In addition to the head factory, we added Hawk Hill factory in 2012 and expanded the existing Fujinomiya factory in 2013 to decentralize disaster risk, improve flexibility and increase production capacity. Through collaboration of the three factories, we can achieve excellence in quality and reliability, while optimizing manufacturing processes to obtain maximum efficiency and performance.

Fuji Factory (Head Office)


As the headquarters of PURPOSE, all functions besides R&D are located.
By improving the manufacturing facility layouts, we will further strive for production efficiency.

Hawk Hill Factory


Operation started in February 2012 to manufacture remote controllers and PCBs for water heaters and remote controllers.
The factory is located midway between the Fuji Factory and Eco Best Farm and provides components to both factories.

Eco Best Farm


Eco Best Farm is located 580m (1,900 feet) above sea level, with a total area of 125,000 m2 (134,400 ft2) and started its operation from January 2013.

Two new buildings, R&D building (Technical center) and Factory No.2 were added, enabling us to integrate all the processes from development to manufacturing, ensuring the highest quality products.

Eco Best Farm has adapted green appearance to harmonize with natural surroundings of Mt. Fuji and has a solar power generation system with an annual output of 150,000 kWh.


Consolidated all R&D functions in the Technical Center equipped with state-of-the-art test facilities.


Used energy saving and low environmental impact materials for new buildings and acquired a CASBEE A rank for its eco-friendliness.


Strengthened manufacturing of high efficiency gas condensing water heaters, contributing to environmental conservation by promoting the sales of the condensing water heaters.