Note: Please direct technical inquiries on the topics of "Energy-efficient construction and renovation" and "List of energy efficiency experts for federal funding programs" to the following hotlines:
Do you have technical questions about the Buildings Energy Act (Gebäudeenergiegesetz, GEG), energy performance certificates, balancing of buildings, iSFP methodology or similar?
The service team of the Gebäudeforum klimaneutral (Building Forum Climate-Neutral) will advise you free of charge: +49 (0) 30 66 777-881
Monday, Wednesday and Thursday: 10.00 h to 12.00 h // Tuesday: 14.00 h to 16.00 h
Specialist information on climate-neutral building and renovation in German at www.gebaeudeforum.de
Do you have any questions about the expert list or the expert search?
Our service center will advise you free of charge: +49 (0) 30 66 777-222
Monday to Friday 9 a.m. to 12 p.m. and Monday and Wednesday 2 p.m. to 4 p.m.
List of energy efficiency experts for federal funding programs: www.energie-effizienz-experten.de
For general inquiries to dena, use the following contact options or the form below.
Tel: +49 (0)30 66 777 - 0
Fax: +49 (0)30 66 777 - 699
How to find us