Gas fireplace service
Sweep & inspection
Caps & crowns
Flue relining
Masonry repairLevel 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.
Why Jacksonville Homeowners Choose Gelco Chimney Cleaning
We’re Alcott Chimney Jacksonville, and we provide independent Gelco chimney cleaning, inspection, and repair service throughout Jacksonville. Our techs recover, diagnose, and clean Gelco chimney systems for Jacksonville homes each week, mostly the stainless rigid and flexible liner systems paired with masonry fireplaces. That hands-on volume gives us direct knowledge of how Gelco components actually perform in Northeast Florida’s high-humidity, salt-air environment, not how they behave in a manufacturer’s test lab. We are not affiliated with or authorized by Gelco. We’re an independent service provider, which means we recommend what’s right for your chimney, not what protects a brand relationship. If you need Gelco service in Jacksonville, call (904) 453-7823 for a written estimate before any work starts.
Why Trust Alcott Chimney Jacksonville for Your Gelco Chimney Cleaning?
Ruben Castellano, our owner, learned the chimney trade through hands-on coursework at Los Angeles Trade-Technical College before spending years working flues up and down the West Coast. He brought that background to Jacksonville, where he and our crew have cleaned and inspected fireplaces from Riverside homes to properties near Friendship Fountain. Ruben keeps a running notebook of every unusual thing he has pulled out of a firebox, and he’ll absolutely tell you about the raccoon nest in Riverside if you give him half a chance. More to the point: he’ll also tell you exactly what he found in your Gelco liner, in plain English, without scare tactics.
Our technicians work on Gelco systems constantly. They know the 4-inch, 5.5-inch, and 6-inch flexible liner models, the caps with spark arrestors, and the common ways these components fail in Jacksonville specifically. They know what a corroded liner-to-appliance connector looks like on camera, and they know which aftermarket stainless parts meet or beat the original Gelco spec. Every technician is background-checked, identity-verified, uniformed, and announced to you by name and photo before arrival. You’ll know who’s coming before the truck pulls into your driveway. And every Gelco job includes a written price before work begins and a written guarantee on every repair. If a repair fails within the coverage period, the second visit is free. That’s our 365-Day Done Right Promise, and it applies to Gelco work the same as everything else we do.
Key Takeaways
- We service Gelco 4-inch, 5.5-inch, and 6-inch flexible chimney liners plus Gelco caps with spark arrestors.
- We’re an independent Gelco service provider, not an authorized dealer. That means honest repair-vs-replace guidance.
- Every Gelco job includes a written price before work begins and a written guarantee on every repair.
- We operate throughout Jacksonville, including Arlington, Mandarin, Riverside, Avondale, and surrounding neighborhoods.
- Call (904) 453-7823 and a live person answers. No voicemail queue.
Styles & brands we work with
Common Gelco Chimney Cleaning Problems We Fix in Jacksonville
Here’s what we actually see on Gelco systems in Jacksonville, week after week. If any of these sound familiar, we can diagnose them with a camera inspection and show you the footage.
- Corrosion at the liner-to-appliance connector. This is the most common Gelco failure we find in Jacksonville, and the salt-air humidity here makes it worse than inland. Acidic flue gases condense at the connector joint where the liner meets the stove or insert, and that thin stainless eats through faster than most homeowners expect. We see this on Gelco 6-inch liners especially, because the higher gas volume means more condensation at the transition point.
- Creosote glaze buildup inside the liner. Jacksonville’s damp winters mean fireplaces get used intermittently, and that stop-start pattern is ideal for creosote glaze formation. Homeowners burning unseasoned wood or running the damper too tight make it worse. Glaze is the hard, shiny creosote that’s hardest to remove, and it’s a chimney fire waiting for an ignition source. A standard brush sweep won’t always get it; we sometimes need rotary cleaning tools to break it down.
