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.
Trusted Gas Fireplace Repair for Fresno Homeowners
A gas fireplace that won’t light, burns with a weak yellow flame, or shuts off without warning isn’t just a nuisance this time of year. Between November and March, Fresno’s morning lows drop into the 30s, and for many households the gas fireplace is the primary heat source for the living room where the family actually gathers. When it stops working, you need a repair company that shows up when they say they will, charges what they said they’d charge, and can prove their technician is who they claim to be before that person walks through your door. That’s what we do at Alcott Chimney Fresno. Our repair team is led by Ruben Castellano, and we’ve been serving Fresno homeowners since 2002. Every technician who comes to your home is background-checked, identity-verified, and sent to you by name and photo before the visit. Call (559) 215-1714 to book a repair, and you’ll know exactly who’s coming and what it’ll cost before we start.
What Our Gas Fireplace Repair Service Includes
Gas fireplace repair spans a wide range of issues, from a thermocouple that’s given out to a burner that’s clogged with soot to a control module that’s stopped communicating with the wall switch. We diagnose and fix all of it, and we’re straightforward about what you actually need versus what can wait. Here’s what our Clovis Gas Fireplace Repair and Fresno visits typically cover.
Ignition and Pilot Light Repair
The pilot light is the small flame that stays lit and ignites the main burner when you flip the switch or hit the remote. When a gas fireplace won’t ignite, the cause is usually the pilot assembly, the thermocouple, or the thermopile. In Fresno, we see a lot of pilot assemblies fail after years of use because the sensor tip gets coated with carbon or the millivolt output drops below what the gas valve needs to open. Our technicians test the millivolt reading on the thermocouple and thermopile, replace the failed component with a trade-grade part, and confirm the fireplace lights on demand before we leave.

Burner and Log Set Service
The burner on a gas fireplace is a metal tube, pan, or plate with holes that distribute the flame evenly across the log set. Over time, dust, pet hair, and fine San Joaquin Valley dust settle into those holes and cause uneven flames, sooting, or a lazy yellow flame that leaves black marks on the glass. We remove the log set, clean the burner ports, inspect the burner for rust or cracks, and reposition the logs exactly as the manufacturer specifies. In homes that haven’t had the fireplace serviced in years, this is one of the most common repairs we perform with our Gas Fireplace Repair in Madera and Fresno.

Wall Switch, Remote, and Control Module Repair
Many modern gas fireplaces run through a wall switch, a remote control, or a smart home hub, and when that signal path fails, the fireplace won’t respond even though the gas and ignition are fine. We diagnose whether the issue is in the switch, the remote receiver, the wiring, or the main control module, and we replace the failed component. Alcott Chimney Fresno stocks replacement remotes and receivers for common models and can order OEM replacements for less common ones, usually within a few days.

Gas Valve and Thermostat Repair
The gas valve is the fixture inside the fireplace that regulates gas flow to the burner, and a failing valve either won’t open, opens but won’t stay open, or opens and lets through too much gas. Because this is a gas component, it’s genuinely dangerous to guess at, and we never do. Our technicians verify gas pressures at the valve, test for leaks with a calibrated gas sniffer, and install replacement valves that meet the manufacturer’s pressure specifications for your specific fireplace model. If we find anything that makes the fireplace unsafe to run, we’ll tell you plainly and shut the gas off at the unit until the repair is complete.

Glass, Gasket, and Seal Replacement
The ceramic glass front on a gas fireplace gets hazy over time, and we recommend replacement when the haze is baked in and clouds the flame view, or when the glass shows even a hairline crack. Equally important is the gasket that seals the glass to the firebox; a worn gasket lets combustion air bypass the designed route and can cause the flame to burn unevenly. We replace both using the correct temperature-rated materials and confirm the gasket seats tightly so the fireplace burns as efficiently as it was designed to.

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.
Styles & brands we work with





