Expert Boiler Installation in Calgary
Most Calgary boilers fail at 18-22 years. When yours is on the way out, FlameTech replaces it without the cold-snap scramble — heat-loss calc, manufacturer-matched system, full install and commission in a single day for a straight swap.
FlameTech's certified technicians have installed hundreds of boilers throughout Calgary, from compact units for downtown condos to high-capacity systems for sprawling homes in communities like Aspen Woods and Cranston. We handle everything from gas-fired condensing boilers to electric units, matching the right system to your home's specific heating needs.
Considering a heat pump instead? Worth reading our heat pump vs furnace comparison first — the same trade-offs apply to a boiler-vs-heat-pump decision. Need annual upkeep on the new system? See our boiler service page.
When your old boiler finally gives up during a January cold snap, you need fast response from people who answer their phones. Our Calgary-based crew offers priority emergency boiler replacement and installation — no automated messages, no waiting until Monday morning. Monthly financing available via Financeit.
Boiler down in a cold snap? Call now for priority replacement — we stock emergency boiler inventory in Calgary.
Call 587-834-3668“probably the best boiler guy i have ever deal with. figured out the issue right away and he had parts on his van. honestly do not get service like this anymore. Would strongly recommend.”
Brandon Mandel
Calgary · 1 year ago
Why Calgary Homeowners Choose FlameTech for Boiler Installation
From emergency replacements to planned upgrades, our Calgary boiler specialists bring decades of hands-on experience with every major brand and model. We install Viessmann, Navien, Triangle Tube, IBC, Crown, and Weil-McLain — registered with manufacturer warranties on every job. Alberta-licensed gas fitters and Red Seal plumbers on every install.
We've installed systems in everything from 1920s Mount Royal heritage homes to brand-new builds in Cranston. Our truck inventory includes parts for the most common Calgary boiler models, which means we can often complete installations in a single visit instead of ordering parts and coming back next week.
Every installation includes proper sizing calculations based on your home's square footage, insulation levels, and Calgary's −40°C design temperature. Need annual upkeep on the new system? See our boiler service page.
Gas Boiler Installation
We install high-efficiency gas-fired boilers from all major manufacturers, handling gas line connections, venting, and system commissioning to manufacturer specifications.
Electric Boiler Installation
For homes without gas access or as backup heating systems, we install electric boilers with proper electrical connections and safety controls.
Condensing Boiler Systems
These high-efficiency units extract extra heat from exhaust gases, reducing your natural gas bills during Calgary's long heating season.
Combi Boiler Installation
Combination units that provide both space heating and domestic hot water in a single compact system, perfect for smaller Calgary homes and condos.
Hydronic Radiant Systems
We install in-floor radiant heating systems with new boilers, providing even heat distribution throughout your Calgary home.
Boiler Replacement & Upgrades
Complete removal of old units and installation of new systems, including all necessary piping modifications and control upgrades.
What Boiler Replacement Costs in Calgary (2026)
Real numbers from quotes we wrote this month. Every install is sized to your home, so the range is honest — the variables are scope, brand, and existing infrastructure.
Entry — gas, single-stage condensing (~90% AFUE)
**$5,500-$7,500** all-in. Replacement of an existing unit with a like-for-like condensing boiler, re-using compatible gas line and venting. Crown or Weil-McLain entry-tier. Permit, removal, install, commissioning included.
Premium — combi or high-output modulating
**$10,000-$14,000+** all-in. Combi units replacing boiler + hot water tank in one. Larger homes, multi-zone setups, hydronic radiant integration. Viessmann Vitodens 200, IBC HC series, Triangle Tube Prestige Excellence.
Common cost adds (real-world)
Gas line upsize $300-$800 · Chimney liner or full re-venting $800-$1,500 · Outdoor reset control $400-$700 · New zone valves or circulators $200-$500 each · Indirect-fired DHW tank pairing $1,200-$2,200. We flag these in writing before the install — no surprises.
Financing
Financeit monthly payments available with soft credit check. Most installs qualify for 6-60 month terms — spreads a $9,000 install into roughly $190/month at 60 months without putting it on a credit card.
