breaker</a></li> <li><a href="/wiki/Pressure-balanced_valve" title="Pressure-balanced valve">Pressure-balanced valve</a></li> <li><a href="/wiki/Pump" title="Pump">Pump</a></li> <li><a class="mw-selflink selflink">Radiator (heating)</a></li> <li><a href="/wiki/Reduced_pressure_zone_device" title="Reduced pressure zone device">Reduced pressure zone device</a></li> <li><a href="/wiki/Reducer" class="mw-redirect" title="Reducer">Reducer</a></li> <li><a href="/wiki/Relief_valve" title="Relief valve">Relief valve</a></li> <li><a href="/wiki/Riser_clamp" title="Riser clamp">Riser clamp</a></li> <li><a href="/wiki/Rooftop_water_tower" title="Rooftop water tower">Rooftop water tower</a></li> <li><a href="/wiki/Safety_valve" title="Safety valve">Safety valve</a></li> <li><a href="/wiki/Sewage_pump" class="mw-redirect" title="Sewage pump">Sewage pump</a></li> <li><a href="/wiki/Street_elbow" title="Street elbow">Street elbow</a></li> <li><a href="/wiki/Submersible_pump" title="Submersible pump">Submersible pump</a></li> <li><a href="/wiki/Tap_(valve)" title="Tap (valve)">Tap (valve)</a></li> <li><a href="/wiki/Thermostatic_mixing_valve" title="Thermostatic mixing valve">Thermostatic mixing valve</a></li> <li><a href="/wiki/Trench_drain" title="Trench drain">Trench drain</a></li> <li><a href="/wiki/Vacuum_breaker" title="Vacuum breaker">Vacuum breaker</a></li> <li><a href="/wiki/Vacuum_ejector" title="Vacuum ejector">Vacuum ejector</a></li> <li><a href="/wiki/Valve" title="Valve">Valve</a></li> <li><a href="/wiki/Water_tank" title="Water tank">Water tank</a></li> <li><a href="/wiki/Zone_valve" title="Zone valve">Zone valve</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Plumbing_fixture" title="Plumbing fixture">Plumbing fixtures</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Accessible_bathtub" title="Accessible bathtub">Accessible bathtub</a></li> <li><a href="/wiki/Bathtub" title="Bathtub">Bathtub</a></li> <li><a href="/wiki/Bidet" title="Bidet">Bidet</a></li> <li><a href="/wiki/Dehumidifier" title="Dehumidifier">Dehumidifier</a></li> <li><a href="/wiki/Dishwasher" title="Dishwasher">Dishwasher</a></li> <li><a href="/wiki/Drinking_fountain" title="Drinking fountain">Drinking fountain</a></li> <li><a href="/wiki/Electric_water_boiler" title="Electric water boiler">Electric water boiler</a></li> <li><a href="/wiki/Evaporative_cooler" title="Evaporative cooler">Evaporative cooler</a></li> <li><a href="/wiki/Flush_toilet" title="Flush toilet">Flush toilet</a></li> <li><a href="/wiki/Garbage_disposal_unit" title="Garbage disposal unit">Garbage disposal unit</a></li> <li><a href="/wiki/Hot_water_storage_tank" title="Hot water storage tank">Hot water storage tank</a></li> <li><a href="/wiki/Humidifier" title="Humidifier">Humidifier</a></li> <li><a href="/wiki/Icemaker" title="Icemaker">Icemaker</a></li> <li><a href="/wiki/Instant_hot_water_dispenser" title="Instant hot water dispenser">Instant hot water dispenser</a></li> <li><a href="/wiki/Laundry_tub" class="mw-redirect" title="Laundry tub">Laundry tub</a></li> <li><a href="/wiki/Shower" title="Shower">Shower</a> <ul><li><a href="/wiki/Water_recycling_shower" title="Water recycling shower">water recycling shower</a></li></ul></li> <li><a href="/wiki/Sink" title="Sink">Sink</a></li> <li><a href="/wiki/Storage_water_heater" title="Storage water heater">Storage water heater</a></li> <li><a href="/wiki/Sump_pump" title="Sump pump">Sump pump</a></li> <li><a href="/wiki/Tankless_water_heater" class="mw-redirect" title="Tankless water heater">Tankless water heater</a></li> <li><a href="/wiki/Urinal" title="Urinal">Urinal</a></li> <li><a href="/wiki/Washing_machine" title="Washing machine">Washing machine</a></li> <li><a href="/wiki/Washlet" title="Washlet">Washlet</a></li> <li><a href="/wiki/Water_dispenser" title="Water dispenser">Water dispenser</a></li> <li><a href="/wiki/Water_filter" title="Water filter">Water filter</a></li> <li><a href="/wiki/Water_heater" class="mw-redirect" title="Water heater">Water heater</a></li> <li><a href="/wiki/Water_softener" class="mw-redirect" title="Water softener">Water softener</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Specialized tools</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Basin_wrench" title="Basin wrench">Basin wrench</a></li> <li><a href="/wiki/Blowtorch" title="Blowtorch">Blowtorch</a></li> <li><a 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style="width:1%">Measurement<br />and control</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Control_valve" title="Control valve">Control valve</a></li> <li><a href="/wiki/Flow_sensor" class="mw-redirect" title="Flow sensor">Flow sensor</a></li> <li><a href="/wiki/Pressure_sensor" class="mw-redirect" title="Pressure sensor">Pressure sensor</a></li> <li><a href="/wiki/Water_detector" title="Water detector">Water detector</a></li> <li><a href="/wiki/Water_metering" title="Water metering">Water metering</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Professions,<br />trades,<br />and services</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hydronic_balancing" title="Hydronic balancing">Hydronic balancing</a></li> <li><a href="/wiki/Hydrostatic_testing" class="mw-redirect" title="Hydrostatic testing">Hydrostatic testing</a></li> <li><a href="/wiki/Leak_detection" title="Leak detection">Leak detection</a></li> <li><a href="/wiki/Mechanical,_electrical,_and_plumbing" title="Mechanical, electrical, and plumbing">Mechanical, electrical, and plumbing</a></li> <li><a href="/wiki/Pipe_marking" title="Pipe marking">Pipe marking</a></li> <li><a href="/wiki/Pipefitter" title="Pipefitter">Pipefitter</a></li> <li><a href="/wiki/Pipelayer" title="Pipelayer">Pipelayer</a></li> <li><a href="/wiki/Plumber" title="Plumber">Plumber</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Industry <br />organizations <br />and standards</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/International_Association_of_Plumbing_and_Mechanical_Officials" class="mw-redirect" title="International Association of Plumbing and Mechanical Officials">International Association of Plumbing and Mechanical Officials (IAPMO)</a></li> <li><a href="/wiki/NSF_International" title="NSF International">NSF International</a></li> <li><a href="/wiki/Plumbing_%26_Drainage_Institute" title="Plumbing & Drainage Institute">Plumbing & Drainage Institute (PDI)</a></li> <li><a href="/wiki/Uniform_Plumbing_Code" title="Uniform Plumbing Code">Uniform Plumbing Code (UPC)</a></li> <li><a href="/wiki/World_Plumbing_Council" title="World Plumbing Council">World Plumbing Council (WPC)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Health and safety</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Plumbing_code" title="Plumbing code">Plumbing code</a></li> <li><a href="/wiki/Scalding" title="Scalding">Scalding</a></li> <li><a href="/wiki/Waterborne_disease" title="Waterborne disease">Waterborne disease</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">See also</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Fire_sprinkler_system" title="Fire sprinkler system">Fire sprinkler system</a></li> <li><a href="/wiki/Piping" title="Piping">Piping</a></li> <li><a href="/wiki/Template:HVAC" title="Template:HVAC">Template:HVAC</a></li> <li><a href="/wiki/Template:Public_health" title="Template:Public health">Template:Public health</a></li> <li><a href="/wiki/Template:Sewerage" title="Template:Sewerage">Template:Sewerage</a></li> <li><a href="/wiki/Template:Toilets" class="mw-redirect" title="Template:Toilets">Template:Toilets</a></li> <li><a href="/wiki/Template:Wastewater" title="Template:Wastewater">Template:Wastewater</a></li></ul> </div></td></tr></tbody></table></div> <div class="mw-heading mw-heading2"><h2 id="Sources">Sources</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Radiator_(heating)&action=edit&section=17" title="Edit section: Sources"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://rointe.com/uk/electric-radiators/">"Operating information on electric radiators"</a>. Laura LNorth01. 2020.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Operating+information+on+electric+radiators&rft.pub=Laura+LNorth01&rft.date=2020&rft_id=https%3A%2F%2Frointe.com%2Fuk%2Felectric-radiators%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARadiator+%28heating%29" class="Z3988"></span></li></ul> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox authority-control" aria-label="Navbox" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Help:Authority_control" title="Help:Authority control">Authority control databases</a>: National <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q15951606#identifiers" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4159473-3">Germany</a></span></li></ul></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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