24/7 Furnace Repair in Calgary
Purcell Heating & Air provides 24/7 furnace repair across Calgary for every major brand. A licensed technician diagnoses the problem, gives you a written price before any work starts, and fixes most common faults on the first visit. Call (403) 312-9099 any time, day or night, for no-heat emergencies.
Why Furnaces Break Down in Calgary
Calgary is hard on furnaces. Our long heating season means more run hours than most Canadian cities, and three local conditions cause many of the no-heat calls we see.
Frosted or iced vent pipes. High-efficiency furnaces vent through white plastic pipes on the side of your house. In deep cold or heavy snow, those pipes can ice over or get buried. A safety switch then shuts the furnace down to stop exhaust from backing up into your home.
Dust on the flame sensor. Calgary’s dry air carries a lot of dust. When it coats the flame sensor, the furnace can’t confirm the burners are lit, so it lights and then shuts off within seconds.
Fast temperature swings. Chinooks can move temperatures by 20°C in a day. The constant on-off cycling adds wear to igniters, blower motors and the heat exchanger.
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Signs You Need Furnace Repair in Calgary
Check These Four Things Before You Call
These quick checks are safe for any homeowner and sometimes fix the problem without a service call.
- Thermostat: make sure it’s set to Heat, the set point is above room temperature, and the screen isn’t blank (replace the batteries if it is).
- Furnace switch: the furnace has a switch that looks like a light switch on or near the unit. Make sure it’s on.
- Breaker: check the furnace breaker in your electrical panel. Reset it once. If it trips again, stop and call us.
- Outside vent pipes: clear snow and ice from the white intake and exhaust pipes on the side of the house.
- If you smell gas, leave the house right away and call your gas utility’s 24-hour emergency line or 911 from outside. If your carbon monoxide alarm is sounding, get everyone outside and call 911.
Key Furnace Problem Indicators
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What You’ll Notice
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What It Means
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Why It Matters
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How We Fix It
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Cold Spots or Uneven Heating
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Your furnace isn’t distributing heat properly
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Your comfort is compromised and system is working harder than necessary
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We restore balanced airflow and proper heat distribution
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Strange Noises (Banging, Rattling)
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Loose, damaged, or failing components
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Small issues can quickly become major problems
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We identify and repair the specific components causing noise
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Higher Energy Bills
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Your furnace is losing efficiency
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You’re paying more for less heat
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Our precision repairs restore optimal efficiency, cutting your costs
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Frequent On/Off Cycling
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System is overheating or has control issues
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Excessive wear leads to premature failure
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We stabilize operation for consistent comfort and longer system life
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Yellow or Flickering Pilot Light
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Combustion issues or gas flow problems
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Potential safety concern and reduced heating
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We restore proper flame characteristics and safe operation
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Thermostat Not Working Correctly
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Control system communication failure
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Temperature inconsistency and comfort issues
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We repair or replace control components for reliable operation
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Benefits of Professional Furnace Repair
Lower Energy Bills
Lower running costs
Extended Furnace Life
Longer equipment life
Enhanced Safety
Eliminate potential hazards with thorough safety inspections
Consistent Comfort
Enjoy even temperatures throughout your home
Peace of Mind
24/7 emergency support when you need it most
Maintained Warranty
Keep your manufacturer warranty valid with professional service
Should You Repair or Replace Your Furnace?
If your furnace is under about 15 years old and the repair is a common part, repair usually makes sense. If it’s older, needs a major part such as a heat exchanger or control board, and has needed several repairs recently, replacement is often the better value. We’ll give you written prices for both so you can decide. Read our furnace repair vs replacement guide or see furnace replacement in Calgary.
Our Simple Furnace Repair Process
Expert Diagnosis
Our technicians thoroughly evaluate your furnace using advanced diagnostic tools to identify all issues affecting performance.
Clear Recommendations
Convenient Scheduling
Quality Repairs
Complete Testing
Premium Brands We Install
Areas We Proudly Serve
Why Calgary homeowners choose Purcell Heating & Air
Upfront, Honest Pricing
No surprises or hidden fees
Fast Response Times
Fast 24/7 response
Experienced Technicians
Certified experts with extensive training
You approve the price before we start
We’re not happy until you’re comfortable
24/7 Emergency Service
Help when you need it most
Guaranteed Repairs
We stand behind our work with solid warranties
Common Furnace Repair Questions
How much does furnace repair cost in Calgary?
Typical Calgary furnace repairs run about $150 to $900 depending on the part, plus a diagnostic visit of about $100 to $150. Flame sensors and igniters sit at the low end; blower motors and control boards cost more. You get a written price before we start.
Do you offer 24/7 emergency furnace repair in Calgary?
Yes. We repair furnaces 24/7 across Calgary, including nights, weekends and holidays. Call (403) 312-9099 and a technician will be dispatched. Homes with no heat during cold snaps, especially with babies or seniors, are prioritized. We carry common parts on our trucks, so many repairs are finished on the first visit.
Why is my furnace blowing cold air?
Usually the thermostat is set to Fan On instead of Auto, the filter is clogged, the flame sensor is dirty, the igniter has failed, or a vent pipe is blocked. Check the thermostat and filter first. If it still blows cold, book a repair.
Why does my furnace turn on and then shut off?
Short cycling is most often caused by a dirty flame sensor, a clogged filter, an overheating limit switch or a frosted vent pipe. In Calgary’s dry, dusty winters, a dirty flame sensor is the most common cause and is a quick fix.
Should I repair or replace my furnace?
Repair it if it’s under about 15 years old and the part is common. Consider replacing it if it’s older, needs a heat exchanger or control board, has needed several repairs recently, or the repair costs more than half the price of a new furnace.
Do you repair furnaces you didn't install?
Yes. We repair all major brands, including Lennox, Carrier, Daikin, Amana, Goodman, KeepRite, Trane, York and Rheem, no matter who installed them. Tell us the brand, model and age when you call so we bring the right parts. Older furnaces sometimes need parts ordered, and we’ll tell you the timeline before we start.