Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
Gas fireplace serviceLevel 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 Austin
A gas fireplace repair in Austin typically runs $145 to $620, with most jobs falling between $225 and $390. The real question isn’t just price. It’s whether the person quoting you actually knows how Austin’s clay soil, chimney swifts, and older housing stock change what a “routine” fix looks like. That’s where our Gas Fireplace Repair team comes in. We’ve worked on gas fireplaces in Hyde Park bungalows, Travis Heights classics, and newer builds across the metro since Alcott Chimney Sweep started in 2002. If your gas logs won’t stay lit, you smell something odd, or the pilot keeps going out, call (361) 420-8585 for a straight answer.
Why Alcott Chimney Austin Is Austin’s Preferred Gas Fireplace Repair Company
Homeowners in Austin call us because we show up with a name, a face, and a written price before we touch a single brick. Ruben Castellano runs our Austin operation, and he’s built the team around a simple rule: the homeowner should never wonder who’s at the door. Every technician is background-checked and identity-verified under the Threshold Standard. Before the truck pulls up, you’ll know your tech’s name and see their photo. They’ll show a photo ID badge at your door, every time, no exceptions.
We also understand Austin’s housing stock because we work in it daily. Homes in Hyde Park and Travis Heights weren’t built for modern gas inserts. Foundation shifts from clay-rich soil put stress on fireboxes and venting in ways a technician from a stable-soil city might miss. When we inspect, we use a camera so you see exactly what we see. No vague warnings. No upselling. Just evidence you can verify on the spot.
And when you call us, a live person answers. It doesn’t matter if it’s 2 p.m. on a Tuesday or 11 p.m. and you smell gas. No voicemail trees, no “press 2 for service.” That matters when you’re standing in your living room wondering if your family is safe.
Styles & brands we work with





Our Gas Fireplace Repair Services in Austin
Firebox Repair
Clay soil expands and contracts with Austin’s wet-dry cycles. Over years, that movement cracks fireboxes and loosens refractory panels. We see it constantly in older homes across Central Austin where foundations have settled unevenly. A cracked firebox isn’t just cosmetic. It can let heat reach framing and allow combustion gases to escape into the living space. We replace damaged fireboxes with professional-grade units like Famco, and we show you the damage on camera before recommending repairs.

Flue Liner Installation
Many Austin homes built before the 1950s have unlined chimneys or clay-tile liners that have cracked under foundation movement. Running a gas appliance through a deteriorated flue invites carbon monoxide backdrafts. We install Gelco flue liners sized specifically for gas appliances. In neighborhoods like Allandale and Rosedale, we’ve corrected flue offsets caused by shifting soil, restoring proper draft and bringing setups back to code.

Chimney Crown Sealing
Austin’s hot, humid summers and occasional hard freezes beat up chimney crowns. Once the crown cracks, moisture works into the brick and reaches the gas vent connectors. Corrosion follows. Draft failures follow that. We seal crowns to stop water entry, which protects the entire gas venting system. This is one of the cheapest preventive repairs we do and one of the most effective at extending the life of your fireplace.

Gas Log and Burner Service
Dirty burners, clogged ports, and failing thermocouples are the most common calls we get across Austin. Homes from Mueller to Circle C use fireplaces mostly for ambiance, so appliances sit dormant through long stretches. Dust, spider webs, and humidity-driven corrosion build up. We clean, diagnose, and repair gas logs and burners, always checking gas pressure and connections before we leave.

