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Tradesperson
Designer | Consultant
Building Certifier

René Kerner

Certified Passive House Designer

Dipl.-Ing. Bauingenieur

GWJ Ingenieurgesellschaft für Bauphysik GbR

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 from April 16, 2021
Certificate valid until April 16, 2026
The certificate only applies to this person.
Photo of documentation
Download documentation Assessed by Passivhaus Institut

Complete list: Passive House Designers with building documentations

Extension by building documentation

Certificate valid from March 16, 2016
Certificate valid until March 16, 2021
The certificate only applies to this person.
Photo of documentation
Download documentation Assessed by Passivhaus Institut

Complete list: Passive House Designers with building documentations

Initial by Exam

Certificate valid from Dec. 30, 2010
Certificate valid until Dec. 30, 2015
The certificate only applies to this person.

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