|Company history||Product history|
|1954||Chofu Seisakusho Co., Ltd. was established in Chofu-samuraimachi, Shimonoseki with a capital of 5 million yen.||Started production of agricultural machinery.
|1960||Developed kerosene-fired burner for drying rice/wheat in husk (this product prompted Chofu's later growth).
|1963||Completed Tochigi plant.||Developed hot water boilers for residential use and advanced into the field of home appliances.|
|1965||Adopted a system of direct sales network with retail stores.||Started production of space heaters.|
|1966||Started production of bath water heaters and kerosene space heaters.|
|1968||Discontinued production of agricultural machinery.|
|1969||Yoneo Kawakami became company president.|
|1970||Made a 3-year plan targeted to achieve 1972 sales of 10 billion yen.
Developed the industry-first instantaneous kerosene boilers.
|1972||Advanced into the field of air conditioners.
|1973||Completed Head Office plant in Ogimachi.
|1976||Completed Shiga plant.
||Started production of residential-use air conditioners.|
|1977||Opened Morioka sales office.||Started production of forced flue fan heaters.|
|1979||Listed on Hiroshima Stock Exchange.||Started production of solar powered water heaters and electric water heaters.
|1980||Completed Kagawa plant.||Started production of kerosene-fired fan-driven space heaters.|
Completed Utsunomiya plant in Kiyohara.
|Started production of gas-fired bath water heaters.|
|1983||Opened Tokyo and Osaka sales offices.||Started production of gas-fired heaters with reheating function.|
|1985||Opened Nagoya and Chiba sales offices.|
|1986||Opened Yokohama sales office.||Started production of kerosene-fired water heaters with direct connection to tap water.|
|1987||Yoneo Kawakami became chairman and Tadao Fukuzumi became president.|
Started production of artificial marble bathtubs.
|1991||Started production of system bathrooms.(YUMERIA)|
|1992||Opened Sendai sales office.|
|1994||Completed new office building at Head Office.|
|1995||Opened Okinawa and Kanazawa sales offices.|
|1996||Head Office plant acquired ISO9001 certification.
Listed on 2nd Section of Osaka Stock Exchange.
Opened Fukuoka and Okayama sales offices.
|1997||Utsunomiya plant acquired ISO9001 certification.
Opened Omiya and Hiroshima sales office.
Listed on 2nd Section of Tokyo Stock Exchange.
Yasuo Kawakami became president.
|Started sales of system kitchens.(YUMERIA)
|1998||Completed Head Office R&D center.
Listed on 1st Section of Tokyo Stock Exchange and 1st Section of Osaka Stock Exchange.
|Started production of solar-powered under-floor ventilators and bathroom ventilating dry heaters.|
|1999||Started production of kerosene-fired water-heater-bathtub combination with fully-automatic self-cleaning features.|
|2000||Started production of solar water heaters.
Started sales of solar power generation systems.
|2002||Started production of hybrid air conditioners with hot water floor heating, and CO2 heat pump water heaters.(ECO CUTE)|
|2003||Head Office plant acquired ISO14001 certification.
Shiga plant acquired ISO9001 certification.
|Started production of gas engine-driven cogeneration systems.(ECO WILL)|
Opened Tokyo branch office.
|2007||Acquired all shares of Sunpot Co., Ltd.(currently a consolidated subsidiary).||Started production of high-efficiency oil-fired water heaters. (ECO FEEL)|
|2008||Started production of hybrid solar water heater systems.(ENE WAITER)|
|2009||Started production of heat pump hot-water heating systems(ENE FLOW), heat pump under-floor air conditioners, and fuel cell cogeneration systems.(ENE FARM)|
|2010||Started production of high-efficiency gas-fired bath water heaters.(ECO JOZU)|
|2011||Started production of 24-hour desiccant ventilation systems.|
|2012||Yasuo Kawakami became chairman and Kazuhiro Hashimoto became president.
Opened Matsumoto sales office.
|2013||Established large-scale photovoltaic power plants.
|2014||Opened Chofu Seisakusho Commemorative Hall, Keiyuen.
||ENE FARM remote-controller received a Good Design Award.
|2015||Opened Fukuoka branch office.
Formed a capital and business alliance with Noritz Corporation.
|2017||Acquired all shares of Osaka-Technocrat Co.,Ltd.|
|2019||Kiyotaka Taneda became president.|