Navien NHB Condensing Heating Boiler
See your exact payment → · How financing works
The Navien NHB is a compact wall-hung heat-only condensing boiler with stainless steel primary and secondary heat exchangers and 95% AFUE. It is our best-value choice for radiator, baseboard and in-floor heating, and every price includes standard installation by our TSSA-certified gas technicians, who specialize in hydronic heating across Toronto and the GTA.
- ✓ Standard installation included in every price
- ✓ 95% AFUE on every size
- ✓ Heat-loss sizing, so your boiler matches your home, not your old unit
- ✓ 1-year labour warranty, plus the manufacturer's warranty
- ✓ Financing available, with no upfront payment options
⭐ Where the NHB Fits
We install three boiler brands. Each one is a good boiler; they differ in price and features:
Navien
Lowest installed price. This page: NHB heat-only. For heat and hot water see the NCB-H combi.
NTI
Canadian-made and well known. The choice most of our customers make. See the TRX Series II.
Compare installed prices for every brand in our Boiler Replacement Cost Toronto guide.
📏 Choose Your NHB Size
| Model | Best for | Heating output (net AHRI) | Turndown |
|---|---|---|---|
| NHB-055 | Condo / small home | 44,000 BTU/h | 7:1 |
| NHB-080 | Small to medium home | 64,000 BTU/h | 10:1 |
| NHB-110 | Medium home | 89,000 BTU/h | 11:1 |
| NHB-150 | Large home | 120,000 BTU/h | 15:1 |
Home size is a guide only. We confirm the right model with a heat-loss calculation before installation.
💡 Need hot water too? The NHB is heat-only. Pair it with an indirect tank, or choose the Navien NCB-H combi for heat and hot water in one unit.
🔥 Key Features
- ✓ Stainless steel primary and secondary heat exchangers
- ✓ 95% AFUE condensing efficiency
- ✓ Turndown up to 15:1 (NHB-150) for steady temperatures and less cycling
- ✓ Compact wall-hung design that frees up mechanical room space
- ✓ Flexible venting: 2" up to 65 ft or 3" up to 150 ft (PVC, CPVC, PP or special gas vent type BH)
- ✓ ½" gas pipe capability up to 24 ft (subject to local codes)
- ✓ Cascade compatible for larger heating loads
- ✓ Works with radiators, baseboard, radiant floors and hydronic air handlers
📸 Our Navien Boiler Installations
🔧 What Standard Installation Includes
- ✓ Delivery of your new boiler
- ✓ Removal of your old boiler
- ✓ Wall mounting and connection to your existing heating system
- ✓ Gas, venting and condensate drain connections
- ✓ Startup, commissioning and controls setup
- ✓ 1-year labour warranty and warranty registration
A high-efficiency to high-efficiency replacement typically needs no extras. Added accessories (pumps, feeder valve, backflow preventer, air or dirt separator), new venting over 20 ft, extra plumbing or difficult access are quoted separately. See what can add to the cost.
This boiler is sold with installation only. Please contact us before checkout so we can confirm the right size and any extras for your project.
📋 Technical Specifications
| Model | NHB-055 | NHB-080 | NHB-110 | NHB-150 |
|---|---|---|---|---|
| Heating input (BTU/h) | 8,000–55,000 | 8,000–80,000 | 10,000–110,000 | 10,000–150,000 |
| Heating capacity (BTU/h) | 51,000 | 74,000 | 102,000 | 138,000 |
| Net AHRI rating (BTU/h) | 44,000 | 64,000 | 89,000 | 120,000 |
| Turndown | 7:1 | 10:1 | 11:1 | 15:1 |
| AFUE | 95% | 95% | 95% | 95% |
| Weight (lb) | 73 | 73 | 80 | 80 |
All models: wall-hung, condensing, stainless steel heat exchangers; ¾" NPT gas inlet; 1" heating supply and return; 2" venting up to 65 ft or 3" up to 150 ft. Source: navieninc.com NHB product pages and NHB QuickFacts.
Documents: Navien NHB Brochure (PDF)
🛡️ Warranty
- ✓ Heat exchanger: manufacturer's warranty
- ✓ Parts: 5 years
- ✓ Labour: 1 year from Bison Air
🏆 Why Buy Your NHB from Bison Air
- ✓ TSSA Certified HVAC Contractor
- ✓ Fully Licensed & Insured HVAC Technicians
- ✓ Navien is our best-value boiler line, installed with the same care as every brand
- ✓ Hydronic specialists: boilers, radiant, snow melt and air handlers
- ✓ Clean, organized copper and PEX installations
- ✓ 1-year labour warranty on every installation
🔗 Related
- ✓ Boiler Installation Toronto
- ✓ Boiler Replacement Cost
- ✓ All Boilers & Combi Boilers
- ✓ Navien NCB-H Combi Boiler
- ✓ Navien NFB Fire-Tube Boiler
- ✓ Indirect Hot Water Tank
- ✓ Radiant Floor Heating
- ✓ HVAC Financing
📍 Areas We Serve
Navien NHB 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
🔥 Get Your Navien NHB Quote
Tell us about your home or building and current boiler. We will confirm the right NHB size and give you a clear written price.
or fill out our form for a free consultation · Serving Toronto & the GTA
You have a Budget. We have a payment plan to match it.
Apply for financing up to $100,000. Find out if you pre-qualify in seconds. No obligation, no commitment: make your purchase more affordable with an easy monthly payment plan through Financeit. Choose 0% APR for 3 months or 9.99% over 60 months.