Rinnai America Corporation, the #1 brand for Tankless Water Heaters in North America, manufactures and distributes innovative and energy-efficient gas products. Rinnai’s expanded product portfolio for water and home heating needs, consists of: condensing gas Boilers, Direct Vent Wall Furnaces, Vent-Free Fan Convector heaters, Inferred Heaters (Commercial and Residential), Hydronic Air Handler, and a commercial tankless and boiler products.