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…


Are the Energy Savings of the Passive House Standard Reliable? A Review of the As-built Thermal and Space Heating Performance of Passive House Dwellings from 1990 to 2018

David Johnston |  Mark Siddall |  Oliver Ottinger | Soeren Peper | Wolfgang Feist Abstract The Passive House (PH) standard is a voluntary quality assurance standard focused upon maximizing the health and wellbeing of occupants, whilst reducing space heating demand to a very low level. To meet the PH standard, well-defined criteria have to be met. However, given literature that suggests a ‘performance gap’ for energy savings, the question remains, how well…