Radoslaw Wittke-Skierka
Certified Passive House Designer
Dipl.-Ing. Bauingenieur
KSF | Steimke, Dr. Hemmy & Partner
Alfred-Balzer-Str. 5
27570 Bremerhaven
Germany
Phone: +49 (0)471/93157-0
wittke@ksf-ing.de
http://www.ksf-ing.de
Initial by Exam
Certificate valid from April 7, 2016
Certificate valid until April 7, 2021
Certificate valid until April 7, 2021
The certificate only applies to this person.
Examined by IBN Passivhaus-Technik - Institut für Bauen und Nachhaltigkeit at Köln, Germany