Consumer appliances account for a significant portion of home energy use. NIST develops testing and rating procedures for residential appliances. Manufacturers use these procedures to determine values such as estimated yearly electricity use and operating cost for appliances. These values are printed on the yellow EnergyGuide labels and enable consumers to compare the efficiency of appliances. The development of new appliance technologies in recent years has created the need to revise test procedures for dishwashers, clothes washers and clothes dryers.

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