Brands We Service for Gas Fireplace Repair
We work on gas fireplace units from all the major manufacturers you’ll find in Fresno homes, and we have specific experience with several professional trade brands that we also install. HeatShield is one of them; it’s a resurfacing material we apply inside a firebox when the refractory panels have cracked, and we’ve completed enough HeatShield applications to know exactly how the surface should cure in our Fresno climate of hot summers and cool winters. We also work with Gelco refractory systems and Olympia Chimney components, both of which are specified by chimney professionals rather than sold at home improvement stores.
Whether your gas fireplace is a HeatShield-branded system, contains Gelco or Olympia parts, or was built by a manufacturer like Heat & Glo, Napoleon, or Majestic, our approach is the same. We diagnose the actual failure, show you the evidence, quote you a written price, and get your written approval before any work starts. Ruben Castellano and the Alcott Chimney Fresno team have fixed thousands of gas fireplaces across Fresno, Clovis, Madera, and the surrounding Valley communities, and we stock replacement parts for the makes and models we see most often. If your unit is a gas insert inside an old wood-burning fireplace, take a look at our home page to understand the full range of what we service.
Signs You Need Gas Fireplace Repair Right Now
- The flame is mostly yellow or orange instead of mostly blue. A healthy gas fireplace burns with a blue-based flame. Yellow or orange tips are usually soot or dust on the burner, but a flame that’s predominantly yellow can also indicate incomplete combustion or a clogged burner port. It’s a sign the fireplace is burning inefficiently and potentially producing more carbon monoxide than it should.
- You smell gas when the fireplace is off. This is one of the few symptoms where you shouldn’t try to fix anything yourself. A faint gas smell near the unit when it’s off can mean a slow leak at a fitting or inside the gas valve. Leave the unit off, call (559) 215-1714, and keep the area ventilated until a professional can test the line.
- The fireplace shuts off a few minutes after lighting. This usually points to the thermocouple or thermopile failing; the gas valve isn’t getting the electrical signal it needs to stay open, so it closes as a safety measure. It’s a common failure in Fresno homes and one we typically replace the same day.
- The glass is black, cloudy, or shows hairline cracks. Soot on the glass is a symptom of poor combustion or a log set that’s not positioned correctly. If the buildup is thick and the glass is also hazed or cracked, the panel needs replacement, and you’ll want the combustion issue fixed at the same time so the new glass doesn’t get covered in soot again.
- You hear a humming, clicking, or rumbling sound that wasn’t there before. Clicking is usually an igniter trying and failing to light the burner. A low rumble can be air in the gas line or a burner that’s not seated properly. Any new sound is worth having checked because small gas fireplace problems tend to become bigger, more expensive ones if they’re ignored through a Fresno winter.
Our Gas Fireplace Repair Process – Step by Step
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Book your visit and meet your technician before they arrive. When you call us, a live person answers, every time, around the clock. We schedule your repair for a time that works for you, and before we show up, you’ll receive the name and photo of the technician who’s coming to your door. Every Alcott Chimney Fresno technician is background-checked, identity-verified, uniformed, and required to show photo ID when they arrive. That’s the Threshold Standard, and it applies to every visit, no exceptions.
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We inspect the fireplace and diagnose the failure. The technician starts by checking the gas supply, the ignition system, and the venting path. We use a manometer to measure gas pressure, a millivolt meter to test the thermocouple and thermopile output, and a calibrated gas sniffer to check for leaks at every fitting. If there’s a carbon monoxide question, we test for that too. You’ll see what we’re seeing; we don’t ask you to take our word for anything.
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You get a written price before any work starts. Once we know what’s wrong, we write down the repair, the parts required, and the total cost on paper and hand it to you. That price doesn’t change after the work is done. You approve the repair before we touch a tool; if you’d rather not fix it right now, you can say so and we’ll tell you honestly whether the fireplace is safe to keep using.
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We complete the repair with trade-grade parts. We use replacement components that meet or exceed the original manufacturer’s specifications. For liners and resurfacing systems, that means professional brands like HeatShield, Gelco, and Olympia Chimney. We don’t substitute box-store parts, and we don’t cut corners to save time. After the repair, we test the fireplace through a full ignition cycle, check for leaks again, and confirm the flame pattern is correct.
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You receive a written guarantee and a walkthrough of the work. Every repair at Alcott Chimney Fresno comes with a written guarantee at no extra charge. If the repair fails within the coverage period, our second visit to fix it is free. That’s the 365-Day Done Right Promise, and it’s written down, not just promised on a handshake. Before we leave, we explain exactly what we did, what we found, and what to expect from the fireplace moving forward.
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AfterHow Much Does Gas Fireplace Repair Cost in Fresno?
Gas fireplace repair in Fresno typically runs $175 to $650 for most common fixes, with the bulk of jobs landing in the $225 to $390 range. A thermocouple replacement usually sits at the low end of that range, while a new gas valve or control module pushes toward the higher end. Full replacement of the glass panel adds material cost and usually brings the job into the $400 to $650 range depending on the fireplace model. Here’s a breakdown of what you can expect.
