6: Efficient Operation7: Thermostat Settings8: Programmable Thermostat9: Inspection10: Keep Registers Clean11: Trapped Air12: Pipe Insulation13: Inspect Ducts14: Duct Insulation15: Filter Replacement16: Reflectors17: Heat Flow18: Unused Rooms19: Air Conditioners
21: Maintain Humidity Levels22: Ceiling Fans23: Curtains24: ENERGY STARLowering the thermostat 10 to 15 degrees for eight hours a day can save you up to 15 percent a year on your heating bill.
