Gelco Chimney Sweep Nationwide

Every visit starts with

Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed

Worth knowing

Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.

Styles & brands we work with

Sweep & inspection
Sweep & inspection
Caps & crowns
Caps & crowns
Flue relining
Flue relining
Masonry repair
Masonry repair
Gas fireplace service
Gas fireplace service

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Gelco Chimney Sweep in Los Angeles: What to Know First

Gelco chimney sweep in Los Angeles runs from straightforward – a Level 1 sweep and inspection on a well-maintained unit – to involved, depending on how the cap, chase, and flashing have held up in our marine-layer climate. We service Gelco fireplaces and chimneys as an independent Gelco service provider, which means we answer to you, not a warranty department. Most jobs take one visit, we hand you a written price before any work starts, and we back every repair with a 365-day guarantee. If you own a Gelco unit and want to know what’s happening inside it, call (336) 863-3889 and a live person picks up.

Call (336) 863-3889

This page is for homeowners in Los Angeles who have a Gelco fireplace or chimney and want straight information before they book a sweep. Ruben Castellano has worked chimneys across this city for the better part of two decades, and his techs see Gelco units regularly enough to know their quirks.

How Gelco Products Fail – and How We Fix Them

Gelco makes solid, often builder-spec fireplace and chimney components, but Los Angeles conditions expose weak points that don’t show up in showrooms or manuals. Here’s what we actually find when we pull the damper plate off a Gelco unit in LA:

  • Creosote glazing on pre-fab flue liners. Many Gelco factory-built fireplaces in homes from the 1980s and 1990s use thin-walled metal flues. When those flues run cool – common in our mild winters where fires are short and low – creosote condenses into a hard, glossy glaze rather than fluffy soot. Brushing alone won’t remove it; you need mechanical rotary tools and the right chemical treatment to break it down. We do this regularly on Gelco installations from the San Fernando Valley to the Westside.
  • Chase cover rust-out on Gelco prefab units. The galvanized chase cover on a factory-built Gelco chimney is the first thing to go in Los Angeles, especially within ten miles of the coast. Salt air plus the seasonal damp from June gloom accelerates rust. A rusted chase cover lets water drip down into the fireplace, and by the time you see a water stain on the ceiling, the flue has been wet for months. We inspect the chase cover on every Gelco sweep, and when we replace one, we write you a guarantee that covers it for a full year.
  • Warped or seized damper assemblies on Gelco fireplaces. A damper that hasn’t been moved in years – and we’ve opened plenty that haven’t moved since before the Clinton administration – will either seize up or warp from repeated heat cycling. A warped damper won’t seal, which means conditioned air escapes up the chimney all summer and smoke can backdraft during fires. On Gelco units we often find the original damper is beyond saving, and we’ll tell you that plainly instead of lubricating a dead hinge and calling it done.
  • Flashing and counterflashing failures where Gelco chimneys meet LA roofs. On Hills homes in Echo Park, Mount Washington, and Silver Lake, chimneys sit on steep or multi-plane roofs. Gelco prefab chimneys have a specific flashing kit, and when a previous owner used generic flashing or when the original kit was installed poorly, you get slow leaks that rot the surrounding framing. We inspect the roof penetration on every Level 2, because a chimney sweep that ignores the flashing is missing half the job.
  • Soot build-up in Gelco gas log sets. Gelco gas fireplaces, especially older vented log sets, accumulate a fine, dirty soot that’s different from wood creosote. It’s a sign of improper air-to-fuel mixture, clogged burner ports, or a log set that’s been rearranged incorrectly at some point. Some sweep companies will just wipe the glass and go. We clean the burner, check the orifice, and verify the log placement matches the Gelco spec so the sooting doesn’t return in three weeks.

Our Gelco Chimney Sweep Process

Every Gelco sweep we do in Los Angeles follows the same sequence, and you’ll know exactly what’s happening the whole time. We don’t do mystery work.

  1. 1
    You call and talk to a real person. Not a phone tree. You describe what you’re seeing – smoke backing up, a smell, a stain, or just “it’s been a while.” We’ll ask a few questions and book a time, and before the appointment we send you the technician’s name and photo. That’s the Threshold Standard, and it’s not optional.
  2. 2
    The tech arrives badged and ID-verified. You’ll recognize the person at the door from the photo we sent. They’re background-checked and identity-verified before they ever step onto your property. No surprises, ever.
  3. 3
    We inspect before we touch anything. Level 1 or Level 2 depending on what you need – and if you’re in a hillside home with a complicated roof or you’ve recently bought the house, we’ll recommend Level 2. We look at the Gelco flue, the damper, the chase cover, the flashing, and the firebox. If we find damage, we show you. Camera inspection and photo report are part of how we work.
  4. 4
    You get a written price before any work starts. No verbal estimates, no handshake numbers, no “we’ll see when we’re in there.” The price we write down is the price you pay. If we recommend a repair, we’ll explain what it is, why it’s needed, and whether it can safely wait.
  5. 5
    We do the sweep, using the right method for your flue. Gelco prefab liners and masonry chimneys need different approaches, and we don’t treat them the same. Rotary cleaning for glazed creosote, standard brushing for light soot, and careful attention to the smoke shelf and damper.
  6. 6
    We test, we clean up, and we guarantee the work. Before we leave, we verify draft and check that the damper operates. The work area is left cleaner than we found it. Every repair we make carries a written guarantee, and if that repair fails within the coverage period, the second visit is free. That’s the 365-Day Done Right Promise.

What Gelco Chimney Sweep Costs in Los Angeles

A standard Gelco chimney sweep with a Level 1 inspection in Los Angeles typically runs $189 to $289 if the flue is in normal shape. If we need rotary cleaning for glazed creosote – common on older Gelco prefab units that have gone a few seasons without service – expect to add $75 to $150. A Level 2 inspection, which we recommend when you’ve just bought the house or had a chimney fire, runs $249 to $399 depending on roof access.

Repairs move the number, and here’s where we’re straight with you: a new chase cover on a Gelco prefab might be $300 to $600 installed. A damper replacement can run $250 to $500. A stainless liner, when the original Gelco flue is compromised, can be $1,800 to $3,200 depending on height and access. We show you the camera footage before we quote anything, and if the work can wait, we tell you that too. Call (336) 863-3889 for a free estimate with no obligation.

Why Los Angeles Homeowners Call Alcott Chimney Sweep for Gelco Work

We’re not the cheapest chimney company in Los Angeles, and that’s deliberate. Competing on price means cutting corners on background checks, skipping camera inspections, and sending a different tech than the one you were promised. We’d rather earn your trust the slow way. Every Gelco job includes a written price before work starts, a written guarantee on every repair, and a technician you know by name and photo before the truck ever pulls up.

Serving homeowners since 2002 as part of the Threshold Group family, we install and service professional trade materials – DuraFlex for liner systems, HeatShield for resurfacing, Gelco, Olympia Chimney, Famco, and Copperfield. That means when a Gelco component is beyond repair, we’re not improvising with a box-store substitute. We use the parts the pros specify.

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