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 Hornsby Bend
Gas fireplace repair in Hornsby Bend, TX typically runs $165 to $420 depending on what’s actually wrong, and most jobs are done in a single visit. We’re Hadley Chimney Austin, and our Gas Fireplace Repair team works throughout Hornsby Bend regularly, from the ranch-style homes off FM 969 to the newer custom builds closer to the Colorado River. The soil here shifts. It moves chimneys, cracks flue liners, and creates exhaust leaks that a routine check misses. That’s what we look for first. Call (361) 603-5116 and we’ll walk you through what to expect before we even schedule the visit.
Why Hadley Chimney Austin Is Hornsby Bend’s Preferred Gas Fireplace Repair Company
We’ve spent enough time in Hornsby Bend to know that your gas fireplace problems usually aren’t the fireplace’s fault. It’s the chimney around it. Expansive clay under this part of Travis County heaves and settles with every wet-dry cycle, and we routinely find flue liners that have separated at the joints, dampers that no longer seat, and gas vents that have shifted enough to backdraft. That’s a carbon monoxide risk, not a comfort issue.
Hornsby Bend homeowners call us because we show up when we say we will and we hand over a written price before any work begins. You get live arrival tracking, before-and-after photos, and a digital invoice you can pay from your phone. No vague windows. No price changes at the door. Our background-checked, uniformed techs arrive in a tracked window, and every repair carries a written 365-Day Done Right Promise. If it fails within a year, we come back and fix it free.
Cory Mitchell leads our team, and the standard he set in 2003 still holds: if we can’t show you the problem in a photo, we don’t ask you to pay for the fix.
Styles & brands we work with





Our Gas Fireplace Repair Services in Hornsby Bend
Flue Liner Inspection and Repair
This is where Hornsby Bend keeps us busiest. When clay soil shifts your chimney even a few degrees, the liner inside it flexes. Clay tile liners crack. Metal liners pull apart at the couplings. A gas fireplace produces less creosote than wood, but it still produces exhaust that has to leave through an intact liner. If it doesn’t, you get carbon monoxide bleeding into the house on cold nights when negative pressure is pulling air down the chimney. We inspect with a camera, show you the photos, and quote the repair before we touch anything.
Damper and Draft Correction
High humidity along the Colorado River bottom rusts damper hardware faster than you’d expect. A damper that won’t fully open or won’t seal creates two problems: poor draft when the fireplace is running, and cold air dropping into the house when it isn’t. We replace rusty damper assemblies, adjust the frame, and when needed, install top-sealing dampers that actually close tight. Hornsby Bend’s humid summers mean dampers here fail more often than in drier parts of the county.
Firebox and Smoke Chamber Sealing for Gas Inserts
Older masonry chimneys in Hornsby Bend were built for wood. If you’ve had a gas insert installed, that firebox and smoke chamber still need to be structurally sound. Settlement cracks in the firebox panels let heat reach combustible framing. Gaps in the smoke chamber disrupt the draft the insert relies on. We seal these with HeatShield ceramic compound, which is rated for the temperatures a gas insert produces and bonds to the existing masonry.
Pilot Assembly and Gas Orifice Cleaning
Debris from a shifted chimney doesn’t just sit in the flue. It works its way down into the gas train. Soot, mortar dust, and spider nests clog pilot orifices and cause intermittent ignition. The fireplace lights, goes out, lights again. Frustrating on a freezing February night in Hornsby Bend. We pull the pilot assembly, clean or replace the orifice, and test the thermopile output so the system fires reliably through the rest of the cold season.
What happens when you call
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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 Hornsby Bend
We work on the brands Hornsby Bend homeowners actually have: Heat & Glo, Majestic, Vermont Castings, Napoleon, and Empire, plus the venting and liner systems those manufacturers specify. When your repair needs a new flexible liner, we stock DuraFlex in the sizes we most often need around here, which means less waiting on parts shipped from Dallas. For masonry repairs on older chimneys, HeatShield is our standard, and for damper replacements we often use Olympia Chimney components. You get parts built for the job, not whatever is cheapest on the truck.
Common Gas Fireplace Repair Problems We See in Hornsby Bend Homes
- Chimney settlement cracking the flue liner. Expansive clay under Hornsby Bend moves more than most people realize. When the chimney shifts, the liner separates at a joint, and exhaust leaks into the wall cavity instead of going up and out. This is the most common serious issue we fix here.
- Rusted dampers that seize shut. River-bottom humidity gets into unheated ranch homes and sits on the metal. By the time you go to light the first fire in November, the damper plate has rusted to the frame and the cable has stretched or snapped.
