IEA HPT Annex 49

IEA HPP Annex 49 Bundesamt für Energie BFE IEA Heat Pump Centre iea International Energy Agency‌

IEA HPT Annex 49

IEA HPT Annex 49 is an international research project on heat pump systems for Nearly Zero Energy Buildings (nZEB) in the Heat Pumping Technologies (HPT) of the International Energy Agency (IEA).
Presently, 6 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.


























Joint Workshop
IEA HPT Annex 49 & Annex 50 
and IEA EBC Annex 67
at the IEA Heat Pump Conference
May 15, 2017, 9:30 - 12:30

12th IEA Heat Pump Conference
May 15-18, 2017, Rotterdam
Conference Website