A. O. Smith Corporation engages in the manufacture and sale of water heating equipment and electric motors for the residential, commercial, and industrial end markets in the United States and internationally. The company operates through two segments, Water Products and Electrical Products. The Water Products segment manufactures and markets a line of residential gas and electric water heaters; standard and specialty commercial water heating equipment for restaurants, hotels and motels, laundries, car washes, and small businesses; copper-tube boilers; water treatment products; and water systems tanks. This segment sells its products through independent wholesale plumbing distributors, as well as through retail channel. The Electrical Products segment offers hermetic motors for air conditioning and commercial refrigeration compressors; and fractional horsepower fan motors for use in furnaces, air conditioners, and blowers. It also provides fractional horsepower motors for pumps for home water systems, swimming pools, hot tubs, and spas, as well as for garage door openers; and integral horsepower AC and DC motors for industrial and commercial applications.