6: Efficient Operation
8: Programmable Thermostat9: Inspection10: Keep Registers Clean11: Trapped Air12: Pipe Insulation13: Inspect Ducts14: Duct Insulation15: Filter Replacement16: Reflectors17: Heat Flow18: Unused Rooms19: Air Conditioners20: Lower the Thermostat21: Maintain Humidity Levels22: Ceiling Fans23: Curtains24: ENERGY STARHealth permitting, set your thermostat to 68 degrees during the day and 60 degrees at night and when no one is home. Each degree over 68 can increase by three percent the amount of energy you use for heating.
