Viessmann Vitodens 100-W Boiler & Combi – B1HE / B1KE
See your exact payment → · How financing works
The Viessmann Vitodens 100-W is a German-engineered wall-hung condensing boiler, available as a heat-only boiler (B1HE) or a combi boiler (B1KE) for heat and on-demand hot water. Every model is rated 95% AFUE, 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 model
- ✓ 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 Vitodens 100-W Fits
We install three boiler brands. Each one is a good boiler; they differ in price and features:
NTI
Canadian-made and well known. The choice most of our customers make. See the TRX Series II.
Viessmann
German engineering, top tier. This page: Vitodens 100-W. For the top model see the Vitodens 200-W.
Compare installed prices for every brand in our Boiler Replacement Cost Toronto guide.
📏 Choose Your Vitodens 100-W Size
| Model | Type | Best for | Net AHRI output | Hot water (77°F rise) |
|---|---|---|---|---|
| B1HE-85 | Heat only | Small homes | 70 MBH | Indirect tank |
| B1HE-120 | Heat only | Small to medium homes | 98 MBH | Indirect tank |
| B1HE-150 | Heat only | Large homes | 123 MBH | Indirect tank |
| B1HE-199 | Heat only | Very large homes | 163 MBH | Indirect tank |
| B1KE-120 | Combi | Medium homes | 98 MBH | 3.3 GPM |
| B1KE-199 | Combi | Very large homes | 163 MBH | 4.7 GPM |
Home size is a guide only. We confirm the right model with a heat-loss calculation before installation.
💡 Heat only or combi? Choose a B1KE combi for heat and hot water from one unit. Choose a B1HE heat-only boiler with a Viessmann Vitocell indirect tank for larger homes, more bathrooms or big tubs.
🔥 Key Features
- ✓ 95% AFUE on every model
- ✓ Modulation up to about 10:1 (natural gas) for steady temperatures and less cycling
- ✓ Heat-only (B1HE) or combi (B1KE) versions
- ✓ Natural gas or propane
- ✓ Flexible venting: coaxial, two-pipe or single-pipe, up to 198 ft equivalent length on smaller models (see Viessmann venting instructions)
- ✓ Works with radiators, baseboard, radiant floors and hydronic air handlers
📸 Our Viessmann 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
- ✓ Domestic water connections (B1KE combi)
- ✓ 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 | B1HE-85 | B1HE-120 | B1HE-150 | B1HE-199 | B1KE-120 | B1KE-199 |
|---|---|---|---|---|---|---|
| Input, natural gas (MBH) | 8.5–85 | 12–120 | 15.5–150 | 19.9–199 | 12–120 | 19.9–199 |
| Output, natural gas (MBH) | 8–80 | 11–113 | 14–141 | 18.5–187 | 11–113 | 18.5–187 |
| Net AHRI rating (MBH) | 70 | 98 | 123 | 163 | 98 | 163 |
| AFUE | 95% | 95% | 95% | 95% | 95% | 95% |
| Hot water (77°F rise) | – | – | – | – | 3.3 GPM | 4.7 GPM |
| Weight (lb) | 108 | 108 | 179 | 179 | 110 | 190 |
| Heating connections | ¾" NPT | ¾" NPT | 1" NPT | 1" NPT | ¾" NPT | 1" NPT |
All models: ¾" NPT gas connection; natural gas or propane. Ratings at 140°F supply / 120°F return. Source: Viessmann Vitodens 100-W Technical Data Manual.
Documents: Vitodens 100-W Flyer (PDF) · Technical Data Manual (PDF) · Installation and Service (PDF)
🛡️ Warranty
- ✓ Heat exchanger: manufacturer's warranty
- ✓ Parts: 5 years
- ✓ Labour: 1 year from Bison Air
🏆 Why Buy Your Vitodens 100-W from Bison Air
- ✓ TSSA Certified HVAC Contractor
- ✓ Fully Licensed & Insured HVAC Technicians
- ✓ Viessmann is our premium boiler line, for homeowners who want the top tier
- ✓ 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
- ✓ Combi Boiler Installation
- ✓ Viessmann Vitodens 200-W
- ✓ Viessmann Vitocell Indirect Tank
- ✓ Hydronic Air Handlers
- ✓ HVAC Financing
📍 Areas We Serve
Viessmann Vitodens 100-W 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 Viessmann Vitodens 100-W Quote
Tell us about your home or building and current boiler. We will confirm the right Vitodens 100-W 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.