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 Cleaning in Covina, CA | San Bernardino Chimney Sweep
We provide independent Chimney Sweep in Covina for Gelco systems across the 91722, 91723, and 91724 ZIP codes. What makes our Gelco work here different is simple: most Covina chimneys are original masonry flues from the 1950s and 60s that were never relined, so a sweep here is rarely just a sweep. It’s a liner assessment, a crown check, and a debris removal job rolled into one. Call (877) 516-7159 for a free estimate.

Why Covina Residents Choose Us for Gelco Service
We’re not a general handyman crew that occasionally looks at a fireplace. Our team, led by Allen Prescott, works exclusively on chimney and ventilation systems, and we’ve spent years servicing Gelco inserts in the specific housing stock Covina has in abundance: postwar ranch homes with original brick fireplaces and clay-tile liners. That matters because pulling a Gelco insert out of a 60-year-old masonry flue is not the same job as servicing a modern prefab unit in a newer tract.
We’re an independent service provider, not authorized or endorsed by Gelco. That independence is exactly why we can be straight with you about what your unit actually needs. When a Gelco damper is seized or a firebox panel is warped, we’ll tell you whether an OEM part is worth the wait and cost, or whether a quality aftermarket equivalent will get you burning safely for a lot less. We carry contractor-grade parts from brands we trust, and we don’t substitute hardware-store pieces just to keep the job cheap. If you own a Gelco insert in Covina, you’ll get service from people who know the unit and the flue behind it. Visit our Gelco sales & service page for more on the full range of units we handle.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Covina
- Soot-packed flue tops after Santa Ana events. Covina sits at the base of the San Gabriel Mountains, and when those winds blow, palm fronds and dry foliage end up on roofs and in chimney chase tops. We routinely find spark arrestors so jammed with debris that the flue can’t draft properly. A Gelco insert connected to that flue will smoke back into the room, no matter how clean the firebox is.
- Cracked and spalled clay tiles behind Gelco inserts. In Covina’s 91722 and 91723 tracts, the original clay-tile liners from the 1950s and 60s were never relined. When we pull a Gelco wood insert for a Level 2 inspection, cracked or missing tiles are a common find. That’s not a Gelco defect, but it is a condition every Gelco owner should know about before assuming the insert is the problem.
- Rusted dampers and warped firebox panels. Mild valley winters mean Covina fireplaces sit unused for months. Moisture gathers, and iron dampers seize. Gelco dampers and firebox panels hold up well, but decades of idle seasons followed by heavy holiday use take a toll. We replace dampers and gaskets with OEM Gelco parts where they’re still available.
- Animal nests in idle flues. When a fireplace goes unused from March through October, birds and rodents find the flue. We’ve pulled everything from twig nests to squirrel debris out of Covina chimneys. The first burn of the season pushes that smoke right back into the living room.
- Creosote buildup in wood-burning Gelco inserts. Covina households that burn real wood, even occasionally, build up creosote faster than they’d expect. The mild climate means cooler, lower-temperature fires that produce more creosote, not less. A Gelco insert with glazed creosote on the flue walls is a chimney fire waiting for a hot burn.
Gelco Service in Covina: What Local Conditions Mean for Your Equipment
Here’s what you need to know about owning a Gelco insert in Covina specifically. The city’s core, around downtown and through the 91722 and 91723 tracts, was built out in the 1950s and 60s. Those are single-story ranch homes and stucco tract houses with original brick fireplaces and clay-tile flue liners that have been in service for 50, 60, sometimes 70 years and were never relined. So a Gelco insert sweep in that part of Covina is almost always also a liner and crown assessment. You can’t clean what’s already crumbling behind the unit.
But head up toward the 91724 foothill edge and the picture changes. Those homes are mostly 1970s and 80s construction, larger masonry fireplaces, and more prefab inserts installed as original equipment. The flue design and wear patterns are different. We see fewer spalled tiles and more issues with chase covers, flashing, and older prefab connectors. The point is that your Gelco unit’s real condition depends on where in Covina it sits. We see both housing types every week, so we know what to look for before we even set up the ladder. Our full Covina service area coverage includes both the flatland tracts and the foothill neighborhoods.
