Brand Origin: Japan
Manufacturer: Rinnai Corporation (Founded 1920)
North American Operations: United States & Canada Distribution

The Rinnai I-Series Plus Combi Boiler is a compact, high-efficiency
heating system designed to provide both space heating and on-demand domestic
hot water from a single wall-mounted unit. Built with advanced condensing
technology and engineered for cold-climate performance, the I-Series Plus
offers dependable comfort, energy savings, and space-efficient installation
for modern homes.

By combining central heating and hot water production into one system,
the Rinnai I-Series Plus reduces equipment footprint while maintaining
high performance and efficiency. Its intelligent controls automatically
adjust output to match heating demand, improving comfort while minimizing
energy consumption.