Jan-Teelko Läsche

Certified Passive House Designer

M. Sc. Bauingenieur

OSJ Ingenieure

Königstraße 4a
22767 Hamburg
Germany

Phone: +49(0)4040194734
laesche@osj.de
http://www.osj.de

Initial by Exam

Certificate valid from Dec. 5, 2016
Certificate valid until Dec. 5, 2021
The certificate only applies to this person.

Examined by Öko Zentrum NRW GmbH at Hamm, Germany