- Failed cap mesh from salt-air pitting. Gelco caps with spark arrestor mesh work fine until Jacksonville’s coastal air gets into the mesh. We replace rusted cap mesh regularly, especially in Mandarin and Arlington where wind-driven rain adds to the corrosion. Once the mesh fails, birds nest inside the liner, debris blocks airflow, and you get smoke backing up into the house.
- Warped or cracked liner sections after a chimney fire. Gelco stainless liners are durable, but they’re not indestructible. A chimney fire can warp or crack liner sections, and the damage is sometimes invisible from the top or from the fireplace opening. That’s why we always recommend a Level 2 camera inspection after any chimney fire, even a small one you put out yourself. We’ve found cracked Gelco sections that looked fine from both ends.
- Odor that won’t go away after a standard sweep. If you’ve had a basic sweep and the smell persists, there’s usually moisture getting into the liner or a hidden creosote pocket the brush didn’t reach. In Jacksonville’s humid climate, damp creosote smells worse and lingers longer. We trace the source with a camera, not a guess.
Last fall our crew pulled a Gelco 6-inch liner from a 1980s brick chimney in Arlington. The homeowner called about a smoky smell, but our Level 2 camera inspection found the liner-to-connector joint had rusted through, allowing flue gases into the chase. We removed the failed section, replaced it with a new stainless connector, and completed a full creosote sweep. The smoke smell was gone that evening. That’s the kind of diagnosis that only comes from looking inside the flue with a camera, not estimating from the fireplace opening.
Gelco Parts & Our Repair-vs-Replace Approach
We use Gelco OEM parts when we can get them quickly. That’s the straightforward part. But for liners and caps, we often recommend quality aftermarket stainless that meets or exceeds the original spec. Gelco components aren’t always worth a long lead time in Jacksonville. If a liner section is heavily corroded, or if the cap rusted through the mesh, waiting two weeks for an OEM part while your fireplace sits unusable doesn’t serve you. We stock common stainless connector sections, cap bases and meshes, and liner clamps in the truck, so most Gelco repairs happen same-trip rather than same-month.
When we assess a Gelco liner, we look at the full picture: corrosion depth, warping, creosote severity, and the age of the system. A small connector replacement is often all you need. But if a Gelco liner is heavily corroded or warped after a chimney fire, we’ll tell you honestly when a full replacement makes more sense than a patch. Patching a liner that’s already failing in three places is just buying time, and we’d rather give you a real answer than a temporary fix. Call (904) 453-7823 and we’ll walk you through what we’d recommend for your specific Gelco setup.
Our Gelco Service Process – Step by Step
- 1
Diagnosis. We start with a visual inspection at the fireplace and the chimney top. Then we run a camera through the Gelco liner to check for corrosion, creosote glaze, cracked sections, and cap condition. You see the footage yourself. No hidden opinions.
- 2
Written estimate. Before we touch a tool, you get a written price for what needs doing. If it’s a sweep, a connector replacement, a cap swap, or a full liner replacement, the number is on paper before work starts. Not after.
- 3
Repair or cleaning. For Gelco liners, we clean with brushes and rotary tools matched to liner diameter (4-inch, 5.5-inch, or 6-inch). For repairs, we use Gelco OEM parts when available and quality aftermarket stainless when they’re the better choice for speed and durability.
- 4
Test and verify. After every Gelco job, we run a second camera pass to confirm the liner is clean, connectors are solid, and the cap mesh is intact. We also test draft to make sure smoke moves up and out. If something’s not right, it gets fixed before we leave.
- 5
Written guarantee. Every Gelco repair comes with a written guarantee. If it fails within the coverage period, the second visit is free. That’s the 365-Day Done Right Promise, and it’s included on every completed job. No extra charge, no fine print.
See the difference
Before
After
Before
After
Before
AfterGelco Products We Service & Install in Jacksonville
We work on the Gelco product lines most common in Jacksonville Beach Gelco service areas and throughout the city: the 4-inch flexible chimney liner for small wood stoves and gas inserts, the 5.5-inch flexible liner for mid-sized appliances, and the 6-inch flexible liner for open masonry fireplaces and larger inserts. We also service and replace Gelco chimney caps with spark arrestors, including cap bases and mesh. If you need a cap replacement on a Gelco liner, we stock standard cap bases and stainless meshes locally so the repair usually happens the same visit. We don’t stock full Gelco liner kits on the truck, but we can source them quickly through our supplier network and we’ll tell you up front if a quality aftermarket stainless liner makes more sense for your timeline and budget.
