ENERGY STAR® is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy designed to help homeowners save money and protect the environment through energy efficient products and practices. ENERGY STAR certified products have helped Americans save $16 billion on their utility bills.

Harvey is proud to offer a wide range of ENERGY STAR certified products, from windows with special glazing to insulated front doors. For the average New England home, replacing single-pane windows with ENERGY STAR windows can save up to $366 a year; that’s an energy savings that really add up! And the more projects you do, the more you save. Explore and learn more about the ENERGY STAR U-factor, SHGC or VT values for your region and find out what makes a window energy efficient.

The NFRC Label

This label can be found on all ENERGY STAR qualified windows, provides performance ratings in a number of categories:

  • U-Factor measures how well a product prevents heat from escaping a home or building. U-factor ratings generally fall between 0.20 and 1.20. The lower the U-factor, the better a product is at keeping heat in. U-factor is particularly important during the winter heating season.
  • Solar Heat Gain Coefficient (SHGC) measures how well a product blocks heat from the sun. SHGC is expressed as a number between 0 and 1. The lower the SHGC, the better a product is at blocking unwanted heat gain.
  • Visible Transmittance (VT) measures how much light comes through a product. VT is expressed as a number between 0 and 1. The higher the VT, the higher the potential for daylighting.

Still Have Questions

If you still have questions you can always contact us for an answer. Most window questions can be answered in our helpful Window Buyers Guide.

  • Energy Star Climate Zones

We have always believed that the best way to improve your home with high quality building products is to have them installed by experienced professionals.

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