Boiler Repair Calgary | Expert Heating System Services
Calgary's unforgiving winters demand reliable heating, and when your boiler fails, FlameTech Plumbing delivers the expert repair services you need to restore warmth to your home.
With over 25 years of experience servicing residential and commercial boilers throughout Calgary, our certified technicians understand the intricate mechanics of modern condensing boilers, traditional cast iron systems, and everything in between.
Heating emergencies strike without warning, which is why FlameTech offers priority emergency boiler repair throughout Calgary and surrounding areas. Whether your boiler is cycling erratically during a −30°C cold snap or completely shut down on a Sunday evening, our real technicians answer the phone and dispatch immediately with fully-stocked service vehicles. See our dedicated boiler not working in Calgary page for same-day dispatch and a symptom-by-symptom diagnostic walkthrough.
Smell gas, see water leaking, or hear banging from your boiler? Shut it off at the switch and call us immediately.
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 Repair
Locally owned and operated in Calgary, we specialise in professional boiler repair for homes and businesses across the city. Technical expertise separates professional boiler repair from guesswork, and FlameTech's team brings decades of specialised knowledge to every service call.
Calgary's challenging climate — extreme temperature swings, chinook winds that stress heating systems — requires technicians who understand how weather patterns affect boiler performance. Our team has troubleshot thousands of boiler failures across every Calgary neighbourhood from Kensington to McKenzie Towne.
Need a full system instead? See boiler installation, or read about our annual boiler service program to prevent future failures.
Comprehensive Boiler Diagnostics
Advanced testing protocols identify root causes of boiler malfunctions, including combustion analysis, pressure testing, and electronic control system evaluation to pinpoint issues before costly repairs escalate.
Burner Assembly Repair
Complete burner servicing covers gas valve calibration, flame sensor cleaning, ignition system replacement, and air-to-fuel ratio optimization for efficient, safe combustion in Calgary's varying atmospheric conditions.
Heat Exchanger Service
Professional descaling removes mineral buildup that reduces efficiency, while our technicians inspect for stress cracks and corrosion that develop from Calgary's hard water and temperature extremes.
Pressure and Circulation Issues
Expert repair of expansion tanks, pressure relief valves, circulation pumps, and zone valves restores proper water flow and system pressure throughout your heating zones.
Control System Repair
Thermostat calibration, outdoor reset controls, modulating valve repair, and smart control integration ensure your boiler responds accurately to heating demands while maximizing energy efficiency.
Emergency Safety Shutdowns
Immediate response to boiler lockouts, gas leaks, carbon monoxide concerns, and other safety-related shutdowns that require certified technician intervention to restore safe operation.
Common Boiler Repair Issues in Calgary Homes
Calgary homeowners encounter specific boiler challenges that stem from our unique climate conditions and local water chemistry, requiring experienced diagnosis to resolve effectively. Recognizing these warning signs early prevents complete system failures that leave families without heat during Calgary's harshest weather.
- 01Frequent cycling during chinook temperature swings overwhelms boiler controls designed for steady outdoor temperatures.
- 02Mineral scaling from Calgary's hard water reduces heat exchanger efficiency and blocks circulation pathways.
- 03Condensate drain freezing during extreme cold weather causes system shutdowns and potential water damage.
- 04Pressure loss from expansion tank failure becomes critical when outdoor temperatures plummet rapidly.
- 05Combustion air intake blockage from snow accumulation triggers safety shutdowns during winter storms.
- 06Thermostat sensor drift causes temperature inconsistencies that worsen during Calgary's dramatic weather shifts.
Preventative Boiler Maintenance for Calgary Conditions
Regular maintenance tailored to Calgary's demanding climate conditions prevents expensive emergency repairs while extending boiler lifespan through systematic care of critical components. Professional servicing addresses wear patterns unique to our temperature extremes and prepares heating systems for reliable winter operation.
- 01Annual combustion analysis ensures optimal fuel efficiency and identifies developing issues before they cause system failures during peak heating season.
- 02Descaling heat exchangers removes mineral deposits from Calgary's hard water that restrict heat transfer and increase energy consumption.
