Furnace Repair in Toronto, Mississauga and the GTA
EcoFrost runs same-day furnace repair across 9 GTA cities. TSSA-certified technicians, $0 overtime fees on nights and weekends, all major brands serviced. Call (416) 835-4775 and we will dispatch today.
Common Furnace Problems We Fix Today
Our techs see these failures every winter. We carry the parts that fix them on the first visit.
Furnace will not turn on
We check the thermostat, gas supply, hot surface igniter and pressure switch in under 30 minutes.
Furnace blows cold air
We diagnose the high-limit switch and replace the clogged filter or blocked duct that caused the trip.
Loud banging or grinding noise
We isolate the inducer motor, blower wheel or heat exchanger and quote the repair before parts go in.
Yellow or flickering pilot light
We test for carbon monoxide and clean or replace the flame sensor and gas valve as needed.
Short cycling (turns on and off)
We rebalance the thermostat, check the flame rod and verify static pressure across the duct system.
Red tagged by the gas company
We provide a free second opinion on every TSSA red tag and remove it the same day when safe to do so.
Furnace Repair Across 9 GTA Cities
Pick your city for local dispatch times, neighbourhood coverage and city-specific pricing.
Furnace Repair Toronto
City of Toronto
Same-day diagnostics, all brands, $0 overtime fees on nights and weekends.
Furnace Repair Mississauga
Peel Region
Same-day diagnostics, all brands, $0 overtime fees on nights and weekends.
Furnace Repair Brampton
Peel Region
Same-day diagnostics, all brands, $0 overtime fees on nights and weekends.
Furnace Repair Vaughan
York Region
Same-day diagnostics, all brands, $0 overtime fees on nights and weekends.
Furnace Repair Oakville
Halton Region
Same-day diagnostics, all brands, $0 overtime fees on nights and weekends.
Furnace Repair Burlington
Halton Region
Same-day diagnostics, all brands, $0 overtime fees on nights and weekends.
Furnace Repair Hamilton
Hamilton
Same-day diagnostics, all brands, $0 overtime fees on nights and weekends.
Furnace Repair Etobicoke
City of Toronto
Same-day diagnostics, all brands, $0 overtime fees on nights and weekends.
Furnace Repair Scarborough
City of Toronto
Same-day diagnostics, all brands, $0 overtime fees on nights and weekends.
Decode Your Furnace Error Code
Modern furnaces flash a fault code on the control board before they lock out. Look up your brand below for the meaning and the typical fix.
Lennox Furnace Error Codes
SLP99V, EL296V and SL280V digital fault codes explained.
Read the guideCarrier Furnace Error Codes
Infinity and Performance series LED flash codes decoded.
Read the guideGoodman Furnace Error Codes
GMVC, GMSS and GMES series fault codes and fixes.
Read the guideFurnace Repair FAQs
How quickly can EcoFrost dispatch a furnace repair technician in the GTA?
We dispatch same-day for most furnace calls and run 24/7 emergency response across Toronto, Mississauga, Brampton, Vaughan and the surrounding GTA. Call (416) 835-4775 and we will give you a real arrival window, not a vague 8-hour bracket.
How much does a furnace repair cost in Toronto and Mississauga?
Most furnace repairs run $150 to $900 depending on the failed component. Hot surface igniter replacement runs about $250 installed. Inducer motor replacement runs about $600 to $900. We diagnose first and quote before any parts go in.
Do you repair every furnace brand?
Yes. Our trucks carry parts compatible with Lennox, Carrier, Bryant, Trane, Goodman, Daikin, Keeprite, York and Mitsubishi equipment. We service every major North American brand sold in Ontario.
Is EcoFrost a TSSA-certified furnace repair contractor?
Yes. EcoFrost is a TSSA-certified HVAC contractor and an authorized Lennox dealer. Our techs hold G1 and G2 gas licenses, which is the standard required by Ontario regulation to service residential gas furnaces.
Should I repair my old furnace or replace it?
If your furnace is under 12 years old and the heat exchanger is solid, we recommend repair. If repairs cost more than 50 percent of replacement and the unit is over 15 years old, we lay out replacement options including rebates of up to $10,000 on heat pump upgrades.
Furnace Down? We Fix It Today.
Same-day furnace repair across Toronto, Mississauga, Brampton, Vaughan and the GTA. $0 overtime fees, TSSA-certified.