Passive House Certified Windows

A History of Performance

Innotech Windows + Doors was established at the turn of the century with the purpose of manufacturing German engineered windows and doors that reached beyond industry standards. Today, we are proud to offer our clients a full line of high-performance, energy-efficient and durable windows and doors that are engineered, tested and labeled for our North American climate and building codes.

Passive House Certified Windows

The Defender 88PH+ System is a natural evolution in our history. It offers the performance required to achieve the ultimate in energy-efficient design and construction: the Passive House Standard as defined by the International Passive House Association. Manufactured at our state-of-the-art manufacturing facility in Langley, British Columbia, the Defender 88PH+ System is a Passive House Institute (PHI) and Passive House Institute US (Phius) certified component with outstanding thermal insulation, superior air, water and sound resistance, and proven durability.

Defender 88PH+ XI – Fixed Window

• Passive House Institute certified component for climate region 2 (cold climate)
• Phius certified product for climate zone 7
• PHI Uw value = 0.59 W/(m²K)
• available with a variety of glazing, finish and hardware options
• NFRC rated, NAFS tested and manufactured in Canada

Defender 88PH+ XI – Operable (Tilt + Turn) Window

• Passive House Institute certified component for climate region 2 (cold climate)
• Phius certified product for climate zone 7
• PHI Uw value = 0.60 W/(m²K)
• available with a variety of glazing, finish and hardware options
• NFRC rated, NAFS tested and manufactured in Canada

Defender 88PH+ Pro – Fixed Window

• Passive House Institute certified component for climate region 3 (cool temperate climate)
• Phius certified product for climate zone 6
• PHI Uw value = 0.75 W/(m²K)
• available with a variety of glazing options
• NFRC rated, NAFS tested and manufactured in Canada

Defender 88PH+ Pro – Operable (Tilt + Turn) Window

• Passive House Institute certified component for climate region 3 (cool temperate climate)
• Phius certified product for climate zone 6
• PHI Uw value = 0.77 W/(m²K)
• available with a variety of glazing options
• NFRC rated, NAFS tested and manufactured in Canada

Tilt + Turn Advantage

It’s no surprise that most operable Passive House windows are tilt and turn windows. Superior by design, tilt and turn window systems are engineered to perform better than other types of windows. And when you add high-quality components, expertise in manufacturing and a diligent quality assurance process, the result is an advanced European window system with remarkable performance and durability. + Learn more

Key Performance Data

The Defender 88PH+ System performance data is available for download on the Passive House Institute’s Components Database and on the Phius Certified Product Database. Contact us for additional information, including NFRC and NAFS values.

Watch Now: Defender 88PH+ XI Window