A natural evolution in a history of manufacturing excellence.

Passive House Certified Windows and Doors

Innotech Windows + Doors is a Canadian manufacturer of Passive House Institute certified windows and doors. With over twenty years of dedicated experience, Innotech delivers the manufacturing expertise and product performance required for Passive House and other highly sustainable projects in Canada and the United States.

The Defender 88PH+ System is a natural evolution in a proven history of manufacturing excellence. High-quality components, expertise in manufacturing, and robust testing and quality assurance programs result in highly durable windows and doors with superior thermal performance, air and water resistance, and dimensional stability. The Defender 88PH+ System is available in a wide range of performance, functional and design options.

In addition to achieving Passive House Institute certification, the Defender 88PH+ System is also NFRC (National Fenestration Rating Council) certified and NAFS (North American Fenestration Standard) compliant. All Innotech windows and doors are manufactured in Canada and designed, tested and labelled specifically for North  American projects.

Passive House Certified Windows

The Defender 88PH+ System includes Passive House Institute certified fixed and operable (tilt and turn) windows with a U-value of as low as 0.60 W/(m²K)​. With our hybrid framing system, innovative structural reinforcements, fusion welded frame and sash corners, and high-performance insulated glass units, the durable Defender 88PH+ windows provide superior thermal, air and water, and structural performance.

Passive House Certified Doors

The Defender 88PH+ System also includes Passive House Institute certified terrace doors with a U-value of 0.80 W/(m²K). These Cool Temperate certified terrace doors are available in a variety of functional and aesthetic options, including swing (inswing and outswing) or dual action (tilt and turn) hardware, single or double doors, and with or without top or side windows. 

Passive House Accelerator Component Spotlight

The Defender 88PH+ System was featured on Passive House Accelerator's Component Spotlight. Watch the video to learn more about our PHI-certified windows and doors.

Windows + Doors for Passive House Projects

Our PHI-certified windows and doors are specified for custom homes and multi-family developments designed and built to the Passive House standard. Our knowledgeable fenestration consultants and experienced project management teams work closely with our clients to ensure the windows and doors meet or exceed the required performance targets for each project.