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The Rinnai I-Series Plus IP120199C is a premium combi boiler delivering 120,000 BTU/h for central heating and an impressive 199,000 BTU/h for domestic hot water. Engineered for Ontario’s demanding climate, it provides reliable comfort for homes up to 3,500+ sq. ft. with 4–5 bathrooms.
This ENERGY STAR® certified unit combines compact design, high efficiency, and advanced smart technology—perfect for families needing both powerful heating and ample hot water in a single wall-hung system.
Heating Performance
15,000–120,000 BTU/h central heating range Works with radiant floors, baseboards, radiators, and hydronic air handlers Wide modulation ensures efficiency at low demand and power at peak demand 96% AFUE rating = lower energy bills during Ontario’s long heating season
Domestic Hot Water Capacity 199,000 BTU/h DHW input Delivers up to 9.8 GPM (≈5.1 GPM at 70°F rise) Supports 4–5 bathrooms running simultaneously Handles multiple showers, laundry, and dishwashing with ease
Applications in Ontario Homes
Homes 2,500–3,500+ sq. ft. Families with 4–5 bathrooms or high hot water demand Radiant in-floor heating, panel radiators, baseboard systems, or hydronic air handlers Ideal for suburban GTA properties that require both comfort and capacity
Warranty Protection
12 Years – Heat Exchanger 5 Years – Parts 1 Year – Labor (with HVAC Market professional installation)
The Rinnai IP120199C comes with a 5-year warranty on parts and a 12-year warranty on the heat exchanger, ensuring long-term durability and peace of mind. When purchased through HVAC Near Me, you’ll also receive a 1-year free labour warranty and financing options ranging from 1 to 20 years. Additionally, extended labour warranties are available for added protection.
At 4Most Energy, we offer:



Off-season pricing means the best deals of the year on high-efficiency air conditioners.

Save Big on Lennox Furnaces — Limited Time!
Get a new high-efficiency Lennox furnace with no payments for up to 6 months. Premium comfort, top-tier performance.

Simple estimates, flexible payments, pro installation, and industry-leading warranties.


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