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 Sweep in Austin: What to Know First
A Gelco chimney sweep in Austin typically costs $189 – $289 for a standard open-flue fireplace, with most jobs completed in under two hours. As an independent Gelco service provider, Alcott Chimney Austin handles everything from routine creosote removal to full Level 2 inspections on Gelco-equipped fireplaces across Austin, with a written price in your hand before any work starts. If your Gelco fireplace is drafting poorly, smoking into the room, or just hasn’t been touched since you moved in, call (361) 420-8585 and we’ll walk through what you’re seeing.
This page is for Austin homeowners who own a Gelco fireplace, stove, or insert and want a sweep team that knows the product’s quirks without pretending to be the manufacturer. You’ll get straight answers on failure modes, what a real sweep costs, and what we actually do between the first camera look and the last brush stroke.
Key Takeaways
- Gelco fireplaces in Austin build creosote faster than you’d expect due to our humidity swings and occasional hard freezes.
- We’re independent, not factory-authorized. That means honest parts advice, not a sales script.
- Every sweep includes a written price before work begins and photos of what we found.
- You’ll know your technician’s name and see their photo before the truck rolls up.
Styles & brands we work with





How Gelco Products Fail – and How We Fix Them
Gelco builds solid units, but every brand has its patterns. After years of pulling brushes and cameras through Austin chimneys, here’s what we actually see on Gelco units, by series or design family where it matters.
- Gelco traditional open-hearth fireplaces: damper warping and bypass leakage. These units often use cast-iron dampers that warp slightly after years of heat cycling. When a damper doesn’t seal fully, conditioned Austin air leaks up the flue all summer, and smoke pushes back into the living room on cold starts. During a sweep, we inspect the damper seat, remove creosote that’s keeping it from closing, and tell you plainly whether it needs a damper replacement or just a good cleaning and adjustment.
- Gelco prefabricated units with refractory panels: hairline panel cracking from thermal shock. Austin’s winter temperature swings, especially when a cold front drops temperatures 30 degrees after a mild stretch, stress refractory panels. Hairline cracks are common and usually harmless, but once a crack widens beyond about the thickness of a nickel, heat can reach the metal shell behind it. We document every panel with a camera during Level 2 inspections and only recommend replacement when there’s actual structural risk, not cosmetic blemishes.
- Creosote glazing in the smoke chamber, especially stage-two buildup. The smoke chamber on Gelco units often has corbelled masonry or metal transitions that create turbulence. Turbulence means smoke lingers, and lingering smoke means thicker creosote, the tar-like buildup that causes chimney fires. We use rotary loops and hand brushes sized to the chamber, not just the flue, because a swept flue with a fouled smoke chamber is still a fire risk.
- Chase cover and flashing failures on Gelco prefab installations. Many Gelco factory-built fireplaces vent through a metal chase. The chase top and side flashing take direct Austin sun, hail, and the occasional ice event. When a chase top rusts through, water gets into the chimney chase, soaks the insulation, and eventually reaches the fireplace itself. We check the chase top on every exterior Gelco sweep. If we find rust-through, we’ll show you the photo before we suggest a replacement.
- Glass door track and gasket wear on Gelco inserts. If your Gelco unit has glass doors or an insert-style front, the gasket rope around the glass degrades over time. A worn gasket lets excess air into the firebox, which changes burn temperature and accelerates creosote buildup. During a sweep, we check gasket compression with a simple dollar-bill test, and if it fails, we’ll quote a gasket replacement using proper high-temperature rope, never a generic box-store substitute.
Our Gelco Chimney Sweep Process
Here’s how a Gelco sweep goes at an Austin home, from the first call to the final walkthrough. No surprises, no vague cleaning, no mystery charges.
- 1
Call and scheduling. A live person answers, takes down your address, your Gelco model if you know it, and what you’re seeing. We schedule a window and send you the technician’s name and photo before the visit.
- 2
Arrival and identification. The technician shows a photo ID badge at the door, matching the name and photo you already received. This is the Threshold Standard, and it’s non-negotiable on every job.
- 3
Setup and inspection. Drop cloths go down around the hearth. We run a camera up the flue and inspect the firebox, damper, smoke chamber, and chase top before we touch a brush. You’ll see photos of what we find.
- 4
Creosote removal. We brush the flue from the top or bottom depending on access, using rotary loops for glazed creosote and standard poly brushes for soot. The smoke chamber gets separate, thorough attention because Gelco units collect buildup there.
- 5
Fireplace cleaning and parts check. Firebox, glass, damper, and gaskets get cleaned and tested. If we find a part that genuinely needs replacement, like a gasket or damper, we’ll show you the photo, explain the cost range, and give you a written quote. No pressure, no “the house is in danger” scare tactics.
