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Establishment of a co-operation network of passive house promoters (PASS-NET)

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The project aimed at the promotion and diffusion of the Passive and Very low energy Houses and technologies in Europe, including a focus on new member states. Given the huge energy and CO2-saving potential and the low recognition of the Passive House standard, the project offered independent information on financing, construction, and planning matters. In some countries there has been a positive uptake of this standard and these experiences needed to be transferred to other countries. This has strengthened co-operation and the exchange of know-how between the participating countries (Austria, Belgium, Croatia, Czech Republic, Germany, Romania, Slovakia, Slovenia, Sweden and the U.K.) and encouraged new initiatives Europe-wide. The project activities included promotion and awareness raising as well as training activities for specialists and the dialogue with public authorities. An important benefit has been the European wide Passive House database promoting best practice buildings. An annual growing rate of Passive Houses by 45% /a - up to 65.000 buildings in 2012 - is expected within the PASS-NET countries.


  • European wide Passive House database in 14 languages with 2,000 buildings,
  • International Open Passive House Days in all partner countries, 7.000 visitors in 2008 and 9.800 visitors in 2009
  • Design of a 2 Days training seminar for specialists reaching more than 500 participants. In most countries the courses has been established as a periodically event.
  • "freeware" training materials in PP-sheets provided online. Within one year 200 organisations from 34 countries have downloaded the materials.
  • Initiation of the first certified Passive House in Romania

Lessons learned

  • The experiences of the international stakeholder seminar within the International Passive House Conference in Frankfurt were, that: - Information on Passive House technology is strongly needed by stakeholders in many participating countries - Regional and national stakeholder seminars are more effectively than international seminars (travel restriction of civil servants, travel costs, too different levels of awareness in the different countries).
  • It figured out, that in several countries the relevant stakeholder did not declare the PHPP-calculation model as the "official" instrument to calculate and define Passive House standard. An important task of the network PASS-NET was to convince stakeholders about the advantages of a European wide definition and calculation model, as this would help to spread awareness and understanding of the quality standard within the public.
  • The density of Passive Houses/capita is mainly depending on policy measures in the country such as energy performance standards, subsidy schemes as well as energy prices and energy security. The differences of awareness and application of Passive House standard are enormous ranging from 25% Passive House standard of all new buildings in some Austrian and German regions till hardly known. Therefore joint concepts and training material need to be adapted to each country's situation.

Partners and coordinator

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Österreichische Gesellschaft für Umwelt und Technik, Austrian Society for Environment and Technol
Contact point: 
Michael Kolpek
0043 1 / 315 63 93 30
Herbert Greisberger


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In brief

01/11/2007 to 31/10/2010
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