6: Efficient Operation7: Thermostat Settings8: Programmable Thermostat9: Inspection10: Keep Registers Clean11: Trapped Air12: Pipe Insulation13: Inspect Ducts14: Duct Insulation15: Filter Replacement
17: Heat Flow18: Unused Rooms19: Air Conditioners20: Lower the Thermostat21: Maintain Humidity Levels22: Ceiling Fans23: Curtains24: ENERGY STARRadiators can lose heat into exterior walls. Reduce this loss by placing reflectors between the wall and the radiator.
