Katja Bärenfänger

Certified Passive House Designer

M. Eng. Ingenieurin Bauphysik

Bollinger + Grohmann Ing. GmbH

Westhafenplatz 1
60327 Frankfurt on the Main
Germany

Phone: +49 (0) 69/240007-0
office@bollinger-grohmann.de
http://www.bollinger-grohmann.de

Initial by Exam

Certificate valid from July 18, 2016
Certificate valid until July 18, 2021
The certificate only applies to this person.

Examined by IBN Passivhaus-Technik - Institut für Bauen und Nachhaltigkeit at Köln, Germany