Gas Fireplace Repair in Burlington

It lights and drops out, or will not light at all. Both point at a specific part

5.0 · 53 Burlington reviews

CSIA & NFPA certified

Written quote before any work

Licensed · $2M insured

Number section icon
Pricing, before you commit

One thing before you book anything.

Gas service, repair, and parts replacement carry no workmanship warranty — not on the labor and not on the parts. That applies everywhere and we would rather you read it now than hear it at the door.

Open Cost Calculator

Open Cost Calculator

No email required · Instant estimate

Estimate preview

Live

gas-fireplace-repair

$249 – $1,195

Inspection (credited)

−$49

Typical job

$249 – $649

Final price quoted in writing before any work.

faq svg
The craft, done properly
GAS FIREPLACE REPAIR IN BURLINGTON, MA

Most gas fireplace faults are specific, and most of them are small. The unit will not light, or it lights and drops out after a minute, or the remote has stopped talking to it. Each of those points at a named component rather than at the appliance as a whole, which is why diagnosis happens with the unit open and running rather than over the telephone.

Said plainly and early, because it is the thing most likely to be misunderstood: gas fireplace service, repair, and parts replacement carry no workmanship warranty. None on the labor, none on the parts. Warranty applies to new installations only. It is on the estimate and the technician repeats it before starting.

The pricing is component-led. Diagnosis and repair is $249 to $449. A pilot assembly on a gas log set is $449 to $649; on a sealed direct-vent unit it is $849 to $1,195, because the system has to be opened and its integrity restored. A thermocouple is $449, a spark ignitor is $449, a control module is $1,195, and a remote installation is $895. Annual service and cleaning — glass, burner, ember bed, pilot, and an operational test at both ends — is $249 to $449. Method on our gas fireplace repair service page.

stack icon
The Work

Diagnosed on site, not over the phone.

The technician runs the appliance before touching it, so the fault gets observed rather than described secondhand. A pilot that lights and then fails usually means the thermocouple has weakened; ignition that never catches points elsewhere; controls that respond intermittently point somewhere else again. Guessing at that remotely wastes a visit and sometimes wastes a part.

Where the honest finding is that an older unit has several components failing at once, we say that too. At that point a new installation carries a workmanship warranty on the labor that no amount of gas repair ever will — and that comparison deserves to be in front of you before you spend on parts rather than afterwards. If the fault turns out to be the venting rather than the appliance, that is a flue conversation and it is quoted on its own terms.

Gas work runs from both Massachusetts offices — Wellesley and here — across the wider service area. The full local list is on the Burlington page.

document icon
When to book

Signs a Burlington gas fireplace needs service.

Gas faults are usually precise, which makes an accurate description on the phone genuinely useful. One item on this list is not a booking.

01

The pilot will not light, or lights and goes straight out

02

The unit ignites but shuts off after a few minutes

03

The remote or wall switch no longer controls the fireplace

04

Soot or dark staining on the glass front

05

A smell of gas around the unit at any time

06

It has been more than 12 months since the last service

If you smell gas, stop and call your gas utility before anyone else. That is an emergency rather than an appointment, and it does not wait for a service window. Everything above it is a scheduled visit.

"

Most gas fireplaces we're called out to aren't finished — they need a thermocouple, a sensor cleaned, or a pilot assembly. That's a few hundred dollars and one visit, not a replacement unit.

Company Owner
cup icon
The Brown Chimney Standard · Burlington

Oil, gas, and what the flue was built for.

Both fuels are common here
Plenty of Burlington homes heat with gas and plenty still heat with oil. That matters more than it sounds: the appliance decides what the flue has to be, and a liner that suits one is not automatically right for the other. We establish what is venting through your chimney before quoting anything.
Sixty-year-old liners are not unusual
Some homes from the town's post-war expansion still have their original clay flue liners. Age alone is not a fault, and we will not tell you it is — but it is worth knowing what is up there rather than assuming.
1-year workmanship warranty
Every piece of structural labor we perform is covered for a full year — in writing, not in promises.
Price fixed before we start
Measured on site, quoted in writing, approved by you — then the work begins. Never the other way around.
Interactive · the ignition sequence

Your gas fireplace isn't dead — one link in the chain is.

Every gas fireplace lights the same way: call for heat, spark, pilot, flame proved, valve opens, burner runs. When it fails, it fails at one specific step. Tell us what you're seeing and we'll play the sequence, stop it where yours stops, and name the component — with the price we actually charge for it.

VENT GAS VALVE MODULE THERMOCOUPLE / FLAME SENSOR
  • Call for heat — switch, remote, or thermostat
  • Spark ignitor fires at the pilot hood
  • Pilot flame lights and holds
  • !Flame never gets proved — valve closes
  • 5Main gas valve opens
  • 6Burner runs, vent carries exhaust out
Sequence stops at step 4 of 6
Most likely component

Thermocouple / flame sensor

The thermocouple sits in the pilot flame and generates the tiny current that tells the valve a flame is actually burning. When it weakens, the valve does exactly what it is designed to do and shuts the gas off. It is the single most common gas fireplace fault, and it is a one-visit part.

