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The text explains how warm water is pumped through floor-embedded pipes, how heat is distributed via manifolds and pipe loops, and why radiant, evenly spread comfort is achieved with discreet installation. It compares underfloor heating methods, outlines installation suitability for new builds and retrofits, discusses heating sources, control considerations, and highlights energy efficiency and running cost factors.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/an-introduction-to-hydronic-underfloor-heating-a-concise-guide-for-architects-specifierson-planning-underfloor-heating-systems/656759/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/an-introduction-to-hydronic-underfloor-heating-a-concise-guide-for-architects-specifierson-planning-underfloor-heating-systems/656759.png","ImageObject",300,407,{"name":92,"@type":93},"asba","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-02","2026-10-25",true,{"@type":102,"interactionType":103,"userInteractionCount":39},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"How does hydronic underfloor heating work?","Question",{"text":112,"@type":113},"A boiler or heat pump heats water that is pumped through pipes embedded in the floor. The primary pipework carries heat to manifolds, which distribute it to underfloor pipe loops that warm the floor to the desired temperature.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What are the main benefits of underfloor heating compared with other comfort heating?",{"text":117,"@type":113},"The radiant heat is distributed evenly across the room, producing warmer floors with a clear, unstuffy head. The system is quiet and discrete, hidden from view and taking up little or no wall space.",{"name":119,"@type":110,"acceptedAnswer":120},"What heating methods are discussed, and how do they differ?",{"text":121,"@type":113},"The guide covers in-slab (Kiwi UF), Variotherm, European screed underfloor heating, and a metal plate timber floor system. Differences include pipe spacing, thermal mass, system thickness, suitability for retrofit, response speed to controls, and relative installation cost or labor requirements.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},656759,1793007050,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":39,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":46,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":31},3985747872567,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","AN INTRODUCTION TO HYDRONIC  \nUNDERFLOOR HEATING  \na concise guide for architects & specifierson planning underfloor heating systems  \nIntroduction  \nThis guide is intended as a basic guide to the fundamentals of hydronic underfloor heating to assist specifiers to incorporate underfloor heating in their design. (Hydronic underfloor heating works by pumping warm water through pipes set inside the floor.)  \nPlease contact us for more detailed information.  \nContents  \nUnderfloor heating: the ultimate in comfort & design 3 Underfloor Heating Methods 5 Can underfloor heating be used with radiators on the same system? 6 What can I use to heat the system? 7 Can I heat my house from solaror a wetback system? 8 Can I only heat part of my house or install a system incrementally? 9 What are the running costs like for an underfloor heating system? 10 What level of control is there in a hydronic underfloor heating system? 11 Design & installation issues to consider when planning underfloor heating 12 Design & installation process for underfloor heating systems 18  \nOur Expertise 19  \nUnderfloor heating:  \nthe ultimate in comfort & design  \nLuxurious, silent & discrete  \nUnderfloor heating is widely regarded as the most luxurious form of heating. Its radiant heat is evenly distributed throughout the room; wall to wall, floor to ceiling.  \nIts heating profile means rooms are warmer at floor than ceiling level ensures not only warm feet and a clear unstuffy head, but warmth and comfort.  \nHard floor surfaces are warm to the touch – a key feature with increased numbers of new houses being built with concrete floor surfaces.  \nWhat’s more the system is totally hidden from view and takes up no wall space – very important  \nto many people, especially where large glazed areas mean there is little or no wall space.  \nWater can hold nearly 1,000 times are much heat as the same volume of air so large amounts of heat can be moved around the house through comparatively small pipes without the need for large ducts and the noise of blown air.  \nEnergy efficient  \nHydronic underfloor heating is much more efficient and with much lower running costs than electric underfloor.  \nThe heat can be provided by specially designed air to water or ground source heat pumps, or by boilers fuelled by gas, diesel or wood.  \nHow does underfloor heating work?  \nThe heat source: A boiler or heat pump supplies heat to the system by heating the water that is pumped through it.  \nPrimary pipework carries the heat from the heat source to the manifold(s) .  \nManifolds distribute the heat to the underfloor pipe loops.  \nPipe loops, with hot water flowing through them, heat the floor, typically at least 1 loop for every 20m2 of heated floor area.  \nController switches the heat source on and off, and directs the heat to where it is needed to heat the rooms to the desired temperature.  \nCan underfloor heating be installed in my home?  \n\n| Heating Method | New Build? | Retro-fit to existing home? |\n| --- | --- | --- |\n| In-slab (Kiwi UF) | 3 | 7 |\n| European screed | 3 | 3 |\n| Multitubo Micro-screed | 3 | 3 |\n| Alloy plate system for timber joist floors | 3 | 3 |\n\nWhen underfloor is retrofitted the floor level will be raised which means door heights etc will be reduced, unless spreader plates are used under a timber floor.  \nUnderfloor Heating Methods  \n\n| \u003Cbr>\u003Cbr>1 |  |  |  |  |\n| --- | --- | --- | --- | --- |\n|  |  |  |  |  |\n| \u003Cbr>\u003Cbr>|  |  |  |  |\n\n1. In-slab,‘Kiwi’, underfloor heating  \nHeating the construction slab is the most commonly used form of central heating in New Zealand.  \nPipes are laid on polystyrene insulation or attached to reinforcing mesh.  \nAdvantages: Relatively inexpensive and simple to install. Large thermal mass retains heat. Disadvantages: High thermal mass means slow response to controls. Because the outside edges of the slab are not insulated there can be heat lost to the footings and re-bar, and to the environment..  \n3. Variotherm  \nVariotherm is a qu","cbCaikQBoVa6nGrZ","https://ap.wps.com/l/cbCaikQBoVa6nGrZ","pdf",908020,"English","# Introduction\n# Underfloor heating: the ultimate in comfort & design\n## Heating profile and comfort benefits\n## Energy efficiency and heat sources\n# How does underfloor heating work?\n# Can underfloor heating be installed in my home?\n## New build vs retro-fit suitability\n# Underfloor Heating Methods\n## In-slab (Kiwi UF)\n## Variotherm\n## European screed underfloor heating\n## Metal plate timber floor system\n# Can underfloor heating be used with radiators on the same system?","[{\"question\":\"How does hydronic underfloor heating work?\",\"answer\":\"A boiler or heat pump heats water that is pumped through pipes embedded in the floor. The primary pipework carries heat to manifolds, which distribute it to underfloor pipe loops that warm the floor to the desired temperature.\"},{\"question\":\"What are the main benefits of underfloor heating compared with other comfort heating?\",\"answer\":\"The radiant heat is distributed evenly across the room, producing warmer floors with a clear, unstuffy head. The system is quiet and discrete, hidden from view and taking up little or no wall space.\"},{\"question\":\"What heating methods are discussed, and how do they differ?\",\"answer\":\"The guide covers in-slab (Kiwi UF), Variotherm, European screed underfloor heating, and a metal plate timber floor system. Differences include pipe spacing, thermal mass, system thickness, suitability for retrofit, response speed to controls, and relative installation cost or labor requirements.\"}]","AN INTRODUCTION TO HYDRONIC UNDERFLOOR HEATING - a concise guide for architects & specifierson planning underfloor heating systems | PDF",1792970753]