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 Woodstock
Gas fireplace repair in Woodstock typically runs $150 to $450 for most common fixes, with flue liner work and smoke chamber repair landing in the $900 to $2,800 range depending on what the camera shows. Most jobs are completed in one visit, and you’ll see photo documentation of everything before you pay a dime. If your gas logs are burning yellow, smelling odd, or tripping a carbon monoxide detector, call (762) 249-4619 and we’ll get a background-checked technician to your Woodstock home fast.
We know the difference between a factory-built unit in a 2005 subdivision off Bells Ferry Road and a masonry chimney in a 1920s Craftsman near downtown. Those two systems fail in completely different ways, and a tech who treats them the same is guessing. Our Gas Fireplace Repair team works throughout Woodstock, from Towne Lake Hills to Eagle Watch to the neighborhoods around Trickum Road, and we bring camera equipment on every single job, not just the big ones.
Why Hadley Chimney Marietta Is Woodstock’s Preferred Gas Fireplace Repair Company
Hadley Chimney Marietta has served the Woodstock area since our founding in 2003, and the patterns we see here are consistent enough that we can often diagnose a problem before we ring the doorbell. Older neighborhoods like Towne Lake Hills have original clay flue liners that crack from thermal shock when a gas insert gets installed in a chimney built for open wood fires. Newer developments have prefabricated units with warped caps and backdraft problems. Both are fixable, but only if the tech actually looks past the firebox.
Our customers in Woodstock get a written price before any work begins. Every repair carries the 365-Day Done Right Promise: if it’s not done right, we make it right, and you get a free second visit if the repair fails. That’s not a promotion. It’s how we’ve worked since 2003.
Calls are answered by a live person 24/7. You won’t leave a voicemail and hope someone calls back. You’ll talk to a real human who can book your appointment, answer questions about your fireplace, and tell you exactly what to expect when the tech arrives in a tracked window with live arrival times under The Relay Visibility Guarantee.
Styles & brands we work with





Our Gas Fireplace Repair Services in Woodstock
Gas Fireplace Repair and Flue Liner Assessment
The most common hidden problem in Woodstock homes is a cracked clay flue liner behind a gas insert. When you install gas logs in a chimney that was built for wood, the lower, cooler exhaust doesn’t push moisture out the way a hot wood fire does. That moisture condenses, soaks into mortar joints, and creates an acidic environment that eats the chimney from the inside. We scope every flue with a camera during a gas fireplace repair, because a visual check from the firebox tells you nothing about what’s happening 15 feet above your head.

Level 2 Camera Inspection for Gas Fireplace Systems
We run a Level 2 camera inspection on nearly every gas fireplace call in Woodstock, especially in older homes near downtown and around Towne Lake Hills. The camera shows what we see: spalled brick, cracked clay tiles, deteriorated mortar, and gaps where the liner has pulled away from the firebox. You don’t get a vague “your chimney is bad.” You get photos you can zoom into, with a technician standing next to you explaining what each one means. The Relay Visibility Guarantee means before-and-after photo documentation on every visit.

Smoke Chamber Parging and Repair
Woodstock’s older chimneys were built with corbelled smoke chambers, stepped brickwork designed to funnel smoke upward. Gas appliances don’t create the same draft as wood fires, so any roughness or gaps in that chamber disrupt flow and can push carbon monoxide back into the living space. We parge and repair smoke chambers using HeatShield ceramic compound, a material chimney pros actually rely on, not whatever is cheapest on the truck.

Draft and Backdraft Correction
Woodstock’s mild winter days create a specific problem. On cold mornings, the chimney has negative pressure relative to the warm air inside your home, and a gas fireplace in a newer home off Bells Ferry Road can backdraft, pushing exhaust and CO into the room. It happens most often when a cap has been over-tightened or warped. We identify the pressure issue, correct the cap or venting, and verify the fix with a draft gauge so you know it’s right, not just “probably fine.”

