Tips for Energy Efficient Windows

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Having energy efficient windows can save you 10% to 25% on your heating bill in the winter. If your home has single-pane windows, installing new double-pane windows with high-performance glass will improve yourhome’s energy performance.

In colder climates, select windows that are gas filled with low emissive (low-e) coatings on the glass to reduce heat loss. In warmer climates, select windows with spectrally selective coatings to reduce heat gain. Get more information on how to choose energy efficient windows.

If you decide not to replace your windows, the simpler, less costly measures listed below can improve their performance.

Cold-Climate Energy Efficient Window Tips

During the winter, you want to seal air leaks around windows:

  • Use a heavy-duty, clear plastic sheet on a frame or tape clear plastic film to the inside of your window frames during the cold winter months. Remember, the plastic must be sealed tightly to the frame to help reduce air leaks.
  • Install tight-fitting, insulating window shades on windows that feel drafty.
  • Close your curtains and shades at night; open them during the day.
  • Keep windows on the south side of your house clean to let in the winter sun.
  • Install exterior or interior storm windows. Storm windows can reduce heat loss through the windows by 25% to 50%. Make sure the storm windows have weather-stripping at all moveable joints, are made of strong, durable materials, and have interlocking or overlapping joints. Low-e storm windows save even more energy.
  • Repair and weatherize your current storm windows, if necessary.

Warm-Climate Energy-Saving Window Tips

During the summer, sun shining through windows causes your air conditioner work two to three times harder. Here are ways to keep out some of that sun:

  • Install white window shades, drapes, or blinds to reflect heat away from the house.
  • Close curtains on south and west facing windows during the day.
  • Install awnings on south and west facing windows.
  • Apply sun-control or other reflective films on south-facing windows to reduce solar gain.

MyFreeWindowQuotes.com educates and informs you about all the aspects of vinyl windows and gives you the opportunity to get a free online quote.

Updated: August 17, 2013 — 3:36 am

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