Rinnai i-Series Combi
Model Number: iSER
WiFi-enabled combi boiler from tankless water heating leader.
Technical Specifications
*Prices include equipment, installation, and standard warranty. Actual cost may vary.
Estimated Annual Savings
Compared to an 80% efficient boiler
$233
per year
$4660
over 20 years
Ideal For
Tech-savvy homeowners in Cape Cods under 2,000 sq ft
Expert Review: Rinnai i-Series Combi
The Rinnai i-Series Combi combines heating and domestic hot water with Japanese precision. At 95% AFUE, this wall-mounted unit eliminates the need for a separate water heater while providing efficient space heating. Perfect for space-conscious Nassau County homes.
Built-in recirculation provides instant hot water. The compact design fits tight basement utility areas.
Our recommendation: The i-Series Combi is ideal for homes under 2,500 square feet wanting combi convenience with Rinnai reliability.
Key Features & Technology
Combi heating and DHW
96% AFUE efficiency
WiFi Control-R app
Compact wall-mount
Built-in scale detection
Advantages
- Same-day parts locally
- WiFi remote control
- PSEG $750 rebate eligible
- Proven tankless heritage
Considerations
- Annual descaling essential
- Surge protector recommended
- Limited to 1-2 bath homes
Warranty & Protection
Parts Warranty
5 years
Heat Exchanger
12 years
Our Guarantee
100% Satisfaction
All Rinnai boiler installations by Home+ Air & Heat include our 1-year workmanship warranty, covering labor and any installation-related issues.
Frequently Asked Questions
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