Rinnai IP150199C Combi Boiler Large House

The Rinnai IP150199C is one of the most powerful boilers in the I-Series Plus line, designed for larger Ontario homes with 5–7 occupants and 4–5 bathrooms. Delivering up to 150,000 BTU/h for central heating and 199,000 BTU/h for domestic hot water, it ensures reliable comfort and abundant hot watereven during peak demand.

By combining both space heating and on-demand domestic hot water into one compact, ENERGY STAR® certified unit, the IP150199C saves space, simplifies installation, and lowers energy costs. With advanced modulation and smart controls, it automatically adjusts output based on real-time demand, maximizing both comfort and efficiency.
Heating Performance

• 15,000–150,000 BTU/h central heating range
• Ideal for homes 3,500–4,500+ sq. ft.
• Perfect for radiant in-floor heating, baseboards, radiators, and hydronic air handlers
• Advanced modulation ensures efficient heating in mild and extreme winter conditions
• 96% AFUE rating = significant energy savings for Ontario homeowners

Domestic Hot Water Capacity

• 199,000 BTU/h DHW input
• Delivers up to 9.8 GPM (≈5.1 GPM at 70°F rise)
• Easily handles 4–5 bathrooms running simultaneously
• Reliable performance for families with high hot water demand (showers, laundry, dishwasher all at once)

Applications in Ontario Homes

• Homes 3,500–4,500+ sq. ft.
• Families with 5–7 occupants and 4–5 bathrooms
• Perfect for high-demand households that need reliable heat and endless hot water
• Compatible with radiant floors, panel radiators, baseboards, and hydronic air handlers

Smart Technology

• Smart Sense™ Adaptive Gas Valve – seamlessly adjusts between natural gas and propane
• Smart Connect™ Bluetooth® – quick setup and monitoring with the Rinnai Central™ app
• Smart-Circ™ hot water recirculation logic (with pump)
• LCD control panel for system diagnostics, setpoints, and error codes
• Outdoor reset controls with 7 heating curves for optimal efficiency
• Supports up to 4 heating zones for multi-zone Ontario homes

Installation Procedure & Price Range

Installation Procedure & Price Range

At 4Most Energy, we keep things simple, transparent, and professional. Our goal is to give you peace of mind knowing your new boiler or combi system is installed correctly, without hidden costs or surprises.

Our Installation Includes:

• Plumbing and gas piping
• Ventilation setup
• Drain system connection
• Power hook-up
• Controller setup and calibration
• Full commissioning to manufacturer standards
• 1-year labor warranty for added protection

Price Range:
The cost for professional installation is typically $1,900 – $3,000. This covers all labor and installation materials required for a proper setup. Equipment, pumps, or additional devices are not included in this range.

We believe that even the best boiler won’t perform well without quality installation. That’s why every project is reviewed by an expert, confirmed with you over the phone, and carried out by licensed professionals to ensure long-term performance and efficiency.

Warranty

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.