There's that draft of wind again, and this time it was strong. You head toward the thermostat and turn the heat up some more. But that won't solve your problem. According to the Department of Energy (DOE), 25 percent of the energy used to heat and cool buildings goes right out the window. If windows aren't installed properly or aren't made of the right kind of material, you could end up losing a tremendous amount of energy. When installing new windows or window treatments, there are several rather simple environmentally friendly options that can help make a big difference.
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