- Thermocouple or thermopile replacement: $175 – $320
- Burner cleaning and log set repositioning: $150 – $280
- Wall switch, remote, or receiver replacement: $140 – $300
- Gas valve replacement: $300 – $550
- Glass panel replacement: $350 – $650
- Full diagnostics, labor, and parts for complex failures: $450 – $900
What drives the price up or down? Three things mostly. First, the age and model of your fireplace: parts for a 20-year-old unit are often harder to source and cost more. Second, the specific component that failed; gas valves and control modules are pricier than thermocouples and switches. Third, whether we find secondary issues during diagnostics. About a third of the repairs we do in Fresno and our Gas Fireplace Repair in Sanger involve two or more related problems, like a failed thermopile plus a clogged burner, and fixing both in one visit is always cheaper than scheduling a second trip. Every estimate we give is free, written, and fixed before we start. Call (559) 215-1714 and we’ll tell you the real number for your specific unit before anything goes on your credit card.
For homeowners in nearby cities, we provide the same service across the region. If you’re in the neighboring towns just outside Fresno, our Gas Fireplace Repair in Clovis page covers our service there in detail, and we also offer Gas Fireplace Repair in Madera with the same written pricing and guarantee.
Gas Fireplace Repair Near Fresno – Our Service Area
We repair gas fireplaces throughout Fresno and the surrounding San Joaquin Valley communities, including Sanger, Selma, Reedley, Kerman, Kingsburg, Fowler, Parlier, Dinuba, and Visalia. Most repair visits in the Fresno metro area happen within one to three business days, and we often have same-week availability. If you’re not sure whether we cover your address, call us; if we don’t, we’ll tell you straight and help you find someone who does. This page focuses on Gas Fireplace Repair in Fresno, and you can also find our full range of services on the home page.
Serving Fresno, CA - Our Local Coverage Area
We’re based in the Fresno area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions – Gas Fireplace Repair in Fresno
Gas fireplace repair is the diagnosis and correction of problems that prevent a gas fireplace from igniting, burning cleanly, or operating safely. It includes anything from replacing a thermocouple to cleaning a clogged burner to swapping out a failed gas valve or control module. In Fresno, Alcott Chimney Fresno handles all of those repairs and more, and every job includes a written diagnosis, a written price, and a written guarantee before we start.
Most common repairs take between 45 minutes and two hours at the home. A thermocouple or switch replacement is usually done in under an hour; a gas valve replacement or glass panel swap can take two hours once the part is in hand. If we need to order a model-specific part, the visit itself is still quick, but you’ll wait a few days for the part to arrive. We’ll tell you the timeline up front, and scheduling a repair call is quick at (559) 215-1714.
In Fresno, most gas fireplace repairs cost between $175 and $650, with the majority of jobs landing between $225 and $390. The exact number depends on the failed component, the age of the fireplace, and whether we find secondary issues during the diagnostic. Every repair includes a written price before work starts, so you’ll never get a surprise charge at the end. Call (559) 215-1714 for a free estimate on your specific unit.
We work on gas fireplaces from Heat & Glo, Napoleon, Majestic, Heatilator, Mendota, and most other major brands sold in the Fresno market. We also install and service professional trade systems like HeatShield, Gelco, and Olympia Chimney. If you’re not sure of your model, a quick look at the rating plate inside the firebox usually answers it, and we can identify the make and model during the estimate call.
If you’re smelling gas or the fireplace is behaving erratically, turn the unit off and call us. A live person answers our phone around the clock, every day, at (559) 215-1714. We prioritize calls that involve gas smells or other safety concerns, and in many cases we can have a technician out the same day or the next morning. We’ll be straight with you about what’s urgent and what can safely wait.
Every repair includes a written guarantee, and if the repair fails within the coverage period, the second visit to fix it is free. That’s the 365-Day Done Right Promise, and it’s written on the paperwork we hand you, not just a verbal assurance. The guarantee applies to parts and labor for the repair we performed. If a different component fails later, that’s treated as a new repair and quoted separately, honestly, with a written price.
There’s not much you need to do. Clear the area in front of the fireplace so the technician has room to work, and if you have pets, put them in another room before we arrive. It helps if your TV remote for the fireplace is handy and you know roughly where your gas meter or shutoff is. Other than that, just be home and expect the technician whose name and photo you’ve already received. We’ll handle the rest, and you’ll have a written price and a working fireplace when we leave.
Schedule Your Gas Fireplace Repair Service in Fresno Today
A gas fireplace that isn’t working right won’t fix itself, and a Fresno winter isn’t the time to find out how cold your living room gets without it. Call (559) 215-1714 and you’ll get a live person on the line, a free estimate, and a written price before any repair begins. You’ll know the technician’s name and see their photo before we arrive, and every repair is backed by our written 365-Day Done Right Promise. If the repair fails within the coverage period, the second visit is free. Get it fixed before the next cold snap; call us today.
Written by Ruben Castellano, Owner at Alcott Chimney Fresno, serving Fresno since 2002.