Boiler Service Calgary | Expert Boiler Maintenance & Repair
Calgary's harsh winters put serious demands on your boiler system.
FlameTech has been servicing residential and commercial boilers across Calgary for years, handling everything from routine maintenance to emergency breakdowns. We work with Viessmann, Buderus, Weil-McLain, and every major brand, keeping systems running efficiently when temperatures drop to −30°C.
When your boiler fails on a January morning, you need someone who answers the phone and shows up fast. We offer priority emergency boiler repair across Calgary, with fully-stocked trucks and technicians who know these systems inside and out. Need a new system? See our boiler installation page.
Smell gas, lost heat, or hearing unusual noises? Call us right away for priority emergency boiler response.
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 Service
Locally owned and operated, we service boilers for homes and businesses across Calgary. Red Seal plumbers and Alberta-licensed gas fitters on every job.
We've worked on a lot of Calgary boilers, from older cast iron units in Mount Royal to modern condensing boilers in Aspen Woods. Our service trucks carry common parts for most systems, so we can often complete repairs on the first visit instead of leaving you without heat.
Need urgent help instead of routine service? See boiler repair. Considering a full system replacement? See boiler installation or the boilers hub for the full lineup.
Annual Boiler Tune-ups
Complete system inspection, cleaning, and efficiency testing to prevent breakdowns and reduce gas bills.
Burner Service & Repair
Cleaning and adjusting gas burners, replacing flame sensors, and fixing ignition problems that cause lockouts.
Heat Exchanger Maintenance
Professional cleaning to remove scale buildup and maintain efficient heat transfer in Calgary's hard-water conditions.
Pressure & Circulation Issues
Diagnosing and repairing expansion tank problems, pressure relief valves, and circulation pump failures.
Thermostat & Control Repairs
Fixing faulty thermostats, zone controls, and outdoor reset controls that affect system operation.
Priority Emergency Boiler Repairs
Rapid response for no-heat situations, gas leaks, and other urgent boiler problems throughout Calgary.
Common Boiler Service Issues in Calgary Homes
Calgary boiler owners deal with specific problems caused by our climate and water conditions. Here's what we see most often — don't let a small problem turn into a major breakdown. Call at the first sign of trouble.
- 01Flame sensor fouling from Calgary's hard water and dust, causing repeated system lockouts.
- 02Expansion tank failures during Chinook temperature swings that stress the system.
- 03Heat exchanger scale buildup reducing efficiency and causing overheating.
- 04Circulation pump seizures from mineral deposits in older boiler systems.
- 05Pressure relief valve weeping due to thermal expansion in closed-loop systems.
- 06Zone valve failures preventing proper heat distribution to different areas.
Preventative Boiler Maintenance Tips for Calgary Homeowners
Regular boiler maintenance prevents 80% of the breakdowns we see in Calgary. Here's what every boiler owner should know:
- 01Check your boiler pressure monthly — it should stay between 12–15 PSI when cold.
- 02Test your pressure relief valve annually by lifting the lever briefly to clear mineral buildup.
- 03Keep the area around your boiler clear and check for any water leaks or corrosion.
- 04Schedule professional cleaning every 12 months to remove scale and maintain efficiency.
- 05Monitor your gas bills — a sudden increase often indicates efficiency problems.
- 06Listen for unusual noises like banging, whistling, or gurgling that signal internal issues.
Calgary Boiler Service Expertise You Can Trust
Our boiler technicians are Red Seal plumbers and Alberta-licensed gas fitters. We've serviced boiler systems across Calgary for years — vintage cast iron units to modern condensing boilers — and we keep up with the brand-specific repair quirks on every major line we work on.
FlameTech works with all major boiler brands and understands the specific challenges Calgary installations face. Many homes built in the 1980s and '90s have original boilers reaching end-of-life, while newer developments often have undersized systems that struggle during cold snaps.
Alberta's temperature extremes and hard water create unique maintenance requirements for boiler systems. We stock parts specifically for Calgary conditions and know how Chinook winds, mineral buildup, and extended heating seasons affect different boiler types and ages.
Frequently Asked Questions About Boiler Service in Calgary
How often should I have my boiler serviced in Calgary?
Annual boiler service is recommended for Calgary homes due to our long heating season and hard-water conditions. During service, we clean the heat exchanger, test safety controls, and check for efficiency loss. Older boilers or systems with hard-water issues may benefit from bi-annual maintenance visits.
What are the signs my Calgary boiler needs immediate repair?
Call immediately if you smell gas, notice yellow flames instead of blue, hear banging or kettling noises, or see water leaking around the unit. Strange smells, frequent cycling, or uneven heating throughout your home also indicate problems requiring professional attention. Don't ignore these warning signs during Calgary's heating season.
Why does my boiler keep shutting off during cold weather?
Common causes include dirty flame sensors, blocked vents from snow buildup, or low system pressure from small leaks. Calgary's temperature swings can also cause expansion issues that trigger safety shutoffs. Our technicians can diagnose the exact cause and prevent repeated lockouts that leave you without heat.
Can you service all boiler brands in Calgary?
Yes, we service all major boiler brands including Viessmann, Buderus, Weil-McLain, Crown, Triangle Tube, and older models still common in Calgary homes. Our service trucks stock parts for the most common systems, and we can source specialized components for European brands or vintage units found in established neighborhoods.
How long does a typical boiler service appointment take?
Most routine boiler maintenance takes 1–2 hours, including cleaning, testing, and minor adjustments. Emergency repairs vary depending on the problem — simple fixes like replacing a flame sensor take 30 minutes, while major component replacement can take several hours. We always explain what we found and provide time estimates before starting work.
Simple, honest, on your schedule.
A real tune-up is more than wiping down the cabinet. Here's the checklist we run on every boiler we service.
Inspect + flush
Visual inspection of heat exchanger, expansion tank, pressure relief valve, and circulator. Flush sediment if pressure has been swinging or the boiler has been kettling.
Combustion analysis
Live combustion test with a calibrated analyzer — CO, CO₂, O₂, stack temp. Adjust gas valve if combustion is off-spec; that alone often pulls 5-10% efficiency back.
Safety + control checks
Test pressure relief valve, low-water cutoff, flame sensor, and gas leak check on connections. Confirm thermostat + zone valves respond cleanly.
Report + schedule next year
Written report of what we did, anything to watch, and a recommendation on when to plan replacement. Annual service reminder lands in your calendar before next heating season.
Tune-ups and inspections we've completed.
Boiler service jobs across Calgary — full inspections, flushes, expansion-tank swaps, and annual tune-ups that keep heating systems running all winter.
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 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.
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 service quote.
Tell us what's going on and our dispatch team will call you back with pricing and availability.
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