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 Los Angeles: What to Know First
We provide independent Gelco chimney sweep services across Los Angeles, including Level 1 and Level 2 inspections, creosote removal, soot removal, and annual fireplace cleaning. Most Gelco sweep jobs in Los Angeles are completed in a single visit, usually 90 minutes to two hours depending on how much creosote has built up and how the unit is installed. We quote a written price before any work starts, so you’ll know the number before we touch the flue. If you own a Gelco fireplace or chimney system and need it swept, call (213) 652-7061 and you’ll get a live person, not a voicemail loop.
This page is for Los Angeles homeowners with Gelco products who want straight answers about what a sweep should cost, what actually happens during the service, and how Gelco systems age differently than other brands. If you’ve been putting off a sweep because you’re not sure what it involves or what it should run, this is the place to start.
How Gelco Products Fail – and How We Fix Them
- Gelco Direct Vent units trap creosote at the cap. We see this most on older Gelco direct-vent fireplaces throughout Los Angeles, especially in older San Fernando Valley homes where units run hard in December and January. The termination cap is small, and when coastal marine layer moisture meets cool exhaust, creosote condenses right at the cap screen. That narrow opening clogs, draft falls off, and the unit starts to smell. Our fix: pull the cap, clean it fully, sweep the vent run, and check termination clearances while we’re up there.
- Gelco B-Vent fireplaces accumulate fine soot in the dilution air path. On the B-Vent series, not all combustion air comes through the firebox. Some gets drawn in around the vent connection, and when that air is dirty, it deposits a fine soot film in the air passage. Owners notice a burnt-dust smell even when the fireplace hasn’t been used in weeks. Our fix during a sweep includes cleaning the dilution air path, not just the visible firebox.
- Gelco fireplace refractory panels crack before the flue gets dirty enough to sweep. This one surprises people. The refractory liners on some Gelco models are thinner than what you’d find on masonry fireplaces, and years of thermal cycling in Los Angeles homes (heat on, off, on again through our cool-season evenings) leads to hairline cracks. A sweep will remove creosote, but if the refractory is shot, the sweep alone won’t solve the real problem. We inspect those panels on every Gelco visit and tell you honestly if they can wait or need attention.
- Gelco gas log sets leave a white mineral film that reads as “soot” to the eye. Los Angeles has hard water, and gas log sets in Gelco fireplaces that use a water vapor feature or that simply burn against ceramic fiber logs sometimes develop a whitish haze from mineral content in the gas supply. It’s not creosote, and sweeping it the wrong way can damage the logs. We identify the film correctly before cleaning and use a method that won’t degrade the log set material.
- Gelco vent-free units in tight Los Angeles homes show accelerated carbon buildup on the burner. In older Los Angeles apartments and smaller mid-century homes that have been re-sealed for energy efficiency, vent-free Gelco units burn with less fresh air than the manufacturer assumed. That means carbon deposits on the burner ports and a sharper odor during operation. A sweep that skips the burner won’t fix the smell. We clean the burner surface, check the gas pressure, and tell you if the unit needs a service call beyond the sweep.
Styles & brands we work with





Our Gelco Chimney Sweep Process
Here’s what a Gelco chimney sweep with Ashby Chimney Los Angeles looks like, start to finish:
- 1
You call (213) 652-7061. A live person answers, asks what kind of Gelco system you have, and books a real arrival window. No callbacks, no forms.
- 2
We arrive and inspect before we touch anything. We do a Level 1 or Level 2 inspection depending on what’s been done before and what we see. On a Gelco unit, that means checking vent termination, the firebox, the refractory, the burner or log set, and the flue path.
- 3
We give you the written price. After we look, we tell you what the sweep will cost. That number doesn’t change unless you ask us to do more work.
- 4
We sweep and clean the full system. Creosote removal, soot removal, firebox cleaning, glass cleaning on direct vent units, cap clearing. We protect the floor and leave no film behind.
- 5
We test draft and function. After the sweep, we confirm the unit draws properly and re-check the termination for any remaining obstruction.
- 6
We show you what we found and put the guarantee in writing. If we found anything that might fail, we show you with a photo when possible, tell you the repair price, and let you decide. No pressure. Every repair we make carries a written guarantee.
