Drake Chan
Certified Passive House Consultant
Crystal Windows & Door Systems, Ltd.
3110 Whitestone Expressway
NY 11354 Flushing
United States of America
Phone: +1 646-321-5460
g.drake.chan@gmail.com
https://crystalwindows.com/
Initial by Exam
Certificate valid from Nov. 22, 2018
Certificate valid until Nov. 22, 2023
Certificate valid until Nov. 22, 2023
The certificate only applies to this person.
Examined by Passive House Academy / O'Leary, Tomás at New York, United States of America