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.
Gelco Gas Fireplace Repair in Fresno: What to Know First
We repair Gelco gas fireplaces throughout Fresno, and most jobs are completed in one visit. A typical repair runs $185 – $475 depending on what’s failed, and we give you a written price before any work begins, so you know the exact number before we touch the unit. If you’re a Gelco owner in Fresno with a unit that won’t light, shuts off mid-burn, or keeps throwing a service code, call (559) 215-1714 and we’ll tell you what we’re likely dealing with.
This page is written for homeowners in Fresno, Clovis, and the surrounding valley communities who own a Gelco gas fireplace and want straight answers: what fails on these units, what it costs to fix, and whether it’s worth repairing or replacing. We’re an independent Gelco service provider, not a manufacturer authorized shop, and that means we make parts decisions based on what’s actually best for your fireplace and your budget, not a corporate policy.
How Gelco Products Fail – and How We Fix Them
Gelco built a lot of direct-vent gas fireplaces that ended up in Fresno homes during the 1990s and early 2000s, and we see the same failure patterns repeat. Here’s what we actually find when we open these units up:
- Vent-free and B-vent models with a pilot that won’t stay lit. We see this constantly on older Gelco vent-free fireplaces in Fresno homes near the Tower District and Fig Garden, where original thermocouples have simply worn out. The thermocouple sits in the pilot flame and sends a tiny electrical signal to the gas valve; when it fails, the valve shuts off the gas as a safety measure. The fix is replacing the thermocouple with an OEM-spec part, which is a 45-minute job on most Gelco models.
- Direct-vent units that light, run for a minute, then shut down. This is the classic symptom of a failing thermopile on Gelco direct-vent fireplaces, especially models from the late 1990s. The thermopile generates the power that keeps the main gas flowing, and Fresno’s hard water and high summer heat accelerate degradation of the connections. We test millivolt output before we replace anything, because sometimes it’s a dirty connection and not the thermopile itself.
- Burners that light unevenly or make a whooshing sound. Gelco burners in Fresno homes accumulate dust, pet hair, and the fine valley dust that gets into everything, even through closed windows. When the burner ports clog, you get lazy flame and incomplete combustion. We remove the burner tube, clean the ports with a proper brush and compressed air, and check the air shutter adjustment. This costs far less than a burner replacement and solves the problem about 80% of the time.
- Glass that soots up within days of cleaning. On vented Gelco units, soot buildup on the inside of the glass usually means the air-to-fuel ratio is off, often because the air shutter slipped or the unit was never properly adjusted for Fresno’s elevation. We re-set the shutter, verify the flame pattern across the full burner, and clean the glass with a non-abrasive ceramic cleaner so you’re not back to a fogged-up view next week.
- Remote control or wall switch not firing the unit. Gelco fireplaces from the early 2000s often use a standing-pilot system with an on/off switch – not electronic ignition. When that switch fails, which happens after two decades of use, the unit won’t respond at all. We carry replacement switches and remote receivers that work with the original gas controls, so we’re not rewiring your whole fireplace for a $30 switch.
Styles & brands we work with





Our Gelco Gas Fireplace Repair Process
We don’t do mystery pricing and we don’t do mystery diagnostics. When you call Alcott Chimney Fresno about a Gelco repair, here’s what happens:
- 1
You describe the symptom. Tell me what you’re seeing and I’ll tell you what it actually means. We’ll give you a likely diagnosis on the phone and a realistic price range before we ever schedule the visit.
- 2
We send a technician you already know. You’ll get the name and photo of your technician before we arrive. They’ll show a photo ID badge at the door. No surprises.
- 3
The technician inspects the unit and tests before replacing. We test thermocouple and thermopile output with a multimeter, check gas pressure at the valve, and inspect the burner, pilot assembly, and vent connections. You’ll see the readings if you want to look.
- 4
We give you a written price. If it’s the thermocouple, you’ll know the exact cost. If it’s something bigger, we’ll explain what’s wrong, what’s required to fix it, and what can wait. You decide before we order parts or turn a screwdriver.
- 5
We complete the repair and test the unit through multiple cycles. The fireplace gets lit, cycled, and re-lit at least three times before we call the job done. We check for gas leaks at every fitting we touched with a calibrated detector.
