René Kerner
Certified Passive House Designer

Dipl.-Ing. Bauingenieur
Berliner Str. 62
03046 Cottbus
Germany
Phone: +49 (0)355 791689
info@gwj-bauphysik.de
http://www.gwj-bauphysik.de
Extension by building documentation
Certificate valid until April 16, 2026

Complete list: Passive House Designers with building documentations
Extension by building documentation
Certificate valid until March 16, 2021

Complete list: Passive House Designers with building documentations
Initial by Exam
Certificate valid until Dec. 30, 2015
Examined by IBN Passivhaus-Technik – Institut für Bauen und Nachhaltigkeit at Köln, Germany