Regularly defrost manual-defrost refrigerators and freezers; frost buildup increases the amount of energy needed to keep the motor running. Don't allow frost to build up more than one-quarter of an inch.
Clean the lint filter in the clothes dryer after every load to improve air circulation. Remember to regularly clean the lint from vent hoods, too.
Replacing the seals on your refrigerator is not hard and can make a big improvement in the aplliances efficiency (and appearance). Replacement seals are often available at many home goods store and through the maker of the unit. One tip for using these replacement seals is to warm them before installing, this removes the crimps that often occur from their packaging. A few minutes in the clothes dryer should do the trick.
A pro-rated warranty reduces the amount of reimbursement according to the length of time the item has been in service.
Make sure your refrigerator door seals are airtight. Test them by closing the door over a piece of paper or a dollar bill so it is half in and half out of the refrigerator. If you can pull the paper or bill out easily, the latch may need adjustment or the seal may need replacing.
Check the outside clothes dryer exhaust vent periodically. If it doesn't close tightly, replace it with one that does to keep the outside air from leaking in. This will reduce heating and cooling bills.
Whenever possible, use your microwave instead of the oven. Microwaves use less than half the power of a conventional oven and cook food in about one-fourth the time. Ovens also heat up the kitchen, making your cooling system and refrigerator work harder.
A full refrigerator uses less energy to operate than an empty one.
Cover liquids and wrap foods stored in the refrigerator. Uncovered foods release moisture and make the compressor work harder.
Make sure your refrigerator door seals are air tight. Test them by closing the door over a dollar bill. If you can pull the bill out easilly, the latch may need to be adjusted or the seal may need to be replaced.