The home-appliance market is a large user of electric motors in both large systems (washers, dryers, refrigerators, HVAC, and dishwashers) and smaller units (mixers, vacuum cleaners, and fans). Many appliances contain multiple motors. A refrigerator, for example, uses motor-controlled dampers to distribute cold air, a water pump valve for the ice maker, one or more fan motors, and a compressor motor. An air-conditioning unit has an internal and external fan motor, a compressor motor, louver controls, perhaps even a motor for an automatic filter cleaner.
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