Chofukosan

Chofu Kosan is a Japanese manufacturer and trading company specializing in residential equipment and home energy solutions. Drawing on broad market knowledge and technical expertise, it handles products from multiple manufacturers and develops tailored proposals to address customers’ needs, challenges, and practical concerns. Its range includes water heaters, solar power systems, home battery storage, HEMS, and V2H equipment.

The company also manufactures and provides products such as oil-fired water heaters, solar thermal water heaters, warm-water floor heating and snow-melting systems, and residential energy storage systems. Beyond supplying equipment, Chofu Kosan offers solution planning, product information, documentation, and support for inquiries, repairs, and maintenance. It also provides energy-saving proposals for business facilities and pursues product development based on technologies and knowledge built over many years.

The company is researching and developing ways to use hydrogen as a next-generation energy source. With a focus on comfortable, environmentally conscious living and improved home energy independence, Chofu Kosan aims to be a trusted first point of contact for home energy needs