Heating · Gas Fireplace Repair
Gas fireplace repair in Toronto and the GTA.
A unit that won’t light, won’t stay lit, or burns yellow and sooties the glass. Inserts and linear fireplaces both. The fault gets proved before anything is quoted.
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- two-year warranty on our work
- Toronto & the GTA
What usually
turns out to be wrong.
A gas fireplace is a sealed appliance with a safety circuit built into it, and most repair calls are that circuit doing its job. The pilot has to burn on the sensor, the sensor has to make enough current to hold the gas valve open, the venting has to draw, and the switch or remote has to close the loop. When one link weakens, the unit refuses to light or drops out mid-evening. We test the links in order rather than swapping parts.
The pilot lights but the burner won’t
The pilot is there, the switch does nothing. On a millivolt unit that usually means the thermopile no longer makes enough current under load to pull the main valve open, or the switch wiring has corroded.
The pilot won’t stay lit
It burns while you hold the knob, then dies when you let go. Classic tired thermocouple, or a pilot hood packed with dust so the flame sits off the sensor instead of wrapping it.
It drops out once everything is hot
The unit lights, runs, and quits when the firebox is at temperature. We read the thermopile’s output hot rather than cold, because that is the only condition in which a weak one shows itself.
Black soot on the glass, yellow flame
Combustion has gone wrong. Usually a log or ember nudged into the flame path, an air shutter closed up, or blocked burner ports. Soot builds fast once it starts, and it stains the media.
The room stays cold, or the blower rattles
The fan under the firebox is what pushes the heat out, and it starts itself once the unit is warm. Silence points at the switch that runs it or the wiring behind. A rattle points at a dirty cage.
Nothing happens at the switch or remote
Handsets and receivers both run on cells that go flat quietly, so fresh batteries and a resync are worth trying first. Where that changes nothing, the fault is in the module, the wiring or the valve behind it.
What the job includes.
Pilot and flame sensing
Pilot hood and orifice cleared, flame position checked against the sensor, and thermocouple or thermopile output read under load rather than guessed at.
Gas valve and ignition control
Millivolt systems, electronic modules, wall switches and receivers traced back through the wiring, so the fault is proved at the part rather than swapped at random.
Burner, media and combustion
Burner ports cleared, air shutter set, and logs and embers put back to the manufacturer’s pattern, since one log in the flame path is what carbons a unit up.
Glass, gasket and screen
Glass off its clips and cleaned properly, the gasket checked for flat spots that let a sealed unit draw wrong, and the barrier screen refitted before we go.
Venting and the safety reading
The terminal checked from outside, the vent run checked along its length, and a carbon monoxide reading taken at the hearth with the fireplace burning.
How the visit goes.
- 01The symptom and the plateTell us what it does, and read us the make and model off the rating plate behind the lower louvre. That decides what we bring.
- 02$79.99 to find the faultThe flat service call buys the fault finding. Pilot, thermopile, valve, module and venting get tested in order until the failure is proved.
- 03The quote, part availability includedYou hear what has failed, what it costs, and on an older unit whether the part is still made, before any work goes ahead.
- 04Lit, run and readThe fireplace goes back together, runs in front of you, and gets a carbon monoxide reading at the hearth before we pack up.
From the job record.
See the full record →
On the public record
“He was personable, professional and cleaned up when he was done.”
Offers on this work.
Mention it when you book
*Some restrictions may apply. Cannot be combined with other offers.
Prefer to talk it through? Call (416) 556-8581
Gas Fireplace Repair questions.
If yours isn’t here, the phone is the fastest way to have it answered, seven days a week.
If the fireplace works and simply hasn’t been serviced, book the tune-up: that’s maintenance on a unit that runs. If it won’t light, won’t stay lit, sooties the glass or shuts down partway through an evening, that’s a repair, and it starts with the flat $79.99 service call so the fault is found before anything is quoted.
Before the cold snap.
Describe the fireplace that won’t light or the water heater on its last tank, and we’ll tell you what the fix takes.