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Passive House Certified Fixed Windows
Passive House Certified Fixed Windows

    Passive House Certified Fixed Windows

    The Defender 88PH+ System combines decades of fenestration knowledge to deliver a robust window and door system that is Passive House Institute (PHI) certified. Our Passive House windows are manufactured in Canada for North American Passive House projects.

    Specification
    • 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+ 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

      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.

    Technical specification
    • Unique ref.passive-house-certified-fixed-windows
    • Product familyWindows
    • Product groupPassive House Certified Windows
    • TypeObject (single object)
    • Date of publishing2025-08-18
    • Edition number1
    Related
    • Material mainPVC
    • Material secondaryGalvanized steel
    • Designed inCanada
    • Manufactured inCanada
    Classification
    • BIMobject CategoryWindows - Fixed Frames
    • IFC classificationWindow
    • Uniclass 2015 CodePr_30_59_98
    • Uniclass 2015 DescriptionWindow units
    • CSI MasterFormat 2014 Code08 50 00
    • CSI MasterFormat 2014 TitleWindows
    • OmniClass Number23-17 13 00
    • OmniClass TitleWindows

    Region availability

    North America
    Canada
    United States
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