"The U.S. Department of Energy reports insulated draperies or window treatments can reduce heat loss up to 25% and save the average family approximately $325 each year"
In the Summer......

On hot sunny days, if you keep your drapes shut on windows facing to the south and west you can save 2 to 4 percent on your energy bill!! The drapes will help keep the sun's heat from heating up your house which means you use less energy to stay comfortable.