Parts decisions on Gelco jobs are straightforward: if an OEM Gelco part is available and warranty-safe, we use it. If an aftermarket equivalent from a name we trust (like Copperfield or Olympia Chimney) matches the spec, we’ll tell you both prices and let you choose. We’ve also serviced systems built around DuraFlex and HeatShield liners, so if your Gelco unit ties into one of those, we know the connection points.
See the difference
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AfterWhat Gelco Chimney Sweep Costs in Los Angeles
Most Gelco chimney sweeps in Los Angeles run between $200 and $350. The price moves based on a few things: if it’s a standard open-vent Gelco fireplace with light creosote, it’s on the lower end. If you have a direct-vent unit with a clogged cap or a B-vent with years of soot, it takes longer and lands higher. A combined sweep and Level 2 inspection, which we recommend before your first burn each season, typically falls between $275 and $450 depending on roof access and how the vent is configured.
Here’s the honest breakdown for common Gelco scenarios in Los Angeles:
- Basic Gelco fireplace sweep: $200 – $275
- Gelco direct-vent sweep with cap cleaning: $225 – $325
- Gelco B-vent sweep including dilution air path: $250 – $350
- Gelco sweep with Level 2 inspection: $275 – $400
Nothing gets added to the invoice that wasn’t on the written quote. Call (213) 652-7061 for an exact number on your Gelco system. The estimate is free.
Why Los Angeles Homeowners Call Ashby Chimney Los Angeles for Gelco Work
Our technicians work on Gelco systems regularly. That matters less than you’d think for a basic sweep, but it matters a lot when a sweep uncovers a partially clogged cap, a cracked refractory panel, or a gas log set that’s been cleaned wrong before. We’ve seen enough Gelco units across Los Angeles to know what’s normal wear and what’s a developing problem.
Every Gelco sweep we do is backed by the 365-Day Done Right Promise: if it’s not done right, we make it right. Every repair we make carries a written guarantee, and if a covered repair fails inside the guarantee period, we come back and fix it at no charge. That’s the Kingswell Guarantee, and we’ve been operating under it since 2002. We also service Gelco systems alongside DuraFlex and HeatShield liners, so if your setup combines brands, we handle it in one visit.
And we mean it when we say we answer the phone. 24 hours a day, 7 days a week, a live person picks up. In Los Angeles, where contractors ghost more often than not, that alone sets us apart.
Nathan Corliss runs Ashby Chimney Los Angeles. He grew up in Atwater Village and has been cleaning flues across the LA basin for going on eighteen years. The way we see it: say the price first, put the promise in writing, and leave the firebox cleaner than you found it.
FAQs
No. An independent chimney sweep does not void a Gelco warranty as long as the service itself doesn’t damage components. We are an independent Gelco service provider, not an authorized dealer, but our process is warranty-safe: we inspect before cleaning, use appropriate methods for Gelco fireboxes, refractory panels, and gas log sets, and document what we did. If something fails later and a manufacturer questions the clean, we can show the record.
Once a year, minimum. In Los Angeles, even light seasonal use creates creosote and soot buildup, especially on direct-vent Gelco units with small caps. If you use your fireplace more than three nights a week between November and February, twice a year is smarter. Burning unseasoned wood or stacked paper accelerated buildup in Gelco units just like any other system. A quick way to lose the draft is to let a direct-vent cap clog and not know it; an annual sweep catches that before it’s a problem.
Usually no. The cap and termination on a Gelco direct-vent system are on the outside wall or the roof, and that’s where creosote and obstruction collect most. In a Los Angeles one-story home, roof access is routine. On second-story or wall-terminated installs, we work from a ladder or appropriate access. We’ll tell you exactly what access we need when you book. It’s all part of the written price.
A gas smell without visible soot is often fine-particle soot in the dilution air path or carbon buildup on a vent-free burner. Those aren’t always visible from the front of the firebox. A chimney sweep for a Gelco unit includes cleaning those hidden passages, not just the glass and logs. If we find that the odor is coming from a gas leak rather than buildup, we’ll tell you to have a licensed gas technician look at it, and we’ll pause the cleaning.
We schedule real arrival windows, usually within a few days during peak Los Angeles burn season and sooner in the off-season. Because we staff the phones 24/7, we can often fit you in on a cancellation the same week you call. Not same-day service, but fast, honest scheduling. Call (213) 652-7061 and ask.
Written by Nathan Corliss, Owner, Ashby Chimney Los Angeles at Ashby Chimney Los Angeles, serving Los Angeles and nearby areas.