High-Performance Windows

Publication Type:
Fact Sheet

Published / Updated:

If your current windows are double-pane and in good shape it is probably most cost effective to use retrofit measures such as caulking and weather stripping instead of replacing the windows. There are many things to consider when choosing new windows for your home, such as appearance, energy performance, and cost. When purchasing new windows, be sure to check for NFRC labeling, which rates the windows energy performance along with other important information. Download this fact sheet to learn more about window efficiency, retrofitting current windows, and purchasing new windows for your home.

  • retrofitting current windows
  • solar heat gain coefficient
  • U-factor
  • choosing new windows

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