ENERGY STAR helps you meet and exceed energy-efficient standards to make your building or renovation purchases easier and long-lasting. Learn how you can save money, energy and the environment with a simple window replacement.

Learn Ways to Cut Energy Costs
There are many other ways to reduce your energy bills. Here are some tips on how to calculate the savings you'll get by using more energy-efficient windows.
Replacement Windows Savings

Window Performance Comparison Chart Many windows have spacer options, which can make a real difference in performance and comfort. The better the glass edge insulates, the less energy is lost, and the more comfortable it is near the window. As this chart shows, Envirosealed windows with Duralite warm-edge window spacers provide the best performance among available options, whether in new homebuilding or remodeling projects.
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