6: Efficient Operation7: Thermostat Settings8: Programmable Thermostat9: Inspection10: Keep Registers Clean11: Trapped Air12: Pipe Insulation13: Inspect Ducts14: Duct Insulation
16: Reflectors17: Heat Flow18: Unused Rooms19: Air Conditioners20: Lower the Thermostat21: Maintain Humidity Levels22: Ceiling Fans23: Curtains24: ENERGY STARClean or replace filters for your hot-air furnace and heat-pump every month during the heating season or use filters made to run six to 12 months before needing replacement.
