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Rinnai IP120S Heat Only Boiler 120,000 BTU I-Series Plus
Get the Rinnai IP120S installed by 4Most Energy experts. A 120k BTU, 96% efficient powerhouse featuring built-in zoning for maximum savings.
$3,480.00
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At 4Most Energy, we proudly serve homeowners across the GTA and surrounding areas, delivering reliable heating solutions that combine efficiency, performance, and professional installation. The Rinnai IP120SN Heat-Only Boiler is designed for homeowners who want dependable warmth while keeping energy costs under control.
With a heating capacity of 120,000 BTU, this unit is a powerful choice for homes with greater heating demands. Powered by natural gas and equipped with advanced condensing technology, it captures more heat from every unit of fuel. A modulating burner automatically adjusts output, ensuring consistent comfort while minimizing wasted energy.
Applications in Ontario Homes
- Homes 2,500–3,500+ sq. ft. – Reliable performance for larger homes with higher heating needs.
- Families with 4–5 bathrooms or higher hot water demand when paired with an indirect water heater.
- Versatile heating compatibility – Supports radiant in-floor heating, panel radiators, baseboard systems, or hydronic air handlers.
- Ideal for suburban GTA properties that require both comfort and capacity.
Why Choose 4Most Energy in the GTA
When you trust 4Most Energy, you’re getting more than just a boiler, you’re investing in peace of mind:
- 1-year labour warranty included with every installation
- Flexible financing options from 1 to 20 years
- Expert installation by licensed professionals—done right the first time
- Local service and support across Toronto and the surrounding areas
Key Benefits
Key Benefits of the Rinnai IP120S
- Heat-Only Design – Dedicated to central heating; pair with an indirect water heater for domestic hot water.
- High Efficiency – Up to 95% AFUE, lowering fuel costs and emissions.
- Smart Comfort – Modulating burner adapts to your home’s real-time heating needs.
- Durability – Lifespan of 15–20 years with proper maintenance and professional installation.
- Warranty Coverage – 12-year heat exchanger warranty, 5-year parts warranty, plus 1-year labour warranty from 4Most Energy.
FAQs Rinnai IP120SN
FAQs — Rinnai IP120SN I-Series Plus
What home size is the Rinnai IP120SN best suited for?
The Rinnai IP120SN delivers 120,000 BTU of heating capacity—ideal for medium-to-large homes (2,500–4,000 sq. ft.) across Ontario. 4Most Energy technicians verify proper sizing with a full heat-loss calculation before installation.
Can the IP120SN also provide domestic hot water?
The IP120SN is a heat-only boiler, designed for central heating only. To supply hot water, it must be paired with an indirect water heater, which uses the boiler’s heat to produce domestic hot water efficiently.
What types of heating applications can it support?
The I-Series Plus supports all standard hydronic systems including radiant in-floor heating, baseboards, panel radiators, and hydronic air handlers. It’s an excellent fit for both retrofit and new installations.
What kind of maintenance does the Rinnai IP120SN require?
Annual boiler maintenance is recommended to ensure efficiency and reliability. This includes cleaning the heat exchanger, checking combustion settings, and flushing the condensate system. 4Most Energy offers maintenance plans and annual service reminders to keep your system running at peak performance.
What warranty coverage comes with the IP120SN?
Rinnai provides a 12-year heat exchanger warranty and a 5-year parts warranty. Every professional installation by 4Most Energy also includes a 1-year labour warranty for complete peace of mind.
Are replacement parts easily available in Ontario?
Yes — Rinnai parts are readily available through local Ontario distributors, ensuring quick access for maintenance or repairs. 4Most Energy keeps a direct supply chain to reduce downtime and provide prompt after-sales support.
Installation
Installation Price Range
Professional installation typically costs $1,900–$3,000, covering all labour and installation materials required for a proper setup. Equipment, pumps, or additional devices are not included. With 4Most Energy, you get peace of mind knowing your system is installed correctly for long-term performance and efficiency.
Installation Procedure
At 4Most Energy, we make boiler installation simple, transparent, and professional—no hidden costs or surprises. To provide an accurate installation cost, we ask you to fill out an installation inquiry form. Our boiler experts review your existing situation, collect all relevant data, and then provide a precise estimate tailored to your home.
Our standard installation includes:
- Plumbing and gas piping
- Ventilation setup
- Drain system connection
- Power hook-up
- Controller setup and calibration
- Full commissioning to manufacturer stan
