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Energy Efficient Windows, Doors & Skylights
ENERGY STAR-qualified windows, doors, and skylights save you energy and money, increase the comfort of your home, and protect your valuable possessions from sun damage. They are also better for the environment because lowering your energy use means less air pollution from power plants.

ENERGY STAR labeled windows make it possible for consumers to identify efficient windows, doors and skylights. By choosing ENERGY STAR window products, you can cut down your heating and cooling costs and make your home more comfortable at the same time. ENERGY STAR labeled windows are twice as efficient as the average window produced just ten years ago.

In a typical house, over 40% of the annual energy budget is consumed by heating and cooling. Proper selection of windows, doors and skylights can significantly effect how much money we spend or save every year on keeping our homes bright and comfortable.

Save money and energy. Installing ENERGY STAR-qualified windows lowers energy bills and saves you money over single-paned and even new double-paned, clear-glass windows.

More than just dollar savings. ENERGY STAR-qualified windows protect from the winter cold and summer sun, while also reducing condensation and interior fading.

What makes a window, door, or skylight energy-efficient? Thanks to a host of new technologies, ENERGY STAR-qualified windows, doors, and skylights keep your home cooler in the summer and warmer in the winter, making you more comfortable.

Purchasing tips to help you buy with confidence. Every ENERGY STAR-qualified window, door, and skylight is independently certified to perform at levels that meet or exceed strict energy efficiency guidelines set by the U.S. Department of Energy.

Energy-saving tips. Proper installation, orientation, tree planting, and home sealing can help you save even more energy and money!



Here Is What Makes Windows, Doors & Skylights Energy Efficient?







To learn more about energy efficient windows check out these informative fact sheets from The National Fenestration Rating Council (NFRC)

Facts About Buying New Energy Efficient Windows

Facts About Windows & Heat Loss

Facts About Solar Heat Gain & Windows

Or visit the Efficient Windows Collaborative.