Gelco Models & Products We Service in Covina
We service the full range of Gelco fireplace products you’ll find in Covina homes. That includes Gelco wood-burning fireplace inserts, Gelco glass-door fireplace units, Gelco heat-circulating fireplace inserts, and Gelco gas fireplace insert lines. When a part needs replacing, we use OEM Gelco components where they’re still available for dampers, glass, gaskets, and glass clips. For discontinued pieces, we source quality aftermarket equivalents that match the original spec. We keep common Gelco-compatible gaskets and damper hardware stocked for faster Covina turnaround, and anything unusual we order directly through our supplier network. You won’t be told to replace a 30-year-old Gelco insert over a $40 gasket.
See the difference
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After
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Before
AfterGelco Service Pricing in Covina
A standard Gelco chimney sweep and inspection in Covina runs between $189 and $249 for a Level 1 service. That covers a full flue cleaning, a visual inspection of the accessible firebox and damper, and a report on what we found. If a Gelco insert is pulled to inspect the liner behind it, expect $300 to $550 for a Level 2 inspection, which includes camera documentation of the flue condition. We do not quote repairs over the phone from a photo. We’ll tell you what we found, show you the camera footage, and give you a written price before any work moves forward. Call (877) 516-7159 and we’ll set up an estimate. It’s free, and you’ll know exactly what your Gelco needs.
Serving Covina, CA — Our Local Coverage Area
We’re based in the Covina area and know this community well, and we also handle Gelco service in Irwindale. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in Covina
If your Gelco insert has never been pulled and the flue behind it has never been camera-inspected, you need a Level 2. Level 1 covers what we can see without dismantling the installation. In a Covina home with an original 1950s or 60s clay-tile liner, the entire point of the inspection is what’s hidden behind the insert. We recommend Level 2 for any Covina Gelco owner who hasn’t had one done since buying the home. Call (877) 516-7159 and we’ll walk you through what the inspection includes.
Santa Ana winds drive palm fronds, leaves, and debris onto Covina roofs and straight into chimney openings, and we see the same pattern providing West Covina Gelco service. The spark arrestor at the flue top fills with that material, the flue can’t draft, and smoke rolls back into the room through your Gelco unit. We see this constantly after wind events. The fix is a flue-top cleaning and a proper spark arrestor inspection. It’s also worth booking a sweep before fall burns rather than discovering the problem on the first cold evening.
Yes. We service Gelco gas fireplace insert lines alongside the wood-burning models. Gas units still need regular inspections for venting, burner condition, and safety shutoffs. A gas insert in a Covina chimney with a failing clay-tile liner is a carbon monoxide concern, not just a nuisance. We inspect the full system, not just the fireplace itself. Call (877) 516-7159 to schedule a gas insert service.
It’s a masonry problem, and it’s everywhere in Covina and nearby communities like Gelco in Azusa. Original mortar crowns from the 1950s and 60s have spent decades under San Gabriel Valley sun and Santa Ana winds, and they crack. Water enters, the liner degrades, and your Gelco insert is working against a failing chimney. Crown repair is part of what we do, and we always pair it with a flue inspection. Fixing the masonry protects the Gelco unit and the house. We’ll quote the crown work separately from the insert service so you know exactly what each part costs.
Before the first fall burn, no question. Covina chimneys sit idle through long, warm months, and every creature and every wind event between March and November is adding debris to the flue. Booking in early fall means we find and clear the problem before you and your family are standing in a smoky living room. Post-holiday sweeps matter too, especially if you burn heavily through December and January, but the fall appointment is the one that keeps you safe through the season. Call (877) 516-7159 before the first cool night and we’ll get you on the schedule.
Service Areas Near Covina
Beyond Covina, our crews regularly work in nearby San Gabriel Valley and Inland Empire communities. We service Gelco service in Citrus, Azusa, Glendora, West Covina, and Baldwin Park. Further east, we cover Gelco service in Wildomar and the surrounding foothill areas. If you’re within a short drive of Covina, there’s a good chance we’re already working in your neighborhood.
Book Your Gelco Service in Covina Today
Don’t wait for the first cold night to discover your Covina chimney has a winter’s worth of debris in it. Call (877) 516-7159 to book a Gelco sweep and inspection. We’ll give you a straight answer about what’s in your flue, what your Gelco unit needs, and what can safely wait. A clean flue isn’t a luxury, it’s just how you keep the fire where it belongs.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep, serving Covina and the San Gabriel Valley.