David Guyon
Certified Passive House Consultant
M. Sc. Building Manager
Guyon David Maître d'œuvre en bâtiment
2 rue Guillaume Apollinaire
56190 Muzillac
France
Phone: +33 6 03 07 82 25
mo.david.guyon@gmail.com
Initial by Exam
Certificate valid from Aug. 23, 2018
Certificate valid until Aug. 23, 2023
Certificate valid until Aug. 23, 2023
The certificate only applies to this person.
Examined by Propassif at