Chofu Seisakusho Co., Ltd., together with its subsidiaries, manufactures and sells home appliances in Japan, Europe, North America, and Oceania. The company offers water heaters products, including oil water heater, oil bath heater, gas water heater, gas bath heater, electric water heater, and EcoCute; air conditioning equipment, such as oil stove, gas stove, hot water heating system, geothermal heat pump, and snow melting system; and system products comprising system bathroom, artificial marble bathtub, and system kitchen. It also provides solar equipment, which includes solar water heater, solar hot water system, solar underfloor ventilation fan, and photovoltaic and solar thermal hybrid module; kitchen-related products; agriculture-related equipment; and centralized control system. In addition, the company is involved in engineering services, such as proposing, designing, and constructing energy-efficient thermal energy supply systems; maintenance of central heating systems; construction of oil and gas equipment and maintenance of various systems; and software development and sales. It exports its products. The company was incorporated in 1950 and is headquartered in Shimonoseki, Japan.