We Also Service These Brands
Gelco is a brand we know well, but it’s not the only one we work on. We also service and install DuraFlex liner systems and HeatShield resurfacing products throughout Jacksonville. If you have a mixed system, or if you’re not sure what liner brand you have, we can identify it during a standard inspection and recommend service accordingly. Multi-brand experience means we recommend what fits your chimney, not what fits our inventory sheet.
FAQs – Gelco Chimney Cleaning Service in Jacksonville
In Orange Park Gelco service areas and throughout Jacksonville’s humidity, we recommend a Gelco liner sweep every year if you burn wood regularly, and every two years even with light use. The damp subtropical air accelerates creosote condensation inside the liner, especially during our mild but wet winters when fireplaces get intermittent use. That stop-start pattern creates the exact conditions for creosote glaze to form. If you’re burning unseasoned wood, or if you notice a smoky smell even when the fireplace isn’t in use, don’t wait. Call (904) 453-7823 and we’ll schedule a camera-confirmed sweep.
Most Gelco liner problems are repairable. A corroded connector, a damaged cap base, a small section of pitted stainless – those are typically fixable with replacement components. Full liner replacement only makes sense when the corrosion is extensive, the liner has warped from a chimney fire, or the stainless is so thin it’s failing in multiple spots. We’ll show you the camera footage and give you an honest recommendation either way. We don’t sell replacement liners to people who don’t need them.
Sometimes yes, sometimes no. If the cap base is still structurally sound and only the mesh is pitted, we can replace the mesh screen and keep your existing cap. But in Jacksonville’s salt-air environment, by the time the mesh is rusted through, the cap base is often compromised too. We’ll check both during the inspection and tell you what actually needs doing. If the base is fine, we won’t sell you a new cap. If it’s failing, mesh replacement alone won’t hold for more than a season.
That smell usually means moisture is getting into the liner, or there’s a creosote pocket the brush didn’t reach. In Jacksonville, damp creosote smells stronger and lingers longer, especially during humid stretches. A standard brush sweep clears loose soot, but it won’t remove hardened creosote glaze, and it won’t fix a liner-to-connector joint that’s letting moisture in. For thorough cleaning, consider our Chimney Sweep services. We use camera inspection to find the actual source of the odor, then clean or repair accordingly. Call (904) 453-7823 and describe what you’re smelling. Tell me what you’re seeing and I’ll tell you what it actually means.
Yes. Gelco flexible liners are commonly used with gas fireplace inserts, and the 4-inch and 5.5-inch diameter liners are typical for gas applications. The key with gas systems is that they produce acidic condensation that eats through thin stainless faster than wood-burning systems. If you have a gas insert connected to a Gelco liner, we recommend a Level 2 camera inspection every other year to check for corrosion at the connector joints. Gas liners can look fine from the outside and still be failing inside.
A standard Gelco chimney sweep in Jacksonville typically runs $189 to $289, depending on liner length, access, and how much creosote has built up. If we find corrosion or cap damage during the inspection, we’ll give you a separate written estimate before any repair work starts. Camera inspections are included with our full sweeps, so you see exactly what’s in your liner. Call (904) 453-7823 for an exact quote, estimates are free and there’s never a surprise charge at the end.
Book Your Gelco Service in Jacksonville, FL
If you have a Gelco liner, cap, or full chimney system in Jacksonville, we can clean it, inspect it, and repair it properly. You’ll get a written price before work starts, a camera-verified inspection report, and a written guarantee on every repair. Call (904) 453-7823. A live person answers, day or night.
Written by Ruben Castellano, Owner at Alcott Chimney Jacksonville, serving Jacksonville since 2002.