Happy Birthday, Passive House !

Passive House now 30 years old –pioneering work paves the way for energy efficiency Darmstadt, Germany. Passive House is celebrating its 30th birthday this year!Starting as an experiment,great credit can be given to this pioneering project by Professor Wolfgang Feist: at a time when only very few people thought about climate protection, it paved the way for energy efficiency in buildings. Today, the Passive House Standard has been implemented throughout…


Earth Day Release ‘Efficiency: The First Renewable Energy’ Video

Today is Earth Day and to mark the occasion, we are launching the next step in our ‘Efficiency: The First Renewable Energy’ campaign! The International Passive House Association, together with our affiliate partners from all over the world, has produced a series of videos to highlight the benefits of the Passive House standard and an efficiency first approach. The videos are available in a range of languages and regional versions,…


Ug, Uf, Uw, Uwhat? : An intro to the U-value and those most important to Passive House design

Author: Nikki Goad (iPHA) For someone outside the building sector, many of the shorthand symbols frequently used in Passive House related content – including educational videos, press releases, webinars, and even some of our other blog posts – can be quite confusing. What the heck is a U-value? What are all those different subscripts? And what the heck is this symbol -> Ψ? Don’t fret. We will get into all…