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ENERGY STAR is a dynamic government/industry partnership that makes it easy for businesses and consumers to save money and protect the environment.

ENERGY STAR is an international symbol of energy efficiency. ENERGY STAR qualified windows are tested and certified by an independent, accredited agency. Products qualify for ENERGY STAR based on either their U-value or their Energy Rating. As well, windows must achieve at least an A2 rating for air tightness.

Energy Efficiency windows
Windows may qualify for the ENERGY STAR label in one or more ENERGY STAR climate zones. It's important that you select replacement windows that are ENERGY STAR qualified for your region.

Canada has been divided into four climate zones based on annual average temperature (Ontario - Zone B).

Learn more about the ENERGY STAR® in Canada.

Want more from your replacement windows?

Windows with standard glass can’t achieve the ratings necessary to qualify for ENERGY STAR labeling. An ENERGY STAR qualified window will have many of the following features:
  • double or triple glazing with a sealed insulating unit
  • Low-E glass
  • inert gas such as argon or krypton in the sealed unit
  • low conductivity or "warm edge" spacer bars
  • insulated frames and sash
ENERGY STAR label does not make the product more costly. Consumers will save money on their utility bills over the long term.

If you want to replace your old windows, select replacement windows that are engineered and manufactured for superior energy efficiency and comfort — windows that are durable and offer easy operation, low maintenance and beauty.

Energy-efficient replacement windows will:
  • reduce your home energy costs by 7 to 12 percent
  • reduce or eliminate cold drafts
  • collect less condensation
  • reduce noise from outside

Windows Doors Replacement is proud to offer ENERGY STAR qualified vinyl replacement windows and our commitment to you — to ensure that your new vinyl replacement windows make your home more comfortable and help reduce your home heating and cooling costs.

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