Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
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 Chimney Inspection in Houston: What to Know First
We inspect Gelco chimney systems in Houston every week, and here’s the straight answer: a Gelco chimney inspection runs between $189 and $349 for most homes, with Level 2 camera inspections landing at the higher end. We complete most inspections same-day, the price is written down before we touch a ladder, and every report includes photos you can actually see. If you own a Gelco fireplace or venting system in Houston and want to know what condition it’s in, call (903) 961-6496.
This page is for homeowners who have Gelco equipment, whether it came with the house or was installed years ago. We’ll explain what we look for, what typically goes wrong with Gelco components in Houston’s climate, and what it costs to make things right. No mystery pricing, no vague “we’ll let you know” answers.
How Gelco Products Fail – and How We Fix Them
Gelco makes solid venting and fireplace components, but every brand has patterns. After years of inspecting Gelco systems in Houston homes from Katy to Pearland, here are the failure modes we see repeatedly, what’s actually happening, and what we do about it.
- Gelco B-vent corrosion at the storm collar. Gelco gas vent pipe holds up well, but Houston humidity plus rain means the storm collar seal breaks down faster than it does in drier climates. We see rust-through at the roof penetration on units older than 10 to 12 years. The fix is replacing the affected section with proper Gelco-compatible B-vent, not slapping on sealant and hoping. We’ve pulled collars off in Spring Branch where the pipe underneath was down to foil thickness.
- Gelco direct-vent termination screens clogging with Houston pollen and oak tassels. Spring in Houston coats everything, and Gelco direct-vent caps have screens that trap debris. When the screen clogs, the fireplace starves for combustion air and starts sooting the glass. During inspection we remove the cap, clean the screen, check the vent run, and verify the appliance is drafting correctly. We recommend this as regular maintenance for Gelco direct-vent owners in neighborhoods with heavy tree cover like The Woodlands and Memorial.
- Gelco fireplace refractory panel cracking. Gelco factory-built fireplaces use refractory panels that crack over time, especially with heavy use during Houston’s odd cold snaps. A hairline crack isn’t usually urgent, but a panel that’s spalling or a crack wider than a nickel means heat is reaching the metal firebox shell. We document panel condition in every Gelco inspection and tell you honestly whether replacement can wait or needs to happen before next burn season.
- Gelco gas log sets with burner tube rust from humidity. Indoor gas logs shouldn’t rust quickly, but Houston isn’t a dry climate. We find Gelco log sets with rusted burner tubes and clogged ports, usually in homes where the fireplace sits unused for most of the year. The symptom is uneven, lazy flames or a gas smell on startup that clears. We check burner integrity, clean the ports, and assess whether the logs are safe for another season or need replacement.
- Gelco chimney chase top and cap failures. For Gelco factory-built wood-burning units, the chase top is the flat metal cover at the top of the chimney chase. Houston’s sun and storms stress the caulk and metal. We see rust-through, lifted seams, and missing chase caps that let water run straight down into the chase. Water is what kills these units, and a $400 chase-top replacement beats a $4,000 firebox rebuild every time. We check for this on every Gelco inspection, because it’s the most expensive repair that’s also the easiest to prevent.
Styles & brands we work with





Our Gelco Chimney Inspection Process
Here’s exactly what happens when you book a Gelco chimney inspection with us in Houston.
- 1
You call, a person answers. That’s it. We book a window that works for you, and a real window, not “sometime between 8 and 6.” You’ll get the technician’s name before they arrive.
- 2
We walk the property and look at the whole system. Fireplace face, firebox, damper, flue, and the exterior from the roof. For Gelco units we pay special attention to the chase top, vent termination, and any visible vent pipe connections.
- 3
We run the camera if the job calls for it. Level 2 inspections include a camera scan of the full flue. You see the footage. We point out what’s normal, what’s wearing, and what needs watching. If there’s a crack, you’ll see the crack.
