Grigoris Gionnas

Certified Passive House Consultant

Petrou Boua 7
1st floor
22131 Tripoli
Greece

Phone: +306983070359
Mobile Phone: +306971627081
g.gionnas@gmail.com

Initial by Exam

Certificate valid from Sept. 29, 2021
Certificate valid until Sept. 29, 2026
The certificate only applies to this person.

Examined by Hellenic Passive House Institute online