Rinnai Corporation is a Japan-based manufacturer of gas appliances headquartered in Nagoya. It designs and produces home and commercial equipment such as water heaters and kitchen-related gas appliances, supported by manufacturing and international market operations.

Product scope

Rinnai’s portfolio centers on water heating and gas appliance categories, including systems used for kitchens and domestic hot water, with variations by region.

Markets

The company serves global markets through subsidiaries and partners, supporting product supply, technical information, and customer support for installed equipment.