Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Gas Fireplace Repair Across Danvers
Gas fireplace repair in Danvers typically runs $185 – $420 for most log set, burner, thermocouple, and pilot issues, with full chimney cleaning bundled around $225 – $375. Most repairs we handle in Danvers are done in one visit, and you’ll know exactly who’s coming to your door before we arrive. Alcott Chimney Sweep has been sending background-checked, identity-verified technicians to Danvers homes since 2002, and every job starts with a written price before any work begins.
Call (336) 863-3889 and a live person answers, any hour. No voicemail, no callback queue.
Why Alcott Chimney Sweep Is Danvers’s Preferred Gas Fireplace Repair Company
Danvers homeowners deal with a problem most chimney companies never see: gas fireplaces installed into 17th- and 18th-century walk-in hearths with flue throats that were never designed for modern gas appliances. Ruben Castellano leads a team that works on those systems every week. We know the difference between a gas log set that’s actually broken and one that’s fighting a 250-year-old smoke chamber with a throat too wide to pull a clean draft.
Our Danvers customers see the technician’s name and photo before the truck leaves the shop. The person who knocks on your door is the same person you approved, ID badge visible. That’s the Threshold Standard, and it’s non-negotiable. Written guarantee on every repair, a written price before work starts, and if the repair fails within the coverage period, the second visit is free.
The Danvers homes we service around Danvers Center, along Maple Street, and up through the Precinct 1 neighborhoods near Endicott Park include some of the oldest residential structures in Essex County. That’s not marketing language. The colonial-era hearths in those homes have flue geometry that fails draft tests even when the burner is perfect. We know because we inspect them with cameras, not assumptions.
Our Gas Fireplace Repair Services in Danvers
These are the three service areas that matter most for Danvers’s housing stock. Each one accounts for the specific ways gas fireplaces misbehave in this town, which are not the same ways they misbehave in Peabody or Beverly.
Gas Fireplace Inspection and Draft Testing
In Danvers Center, the single most common “repair” call we get is actually a draft problem. The gas log set fires fine, the flame looks steady, but the room smells like exhaust and the wall above the mantel shows soot streaks. The cause is usually the oversized colonial throat: the original walk-in cooking hearth has a flue mouth far wider than any modern chimney, so the draft is too weak to carry combustion gases up the liner. A Level 2 inspection with a camera is the only way to see what’s actually happening inside that smoke chamber. We run that camera on every Danvers inspection, and we give you a photo report showing exactly what we found.

Gas Log Set and Burner Servicing
Gas log sets in Danvers see a lot of use from roughly October through April, which means spiders, dust, and fine ash find their way into burner orifices and pilot assemblies. A half-blocked orifice produces an uneven flame, incomplete combustion, and odor. We pull the logs, clean the burner ports, check the gas pressure at the valve, and re-set everything to the manufacturer’s spec. We stock parts for Olympia Chimney and Copperfield gas log systems locally, so Danvers customers aren’t waiting on a slow distributor when the pilot won’t hold.

Smoke Chamber Cleaning and Damper Repair
The smoke chamber above a Danvers gas firebox collects whatever the flue drops: flakes of glazed creosote from decades of previous wood burning, old mortar, and in some homes, pieces of the original parging. When that debris sits above a constantly-running gas log set, it can plug burner ports and create a fire hazard. We clean smoke chambers by hand, repair or replace damper stops, and reset dampers so they’re not clipped too far open, which is a mistake we see frequently in older Danvers homes where someone adjusted a damper decades ago and no one has looked since.

