You can help save energy by following the tips below. l Improve your home�s insulation. Seal all doors and windows. Close the fireplace flue. . Close all blinds and drapes on sunny sides of the house. Add window awnings. l Keep the air filter clean. l Do not block the airflow with drapes or furniture. . Ventilate the attic. High temperatures in the attic add to the air conditioner�s cooling load. l Try not to use heat-producing appliances during the hottest part of the day. . Turn off lights and appliances when they are not needed. l Keep heat registers and cool-air returns closed. l Use exhaust venting fans when cooking, doing laundry, or bathing.