“Eternal growth? Degrowth? Energy Efficiency for a somewhat different approach” (free for PHCA members)

A webinar with Prof. Wolfgang Feist, Passive House Institute Economic growth is currently the almost universally used yardstick for evaluating success (of a company, a nation, or a government). There has long been a debate as to whether this is the right yardstick - and it is a matter of great debate. In this webinar, however, the author will shed light on some far more important aspects of growth: Has…


Passive House Component Database 2.0

The Passive House Institute is delighted to announce that they have completely rebuilt the component database to offer you an enhanced user experience! Find the ideal components for your Passive House project quickly and efficiently thanks to many new categorization options, such as size, noise level, material and construction type. Among other new features, this new version allows you to compare different components and bookmark your favourite ones. Discover the…


Update to PHPP is a crowd pleaser

PHPP10, the most recent version of the Passive House Institute’s energy modeling software, has been out in German since 2021 and in English since February 2022 for those who work in metric units. This version features several useful updates, as well as new looks on some familiar sheets. Now, the wait is almost over for PHPP10 in Imperial units, giving U.S. practitioners the opportunity to enjoy its many improvements. Its…


Press Release | Special feature: 4 x Passive House!

Climate-friendly buildings take off: Passive Houses certified in Munich and Argentina Darmstadt/Munich/Buenos Aires: Climate-friendly buildings are becoming increasingly popular: a higher energy efficient standard means lower energy consumption, resulting in lower energy costs and less carbon emissions. The Passive House Institute has registered a worldwide increase in projects. Certification is voluntary but plays a central role in quality assurance. The research institute in Darmstadt recently awarded Passive House certificates to…


Passive House | Building Criteria Update

Coinciding with the launch of the English PHPP 10, the Passive House Institute has published updated building criteria, which define the requirements for certification relating to the Passive House, EnerPHit and PHI Low Energy Building standards. Among other things, the calculation of the limit values now takes into account the boundary conditions of a specific building. This applies to the primary energy demand of densely occupied residential and office buildings…


Let’s save fossil energy – Now!

#EfficiencyNOW shows ways towards independence from fossil fuels Darmstadt, Germany.  The call of the hour is to save fossil energy. To achieve this goal quickly, the Passive House Institute has started the #EfficiencyNOW campaign. The research institute explains how each one of us can contribute towards becoming more independent of fossil energy, and ultimately phasing it out altogether. On Passipedia, the Institute provides guidelines on how to go about this.…


Summer Comfort in Passive House Buildings: Guideline

With warming climate conditions the topic of resilience towards overheating is increasingly gaining importance, especially since high indoor temperatures are not only a matter of comfort, but are also highly related to health. Summer temperatures inside a building are majorly influenced by solar loads, internal heat sources and by the ventilation strategy. Design optimization suitable for the local climate conditions fundamentally influences (a) the achieved thermal summer comfort and (b)…


30 years old ˗ more relevant than ever!

Darmstadt/Wuppertal, Germany. Passive House is celebrating its 30th birthday – and is more relevant than ever before. The 25th International Passive House Conference demonstrated how important it is to implement climate protection in buildings on a large scale. The Passive House Institute moderated the anniversary conference live in the Historic Town Hall of Wuppertal, for the participants it took place online. The research institute emphasised the key role that energy…


PHPP 10 has been released !

The Passive House Planning Package version 10, which at the moment is only available for purchase in German, has lots of new interesting features such as the summer stress-tests, heat pumps and split-units, and much more. We let you know when the English version is available! The Passive House Planning Package (PHPP) is an MS Excel-based energy balance and efficiency design tool for highly energy efficient buildings and retrofits, which…


2021 Passive House Award Winners

Darmstadt/Wuppertal, Germany. The ceremony for the 2021 Passive House Award was held online this time, but was equally exciting. During the 25th International  Passive House Conference in the Historic Town Hall of the city of Wuppertal, the Passive House Institute presented the Passive House Award to 14 awardees from nine countries. Most of them participated in the ceremony via video stream and celebrated online.  The awardees of the 2021 Passive…



Prof. Dr. Wolfgang Feist | The Future of the Industry Post COVID-19

Prof. Feist is discussing Passive House, the role of science and ethics in construction and the future of the industry post-COVID 19. This is a recording of a presentation Prof. Wolfgang Feist held for members of the press on Tuesday May 28, 2020. After the presentation, there is a compilation of questions asked in two Q&A sessions. CLICK HERE TO START THE VIDEO PRESENTATION. Power Point Presentation: CLICK HERE Press…