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 Kennesaw
Gas fireplace repair in Kennesaw, GA typically costs $180 to $680 for most ignition, gas valve, and burner repairs, with full gas train replacements running $700 to $1,400 when storm water has corroded multiple components. Most repairs take 60 to 90 minutes once we’re on site, and we stock Famco and Copperfield parts locally so you’re not waiting a week for a valve to ship. If your gas fireplace won’t stay lit, makes a clicking sound without igniting, or you’ve spotted water stains on the ceiling near the chimney after Kennesaw’s spring rains, call (229) 350-8952 and a live person answers, day or night.
Why Alcott Chimney Marietta Is Kennesaw’s Preferred Gas Fireplace Repair Company
We’ve spent years working on Kennesaw’s specific housing stock: two-story traditional homes off Jiles Road and Cobb Parkway built in the 1980s and 1990s, plus newer craftsman-style houses in Legacy Park and Summerhour. That matters because a gas fireplace in a 1992 colonial on Moon Station Road ages differently than one in a 2018 build near McCollum Airport. Original clay tile flue liners, shifting foundation lines from Kennesaw’s clay-heavy soil, and poorly flashed cricket valleys all show up differently in the firebox.
Ruben Castellano leads our repair team, and he insists on one rule: every Kennesaw homeowner gets a written price before any work starts. No exceptions. You’ll also know the technician’s name and see their photo before we arrive. That’s the Threshold Standard: background-checked, identity-verified, uniformed techs who show a photo ID badge at your door. Every repair carries a written guarantee, and if the repair fails, the second visit is free. We call it the 365-Day Done Right Promise. A full year of accountability on every job, in writing, at no extra charge.
Styles & brands we work with
Our Gas Fireplace Repair Services in Kennesaw
Chimney Cap Replacement and Resecuring
Kennesaw’s severe spring and summer thunderstorms bring straight-line winds that knock caps loose or rip them off entirely. A displaced cap lets rain pour straight down the flue, and that water lands directly on your gas fireplace’s ignition module and burner assembly. We replace and resecure caps with mechanical fasteners rated for our wind loads, then test the entire ignition sequence to confirm the gas train is dry and firing properly. If your cap is missing after a storm, the repair is urgent, not cosmetic.
Flashing Repair and Cricket Valley Rebuilding
This is the repair we do more than any other in Kennesaw. Homes in Legacy Park and Summerhour with chimneys on roof slopes collect pine needles behind improperly flashed cricket valleys. Water backs up, seeps into the chimney chase, and corrodes gas components from the inside. We rebuild the flashing, clear the valley, and seal the transition so water moves off the roof instead of into your fireplace. Then we inspect the gas valve and burner for corrosion. In our experience, a flashing failure is the root cause of most “mystery” gas fireplace failures in Kennesaw after heavy rain.
Gas Fireplace Ignition and Gas Train Diagnostics
If your fireplace clicks but won’t light, or the pilot lights but the main burner won’t catch, we trace the entire gas train: thermopile, thermocouple, gas valve, pilot assembly, and control module. Many Kennesaw homes have original equipment from the 1990s that’s reaching the end of its service life, especially where moisture has been present. We tell you plainly if a component can be cleaned and saved or should be replaced, and we show you the corroded part before we quote the replacement. No camera-gimmick: you see the actual component with your own eyes.
Burner Assembly Repair and Replacement
Rust is the quiet killer of gas fireplaces in Kennesaw. Our humid subtropical climate means high ambient moisture even when the fireplace isn’t in use, and water intrusion accelerates it. Burner ports clog, flames go lazy and yellow, and eventually the burner won’t hold a flame at all. We clean salvageable burners and replace rusted ones with Copperfield or Famco assemblies that match your firebox’s specs. Then we test for proper flame pattern and gas pressure.
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 Kennesaw
We carry and install Famco and Copperfield components, along with DuraFlex liner systems and HeatShield resurfacing materials. These are the brands chimney professionals specify, not box-store substitutes. Because we keep common parts stocked for Kennesaw’s most frequent failures, most repairs are completed same-visit rather than scheduled for a follow-up after a parts order. When a gas valve corrodes behind a Legacy Park chase, you want the right replacement installed that day.
See the difference
Before
After
Before
After
Before
AfterCommon Gas Fireplace Repair Problems We See in Kennesaw Homes
- Wind-damaged caps letting rain down the flue: Severe thunderstorms rip loose or displace caps, and water hits the ignition module directly. The fireplace may work fine until the first cold snap, then refuse to light.