Thermocouple, Thermopile, and Gas Valve Repair
Freeze-thaw cycles in Danvers do more than crack masonry. When moisture works its way into the fieldstone or early brick above an exterior chimney, it can drip down onto the gas valve and thermocouple. A pilot that won’t stay lit or a wall switch that does nothing often traces back to a corroded valve or a thermocouple that’s been slowly failing for years. We test those components, replace them when needed, and seal the moisture path so the problem doesn’t return. Nobody in Danvers should be resetting a pilot every other day, and we don’t expect you to.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Danvers
We service most gas fireplace brands found in Danvers homes, including log sets and inserts built by Olympia Chimney and Copperfield. Both brands come up constantly in the older Danvers housing stock, and we have deep familiarity with their burner geometry, pilot assemblies, and damper-stop specifications. We also install and service Famco components when a repair requires replacement parts. If your Danvers gas fireplace has a brand sticker we haven’t mentioned, call anyway: if it burns gas and sits in a fireplace, we almost certainly work on it.
Common Gas Fireplace Repair Problems We See in Danvers Homes
- Exhaust odor and soot streaks with a running fireplace: This is the oversized colonial throat problem. The gas log set works, but the flue mouth is so wide that combustion gases stall in the smoke chamber and drift back into the room. A camera inspection is what actually diagnoses it, not a visual check of the burner.
- Glazed creosote flaking from the smoke chamber onto the gas firebox: Many Danvers homes burned wood in the same chimney for 150 years before someone installed a gas log set. That old glazed creosote sits up there, and when it flakes, it lands on the burner ports and pilot assembly. We see it in homes on Maple Street, on Holten Street, and throughout the Center district.
- Pilot won’t stay lit, especially after heavy rain or snow: Danvers takes the full force of nor’easters without the moderating effect of the coast, and freezing water expands inside brick and fieldstone. That moisture reaches the gas valve and thermocouple, and the pilot fails. The fix is not just replacing the thermocouple, it’s sealing the moisture path above the firebox.
- Weak draft even after the chimney was supposedly cleaned: Standard rotary brush rigs do not match the throat geometry of a colonial walk-in hearth. The brush misses the glazed tar above the firebox entirely. When we clean a Danvers hearth flue, we use oversized brushes and chemical pre-treatment first, then run a camera to verify the liner is actually clean.
Pricing for Gas Fireplace Repair in Danvers, MA
Here’s what Danvers homeowners can expect. A standard gas fireplace inspection with draft testing runs $185 – $250 in Danvers. Gas log set cleaning and burner servicing falls between $210 – $295. Thermocouple or thermopile replacement runs $225 – $340, and full gas valve replacement typically lands between $350 – $420. If your chimney also needs a cleaning, which we strongly recommend when we’re already working on a gas fireplace in an older Danvers hearth, that adds $225 – $375 depending on the flue condition and whether it’s a multi-flue colonial chimney.
What affects cost: the age of the chimney, whether the smoke chamber needs hand-cleaning, and whether the fireplace sits in an original colonial hearth with an oversized throat that changes the cleaning approach. You’ll get a written price before we start, and that number does not change at the end of the job. Call (336) 863-3889 for a free estimate.
We Also Serve Cities Near Danvers
We make the drive to Peabody, Beverly, Salem, and Lynnfield regularly, but our Gas Fireplace Repair work in Danvers keeps us especially busy during the long heating season. If you’re just over the town line, the same written-price-before-work policy and the same background-checked technicians apply. Call and ask.
Serving Danvers, MA - Our Local Coverage Area
We’re based in the Danvers area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – Gas Fireplace Repair in Danvers
The most likely reason in Danvers is a weak draft caused by the oversized throat of an original colonial hearth. The burner fires correctly, but the flue mouth is so wide that combustion gases stall and drift back into the room. A Level 2 camera inspection is the way to confirm it. Call (336) 863-3889 and we’ll bring the camera.
Yes, when the chimney needs it, which is common in Danvers’s older homes. Gas fireplaces produce moisture and mild acidity, but the bigger issue is what’s already up there from previous wood burning. We don’t leave a repaired log set sitting under a flue full of glazed creosote. If we see it, we clean it, and we show you the photo evidence.
Yes, and this is one of the core jobs we do in Danvers Center and the surrounding historic districts. The fieldstone and early brick hold up, but the flue geometry is not modern, and the smoke chambers often hold decades of glazed residue. We approach those jobs differently: oversized brushes, chemical pre-treatment, and camera verification before we consider the chimney clean.
Every year, before the burning season starts. Danvers’s long heating season and the age of the housing stock mean gas fireplaces see heavy use, and cracked liners, loose mortar, and clogged burners don’t announce themselves until something fails or smells wrong. An annual inspection catches problems before they become repair bills. Call (336) 863-3889 to schedule.
A Level 1 inspection is a visual check of accessible parts. A Level 2 inspection includes a video camera scan of the flue and smoke chamber. In Danvers, especially in the older homes around Danvers Center, we recommend Level 2 because the throat geometry and decades of layered creosote cannot be seen from the firebox. The camera is how we diagnose the oversized-throat draft failures that look fine from the outside. Call for a free estimate and we’ll explain what your fireplace actually needs.
Written by Ruben Castellano, Owner at Alcott Chimney Sweep, serving Danvers and the greater North Shore area.





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