Presently, 8 countries are participating in the IEA HPT Annex 49.
Focus of the project is the actual state of the research on the national level within the framework of the IEA HPT Annex 49 and the broader information on the topics

  • National links to nZEB
  • Experience with heat pumps in nZEB
  • Design of HVAC systems for nZEB in different countries
  • Development and market situation of heat pump systems in nZEB

The website gives information on the IEA HPT Annex 49 project and publications as well as information to the topic of the Annex 49.