O Eun An

Certified Passive House Consultant

Donggun. Inc

Seolleung-ro 112-gil 52
135868 Seoul
South Korea

Phone: 82-(0)2-512-7804

Initial by Exam

Certificate valid from July 14, 2015
Certificate valid until July 14, 2020
The certificate only applies to this person.

Examined by Korean Passive House Design Institute / Lee, Pil-Ryul at Seoul, South Korea