{"id":6946,"date":"2018-10-08T08:38:05","date_gmt":"2018-10-08T06:38:05","guid":{"rendered":"https:\/\/era.archi\/?p=6946"},"modified":"2023-02-07T14:52:16","modified_gmt":"2023-02-07T13:52:16","slug":"difference-between-passive-house-low-consumption-house-almost-zero-consumption-house-or-net-zero-energy-building-house","status":"publish","type":"post","link":"https:\/\/era.archi\/en\/difference-between-passive-house-low-consumption-house-almost-zero-consumption-house-or-net-zero-energy-building-house\/","title":{"rendered":"Difference between Passive House, Low Consumption House, Almost Zero Consumption House or Net Zero Energy Building House"},"content":{"rendered":"<p><em>What is the difference between Passive House, Low Consumption House, Almost Zero Consumption House or Net Zero Energy Building House?<\/em><\/p>\n<p><em>What is a Passive House? and<\/em><em>\u00a0Low Consumption House?<\/em><\/p>\n<p><em>What is a House of almost zero consumption or House Net zero?<\/em><\/p>\n<p>Here we show you the differences.<\/p>\n<p>In case you still don&#8217;t know us, let me introduce our studio: we&#8217;re ERA architects, the English speaking green architecture studio to call in Barcelona.<br \/>\nActually, I&#8217;m Esther Rovira, an architect in Barcelona and a passive house designer for new sustainable builds and big green renovations in Barcelona and Catalonia.<br \/>\nIn this post you&#8217;ll find all the essentials from our professional point of view.<br \/>\nI hope this helps you!<\/p>\n<p>&nbsp;<\/p>\n<p><strong>What is a Passive House?<\/strong><\/p>\n<p>Passive house is a house that meets the standards of the Passivhaus Institute:<\/p>\n<ul>\n<li>air conditioning demand &lt;15kWh\/m2a or air conditioning load &lt;10W\/m2<\/li>\n<li>primary load in electricity of 120kWh\/m2a<\/li>\n<li>airtight housing (no leaks)<\/li>\n<li>air renewal 0.33Wh\/m3k<\/li>\n<li>relative humidity less than 80%<\/li>\n<\/ul>\n<p>This means that the house has a temperature throughout the year between 20 and 26\u00baC thanks to solar gains in winter, its insulated envelope, without leaks or thermal bridges, and good sun protection in summer.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>What is a low energy house?<\/strong><\/p>\n<p>It is a house that consumes little energy. The Passive House Institute defines low-consumption houses when they meet all the above requirements except the airtightness value that ensures there are no air infiltrations (n50&lt;0.6)<\/p>\n<p>&nbsp;<\/p>\n<p><strong>What is a Nearly Zero Consumption House or Net Zero House (nZEB)?<\/strong><\/p>\n<p>An almost zero consumption house or Net Zero House is one that is self-sufficient in renewable energy.<br \/>\nIn other words, the energy it consumes is equal to or less than the energy it produces in a renewable way (or failing that, less than the renewable energy it buys).<br \/>\nEnergy can be measured according to the cost in \u20ac of consumption\/generation, in ppms of CO2, in the amount of energy contracted per year (kW\/a) or in primary energy consumption (kWh\/m2a)<br \/>\nThe criteria to quantify the sustainability of the nZEB building are diverse and not very specific.<br \/>\nThey work for large buildings but for a house they fall somewhat short to evaluate the level of comfort.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Our professional recommendation:<\/strong><\/p>\n<p>In our Architecture studio in Barcelona, \u200b\u200bwe recommend building houses with maximum levels of comfort following the passive house criteria defined by the Passive House Institute.