- 6
Cleanup and written summary. The area is left cleaner than we found it. You get a summary of what we did, what we found, and whether anything needs watching. Every repair we make carries a written guarantee, and if it fails within the coverage period, the second visit is free.
See the difference
Before
After
Before
After
Before
AfterWhat Gelco Chimney Sweep Costs in Austin
| Service | Typical Austin Price | What Moves the Price |
|---|---|---|
| Standard Gelco fireplace sweep | $189 – $289 | Flue height, creosote stage, chase access |
| Level 2 inspection (with camera) | $349 – $499 when combined with sweep | Flue length, need for rooftop access |
| Glazed creosote removal (rotary loop work) | $100 – $250 added | Severity and time on the flue |
| Gasket replacement (door or glass rope) | $75 – $185 | Gasket length and accessibility |
| Damper repair or replacement | $150 – $450 | Cast iron vs. top-seal, access difficulty |
The honest answer is that most Austin Gelco sweeps land between $189 and $289 before any repairs. What changes that is the creosote stage. Light soot brushes off quickly. Stage-two glazing takes longer and requires rotary tools. If your chimney hasn’t been swept in five or more years, expect the higher end. Call (361) 420-8585 for a written quote before anyone puts a brush to your flue. Estimates are free.
Why Austin Homeowners Call Alcott Chimney Austin for Gelco Work
Gelco equipment is common across Austin, from Mueller to Tarrytown to Circle C, and plenty of companies will sweep any chimney that pays. The difference is whether the person at your door is someone you were told to expect, and whether the price they quote you at the start matches the invoice at the end. That’s the whole game for us.
Every Alcott Chimney Austin technician is background-checked and identity-verified under the Threshold Standard, and you’ll know your technician’s name and see their photo before the appointment. We run as an independently owned and operated location within the Threshold Group family, and we’ve been serving homeowners since 2002. On a Gelco job, we bring the right brushes, the right inspection cameras, and the right replacement materials. When a Gelco unit needs a liner repair or resurfacing, we work with DuraFlex and HeatShield systems rather than improvising with whatever’s on the truck. Ruben Castellano has been known to walk a South Congress homeowner through fireplace camera footage frame by frame rather than say “it’s dirty” and hand over a bill.
And every repair carries our 365-Day Done Right Promise in writing. If the repair fails within a year, we come back and fix it. No deducting, no arguing, no second invoice for the return visit.
Frequently Asked Questions
No. Routine chimney sweeping and inspection using standard brushes and vacuum equipment does not void a Gelco warranty. In fact, most manufacturer warranty language requires regular maintenance. We’re an independent Gelco service provider, not factory-authorized, but our process uses non-damaging poly brushes on standard flues and we document everything we touch.
Once a year, ideally in early fall before burning season starts. Austin’s humidity plus occasional winter cold snaps promotes creosote formation faster than drier climates, even in a well-maintained Gelco unit. If you burn more than two cords a season or use soft woods, consider a mid-season check. Call (361) 420-8585 to get on the fall sweep calendar before the rush.
Yes, and we’ll show you the proof. After a sweep, you’ll see camera photos of the flue, firebox, and smoke chamber. If something needs repair, you’ll see exactly what we’re seeing. Tell me what you’re seeing, and Ruben will tell you what it actually means, quote in hand. If the camera shows clean flue walls and a sound damper, we’ll tell you it’s fine and send you on your way.
Sometimes genuine Gelco parts make sense, sometimes a quality aftermarket equivalent is the better call. The honest answer is that damper assemblies, gaskets, and refractory panels often have excellent non-OEM alternatives that fit correctly and cost less. The decision belongs to you, with our recommendation on the table and a written price either way. We never push a more expensive part because it says Gelco on the box. We also carry DuraFlex and HeatShield materials for liner-related repair when a Gelco flue needs more than a sweep.
Most Austin sweep appointments are scheduled within 3 to 7 days. We don’t promise same-day service because a proper Gelco sweep with camera inspection takes time and shouldn’t be rushed. If smoke is actively backing into your living room, tell us when you call, and we’ll flag the appointment for priority attention. Live people answer the phone around the clock at (361) 420-8585.
Book Your Gelco Chimney Sweep in Austin
If your Gelco fireplace hasn’t been swept in a year or more, or you’re seeing smoke stains above the mantel, call (361) 420-8585 for a free estimate. You’ll get a written price before work begins, a technician sent to you by name and photo, and a sweep that’s documented with photos so you can see exactly what we saw. We serve Austin and nearby areas, and we’ve been doing this since 2002. Don’t wait until the first cold front hits and every chimney in Travis County needs attention.
Written by Ruben Castellano, Owner, Alcott Chimney Austin at Alcott Chimney Austin, serving Austin and nearby areas.