Julien Siebigteroth
Certified Passive House Designer

Ing Ing
41Ter Rue du Mesneuil
41700 Fresnes
France
Initial by Exam
Certificate valid from Sept. 24, 2019
Certificate valid until Sept. 24, 2024
Certificate valid until Sept. 24, 2024
The certificate only applies to this person.
Examined by Propassif at Paris, France