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 Lake Arrowhead
Gas fireplace repair in Lake Arrowhead usually costs between $180 and $650, depending on whether you’re dealing with a pilot assembly, a corroded burner, a failing thermocouple, or masonry repairs to the chimney that vents it. Most calls we take in the Arrowhead Villas and Cedar Glen areas involve fireplaces that won’t stay lit, won’t ignite at all, or vent into a chimney that was never designed for a modern gas appliance. That last one matters up here more than almost anywhere else in Southern California.
We’re Alcott Chimney Sweep, and we’ve been repairing gas fireplaces in mountain homes since 2002. Our technicians know what 5,200 feet of elevation, hard freeze-thaw cycles, and 1960s-era cabin construction do to a gas fireplace and the flue behind it. If you’re in Lake Arrowhead and your fireplace is misbehaving, call (336) 863-3889. A live person answers, day or night.
Why Alcott Chimney Sweep Is Lake Arrowhead’s Preferred Gas Fireplace Repair Company
Lake Arrowhead homeowners deal with a repair problem most flatland companies never see: a gas fireplace that works fine in October starts shutting off in January, after a few snowstorms. That’s almost always a venting or masonry issue caused by water intrusion, and it requires someone who understands mountain chimneys, not just gas valves. Our dispatch and scheduling run through the Threshold Group’s Inland Empire office, but our crews work locally across Lake Arrowhead, including Arrowhead Villas, Cedar Glen, and the neighborhoods off Grass Valley Road and Highway 173.
We hear the same thing from customers near Lake Arrowhead Village and over in Twin Peaks: they’ve had a tech out before who quoted a liner or a full rebuild without showing them why. We don’t do that. Every recommendation we make is backed by camera footage you watch yourself, before you approve a dollar of work. If we say the flue is spalled or the crown is cracked, you’ll see it on the screen.
Ruben Castellano set the standard for our technicians years ago, and it hasn’t changed. Every technician who arrives at your door is background-checked, identity-verified, and sent to you by name and photo before the visit. They’ll show a photo ID badge at the door. You’ll know exactly who’s walking up your driveway. For homeowners here who are often alone, or who have young kids in the house, that’s not a perk. It’s the reason they call us.
Our Gas Fireplace Repair Services in Lake Arrowhead
Gas Fireplace Repair
In Lake Arrowhead, gas fireplaces get pushed hard from Thanksgiving through ski season, then ignored through spring and summer. That unequal duty cycle means pilot assemblies, thermopiles, and burners fail more often than they do in year-round-use homes at lower elevations. We repair gas valves, ignition modules, thermocouples, pilot assemblies, and burner assemblies in both log sets and direct-vent inserts. If we find corrosion inside a burner, we’ll show you the photo before we touch anything.

Camera-Guided Flue Inspection
A camera inspection is the only way to know what’s happening inside a flue you can’t see into. We push a high-resolution camera up through the chimney and record the condition of the liner, mortar joints, and smoke chamber. In Lake Arrowhead, where homes along North Bay Road and throughout the Villas have original clay-tile flues from the 1960s and 1970s, this matters even for gas-only fireplaces. If a gas appliance vents into a flue with cracking tiles and wet mortar, you’ll see it in real time. Nothing gets recommended without that evidence.

Chimney Crown & Flashing Repair
This is the repair most likely to be needed on a Lake Arrowhead gas fireplace, and the one most often missed. Freeze-thaw cycles crack chimney crowns, and once water gets behind the flashing, it runs down through the smoke shelf and into the firebox, where it corrodes burners and dampers. We rebuild crowns with proper slope and install new flashing and a sealed cap. If dampers are rusted open, we’ll show you that too and explain what can wait versus what can’t.

