Furnace Repair Mississauga – 24/7 Emergency Heating Services & Expert Diagnostics
Last reviewed: September 12, 2026 · Serving Mississauga and Peel Region since 1990 · Carrier Factory Authorized Dealer · TSSA-registered fuels contractor
When winter temperatures plummet across the Peel Region, a reliable heating system is vital to your home’s safety and comfort. At Aire One Peel Heating & Cooling, located at 1625 Courtneypark Dr E, Mississauga, our certified HVAC technicians provide fast, transparent, and professional furnace repair in Mississauga. Whether your system is producing strange noises, blowing cold air, or has suffered a complete breakdown, our team is available 24/7 to restore warmth to your home.
Professional Furnace Repair in Mississauga
Our technicians assess heating symptoms and explain repair options for gas and electric furnaces. Availability, timing, and the recommended work depend on the equipment, the issue, parts, and the service schedule.
- Furnace not heating: Diagnosis of thermostat, ignition, airflow, and other likely causes.
- Ignition or pilot concerns: Qualified inspection of ignition, gas, and combustion components. Do not open the cabinet or handle these parts yourself.
- Weak airflow or unusual noise: Assessment of filters, registers, ductwork, blower, and other components without DIY cabinet work.
- Combustion or carbon monoxide concerns: Safety testing by a qualified technician. If a carbon monoxide alarm sounds or you smell gas, leave the home and call emergency services or the gas utility as appropriate.
Our Furnace Repair Services in Mississauga
We provide complete furnace repair solutions, including:
- Emergency furnace repair (24/7)
- Gas furnace repair
- Electric furnace repair
- Thermostat troubleshooting
- Blower motor repair & replacement
- Ignition system repair
- Heat exchanger inspection
- Furnace tune-ups & maintenance
We repair all major furnace brands and models.
What every furnace repair visit includes
Every furnace repair call in Mississauga starts with a proper diagnosis, not a guess. Our technician checks the thermostat and controls, the igniter and flame sensor, the blower motor and airflow, the gas valve and pressure, the heat exchanger for cracks, and the safety switches. You get a clear explanation of what failed and a flat price in writing before any work begins. Because our trucks carry the most common furnace parts, most repairs are completed on the same visit.
Furnace repair cost in Mississauga (2026)
Typical repair ranges for the problems we see most often in Peel Region homes. Figures are Greater Toronto Area estimates, verified July 2026, and vary with the part, the brand, and labour time.
| Symptom | Likely cause | Typical repair cost |
|---|---|---|
| No heat or will not start | Igniter, flame sensor, or thermostat | $150 to $400 CAD |
| Blowing cold air | Flame sensor or overheating | $150 to $450 CAD |
| Loud banging or rattling | Loose part, blower, or ignition delay | $200 to $600 CAD |
| Weak airflow or cold rooms | Blower motor, filter, or ductwork | $150 to $900 CAD |
| Short cycling on and off | Thermostat, flame sensor, or overheating | $150 to $500 CAD |
| Gas or burning smell | Leave the home and call immediately | Emergency – varies |
A diagnostic fee of around $100 CAD is common and is credited toward the repair when you proceed. Emergency calls carry no after-hours charge. If your furnace is past 15 years old and repairs are adding up, compare your options on our furnace installation Mississauga page.
Furnace Repair in Mississauga: Common Issues and Safe Next Steps
When a furnace struggles, signs such as no heat, unusual sounds, weak airflow, short cycling, or an unfamiliar smell can help identify the problem. Homeowners can safely check the thermostat, filter, and open registers, but diagnosis and repair should be left to a qualified technician. Do not open the furnace cabinet or handle gas, combustion, or electrical components.
Common furnace problems we diagnose
- Worn or malfunctioning igniter
- Faulty limit switch
- Failing blower motor
- Leaky gas valves
- Cracked heat exchanger
Furnace Maintenance: Safe Homeowner Checks
- Change your air filter regularly: To improve airflow and efficiency, replace or clean your air filter every 1-3 months.
- Inspect and Clean Vents and ducts: To ensure better air circulation, check that vents and ducts are free of dust, debris, and obstructions.
- Check the Thermostat: See if your thermostat is working properly and set it to an optimum temperature.
- Safety first: Do not inspect a pilot light or open the furnace cabinet yourself. If you see an unusual flame, soot, smell, or repeated ignition failure, turn the system off and call a qualified technician.