- 6
You get a written guarantee. Every repair carries a written guarantee. If the repair fails within the coverage period, the second visit is free. No arguments, no fine print.
What Gelco Gas Fireplace Repair Costs in Fresno
We don’t hide behind “it depends” answers. Here’s what we actually charge on Gelco work in Fresno:
| Repair | Typical Cost |
|---|---|
| Diagnostic service call (applied to repair if you proceed) | $95 – $125 |
| Thermocouple replacement | $185 – $275 |
| Thermopile replacement | $245 – $375 |
| Burner cleaning and air shutter adjustment | $150 – $225 |
| Remote receiver or wall switch replacement | $165 – $250 |
| Full pilot assembly replacement (older Gelco models) | $325 – $475 |
What moves the price: parts availability for your specific Gelco model, whether we’re dealing with an original pilot assembly or a later replacement, and the condition of surrounding components. If you’re replacing a thermopile and the thermocouple is original too, we often recommend doing both at once and the combined price is lower than two separate visits. Call (559) 215-1714 and we’ll give you an exact written quote for your model. The estimate is free.
See the difference
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After
Before
After
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AfterWhy Fresno Homeowners Call Alcott Chimney Fresno for Gelco Work
We’ve been working on chimneys and gas fireplaces in Fresno since 2002, and Ruben Castellano has spent nearly two decades repairing gas units up and down California, from Los Angeles Trade-Technical College training to hundreds of homes right here in the Central Valley. He and the crew know the difference between a Gelco thermopile issue and a gas valve problem without spending your money testing theories.
Every technician who comes to your Fresno home is the Threshold Standard: background-checked, identity-verified, and announced to you by name and photo before the doorbell rings. Every repair includes a written price before work starts and a written guarantee after it’s done. If a repair fails, the second visit is free – that’s the 365-Day Done Right Promise, not a marketing line. And while we’re known for Gelco work in Fresno, we also work with DuraFlex liner systems and HeatShield resurfacing, so if your fireplace needs more than a gas-side repair, we can handle the whole job without farming it out.
FAQs
Most Gelco gas fireplaces installed in Fresno in the 1990s and early 2000s are well past their original warranty period, which typically ran 10 – 20 years on the firebox and 1 – 2 years on electrical components. As an independent Gelco service provider, we don’t process warranty claims for Gelco, but we’ll tell you honestly whether a part failure would have been covered. Call us at (559) 215-1714 with your model and serial number and we’ll help you figure out where you stand.
Some original Gelco parts are still available through specialty distributors that we order from, but many have been discontinued. When OEM parts aren’t available, we use quality aftermarket components that meet or exceed the original specifications and that we’ve tested in real Fresno installations. We’ll always tell you which direction we’re going and why before we install anything.
If the firebox and burner are still sound and the issue is a failed thermocouple, thermopile, switch, or remote receiver, repair almost always makes sense – these are $200 – $400 fixes on a unit that could run another decade. Replacement makes sense when the firebox is rusted through, the gas valve has failed, or you’re looking at repeated repairs within a single season. We’ll show you the condition of your firebox with photos so you can see what we’re seeing before you make a decision.
Most Gelco repair calls in Fresno are scheduled within a few days, and we do our best to prioritize no-heat situations during the winter. When you call, a live person answers – 24/7 – and we’ll tell you the soonest available slot with a real time, not a “we’ll be there sometime Tuesday” promise.
Yes. While this page is focused on Gelco models in Fresno, our gas fireplace repair experience covers many major brands, and we also work with DuraFlex liner systems and HeatShield resurfacing for chimney-level work. If your home has a different gas fireplace brand or a wood-burning fireplace in addition to your Gelco, we can service both.
Call Alcott Chimney Fresno for Gelco Gas Fireplace Repair
If your Gelco fireplace is acting up in Fresno, call (559) 215-1714 and tell us what it’s doing. We’ll give you a straight answer about what’s likely wrong, what it costs to fix, and when we can be there. You’ll get a written price before work begins and a written guarantee when it’s done. That’s how we’ve done it since 2002, and that’s how we’ll do it for you.
Written by Ruben Castellano, Owner, Alcott Chimney Fresno at Alcott Chimney Fresno, serving Fresno and nearby areas.