Johan Tannfors
Certified Passive House Designer
Civil Engineer
AK Konsult Indoor Air AB
Bordtennisvägen 12
74341 Storvreta
Sweden
Phone: +46 706227175
johan.tannfors@akkonsult.com
http://www.polygongroup.com
Initial by Exam
Certificate valid from Feb. 12, 2018
Certificate valid until Feb. 12, 2023
Certificate valid until Feb. 12, 2023
The certificate only applies to this person.
Examined by IG Passivhus Sverige AB / Kreutzer Simone at Växjö, Sweden