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Replacement windows are one of the best investments you can make in your home. By replacing your home windows you can save monthly on your heating and cooling costs, and add curb appeal with an improved visual appearance.
The beauty of our windows goes far beyond their good looks. They're exceptionally energy-efficient, saving money by helping to lower utility bills. But don't just take our word for it, listen to the experts.
All ATEK windows and patio doors are tested and certified to the National Fenestration Rating Council's standards for U-Factor, Solar Heat Gain Coefficient and Visible Transmittance.
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| The ENERGY STAR program was developed by the US Department of Energy and the US Environmental Protection Agency to help consumers identify products that save energy and, therefore, keep your home more comfortable. All ATEK windows and patio doors, when ordered with the appropriate glass, meet or exceed the ENERGY STAR guidelines. |
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