Have questions? Using a screen reader or other assistive technologies? Call an Energy Coach at 1-844-881-9790

All ENERGY STAR® certified windows will come with an ENERGY STAR label. The ENERGY STAR label will include a climate zone map of Canada and indicate which climate zone the window model is certified for.

Refer to the sample label below, and visit Natural Resources Canada for more information about ENERGY STAR windows.

Did you see a building science or energy efficiency term you did not understand? Check out our glossary.