<\/p>\n<p>&nbsp;<\/p>\n<p>You may also be interested in other related posts:<\/p>\n<p><a class=\"waffle-rich-text-link\" href=\"https:\/\/era.archi\/en\/efficient-houses-and-price-in-barcelona\/\">Efficient houses and price in Barcelona<\/a><br \/>\n<a class=\"waffle-rich-text-link\" href=\"https:\/\/era.archi\/en\/passive-house-and-price-in-barcelona\/\">Passive House and price in Barcelona<\/a><br \/>\n<a class=\"waffle-rich-text-link\" href=\"https:\/\/era.archi\/en\/wood-houses-and-price-in-barcelona\/\">Wood houses and price in Barcelona<\/a><\/p>\n<p>You can also view efficient and passive houses to compare their price using the CasaAPP configurator (be patient, the WEB configurator takes 3 minutes to load, if it doesn&#8217;t load, you need a more powerful computer) or also on Google Play (only for Android tablets).<\/p>\n<p>&nbsp;<\/p>\n<p>Hope this is helpful!<br \/>\nBest of luck on this adventure.<br \/>\nSee you on the next post,<\/p>\n<p>&nbsp;<\/p>\n<div><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/www.linkedin.com\/in\/estherrovira\/\" rel=\"noopener noreferrer\">Esther Rovira Raurell<\/a><\/span><\/div>\n<div><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/era.archi\/estudio\/\">Architect in Barcelona<\/a>\u00a0#<a style=\"color: #000000;\" href=\"https:\/\/www.arquitectes.cat\/\" rel=\"noopener noreferrer\">COAC 44234-8<\/a><\/span><\/div>\n<div><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/www.passivhausplaner.eu\/index.php?lang=en-GB\" rel=\"noopener noreferrer\">Passive House Designer<\/a><\/span><\/div>\n<div><span style=\"color: #000000;\">Affiliated to the\u00a0<a style=\"color: #000000;\" href=\"https:\/\/passivehouse-international.org\/memberSearchDetails.php?member_id=9577\" rel=\"noopener noreferrer\">International Passive House Association<\/a><\/span><\/div>\n<div><span style=\"color: #000000;\">Founder of\u00a0<a style=\"color: #000000;\" href=\"https:\/\/era.archi\/es\" rel=\"noopener noreferrer\">ERA architects<\/a>\u00a0<\/span><\/div>\n<div><\/div>\n<p>P.S. Wanna get FREE tips for your project weekly?<strong> <a href=\"https:\/\/mailchi.mp\/70756c2ddba1\/barcelona-green-architect-tips\" target=\"_blank\" rel=\"noopener\">Yas!<\/a> <\/strong>or follow us <span style=\"color: #000000;\">on<span style=\"color: #3366ff;\">\u00a0<a style=\"color: #3366ff;\" href=\"https:\/\/www.instagram.com\/era.archi\/\" target=\"_blank\" rel=\"noopener noreferrer\">Instagram<\/a>, <a style=\"color: #3366ff;\" href=\"https:\/\/pin.it\/3Du3dBr\" target=\"_blank\" rel=\"noopener\">Pinterest<\/a>, <a style=\"color: #3366ff;\" href=\"https:\/\/twitter.com\/ERAarchi\" target=\"_blank\" rel=\"noopener noreferrer\">Twitter<\/a>\u00a0y\u00a0<a style=\"color: #3366ff;\" href=\"https:\/\/www.facebook.com\/ERAarchis\/\" target=\"_blank\" rel=\"noopener noreferrer\">Facebook<\/a><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the difference between Passive House, Low Consumption House, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3078,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[603,605],"tags":[427,428,429,430,431,432,433],"class_list":["post-6946","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-passive-house-architect-barcelona","category-sustainable-renovation-barcelona","tag-arquitecta-barcelona-en","tag-arquitecta-casas-barcelona-en","tag-arquitecto-casas-barcelona-en","tag-arquitecto-casas-pasivas-barcelona-en","tag-arquitecto-casas-prefabricadas-de-madera-barcelona-en","tag-arquitecto-passive-house-designer-barcelona-en","tag-passive-house-designer-barcelona-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - 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