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.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Woodstock
We work on gas fireplaces from every major manufacturer and we install materials from brands that were built for the job. That includes Gelco chimney caps and Gas chase covers, Olympia Chimney liners and components, and Famco venting parts. We stock common parts for Woodstock homes, which means many repairs are done the same day without waiting on a distributor. If your gas fireplace has a specific brand name on the glass or the rating plate, tell us when you call and we’ll bring the right parts on the first trip. Our technicians are uniformed, background-checked, and trained to service the equipment in your home, not to sell you a replacement you don’t need.
Common Gas Fireplace Repair Problems We See in Woodstock Homes
- Clay flue liner cracks behind gas inserts. In Towne Lake Hills and older neighborhoods throughout Woodstock, chimneys built for open wood fires now host gas logs. The lower exhaust temperatures cause condensation that brings on thermal shock, cracking the original clay tiles and letting flue gases leak into wall cavities or nearby bedrooms.
- Deteriorated mortar crowns from freeze-thaw cycles. Woodstock sits in the Georgia foothills, where winter nights dip below freezing and days warm back up. That cycle cracks masonry crowns on exterior chimneys, letting water seep down the flue and rust out dampers, corrode fireboxes, and stain ceilings in rooms below the chimney chase.
- Backdrafting from warped or over-tightened caps. Prefabricated gas fireplaces in newer Woodstock subdivisions often have caps installed too tight, or caps that warp in the sun. The result is flue gas that can’t exit properly and instead pushes back into the living space on mild winter days when your HVAC is off and the house isn’t creating enough negative pressure.
- Creosote odor from previous wood burning. Many Woodstock homes switched from wood to gas. Creosote from years of wood fires doesn’t vanish; it absorbs into the masonry and off-gasses when the gas logs heat up the flue. We address the odor at the source with proper cleaning, parging, and where needed, a HeatShield resurfacing job that seals the old creosote rather than covering it with a deodorizer spray.
See the difference
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After
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AfterPricing for Gas Fireplace Repair in Woodstock, GA
Here are the numbers we quote most often for gas fireplace work in Woodstock:
Level 2 camera inspection: $99 to $199. This is what we recommend before any repair recommendation is made. You see the photos.
Gas log set or burner replacement: $300 to $900 depending on the set and the valve configuration.
Flue liner assessment and repair (minor): $150 to $450 for spot repairs, joint sealing, or damper adjustments.
Flue liner installation with HeatShield or a new liner system: $1,200 to $2,800. The exact number depends on flue height, access, and whether the existing clay liner needs removal first.
Smoke chamber parging: $800 to $1,500 depending on chamber size and condition.
Every quote is written and provided before any work starts. No surprises at the door. Call (762) 249-4619 for a free estimate specific to your Woodstock home.
We Also Serve Cities Near Woodstock
Hadley Chimney Marietta provides gas fireplace repair throughout Woodstock and the surrounding communities, including Kennesaw, Acworth, Roswell, and Marietta. Dispatch and scheduling are coordinated from our Atlanta office, with crews serving Woodstock locally. Whether you’re in Towne Lake Hills or anywhere nearby, the same written pricing, photo documentation, and 365-Day Done Right Promise apply on every job.
Serving Woodstock, GA - Our Local Coverage Area
We’re based in the Woodstock 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 Woodstock
Yes. Gas fireplaces still produce exhaust, moisture, and heat, and a clay flue liner can crack even without a wood fire ever touching it. Thermal shock from heating and cooling cycles, combined with condensation, is enough to damage a liner. In Woodstock’s older homes, the original clay liners are now 30 to 100 years old and many have never been inspected. A camera inspection is the only way to know. If the liner has failed, we’ll show you the photos and tell you whether it needs repair now or can safely wait. Call (762) 249-4619 to schedule an inspection with a free estimate.
That smell is usually creosote or soot from previous wood burning that has soaked into the masonry, or it’s a draft problem pulling exhaust back into the room. In Towne Lake Hills, we see both patterns regularly. The fix depends on what the camera shows. In some cases, we can clean and deodorize. In others, the flue needs HeatShield resurfacing to seal the old creosote in place. We won’t recommend a repair we can’t show you in photos. Get the exact diagnosis with a Level 2 camera inspection by calling (762) 249-4619.
Yes. Prefabricated and zero-clearance units have their own failure modes, including warped chimney caps, corroded flue joints, and backdrafting on mild winter days when the house isn’t creating enough draft. We see these problems regularly in subdivisions built from the 1990s forward, especially around Bells Ferry Road and Trickum Road. A factory-built unit is not maintenance-free. The venting system needs inspection, and caps need to be checked for over-tightening and UV damage. Call (762) 249-4619 for a free estimate on gas fireplace repair in Woodstock.
The most common is a cracked clay flue liner hidden behind a gas insert. These Craftsman homes were built for open wood fires, and the chimneys were never designed for the cooler, moisture-heavy exhaust of a gas appliance. That moisture condenses, soaks into the mortar, and causes the clay tiles to crack from thermal shock. We discovered this exact problem in a Craftsman-style home in Towne Lake Hills where a brand-name liner had pulled away from the firebox after years of heating cycles. A camera inspection showed the cracked tiles and deteriorated mortar behind the gas insert, and we rebuilt the smoke chamber and damper before reinstalling the liner. If your home has gas logs and you haven’t had the flue scoped, call (762) 249-4619.
A visual check is not enough, and we’ll tell you why. The flue is a narrow, dark passage that runs from your firebox to the top of your chimney. You can’t see cracks, gaps, or deterioration from the firebox or the roof. A camera inspection is the only way to see the interior of the flue, and that’s the only way to know if your gas fireplace is venting safely or leaking exhaust into your walls. In Woodstock, with our mix of 100-year-old masonry chimneys and newer prefab units, we treat a camera inspection as the starting point for any repair recommendation. That’s how The Relay Visibility Guarantee works: you see what we see. Call (762) 249-4619 to book a Level 2 camera inspection with a free estimate.
Call Hadley Chimney Marietta for Gas Fireplace Repair in Woodstock
If your gas fireplace in Woodstock is acting up, burning yellow, smelling odd, or it’s been more than a year since anyone looked past the glass, call (762) 249-4619. You’ll get a live person, a written price before any work starts, and a technician who arrives in a tracked window and shows you photos of everything. That’s the deal. It’s been the deal since 2003, and it applies to every job in Woodstock, from a flue liner inspection in Towne Lake Hills to a draft correction in a newer home off Exit 8. Call today and get an appointment on the books.
Written by Cory Mitchell, Owner at Hadley Chimney Marietta, providing gas fireplace repair and chimney services to Woodstock and surrounding areas since 2003.