Rinnai Heat only Boiler – 90,000 BTU – Model I90SN

The Rinnai I90SN High Efficiency Condensing Heating Boiler is a compact and high-performance heating solution, designed for homeowners seeking reliable heating with optimal energy savings. Perfect for medium-sized homes, this unit provides consistent space heating while maximizing efficiency to help lower energy costs.

With a heating capacity of 90,000 BTU, the I90SN is ideal for homes with moderate heating demands. Its natural gas operation and condensing technology ensure excellent heat transfer, improving overall efficiency and reducing fuel consumption. The modulating burner automatically adjusts its output based on real-time heating needs, ensuring precise comfort while minimizing energy use.

Rinnai is a leader in high-efficiency heating solutions, renowned for producing durable, reliable, and eco-friendly products. The I90SN continues this tradition, offering an impressive 95% AFUE (Annual Fuel Utilization Efficiency) rating, which helps reduce both energy consumption and utility bills. With advanced features like condensing technologyand a modulating burner system, the I90SN ensures maximum efficiency and comfort with minimal fuel waste.

The expected lifespan of the Rinnai I90SN is between 15 and 20 years, depending on installation quality and regular maintenance. Routine maintenance, such as system flushing and descaling, will help extend the unit’s life and keep it running at peak performance.

This Rinnai combi boiler comes with a 5-year warranty on parts and a 12-year warranty on the heat exchanger, offering long-term peace of mind. When purchased through HVAC Fixed, you’ll also receive a 5-year free labour warranty, with financing options available from 1 to 20 years. You can even add an extended labour warranty for extra protection and lasting value. 

Related documents

• Rinnai I-Series Brochure
• Rinnai Warranty
• I-Series Condensing Boiler User Manual