Frost acts as an insulator, making the refrigerator use more energy to maintain temperature levels. Set the refrigerator to cool to about 36-40 degrees F and set the freezer to 0 degrees F. Clean Refrigerator Condenser Coils at least yearly or more often. Refrigerator Gaskets need to be checked for a tight seal. Close the door on a dollar bill. If you can pull the bill through easily, cold air is escaping and the seals should be replaced.
Automatic Dishwashers operate most efficiently when they have full loads.
Wash Clothes in cold water whenever possible and only do full loads. Clean Dryer Lint Screen after each load to reduce drying time. Dirty filters should be cleaned or replaced. Heat Pumps require annual checkups to maintain peak efficiency. Consider obtaining a service agreement with a licensed air conditioning contractor or dealer to assure peak efficiency of your heat pump.