Langley, BC, Canada
Windows & Door
Passive House Component Certification
Year of Completion:
The Defender 88PH+ System also includes the first cold-climate PHI certified window manufactured in North America – a long-awaited performance milestone for the North American Passive House building industry. The cold climate certified Defender 88PH+ XI has a low Uw value of 0.60 W/m2K and supports the growth of Passive House buildings in colder climates in Canada and the United States.