Chofu Seisakusho Co., Ltd. manufactures and sells residential appliances in Japan. It offers water heaters, such as oil-fired/gas-fired/electric water heaters, and oil-fired/gas-fired boilers; bath/kitchen products, including bath units, kitchen units, and bath tubs; air conditioners and heating appliances; and appliances for commercial use. The company also provides eco-friendly appliances comprising co-generation systems, CO2 heat pump water heaters, and solar equipment.