- Freeze-thaw spalling in original clay tile liners: Kennesaw’s winter temperature swings cause moisture inside clay tiles to expand and contract. Spalled tile fragments and moisture work their way into the gas firebox and rust the burner assembly.
- Flashing failures in cricket valleys: Pine needles accumulate behind improperly flashed valleys on homes in Summerhour and Legacy Park. Water backs up into the chimney chase and corrodes gas valves silently, often until the fireplace fails outright.
- Corroded gas valves from persistent dampness: Our humidity is high enough that condensation alone can shorten gas valve life even without roof leaks. We see failed valves in Kennesaw homes with otherwise sound chimneys.
Pricing for Gas Fireplace Repair in Kennesaw, GA
Here are the real numbers for the Kennesaw market. Ignition diagnostics and minor repairs (cleaning a thermocouple, tightening a connection, adjusting pilot flame) run $180 to $340. Gas valve replacement runs $420 to $680 depending on the valve model. Full burner assembly replacement runs $350 to $650. Chimney cap replacement and resecuring runs $280 to $520 including materials. Flashing repair or cricket valley rebuilding runs $550 to $1,100 depending on roof access and how much of the valley needs rebuilding. A full gas train replacement where storm water has corroded multiple components runs $700 to $1,400. You receive a written price before any work starts, and that’s a non-negotiable Alcott policy. Call (229) 350-8952 for a free estimate on your specific fireplace.
We Also Serve Cities Near Kennesaw
Our technicians regularly handle Gas Fireplace Repair calls in Kennesaw and throughout northwest Cobb County, including Acworth, Marietta, Powder Springs, and Smyrna. If you’re in one of these nearby communities, expect the same Threshold Standard vetting, written pricing, and 365-day guarantee we give every homeowner.
Serving Kennesaw, GA - Our Local Coverage Area
We’re based in the Kennesaw 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 Kennesaw
Kennesaw’s heavy spring and summer storms affect unused gas fireplaces primarily through wind-driven rain and cap damage, allowing water to sit inside the firebox and corrode the gas valve, burner, and ignition module even when the fireplace is never lit. Rust and corrosion happen whether or not you use the fireplace, and we regularly find failing components in Kennesaw homes where the fireplace has been idle for years. If you haven’t lit yours in two or more seasons, a diagnostic check is the cheapest way to avoid a full gas train replacement. Call (229) 350-8952 to schedule one.
Yes, a cracked crown from Kennesaw’s freeze-thaw cycles lets moisture seep into the chimney structure and eventually into the gas firebox, where it rusts the burner and shorts the ignition module. Crown cracks start small but widen with every winter’s temperature swings, and by the time you see the ceiling stain, the damage below is already underway. We repair and seal crowns before they get to that point.
A cap that’s loose, improperly sized, or displaced by wind can still let water enter around its base, and in Kennesaw homes with chimney chases, the more common culprit is a failed cricket valley flashing behind the chimney, letting water run down the chase interior. Pine needles in Summerhour and Legacy Park make this worse by holding water against the flashing. Water follows the path of least resistance, and if it’s reaching your firebox, the source is usually roof-level, not the cap itself. We trace the leak from the firebox up through the chase to find where the water is actually entering, then show you the damaged flashing or cap with camera photos and any water staining. Call (229) 350-8952 for a same-week diagnostic.
Yes, because many newer Kennesaw homes have gas fireplaces installed with improper chase flashing or incorrectly sized caps, and those defects can cause failures within three to five years of construction. Newer doesn’t mean stormproof, especially in Kennesaw’s rapid-growth subdivisions where rooflines are complex and cricket valley detailing is often rushed. We’ve replaced gas valves in homes less than a decade old in Legacy Park where the original flashing had never shed water properly. A Level 2 inspection with camera verification costs a fraction of a gas train replacement.
After heavy rain, check three things: turn on the fireplace and confirm the pilot lights and the main burner catches and burns steady blue with yellow tips; look for fresh water stains on the ceiling within five feet of the chimney chase; and inspect the visible cap from the ground for displacement. If any of these are off, call (229) 350-8952 before the first cold snap of fall. We’d rather catch a wet firebox in May than quote a full gas train replacement in November.
Written by Ruben Castellano, Owner at Alcott Chimney Marietta, serving Kennesaw and nearby communities through the Threshold Group family of home-service companies.