It’s tough to escape summer’s grip, but there are simply ways to reduce how it impacts your energy bill. According to the U.S. Department of Energy, about three-quarters of sunlight shining on a double-paned window enters the home as heat. Closing your window coverings can keep rooms cool and delay your air conditioning from running as frequently. Air conditioning accounts for 12% of a home’s electricity use during the summer as we look for ways to stay healthy and comfortable on the hottest days.