Rinnai Corporation manufactures and sells thermal equipment in Japan, the United States, Australia, China, South Korea, and Indonesia. The company offers water heaters, including hot-water units, bath hot-water units, hot-water and heating units, and gas/solar hybrid hot-water and heating systems; kitchen appliances, such as tabletop stoves, built-in-stoves, ovens, range food, dishwashers, and rice cookers; and air conditioning appliances comprising fan heaters, fan-forced heaters, and infrared heaters. It also provides commercial-use ceramics grills, gas stoves, and rice cookers; and clothes dryers, and infrared burners and parts. The company sells its products under the Rinnai brand. The company was formerly known as Rinnai & Co. and changed its name to Rinnai Corporation in 1971. Rinnai Corporation was incorporated in 1920 and is headquartered in Nagoya, Japan.