- 4
We make the call on OEM versus aftermarket parts together. Gelco parts are fine, but they’re not always the only option. For vent pipe and caps, we spec Gelco-compatible components from recognized manufacturers so the system stays correct. For gas logs and burners, we tell you plainly what needs to be Gelco and what can be a quality equivalent. We use brands like DuraFlex and HeatShield where they’re the right call for liners and resurfacing. You make the decision with the facts in front of you.
- 5
Repairs are done with the price already in writing. No discovery pricing mid-job. If the inspection turns up a needed repair, the quote comes before the work, and the number doesn’t move unless you change scope.
- 6
We clean up, write the report, and hand you the guarantee. Every repair gets a written guarantee. If it fails inside the guarantee period, we come back and fix it at no charge. That’s the 365-Day Done Right Promise, and it’s in writing, every time.
See the difference
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AfterWhat Gelco Chimney Inspection Costs in Houston
Most Gelco chimney inspections in Houston fall between $189 and $349 depending on the level. A Level 1 visual inspection on a system that’s been used regularly and hasn’t changed, that’s typically $189 to $229. A Level 2 inspection with camera scan, which is what we recommend for real estate transactions or any home where you haven’t had the chimney looked at in a few years, runs $279 to $349. Level 3 inspections, where we open up a section of the chimney to see inside the structure, are rare and priced by the scope of work.
What moves the price: roof access difficulty, multiple fireplaces, a chase that’s hard to reach, or if we need to pull apart vent sections to inspect hidden connections. The inspection price is always quoted before we start. If repairs come out of it, you get a separate written quote, and the decision is yours. Call (903) 961-6496 for an exact inspection quote on your Gelco system.
Why Houston Homeowners Call Ashby Chimney Houston for Gelco Work
Nathan Corliss and our crew have been working Houston chimneys for years, from older wood-burning fireplaces in the Heights to gas log setups closer to the Galleria. We show up when we say we will, and the price is written down before any tool comes off the truck. Tell you the price first, explain the work second, put it in writing third, that’s the whole system.
We’re an independent Gelco service provider, not an authorized dealer, which means we give you the honest read on your system without a sales quota behind it. When Gelco components need replacing, we use them. When another recognized brand like DuraFlex or HeatShield is the better fix for a liner or resurfacing job, we’ll say so and explain why. Every repair gets a written guarantee through the Kingswell Guarantee, and if it fails, we come back. No callbacks to a voicemail. No “that must have been a different tech.” Just the job done right.
FAQs
We don’t administer Gelco’s manufacturer warranty, since we’re an independent service provider. What we do is guarantee our own work in writing through the Kingswell Guarantee, and we complete repairs in a way that doesn’t void your Gelco warranty. Call (903) 961-6496 and we’ll walk through what your warranty covers and what it doesn’t.
Yes. Common Gelco components like refractory panels, gas logs, burner assemblies, and vent parts are available through our supplier network, typically within a few days for standard items. For older or discontinued Gelco models, we’ll tell you honestly if a direct replacement is unavailable and what the best compatible option is. Call (903) 961-6496 with your model number and we can check availability before we even come out.
Once a year if you use it regularly, even in Houston where burn season is short. The humidity and storm cycles cause deterioration even when the fireplace sits idle. If you’ve never had it inspected and you’ve owned the home more than two years, book a Level 2 inspection with camera scan now. Call (903) 961-6496 and we’ll get you scheduled.
Often yes, for common fixes like gas log cleaning, burner port clearing, cap replacement, and minor vent repairs. If the repair requires parts we don’t have on the truck, we’ll quote it, order it, and get you back on the schedule quickly. Call (903) 961-6496 and ask about your specific issue.
For a real estate transaction, yes, and your buyer’s inspector will say the same. For an annual check on a system you use regularly and have maintained, a Level 1 visual inspection is usually sufficient. For any system that hasn’t been inspected in three or more years, the camera is the only way to see what’s happening inside the flue. We’ll never push a camera scan you don’t need. Call (903) 961-6496 for a straight recommendation.
Written by Nathan Corliss, Owner, Ashby Chimney Houston at Ashby Chimney Houston, serving Houston and nearby areas.