When It's Time to Replace, Not Repair
Calgary homeowners call us for boiler replacement when their old systems can't keep up with our brutal winters or when energy bills get too expensive to ignore. If your boiler is over 20 years old or your heating bills keep climbing, it's time for a replacement conversation.
- 01Old cast iron boilers that take forever to heat up and waste gas.
- 02Undersized boilers that run constantly but never get the house warm enough.
- 03Ancient boilers with parts that aren't made anymore.
- 04Systems installed in the 1980s with efficiency ratings under 70%.
- 05Boilers that can't handle Calgary's hard water and scale up quickly — a water softener upstream of any new install protects your investment.
- 06Units that break down every winter when you need them most.
How We Install a Boiler That Lasts
Proper boiler installation is critical in Calgary's climate — a system that's not sized correctly or installed properly will cost you thousands in wasted energy and repairs over its lifespan.
- 01Size the boiler correctly for Calgary's −40°C design temperature, not just mild winter days.
- 02Install a water softener upstream to handle Calgary's hard water and protect the heat exchanger.
- 03Use high-quality expansion tanks sized for the system's water volume.
- 04Install zone controls if you have multiple heating areas in your home.
- 05Schedule annual boiler service starting the year after installation.
- 06Keep the boiler room clear and accessible for service calls.
Site Conditions We Resolve During Install
Undersized Gas Lines
Many Calgary homes have gas lines sized for old, low-input boilers. New high-efficiency units often need larger gas supply lines to operate properly. We assess gas line capacity during the installation quote and upgrade lines when necessary.
Inadequate Venting Systems
Older Calgary homes often have brick chimneys that aren't suitable for modern condensing boilers. These units need plastic venting that can handle acidic condensate. We install proper venting systems that meet current Alberta gas codes and manufacturer requirements.
Hard Water Damage
Calgary's hard water causes scale buildup in boiler heat exchangers, reducing efficiency and causing premature failure. We recommend and install water softener systems during boiler installations to protect your investment from mineral buildup.
Indirect-fired Hot Water Pairing
Pairing your new boiler with an indirect-fired hot water tank uses the same flame for both heating and domestic hot water — typically more efficient than a separate standalone unit. We size and tie in the indirect at install time so the system is one cohesive build, not two.
Calgary Boiler Installation FAQs
How much does boiler installation cost in Calgary?
Typical Calgary residential installs run **$5,500-$12,000 all-in**, depending on tier and scope.
Entry-tier single-stage condensing replacements with compatible existing infrastructure land $5,500-$7,500. Mid-tier modulating condensing (the most common spec — Navien, IBC, or Viessmann) runs $7,500-$10,000. Premium combi or high-output systems run $10,000-$14,000+.
Cost adds: gas line upsize $300-$800, chimney liner $800-$1,500, indirect-fired DHW tank $1,200-$2,200. We flag all of these in writing before install. Financeit monthly payments available to spread the cost.
How long does boiler installation take in Calgary homes?
Most boiler installations take 6-10 hours for a straight replacement, or 1-2 days for complex installations with new piping or electrical work. Calgary's older homes often need additional work like upgrading gas lines or installing new venting systems. We'll give you an accurate timeline after assessing your specific installation requirements.
What size boiler do I need for my Calgary home?
Boiler sizing depends on your home's square footage, insulation levels, ceiling heights, and Calgary's −40°C design temperature. Most Calgary homes need 20-30 BTU per square foot, but older homes with poor insulation may need more. We perform proper Manual J heat-loss calculations instead of just matching your old boiler's size, which may have been wrong to begin with.
Are condensing boilers worth it for Calgary winters?
Yes, in nearly every case. Condensing boilers extract extra heat from exhaust gases, achieving 90-95% efficiency compared to 80-85% for standard units.
In Calgary's long heating season (typically October to April), the extra efficiency saves $300-$600 per year in gas costs on a typical home. Payback on the install premium happens in 5-8 years and the boiler runs another 12+ years after that.
