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Windows and doors need to be more than just beautiful. They need to function in the harshest of climates so that your house stays warm in the freezing cold and your house stays cool in the scalding sun. These ratings help you decide which windows and doors perform best under pressure so that you can stay comfortable no matter what Mother Nature brings.

Canada

Supreme Window Ratings
Select Window Ratings
Estate Window Ratings
Heritage Window Ratings
Entrance Door Ratings
Patio Door Ratings

US

Supreme Window Ratings
Select Window Ratings
Estate Window Ratings
Heritage Window Ratings
Entrance Door Ratings
Patio Door Ratings