Rinnai 

Rinnai Corporation, established in 1920 and based in Nagoya, Japan, is a leading international company that designs, produces, and distributes a wide range of heating and related products. Its operations extend across multiple global markets, including Japan, the United States, Australia, China, South Korea, and Indonesia. The company's comprehensive product lineup, all marketed under the Rinnai brand, includes various water heating systems such as standalone hot water units, bath water heaters, integrated hot water and heating solutions, and eco-friendly gas/solar hybrid systems. For the kitchen, it provides appliances like cooktops (tabletop and built-in), ovens, ventilation hoods, dishwashers, and rice cookers. Air conditioning products feature fan heaters, forced-air heaters, and infrared heaters. Rinnai also caters to commercial needs with equipment like grills, industrial gas stoves, and large-capacity rice cookers, in addition to offerings for living areas and dressing rooms. Other items encompass clothes dryers, infrared burners, and components. The firm was originally known as Rinnai & Co. before adopting its current name, Rinnai Corporation, in 1971.