Furnace Repair
Best Furnace Repair Near You in Markham
When you need furnace repair near me in Markham, fast action matters. A furnace that quits in a Markham winter is an emergency, not an errand. Here is how to spot furnace trouble early using energy-efficiency furnace guidance, what to check before you call, and why Markham homeowners reach for Aire One when the heat goes out. For trusted furnace repair near me in Markham, our team is ready around the clock.
- Headquartered in Markham
- 24-Hour Emergency Repair
- Licensed & Insured
Reviewed by Matthew Arbab, Managing Director, Aire One Heating & Cooling
When you search "furnace repair near me" in the middle of a Markham cold snap, you do not want a directory of forty companies. You want one that answers, shows up, and actually fixes the problem. This guide does two things: it helps you catch furnace trouble before it becomes a 2 AM no-heat emergency, and it shows you what to look for in a repair company. Aire One Heating & Cooling is headquartered right here at 2800 John Street in Markham, we have been serving Ontario since 1990, and our emergency line runs 24 hours a day, every day of the year.
Signs Your Furnace Needs Repair
Furnaces rarely die without warning. They usually complain first. If you notice any of these, book a repair before a small fault turns into a cold house full stop:
- Climbing energy bills. A furnace losing efficiency burns more fuel to make the same heat. A sudden jump with no change in weather or usage points to a system working too hard.
- Strange or loud noises. Banging, rattling, screeching or persistent clicking are not normal. They can signal a cracked heat exchanger, a failing blower motor or ignition trouble.
- Unusual smells. A burning or musty odour that does not fade, or any smell of gas, needs attention now. If you smell gas, leave and call from outside.
- Poor air quality. More dust, dryness or stuffiness than usual can mean the furnace or its filtration is no longer doing its job.
- The furnace short cycles. If it switches on and off repeatedly without finishing a full heating cycle, something is forcing it to shut down early.
- Cold spots around the home. Rooms that never quite warm up point to airflow, distribution or capacity problems.
- It needs repairs often. A furnace that keeps breaking, especially an older one, is telling you something. Frequent fixes add up fast.
Any one of these is worth a call. Several together usually mean the furnace is near the end of a heating cycle it cannot finish on its own.
What to Check Before You Call
Some no-heat calls have a simple fix you can try safely in a minute. Before you book a technician, rule these out:
- The thermostat. Confirm it is set to heat, the target temperature is above room temperature, and the batteries are fresh.
- The breaker. A tripped breaker cuts power to the furnace. Reset it once. If it trips again, stop and call.
- The furnace switch. The furnace has its own power switch that looks like a light switch nearby. Make sure it was not flipped off by accident.
- The air filter. A filter clogged solid can choke airflow enough to shut the system down. If it is filthy, replace it.
- The furnace door panel. Many furnaces will not run unless the front panel is seated properly.
If none of that brings the heat back, do not keep resetting the system. That is the moment to call a technician.
Why Markham Homeowners Call Aire One for Furnace Repair
| What you want in a repair company | Aire One in Markham |
|---|---|
| Answers when the heat goes out | Yes. 24-hour emergency repair with electronically dispatched technicians. Call 310-HEAT (310-4328). |
| Licensed and insured | Yes. Licensed and insured, serving Ontario since 1990. |
| Fixes it on the first visit | Usually. Trucks are stocked with common parts, so most repairs are completed same visit. |
| Diagnoses before charging | Yes. A technician inspects the furnace and explains the issue and the cost before any work begins. |
| Trained on the equipment | Yes. Bonded, factory trained technicians. Carrier Factory Authorized Dealer. |
| Actually local | Yes. Headquartered at 2800 John Street, Unit 9, in Markham. |
The Ratings Homeowners Actually Check
Do not take our word for it. These are the current scores for the Aire One Markham head office on the platforms Markham homeowners already use to judge an HVAC company:
Ratings shown for the Aire One Markham head office, verified July 27, 2026.
What Happens When You Call
A furnace repair should not be a mystery. When you call Aire One, a technician inspects the furnace to find the real cause, not just the symptom, then explains what is wrong and what it will cost before any work starts. Repairs are carried out by trained, bonded technicians using quality parts, so the fix holds. No surprises, no pressure, just heat back on.
A proper diagnosis first, a clear quote second, the repair third.
Because our trucks are stocked with common furnace parts, most repairs are completed on the first visit. And because dispatch runs around the clock, a furnace that quits on a Saturday night in Markham gets the same fast response as one that quits on a Tuesday morning.
Repair Now, or Prevent the Next One
The cheapest furnace repair is the one you never need. A yearly tune-up catches worn parts, dirty components and small faults before they strand you in the cold. If you are booking a repair now, ask about a maintenance plan at the same time so next winter starts on the right foot. From our Markham headquarters, Aire One handles furnaces and central heating, air conditioners and ductless systems, heat pumps, water heaters and tankless units, plus indoor air quality and maintenance plans.
We serve Markham and the surrounding communities, including Richmond Hill, Thornhill, Vaughan, Scarborough, North York and Toronto.
Frequently Asked Questions
Who offers the best furnace repair near me in Markham?
Aire One Heating & Cooling is a strong choice for Markham furnace repair: headquartered locally at 2800 John Street, serving Ontario since 1990, licensed and insured, Carrier Factory Authorized, and offering 24-hour emergency repair with electronically dispatched technicians.
Does Aire One do emergency furnace repair in Markham?
Yes. Emergency furnace repair runs 24 hours a day, every day of the year. Call 310-HEAT (310-4328) or 416-460-5300.
What are the signs my furnace needs repair?
Common signs include rising energy bills, strange or loud noises, unusual or burning smells, poor air quality, short cycling on and off, cold spots around the home, and frequent breakdowns. If you smell gas, leave the home and call from outside.
What should I check before calling for furnace repair?
Confirm the thermostat is set to heat and above room temperature, check that the breaker and the furnace power switch are on, replace the air filter if it is clogged, and make sure the furnace door panel is seated. If the heat does not return, call a technician rather than resetting repeatedly.
Where is Aire One located in Markham?
Our headquarters is at 2800 John Street, Unit 9, Markham, Ontario L3R 0E2.
About the author
Matthew Arbab
Managing Director, Aire One Heating & Cooling
Aire One has been working on Ontario homes since 1990 and is listed by Carrier as a Factory Authorized Dealer employing NATE certified technicians. I would rather tell you that a five dollar filter is all you need than sell you something you do not.
No Heat? Call Markham's Own Furnace Team
24-hour emergency furnace repair, serving Ontario since 1990 from our Markham headquarters. Get the heat back on with a team your neighbours already trust.
Call 310-HEAT (310-4328)