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 Austin
We install and service parts from Gelco, Famco, and Olympia Chimney, the brands chimney professionals specify rather than whatever’s cheapest at the box store. Because we’re local to Austin, we keep common replacement parts on hand, which means many repairs happen on the first visit rather than after a week of waiting for a shipped component. Whether your appliance is a newer direct-vent unit or an older vented log set, we work with the equipment properly rather than improvising with substitutes. You get a written price before work begins and a written guarantee on every repair. If a repair fails, the second visit is free. That’s the 365-Day Done Right Promise, and it’s included on every job.
Common Gas Fireplace Repair Problems We See in Austin Homes
- Chimney swifts nesting in flues. Austin is a major chimney swift habitat, and these protected birds nest in flues during spring and summer. They can’t be removed during nesting season, which means unscheduled delays and a real carbon monoxide risk if the fireplace is used while the flue is blocked.
- Foundation shifts cracking fireboxes. Austin’s clay-rich soils move with moisture. When foundations shift, fireboxes crack and mortar joints loosen, creating openings for gas leaks that often go unnoticed until a camera inspection reveals the damage.
- Humidity-driven spalling. Brick absorbs moisture during humid months, then expands when it gets hot. Over time, bricks flake and spall, especially in older neighborhoods like Bouldin Creek and Zilker. Once the chimney exterior deteriorates, moisture reaches the gas vent connectors inside.
- Corroded vent connectors. Gas appliances produce acidic condensation. When an older unlined chimney lets moisture in, that condensation corrodes metal venting faster. We find this regularly in 1920s and 1930s homes around Hyde Park and Travis Heights.
Pricing for Gas Fireplace Repair in Austin, TX
Here’s what you can expect to pay for common gas fireplace repairs in Austin:
- Pilot assembly replacement: $145 – $260
- Thermocouple or thermopile replacement: $160 – $285
- Gas log cleaning and burner service: $195 – $340
- Firebox repair (refractory panel replacement): $310 – $620
- Flue liner installation (Gelco, per foot): $65 – $115 per foot, typically $800 – $2,400 total for a standard single-story home
- Chimney crown sealing: $275 – $550
Foundation-related repairs like re-leveling a firebox or correcting a flue offset run higher because they’re structural, not mechanical. We always provide a written price before any work starts. That means you know exactly what you’re paying before we pick up a tool. Call (361) 420-8585 for a free estimate on your specific situation.
We Also Serve Cities Near Austin
While this page focuses on gas fireplace repair in Austin, our technicians regularly work in Pflugerville, Hutto, Leander, and Bastrop. These areas share Austin’s clay-soil issues and chimney swift populations, so the problems we fix here show up there too. If you’re just outside the city, give us a call and we’ll schedule a visit.
See the difference
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After
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AfterHow Austin’s Clay Soil Changes Gas Fireplace Repair
Here’s something you won’t hear from a national call center: Austin’s clay-rich soils expand when wet and shrink when dry. That movement, repeated over decades, shifts foundations. When a foundation shifts, the chimney moves with it. The firebox can crack. The flue can offset. The venting that once lined up perfectly now sits at an angle, restricting draft and letting combustion gases leak into places they shouldn’t be. This is why gas fireplace repair in Austin more often involves structural corrections, not just swapping a dead thermocouple. In nearby cities with more stable limestone or sandy soils, the job stops at the mechanical parts. Here, we’re frequently re-leveling fireboxes and correcting flue offsets to make the appliance safe again.
In Hyde Park, our tech found a gas fireplace in a 1920s bungalow where shifting clay soil had cracked the firebox and offset the unlined flue. We replaced the damaged firebox with a Famco unit, installed a Gelco flue liner, and sealed the chimney crown, restoring proper draft and bringing the setup back to code. That’s the kind of repair you only catch when someone knows what Austin ground does to old brick. We don’t quote a fix without camera proof. When we tell you a firebox needs replacement, we’ll show you the cracks on a screen in your living room.
Chimney Swifts and Your Gas Fireplace
Chimney swifts are a protected species under federal law, and Austin is one of their major nesting cities. From roughly March through August, they build nests in chimneys across Austin, especially in older homes with unlined flues or missing caps. If swifts are active in your chimney during nesting season, we can’t legally remove them or disturb the nest. That means gas fireplace repairs involving the flue may need to wait until the birds leave. It also means an active nest creates a genuine carbon monoxide risk if you use your gas fireplace while the flue is blocked. The solution is proper chimney caps installed during the off-season, which prevent nesting altogether. We schedule around swift season and install caps that keep them out without harming them. Knowing this is part of being a responsible Austin chimney service.
Do Older Austin Homes Need a New Flue Liner for Gas?
Most of the time, yes. Homes built in Hyde Park, Travis Heights, and other early-1900s neighborhoods around Austin often have unlined chimneys or clay-tile liners that have cracked under decades of soil movement. Running a gas fireplace through an unlined or damaged flu sends moisture and acidic condensation into the brick, accelerating deterioration and increasing backdraft risk. A properly sized Gelco liner protects the masonry and routes combustion gases out safely. If your home is pre-1950 and you’ve never had the gas flue inspected, there’s a good chance your fireplace isn’t venting as safely as you think. We’ll show you the condition with a camera before we recommend anything.
Serving Austin, TX - Our Local Coverage Area
We’re based in the Austin 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 Austin
Chimney swifts nest from March through August, and federal law protects them and their active nests. If swifts are in your flue, we can’t perform flue-related repairs until they leave. We can still service the gas logs, burners, and other components inside the fireplace, but anything involving the flue gets scheduled around nesting season. We recommend chimney caps installed during fall and winter to prevent next spring’s nesting.
Austin’s clay-rich soil expands and contracts with moisture changes, and over decades this shifts foundations. A shifting foundation moves the chimney, which stresses the firebox, cracks mortar joints, and sometimes offsets the flue. These cracks can allow gas and combustion byproducts to leak into the living space. The fix often involves more than a new thermocouple. It means structural repair to the firebox and venting. Call (361) 420-8585 to schedule a camera inspection and find out what’s actually going on.
You can look for visible cracks in the firebox and gaps in the mortar, but you can’t see inside the flue without a camera, and you shouldn’t put yourself in a position to miss a carbon monoxide risk. Gas venting problems are often invisible from the outside. We use a camera inspection to show you the exact condition of your flue, firebox, and vent connectors, with no guessing and no unnecessary repairs. If you’ve noticed foundation movement, it’s worth having a professional look before using the fireplace again.
Yes, in almost every case. An old unlined chimney was never designed for modern gas appliances. Without a liner, acidic condensation eats at the brick, moisture gets into the venting, and backdrafts become more likely. A Gelco liner sized for your specific appliance protects the masonry and directs combustion gases safely outside. The installed cost for a standard single-story Austin home typically runs $800 to $2,400 depending on height and accessibility.
In homes built in the 1920s and 1930s around Hyde Park, Travis Heights, and Bouldin Creek, a gas fireplace repair often includes more than a parts swap. We check for foundation-cracked fireboxes, offset flues, missing liners, and damaged crowns. The correction usually involves firebox repair, liner installation, and crown sealing in some combination. We always show you the camera footage first, provide a written price, and back the work with our 365-Day Done Right Promise.
Get Your Austin Gas Fireplace Fixed the Right Way
You deserve a technician who knows Austin’s soil, its swifts, and its older homes. You deserve a written price before work starts, a camera inspection you can watch, and a guarantee that actually says what it covers. That’s how we work. Call (361) 420-8585 for a free estimate on gas fireplace repair in Austin. A live person answers, day or night. We’ll send a background-checked, identity-verified technician whose name and photo you’ll see before we arrive.
Written by Ruben Castellano, Owner at Alcott Chimney Austin, serving Austin since 2002 as part of the Threshold Group family of home-service companies.