The Rinnai IP090160C combines space heating and domestic hot water into one compact, ENERGY STAR® certified boiler. With 90,000 BTU/h heating and 160,000 BTU/h hot water output, it’s ideal for medium-to-large Ontario homes (2,000–3,000 sq. ft., 3–4 bathrooms).
It ensures reliable comfort during long Canadian winters, while saving energy with a 96% AFUE rating and advanced Smart Sense™ technology that automatically adapts for natural gas or propane.
Heating Performance
15,000–90,000 BTU/h central heating range
Supports radiant in-floor systems, baseboards, radiators, hydronic air handlers
Modulating burner ensures efficiency by matching demand
Outdoor reset controls maintain stable comfort
 Domestic Hot Water
160,000 BTU/h DHW input
Up to 7.9 GPM max flow (≈4.1 GPM at 70°F rise)
Supports 3–4 showers/fixtures running simultaneously
Perfect for Ontario homes with 3–4 bathrooms
Smart Technology
Smart Sense™ Adaptive Gas Valve – NG/LP ready, no conversion kit needed
Smart Connect™ Bluetooth® – app setup with Rinnai Central™
Smart-Circ™ hot water recirculation logic (with pump)
LCD panel for diagnostics, setpoints, zone status
Ideal Applications in Ontario
Homes 2,000–3,000 sq. ft.
3–4 bathrooms
Compatible with radiant floors, radiators, air handlers
GTA-ready: compact installs in basements, closets, utility spaces
Warranty Protection
12 Years – Heat Exchanger
5 Years – Parts
1 Year – Labor (with HVAC Market installation)
4Most Energy provides:
Free shipping across GTA
Certified installation (Toronto, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, Burlington, Hamilton, Whitby, Oshawa, Ajax, Pickering, Newmarket, Aurora)
1-year labour warranty included