- Carbon monoxide backdraft on cold front nights. When a sharp central Texas cold front drops the temperature, the pressure differential between inside and outside shifts. A gas fireplace with a marginal venting system may draft fine in mild weather and fail completely when it’s 25 degrees. We flag this because a CO detector is the only thing that catches it otherwise.
- Debris-clogged pilots from shifted flues. When mortar bits and dust from a settling chimney migrate downward, they end up in the pilot orifice. The fireplace lights and then goes out, or won’t stay lit at all. Cleaning the pilot is quick; finding the source in the flue is what prevents it from happening again.
See the difference
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AfterPricing for Gas Fireplace Repair in Hornsby Bend, TX
We Also Serve Cities Near Hornsby Bend
If you’re in a neighboring community, we handle Gas Fireplace Repair in Hornsby Bend and the surrounding area. We’re also active in Austin, Cedar Park, San Marcos, and Jollyville. Gas fireplace issues don’t stop at the city line, and neither do we.
Serving Hornsby Bend, TX - Our Local Coverage Area
We’re based in the Hornsby Bend 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 Hornsby Bend
Why does my gas fireplace in Hornsby Bend need a chimney inspection if it burns clean?
Because even a clean-burning gas fireplace sends exhaust up a chimney that’s sitting on shifting clay. When the chimney settles, the liner cracks or separates, and that exhaust leaks into your walls instead of leaving the house. A proper inspection catches this before a carbon monoxide alarm does. The fire itself may look perfect while exhaust is escaping through a liner joint you can’t see. Call (361) 603-5116 and we’ll camera-inspect the full length of your flue and send you the photos.
Can a gas fireplace still backdraft in a Hornsby Bend ranch house?
Yes, and it happens more often here than in newer subdivisions. Single-story ranch homes built in the 1970s and 80s often have chimneys on exterior walls. When a cold front hits, that exterior masonry gets cold, the air inside the flue gets dense, and the draft reverses. Exhaust from the gas fireplace gets pushed back into the firebox and the room. If you smell gas or feel air moving down the chimney when the fireplace is off, that’s backdrafting and it needs correction. A properly sealed and vented system fixes it.
Do gas fireplace repairs in Hornsby Bend need a different brush or tool than in Austin?
Sometimes, and this is a Hornsby Bend specific issue. Because soil movement pushes chimneys slightly off-plumb, standard-sized brushes and inspection tools don’t always fit the flue. We carry adjustable and custom-sized brushes for exactly this reason. A chimney that’s drifted two degrees off vertical will bind a standard brush and may damage the liner. We size the tool to the flue, not the other way around.
What does high humidity do to a gas fireplace damper in this area?
Hornsby Bend sits in the Colorado River bottom, and the humidity here is higher than in the hill country to the west. That moisture settles on the cast iron and steel parts inside the chimney. Dampers rust, cables corrode, and gas valve contacts oxidize. By the time you need the fireplace on the first cold night, the damper may have seized. The fix is usually a replacement damper assembly with corrosion-resistant hardware. We see this in Hornsby Bend more than almost anywhere else we work.
Is a gas insert safe in an older masonry chimney here that has settled?
It can be, but only if the flue liner and firebox are intact after the settlement. A settled chimney often has cracked clay tile or separated liner joints, and the gas insert relies on that liner to carry exhaust. Before any insert goes in, we inspect the full chimney with a camera. If the liner is compromised, we repair or replace it first. If the firebox has structural cracks from settlement, we seal them with HeatShield. A gas insert in a compromised chimney is a carbon monoxide risk, not a convenience. Call (361) 603-5116 and we’ll tell you what your chimney needs before any installation happens.
Here’s What Happens When You Book in Hornsby Bend
You call (361) 603-5116. A real person answers, 24/7. We schedule a window and send you live arrival tracking when the tech is on the way. The tech arrives in uniform, walks the fireplace and chimney with you, and shows you what they find, with photos. You get a written price before any work starts. You approve the repair. The work gets done. You get before-and-after photos and a digital invoice. And every repair carries our 365-Day Done Right Promise: if it fails within a year, we come back and make it right, free.
On a ranch-style home off FM 969 this past winter, our tech found a gas fireplace that wouldn’t stay lit after a cold snap. The chimney had settled enough to crack the flue liner at a coupling, letting exhaust backdraft into the firebox. We re-aligned the venting, sealed the liner joints with HeatShield, and verified draft with a Level 2 inspection before the homeowners used it again. That’s the kind of problem that hides until the weather turns, and it’s the kind we’re specifically looking for in Hornsby Bend.
Written by Cory Mitchell, Owner at Hadley Chimney Austin, serving Hornsby Bend with gas fireplace repair, chimney inspection, and flue liner repair since 2003.