Colin Milne

Certified Passive House Tradesperson, specialised in Building Envelope


Ritchie Construction

779, 17th Street East
V7L 2W9 North Vancouver

Phone: +1(778)917-8541

Initial by Exam

Certificate valid from Dec. 13, 2018
Certificate valid until Dec. 13, 2023
The certificate only applies to this person.

Examined by Passive House Canada at Vancouver, Canada