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, the seal may need replacing, or you might consider buying a new unit.
be sure to place the faucet lever on the kitchen sink in the cold position when using small amounts of water. placing the lever in the hot position uses energy to heat the water even though it may never reach the faucet.
wash and dry full loads. if you are washing a small load, use the appropriate water level setting.
dry towels and heavier cottons in 