The only times non-condensing makes sense: a temporary install (selling the home soon), or a mechanical room where condensate drainage genuinely can't be routed.
What's the difference between a boiler and a furnace?
A furnace heats air and pushes it through ducts. A boiler heats water and pumps it through pipes to radiators, baseboards, or in-floor radiant loops.
Boilers deliver more even heat (no temperature swings between cycles), are quieter, and pair naturally with hydronic radiant systems and indirect-fired domestic hot water. Furnaces are simpler, work with AC integration, and cost less upfront.
Most Calgary homes built before the 1990s with radiators or baseboards already have boilers and benefit from staying on the same system rather than converting.
Can I convert from a furnace to a boiler in Calgary?
Yes, but it's a major project. Converting requires installing a full hydronic distribution system (pipes, radiators or in-floor tubing, pump, expansion tank) AND a new boiler. Typical conversion cost: $25,000-$60,000+ depending on home size and whether you're going with radiators (lower) or in-floor radiant (higher).
Most conversions only pencil out during major renovations where floors are already opening up. If you're considering it, we'll do an honest assessment of whether the comfort/efficiency gain justifies the cost.
How long do new boilers last in Calgary?
Modern condensing boilers installed and maintained properly last 18-22 years on average in Calgary. Cast iron non-condensing units can run 25-30 years.
The biggest factors in longevity: annual boiler service (combustion check, condensate trap clean, expansion tank verification), water quality (a water softener upstream extends heat exchanger life), and not running at extreme low-load operation that causes excess condensation cycles.
Can you install a boiler in Calgary's winter weather?
Yes, we install boilers year-round, including during Calgary's coldest months. Winter installations require extra care to prevent pipes from freezing during the changeover, but our technicians carry freeze-protection equipment and work quickly to minimise downtime. Emergency winter installations typically take longer due to weather precautions.
Do I need permits for boiler installation in Calgary?
Yes, boiler installations in Calgary require gas permits and often electrical permits if we're upgrading controls or adding new circuits. FlameTech handles all permit applications and city inspections as part of our installation service. We know Calgary's inspection requirements and schedule inspections to avoid delays in getting your system operational.
Monthly Financing Available
Spread the cost into manageable monthly payments.
Spread the cost of your new boiler into flexible monthly payments via our Financeit partner.
Simple, honest, on your schedule.
A boiler isn't a swap-and-go appliance — sized wrong or vented wrong it costs you for the next 20 years. Here's how we keep that from happening.
On-site heat-loss assessment
We measure square footage, insulation, windows, and ceiling heights — then run a Manual J calc against Calgary's −40°C design temp to size the boiler properly. No guessing from the old unit.
Quote + permits in writing
You get the model, AFUE rating, gas line + venting scope, and the all-in price before anything starts. Gas + electrical permits are pulled by us.
Install + gas, vent, condensate
Old unit drained and removed, new boiler hung, gas line and venting upgraded if needed, condensate routed to a neutralizer + drain. Typically a single day for a straight swap.
Commission + walkthrough
Combustion analysis, pressure test, thermostat pairing, and a walk-through of the controls. We register the warranty and book your first annual service.
Real boilers, Calgary homes.
A few recent installs from around Calgary — condensing, combi, and hydronic systems, each sized to the home's heat loss and wired for Alberta winters.
Also under Heating
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Boiler Service Calgary | Expert Boiler Maintenance & Repair
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Boiler Not Working in Calgary — Same-Day Diagnosis + Repair
Boiler dropped pressure overnight? Locked out on a fault code? Pump running but rooms cold? Combi giving heat but no hot water at the taps? Most boiler failures in Calgary trace back to one of a small handful of causes — and the right fix depends on diagnosing which. FlameTech dispatches same-day for boiler-not-working calls, brings common parts on every truck, and most repairs finish in the first visit. Hydronic specialists with 20+ years on Calgary systems.
Where we cover Calgary.
Same-day dispatch across Calgary and Airdrie. Find your neighbourhood for area-specific notes on common builds, hard-water patterns, and the systems we see most.
Get a free boiler install quote.
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