Peachtree City, Georgia, Rinnai America has satellite offices in California, Florida, and Texas. Rinnai America operates as a subsidiary of Rinnai Corporation, founded in 1920 and headquartered in Nagoya, Japan.

Worldwide, Rinnai Corporation has 20 branches and 86 sales offices in addition to six domestic production facilities. The corporation maintains an international presence with additional subsidiaries and affiliates in Australia, Brazil, Hong Kong, Indonesia, Malaysia, New Zealand, China, Singapore, South Korea, Taiwan, Thailand, and the United Kingdom.

With a global perspective to create energy-efficent appliances, Rinnai commits itself to the pursuit of comfortable lifestyles through utility savings and safety.