Frank Blessing
DGNB auditor
Certified passive house planner
Expert listed in the expert register of the funding program of the Federal Republic
Expert according to § 2 section 1ZVEnEV
Bavarian Chamber of Engineers, Section Building
BDB - Association of German Master Builders
DEGA – German Acoustical Society
DGfH – German Society of Wood Research
Associaton of Friends of the University of Applied Sciences of Stuttgart
Chamber of Engineers of Baden-Württemberg and Hessen
VDI - Association of German Engineers
VMPA - Association of Material Testing Centers
Chamber of Commerce and Industry, Region Stuttgart
IAB – International Academy of Pool Construction
DGNB - German Society for Sustainable Building