Gas Fireplace Inspection
A standard Gas Fireplace Repair visit starts with a level-appropriate inspection. We check the gas line connection, venting, burner condition, igniter, and the flue interior. For lakefront and woodland properties in Lake Arrowhead, we also know to check for rodent intrusion. Critters get into flues and nests block exhaust. We’ve pulled more than one nest out of a chimney in the Cedar Glen area. The written inspection report covers what we found, what it means, and what actually needs attention.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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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 Lake Arrowhead
We work on the brands Lake Arrowhead homes actually have, and we install materials specified by chimney professionals, not whatever’s cheapest on a shelf. That includes Olympia Chimney liners and caps, Famco termination components, and Copperfield chase covers. If your gas fireplace vents through an existing masonry chimney, we’ll typically recommend a DuraFlex liner. We keep common components stocked for faster turnaround on Lake Arrowhead jobs, so a repair doesn’t stall waiting on a part shipped from the valley.
Common Gas Fireplace Repair Problems We See in Lake Arrowhead Homes
- Pilot won’t stay lit or flame drops out repeatedly. In Arrowhead Villas, we traced one recurring pilot failure to a cracked crown dropping water and debris down a clay-tile flue onto the vent connection. The gas burner was fine, but the chimney it vented into wasn’t. The fix wasn’t a new pilot assembly; it was a liner and a rebuilt crown.
- Burner corrosion from water intrusion. Freeze-thaw cycles crack masonry, and water runs down into the firebox. We see rusted burner assemblies in Lake Arrowhead cabins that have had roof leaks or cap failures for years without anyone noticing, because no one looked at the firebox in August.
- Backdrafting and sooting on the glass. When a gas fireplace vents into a flue partially blocked by glazed creosote or debris, exhaust doesn’t leave cleanly. In mountain cabins that previously burned wood, old pine-tar creosote coats the flue walls and narrows the passage. Gas exhaust then spills back into the room, sooting the glass and tripping the oxygen-depletion sensor.
- Venting a modern gas appliance into a 1960s clay-tile flue. This is the big one. Many Lake Arrowhead homes built in the 1960s through the 1980s had wood-burning fireplaces with clay-tile liners. When someone converts to gas, the acidic condensate attacks the mortar joints, spalling the tiles. The damage is inside the flue, invisible without a camera. We document it every time before recommending a liner.
Pricing for Gas Fireplace Repair in Lake Arrowhead, CA
Gas fireplace repair in Lake Arrowhead typically starts around $180 for a diagnostic visit plus basic pilot or thermocouple replacement, and runs up from there. A burner assembly repair or replacement usually lands between $250 and $500. If the chimney itself is the problem, a HeatShield resurfacing or a stainless liner installation runs $1,800 to $4,200 depending on flue height and access. Crown rebuilds and flashing repairs add $400 to $1,200 on top of the liner work. Every job comes with a written price before we begin, so there’s no surprise at the end. Call (336) 863-3889 for a free estimate. We’ll tell you what we think before we ever touch your fireplace.
We Also Serve Cities Near Lake Arrowhead
Our local crews work throughout the San Bernardino Mountains and the valley below. That includes Gas Fireplace Repair in Lake Arrowhead, plus Crestline, Running Springs, Highland, and San Bernardino. If you’re in one of those communities and your gas fireplace is acting up, call the same number and we’ll schedule a visit.
Serving Lake Arrowhead, CA - Our Local Coverage Area
We’re based in the Lake Arrowhead 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 Lake Arrowhead
The most common reason a gas fireplace in Lake Arrowhead keeps going out is a venting problem caused by water intrusion or flue blockage, not a bad thermocouple. Freeze-thaw cracks in the chimney crown let water into the flue, and debris falls onto the vent or blocks exhaust, tripping the safety sensor. If you insist it’s the pilot assembly and it isn’t, you’ll pay for a part you didn’t need. Have the vent path inspected with a camera first. Call (336) 863-3889 to schedule a look.
It can be safe, but only if the flue is in good condition and compatible with gas appliance exhaust. Most original clay-tile flues in 1960s Lake Arrowhead cabins are not. Acidic condensate from gas exhaust eats mortar joints, tiles spall, and exhaust leaks into the chase or the house. A proper stainless liner, installed correctly and documented on camera, solves it. Nothing should be recommended without seeing the flue interior first.
Lake Arrowhead gets 40 to 60 inches of snow annually, and repeated hard freezes crack masonry. Chimney crowns spall, flashing pulls away from the roof, and water gets into the smoke chamber and firebox. Over years, that rusts dampers, corrodes burner assemblies, and degrades mortar joints. This damage is nearly universal in older mountain chimneys and almost absent in San Bernardino valley homes 30 miles below.
Yes, and more than you think in Lake Arrowhead. A fireplace that sits unused for months is the one most likely to be hiding water damage, rodent intrusion, or a blocked flue the next time you light it. Softwood creosote from past wood burning doesn’t disappear when you convert to gas. It glazes and cakes the flue walls. A camera inspection tells you what’s actually there. If we find nothing wrong, you’ll see an empty flue on the screen, not a sales pitch.
Yes. That’s a requirement, not a courtesy. We show you the camera footage before recommending any liner, crown rebuild, or flue repair. In the Arrowhead Villas job we mentioned above, the homeowner watched the rust, spalling, and water damage live before we quoted a fix. If a company tells you a liner is needed but won’t show you the inside of your flue, tell them to leave. Our camera report is part of every diagnostic visit, included in the written price, no extra charge.
Contact Us for Gas Fireplace Repair in Lake Arrowhead
If your gas fireplace is giving you trouble in Lake Arrowhead, call Alcott Chimney Sweep at (336) 863-3889. We’ll send a background-checked, identity-verified technician with a name and photo you’ll see before we arrive. You’ll get a written price before any work starts, a written guarantee on any repair, and a free second visit if it fails. The 365-Day Done Right Promise covers every job. There’s no charge for the estimate, and a live person answers the phone every time.
Written by Ruben Castellano, Owner at Alcott Chimney Sweep, serving Lake Arrowhead since 2002.





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