- 03Expansion tank inspection prevents pressure-related shutdowns that commonly occur during rapid temperature changes from chinook winds.
- 04Condensate drain flushing eliminates blockages that cause water backup and system shutdowns during freezing weather.
- 05Control system calibration maintains accurate temperature response as sensors drift over time from constant cycling.
- 06Safety device testing verifies proper operation of pressure relief valves, gas shutoffs, and flame sensors that protect your family.
Calgary Boiler Repair Expertise You Can Trust
Twenty-five years of Calgary boiler service has equipped our team with deep understanding of how different boiler designs perform in our climate, enabling accurate diagnosis of complex issues that stump less experienced technicians.
From high-efficiency condensing boilers in new construction to cast iron workhorses in heritage Calgary homes, our technicians service every boiler type installed throughout the city's diverse housing stock. Experience with Calgary's building codes, basement configurations, and utility connections ensures proper repairs that meet local standards while addressing unique installation challenges in older neighborhoods like Hillhurst and newer developments in Cranston.
Calgary's extreme winter conditions and dramatic temperature swings create unique stresses on boiler systems that require specialized knowledge to address effectively. Our team understands why expansion tanks fail more frequently in our climate and how to prevent condensate freezing issues that plague boilers during extended cold spells, ensuring reliable heating performance through Calgary's demanding winter months.
Calgary Boiler Repair — Frequently Asked
Quick answers on cost, timing, and whether your boiler is worth saving. Don't see your question? Call us at 587-834-3668 — we'll talk it through with no pressure.
How much does boiler repair cost in Calgary?
Most Calgary boiler repairs land between $250 and $850, depending on the part and the system. A new circulator pump or igniter is at the lower end; control boards, gas valves, or heat exchanger work cost more. We diagnose first, then give you a written quote before any work begins — so the price doesn't move on you.
Is my boiler worth repairing or should I replace it?
If your boiler is under 12 years old and the repair is under ~50% of replacement cost, fix it. Past 15 years, repeat repairs in one season, or if efficiency has dropped to mid-AFUE — replacement usually wins on running cost alone. We'll show you the math both ways and let you decide.
How long does a boiler repair take?
Most diagnostic calls and common-part replacements (circulator pumps, sensors, igniters, expansion tanks) are same-visit and finish in 1–3 hours. Control board swaps or heat exchanger work can take a half day. We carry parts for every major brand on the truck, so a return visit is the exception, not the rule.
My boiler keeps losing pressure — what's wrong?
Three usual suspects: a slow leak somewhere on the loop, a failing expansion tank, or a stuck pressure-relief valve. Calgary's hard water and chinook freeze-thaw cycles accelerate all three. We pressure-test the system, find the actual cause, and fix it — not just top up the gauge until you call again.
Do you repair every boiler brand?
Yes. Viessmann, Navien, NTI, IBC, Lochinvar, Weil-McLain, Slant/Fin, and older Burnham, Buderus, and cast-iron units. We work on the high-efficiency brands as well as 25+ years of heritage gas-fired systems. If your boiler is gas-fired and lives in Calgary, we've worked on it.
Can you come out today?
For most no-heat calls during business hours, yes. Priority emergency dispatch covers Calgary, Airdrie, Chestermere, Cochrane, and Okotoks. Call us first — we'll confirm a window before the truck leaves the shop.
Simple, honest, on your schedule.
Call or request a quote
Tell us what's going on. We listen first and ask the right questions before we schedule anything.
Free written estimate
We assess the job and give you an all-in price in writing. No pressure, no surprise add-ons.
Schedule at your convenience
Pick a day and window that works for your home — we'll confirm dispatch and arrival time.
Clean, code-compliant service
Licensed technicians complete the work to Alberta code, clean up, and walk you through what we did.
Repairs that put heat back on.
A few of the boiler systems we've diagnosed and repaired across Calgary — condensing units, combis, and heritage cast iron, all running again.
Also under Heating
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.
Boiler Service Calgary | Expert Boiler Maintenance & Repair
Calgary's harsh winters put serious demands on your boiler system.
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 repair quote.
Tell us what's going on and our dispatch team will call you back with pricing and availability.
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