To save energy, wash your clothes in cold water using cold-water detergents when-ever possible.
Wash and dry full loads. If you are washing a small load, use the appropriate water-level setting.
Match the water level and temperature settings on your clothes washer to the size and type of the load. Don't waste water by filling the whole tub for just a few small items.
Energy Star labeled clothes washers use 35-50% less water, and up to two-thirds less energy that conventional washers. The average family can save up to $100 each year in costs by switching to an Energy Star labeled clothes washer.
When shopping for a clothes washer, compare spin speeds. Higher spin speed can result in better water extraction and reduced drying times.
When shopping for a clothes washer, look for the following design features that help clothes washers cut water usage: water level controls, "suds-saver" features, spin cycle adjustment, and large capacity. For double the efficiency, buy an Energy Star unit.