Certified Passive House Designer

Ludwig Rongen

Prof. Dipl.-Ing. Architekt Und Stadtplaner

Propsteigasse 2
41849 Wassenberg
Germany

Phone: 0049 (0) 2432 / 3094
info@rongen-architekten.de
http://www.rongen-architekten.de

RONGEN ARCHITEKTEN GmbH

Glockengasse 31
99084 Erfurt
Germany

Phone: 0049 (0) 361 / 5615770
info@rongen-architekten.de
http://www.rongen-architekten.de

Extension by building documentation

Certificate valid from Nov. 30, 2014
Certificate valid until Nov. 30, 2019
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 building documentation

Certificate valid from Sept. 1, 2008
Certificate valid until Sept. 1, 2013
The certificate only applies to this person.
Photo of documentation
Download documentation Assessed by Passivhaus Institut

Complete list: Passive House Designers with building documentations