- Leave internal parts to a technician: Do not lubricate furnace components yourself. Modern furnaces have model-specific parts and electrical or gas connections that require qualified service.
- Watch for airflow symptoms: Keep the blower area and return grille unobstructed, but do not open the cabinet or handle the motor, belt, wiring, or control board. Book a qualified inspection if airflow is weak or noisy.
- Schedule Professional Maintenance: Your furnace should also be cleaned once a year, and it is best left to experts who know how to do it properly to get the most performance out of your investment in quality equipment.
Furnace Repair Mississauga: Trust Aire One Heating & Cooling
Our team is highly skilled and available for furnace repair Mississauga, 24/7. We aim to achieve total customer satisfaction by doing quality work quickly. As a result, you don’t need to endure cold houses or discomfort much longer. Is your furnace making life miserable for you? Don’t wait until it is unbearable–call us now.
We provide emergency furnace repair in Mississauga that will put your mind at ease again with warmer surroundings in the shortest time possible.
Furnace Repair Cost in Mississauga
Furnace repair costs depend on:
- Type of issue
- Parts required
- Furnace model & age
Typical repairs range from minor fixes to major component replacements.
We provide upfront pricing with no hidden charges.
Emergency Furnace Repair Mississauga (24/7)
A furnace breakdown during winter can be dangerous. That’s why we offer same-day and emergency furnace repair services across Mississauga.
✔ Available nights, weekends & holidays
✔ Fast response time
✔ Fully equipped technicians
Why Choose Us for Furnace Repair in Mississauga?
- Licensed & experienced HVAC technicians
- 24/7 emergency services
- Affordable pricing
- Same-day service availability
- 100% customer satisfaction guarantee
- Serving Mississauga & nearby areas
Call now for fast furnace repair in Mississauga
FAQ
Most common furnace repairs in Mississauga run $150 to $600 CAD, with blower motor or ductwork work reaching about $900 CAD (Greater Toronto Area estimates, verified July 2026). A diagnostic fee of around $100 CAD is common and is credited toward the repair when you proceed. You always receive a flat, written price before work begins, and emergency calls carry no after-hours charge.
A repair is usually the right call for a furnace under about 15 years old with a single failed part and a reasonable cost. Replacement makes more sense when the furnace is 15 to 20 years old, repairs are becoming frequent, or the fix approaches half the price of a new unit. A cracked heat exchanger always means replacement because it can leak carbon monoxide. A new furnace in Mississauga runs about $3,500 to $7,500 CAD installed, and we can quote both options on the same visit.
A diagnostic fee of around $100 CAD is common and is credited toward the repair when you proceed. You receive a flat, written price before any work begins, and there is no after-hours charge on emergency calls.
We repair all major furnace brands and models, including gas and electric furnaces. As a Carrier Factory Authorized Dealer our technicians receive factory training, and our trucks carry the most common parts, so most repairs are finished on the first visit.
Our head office is at 1625 Courtneypark Dr E in Mississauga, and we serve every Mississauga neighbourhood from Port Credit and Streetsville to Meadowvale and Erin Mills, plus Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton.
Furnaces
Areas We Serve
Brand we carry
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Safe Checks Before You Call for Furnace Repair
If your furnace is not heating properly, these quick checks can help you describe the problem. Stop there if you smell gas, hear unusual ignition sounds, see damage, or suspect a safety issue. Do not remove the furnace cabinet or attempt gas or electrical repairs yourself.
- Set the thermostat to Heat and raise the temperature a few degrees above the room temperature.
- Check the thermostat batteries if the display is blank or behaving unusually.
- Look at the furnace filter and replace it if it is visibly dirty, using the correct size.
- Make sure supply registers and return grilles are open and free of furniture or other obstructions.
- Write down any error code, unusual noise, smell, weak airflow, or repeated on-and-off cycling before the technician arrives.
Repair or Replace Your Furnace?
Repair is often reasonable when the problem is isolated and the furnace is otherwise reliable. Ask about replacement options when breakdowns keep returning, a major safety-related component is affected, parts are difficult to source, or comfort problems continue after repairs. A qualified technician should explain both options and the expected next step before work begins.
Furnace Safety: When to Leave Immediately
If you smell gas or a carbon monoxide alarm sounds, leave the home immediately and call 911 from outside. Do not re-enter until emergency responders or a qualified professional says it is safe. For more information, read Ontario’s carbon monoxide safety guidance.
Ready to book? Request a furnace repair assessment in Mississauga.