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As of January 2015 the Passive House Institute is part of the Horizon 2020 EU-funded project Built2Spec which stands for "Built to specifications" and aims to facilitate construction practices. In order to achieve this ambitious objective, new self-inspection technologies based on Building Information Modelling (BIM) and portable devices will be developed for on-the-fly analysis, quality checks and direct data transfer, for example smartphone integrated 3D capture functions, infrared camera, embedded sensors for acoustic and indoor air quality tests. The Passive House Institute brings to the project its expertise in highly energy efficient construction and quality assurance. It also provides interfaces between the BIM-based platform and the planning and design tools PHPP and designPH.


The Passive House Institute (PHI) has been significantly involved in European Union projects within the framework of the Intelligent Energy Europe Programme over the years, including Promotion of European Passive Houses (PEP) and Passive On. PHI is currently heading up PassREg, also funded through the Intelligent Energy Europe Programme, and is an active partner in the FP7 funded 3encult project. PHI also acted as a partner in the IEA Task 28, Sustainable Solar Housing, and Task 37, Advanced Housing Renovation.

In the EU-funded project known as Sinfonia, the Passive House Institute is taking a leading role in providing consultancy on as well as the certification of retrofit projects in the cities of Innsbruck (Austria) and Bolzano (Italy). PHI is also charged with the development and implementation of a monitoring concept to demonstrate actual energy savings from retrofitting measures in roughly 500 apartments across both cities. The project itself further deals with the topics of electricity efficiency and the assessment of energy savings potentials at the city district level. Sinfonia's findings will be transformed into concrete, sustainable energy development plans with the aid of the participating early adopter cities of
Paphos (Cyprus), La Rochelle (France), Rosenheim (Germany), Seville (Spain),
and Boras (Sweden). These early adopters will then integrate the plans into their
municipal retrofitting strategies.

PHI is also coordinating the IEE funded EuroPhit project. EuroPHit focuses on deep energy retrofits to the EnerPHit Standard that are conducted in a step by step manner over the course of years. The goal: to develop international criteria and a certification scheme for such retrofit projects. This objective will be supported by new software tools, product innovation for step by step refurbishment, case study projects as well as trainings for designers and
craftspeople. As such, the project brings together relevant actors such as
municipalities, financing institutions and manufacturers


Passive House Institute's first EU project, CEPHEUS (Cost Efficient Passive Houses as European Standards), supported within the framework of the THERMIE Programme and by the German State of Hesse, saw more than 220 Passive House residential units throughout Europe built and then evaluated.


Since 1996, the Passive House Institute has organised the annual International Passive House Conference, the world’s most significant scientific gathering on Passive House. The event constitutes the central platform for the scientific community with regard to architecture, technologies and product development in the field of highly energy-efficient construction and refurbishment .


In addition to its other work, PHI has carried out the building physics consultancy and scientific monitoring for the first Passive House office buildings (Cölbe near Marburg, Germany), the first Passive House factory (Bensheim near Darmstadt, Germany), the first Passive House schools, the first Passive House swimming pools (Bamberg and Lünen, Germany), and the first Passive House refurbishments (in Nuremberg, Frankfurt and Ludwigshafen, Germany). PHI was also either fully responsible for the scientific evaluation of these projects or played a major role in this respect.

In 2001, Wolfgang Feist, founder and head of the Passive House Institute, was awarded the German Environmental Award by the German Environmental Foundation for his work on the development of the Passive House concept. In 2003, the Gothenburg International Environment Prize was jointly awarded to Wolfgang Feist and Swedish architect Hans Eek for their “pioneering work on Passive Houses which contributes to a great reduction in the consumption of fossil fuels and the emission of carbon dioxide.”

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12th Passive House Days
13 to 15 Nov 2015, worldwide
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22 to 23 Apr 2016, Darmstadt
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Component Database

Passive House
Component Database
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New developments

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Seals for Certified Passive House Components
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PHPP 8 (2013)
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EnerPHit - PHI certification for thermal insulation systems
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EnerPHit -
PHI certification for retrofits
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Component Database
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Wall plaque
for certified Passive Houses
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Passive Houses for different climate zones

Retrofits with Passive House components -
EnerPHit Planner Handbook
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Passive House Retail Stores now out
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