Boilers & Combi Boilers (Hydronic Heating Systems)
Boilers and combi boilers in Toronto, supplied and installed by Bison Air. We install high-efficiency condensing boilers from NTI, Navien and Viessmann across Toronto and the GTA, sized to your home and installed by TSSA-certified gas technicians who specialize in hydronic heating. Every price above includes standard installation.
Want to compare costs first? See real installed prices in our Boiler Replacement Cost Toronto guide.
- ✓ Standard installation included in every listed price
- ✓ TSSA-certified gas technicians, licensed, insured and specialized in hydronic heating
- ✓ Heat-loss sizing, so your boiler matches your home, not your old unit
- ✓ 1-year labour warranty on every installation, plus the manufacturer's warranty
- ✓ Financing available, with no upfront payment options
⚖️ Boiler or Combi Boiler: Which Do You Need?
| Heat-only boiler | Combi boiler | |
|---|---|---|
| What it does | Heats radiators, baseboard or radiant floors | Heats your home and makes on-demand hot water |
| Hot water | Separate tank (an indirect tank is the best match) | Built in, no tank needed |
| Best for | Larger homes, 2+ bathrooms, big tubs | Condos and homes with 1 to 2 bathrooms |
| Space | Boiler plus tank | One wall-hung unit, frees up space |
| Typical upgrade | Old boiler replaced with a condensing boiler | Old boiler and rented water tank replaced with one unit |
Learn more: Boiler Installation Toronto · Combi Boiler Installation Toronto
🏷️ Choose Your Boiler: Value, Most Popular or Premium
Navien
Reliable condensing boilers and combis at the lowest installed price.
- ✓ Navien NHB: heat-only condensing boiler
- ✓ Navien NCB-H: combi boiler for heat and hot water
- ✓ Navien NFB: fire-tube boiler, residential and commercial sizes
- ✓ Navien NFC-H: fire-tube combi boiler
NTI
Canadian-made and well known. The choice most of our customers make.
- ✓ NTI TRX Series II: heat only or combi, our go-to for most homes
- ✓ NTI FTVN Series II: fire-tube boiler, heat only or combi
- ✓ NTI TFTN: premium, sizes up to light commercial
- ✓ NTI Trin & Stor: stainless indirect water heater
Viessmann
German engineering for homeowners who want the top tier.
- ✓ Viessmann Vitodens 100-W: heat only (B1HE) or combi (B1KE)
- ✓ Viessmann Vitodens 200-W: premium heat-only boiler
- ✓ Viessmann Vitocell 300-V: indirect water heater
💡 Not sure which model? The right boiler depends on your heat loss, your hot water use and your existing piping. We recommend a model after we see your home, and we never size by the old unit alone.
📸 Recent Boiler Installations
🔥 What Our Boilers Work With
- ✓ Radiators and baseboard heating, including older Toronto homes
- ✓ Radiant floor heating
- ✓ Hydronic air handler systems for forced-air heat and central AC
- ✓ Heated driveways and snow melt systems
- ✓ Commercial and multi-unit buildings
🔧 What Standard Installation Includes
- ✓ Removal of your old boiler
- ✓ Installation of the new boiler, connected to your existing heating system
- ✓ Startup, commissioning and controls setup
- ✓ 1-year labour warranty and warranty registration
Extra work such as new venting over 20 ft, replacing pumps or valves, or re-piping is quoted separately and listed on your written quote. See what can add to the cost.
🏆 Why Buy Your Boiler from Bison Air
- ✓ TSSA Certified HVAC Contractor
- ✓ Fully Licensed & Insured HVAC Technicians
- ✓ Hydronic specialists: boilers, radiant, snow melt and air handlers
- ✓ Transparent installed pricing on every model
- ✓ Clean, organized copper and PEX installations
- ✓ 1-year labour warranty on every installation
🔗 Related Heating Services
- ✓ Boiler Installation
- ✓ Combi Boiler Installation
- ✓ Boiler Replacement Cost
- ✓ Commercial Boiler Installation
- ✓ Radiant Floor Heating
- ✓ Hydronic Air Handlers
- ✓ Heated Driveway & Snow Melt
- ✓ HVAC Financing
📍 Areas We Serve
Boiler and combi boiler installation throughout Toronto and the GTA:
Toronto · North York · Scarborough · Etobicoke · Vaughan · Markham · Richmond Hill · Aurora · Newmarket · East Gwillimbury · King City · Stouffville · Mississauga · Brampton · Oakville · Milton · Burlington · Barrie · Innisfil · Orillia · Bradford · Keswick · Ajax · Pickering · Whitby · Oshawa · Orangeville
🔥 Need Help Choosing the Right Boiler?
Tell us about your home and current heating system. We will recommend the right NTI, Navien or Viessmann model with a clear written price.
or fill out our form for a free consultation · Serving Toronto & the GTA
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