  • Thermocouple / flame sensor$449

    Failed thermocouple replaced with the correct part for your valve, pilot flame position corrected, then held and re-tested through several full cycles.

    Most likely — 57% of this answer set
  • Pilot assembly$449 – $649

    Pilot assembly cleaned and re-aimed where it can be saved, replaced as an assembly where the orifice or hood is beyond cleaning.

    Also possible — 28%
  • Gas valve$249 – $449 service · valve measured on site

    Valve output and response tested under load before anything is replaced — a valve is never swapped on a symptom alone.

    Also possible — 15%
  • Gas fireplace safety inspection — burner, pilot, ignition, valve, venting$249
  • Service & repair labour$249 – $449
  • Likely part on this answer set$449
  • Workmanship warranty on gas serviceNone — manufacturer part warranty only
  • Price confirmed in writing before parts are orderedAlways

Worth knowing

Most gas fireplaces we are called out to are not finished — they need one component, not a replacement unit. Where a repair does start approaching the cost of a new insert, we price both and let you decide rather than selling parts into a dying appliance.

Gas service and parts replacement carry no workmanship warranty — components carry the manufacturer's warranty where one applies. This is a guide, not a diagnosis. Gas faults are confirmed by testing on site, and the part plus labour is quoted in writing before anything is ordered. Brown Chimney · 1-888-666-0002
stack icon
What to expect

What happens during a Burlington gas service call.

The appliance is run before it is touched, so the fault is observed rather than reported. Diagnosis, repair, and a full operational test afterwards are the shape of the visit, and most are finished in one appointment. The no-warranty position is restated on site before any work starts, and both the fault and the part fitted go into the written record.

01

Arrival & gas safety check

Before any panel comes off, the technician checks for gas odour, tests the connection, and confirms the appliance is safe to work on. If there is an active leak, the gas gets shut off and the utility called — that comes before any repair conversation.

02

Fault diagnosis

Pilot, thermocouple, ignitor, control module, valve, and venting are tested in sequence to find what has actually failed. A gas fireplace that won't stay lit has half a dozen possible causes, and guessing at parts is how homeowners end up paying twice.

03

Parts confirmed in writing

You get the failed component named, the part price, and the labour quoted before anything is ordered or fitted. Gas service and parts replacement carry no workmanship warranty from us — you are told that up front, not after the invoice.

04

Repair or replacement

The failed component is replaced with the correct part for your appliance — thermocouple, pilot assembly, spark ignitor, or control module. Where the unit is beyond economical repair, we say so and price the replacement instead of selling parts into a dying appliance.

05

Operational test & handover

Ignition, flame pattern, valve response, safety shutoff, and venting are all tested before we leave. You get shown how the system behaves when it is working properly, so the next fault is something you can describe on the phone.

stack icon
For transparency

What gas repair does not cover — read this one.

Any warranty whatsoever. Gas service, repair, and parts replacement carry no workmanship warranty. This is its third appearance on the page because it is the point most often missed.

Gas fitting and gas line work. That is licensed trade work carried out under permit through the Building Department at 25 Center Street, and it sits outside a general repair visit.

Chimney and venting repair. Where the fault turns out to be the flue rather than the appliance, that becomes masonry or liner work and is quoted on its own terms.

stack icon
FAQs

Common questions about gas fireplace repair in Burlington

1 icon

Is the repair covered by a warranty?

No. Gas service, repair, and parts replacement carry no workmanship warranty — none on the labor, none on the parts. Warranty applies only to new installations. It appears three times on this page precisely because it is the thing people most often assume the other way.
Faq Number

The pilot lights and then goes out after a minute. What is that?

Most commonly the thermocouple. It is the safety device that holds the gas valve open once it senses the pilot flame, and when it weakens the valve closes and the pilot drops. It is a $449 part and usually a single-visit fix.
3 icon

Ours is a sealed unit behind glass. Does that cost more to service?

It does. A direct-vent system has to be opened and its seal integrity restored, so a pilot assembly runs $849 to $1,195 against $449 to $649 on an open log set. The unit type sets that, not the age of the house.
4 icon

Is it worth repairing an older unit or replacing it?

It depends on how many things have failed. One component is a repair. Several at once on an ageing appliance is usually the point to price a replacement — partly on cost, and partly because a new installation carries a workmanship warranty that gas repair cannot.
5 icon

Can you tell us what is wrong before coming out?

Not reliably, and we would rather not pretend otherwise. The symptoms overlap enough that a phone diagnosis leads to the wrong part arriving. The technician runs the appliance, watches the fault happen, and prices the repair from that.
stack icon
A safer hearth — for 2026

Diagnosed, priced, and stated plainly.

Gas service, repair, and parts replacement carry no workmanship warranty — said before booking, on site, and on the estimate. Diagnosis and repair from $249. Call 781-547-7784.