Cascadia Passive House Windows and Doors

Credit: Cascadia Windows and Doors

What makes this product green?

  • Reduces heating and cooling loads
  • Durable or low-maintenance


Cascadia Windows & Doors offers a full line of high-performance fiberglass windows and doors, including some that meet Passive HouseA residential building construction standard requiring very low levels of air leakage, very high levels of insulation, and windows with a very low U-factor. Developed in the early 1990s by Bo Adamson and Wolfgang Feist, the standard is now promoted by the Passivhaus Institut in Darmstadt, Germany. To meet the standard, a home must have an infiltration rate no greater than 0.60 AC/H @ 50 pascals, a maximum annual heating energy use of 15 kWh per square meter (4,755 Btu per square foot), a maximum annual cooling energy use of 15 kWh per square meter (1.39 kWh per square foot), and maximum source energy use for all purposes of 120 kWh per square meter (11.1 kWh per square foot). The standard recommends, but does not require, a maximum design heating load of 10 W per square meter and windows with a maximum U-factor of 0.14. The Passivhaus standard was developed for buildings in central and northern Europe; efforts are underway to clarify the best techniques to achieve the standard for buildings in hot climates. standards. Triple-glazed versions of its windows have U-values as low as 0.14, with doors reaching U-values of 0.17. Window options include in-swing and out-swing casement, awning, and fixed; door options include in-swing and out-swing models with single or double doors. These windows and doors come with Hydro Tuff waterborne coatings that incorporate ceramic-based pigments for added durability and fade resistance, according to the company. They are available in nine standard colors, with custom colors also available. The company offers a limited warranty of 20 years on the frame and 10 years on the hardware and glazingWhen referring to windows or doors, the transparent or translucent layer that transmits light. High-performance glazing may include multiple layers of glass or plastic, low-e coatings, and low-conductivity gas fill..

Manufacturer Information

Cascadia Windows and Doors
27050 Gloucester Way
Langley, BC V4W 3Y5
Phone: 604-857-4600
Fax: 604-857-4606

Listed in: Composite Windows, Exterior Doors