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 Pomona, CA | Ontario Chimney
We provide independent Gelco chimney cleaning and repair across Pomona, including 91767, 91768, 91769, and 91797. The Gelco work we do here is shaped by one thing most companies miss: Pomona’s 1920s – 1950s bungalows and Spanish Revival homes often run original clay-tile flues that crack from decades of hot fires and Santa Ana temperature swings. That damage stays invisible from the hearth until someone knows how to look for it. Al Vickers and our Ontario Chimney crew have spent the better part of three decades doing exactly that. Call (833) 467-7685 for a free estimate on your Gelco system in Pomona.
Why Pomona Residents Choose Us for Gelco Service
Gelco chimneys are common in Pomona because the brand spans both original masonry work and newer prefabricated units that went into infill housing across 91767 and 91768. We have specialized in Gelco systems for years, which means we know their construction quirks: how the flue tiles seat, where dampers pivot, and why certain models crack at predictable stress points. Our independent status is the practical difference. We are not manufacturer-affiliated or authorized, so when we tell you a Gelco part is worn out, it is because we saw it on camera, not because a warranty program pays us to replace it. Al Vickers grew up in the Sultana neighborhood of Ontario, a few blocks from Euclid Avenue, and learned combustion fundamentals at Chaffey College before getting his hands dirty on real Inland Empire chimneys. He still calls Pomona’s older stock “the honest kind” because the flues tell you exactly what has been burned in them. For more on how we work, see our Gelco sales & service page.
Styles & brands we work with
Common Gelco Chimney Cleaning Problems We Solve in Pomona
- Cracked clay-tile flues in original 1940s Gelco masonry chimneys. We find these in Pomona’s older bungalows and Spanish Revival homes, where decades of hot fires followed by Santa Ana-driven temperature swings have split the clay liners. The crack is rarely visible from the firebox. A Level 2 inspection with a camera is how we confirm it.
- Corroded dampers and fireboxes in Gelco prefab units. Long dry summers bake the metal components, then winter use hits them with thermal cycling. We see this steadily in the newer infill construction around 91767 and 91768, where Gelco prefabricated units are common.
- Loose or spalling mortar joints on Gelco exterior chimneys. Stucco hides the deterioration until water has already worked into the masonry. We repoint the mortar and address the water intrusion before it becomes a structural problem.
- Glazed creosote buildup in Gelco wood-burning fireplaces. Pomona’s hot, dry summers harden creosote between cleanings, and the long dry season means deposits cure into a brittle glaze that a standard sweep brush will not remove. This needs mechanical removal and often chemical treatment.
- Water damage from failed Gelco multi-flue caps. The caps take direct sun and wind exposure on Pomona rooftops. A rusted, warped, or missing cap lets rain into the flue, which then accelerates every other problem on this list.
Gelco Service in Pomona: What Local Conditions Mean for Your Equipment
This is where Pomona separates from every other market in our service area. The city sits in the San Gabriel Valley foothills, and the Santa Ana winds do not just blow through; they drive ember showers during wildfire season and run hot, dry air against chimney exteriors for hours at a stretch. Combine that with Pomona’s stock of 1920s – 1950s homes, many with original, unlined or clay-tile flues, and you get a failure pattern that coastal LA chimney companies rarely encounter. Clay tile expands and contracts with heat. A 1940s flue that has seen seventy winters of hot fires and seventy autumns of Santa Ana wind has been repeatedly stressed at the mortar joints. The cracks we find in Pomona homes off of streets in the 91766 corridor are not random failures. They are predictable fatigue points. That is why our Gelco cleaning work here is never just a sweep. We inspect the flue structure as part of the job, because a clean flue with a cracked liner is still a dangerous flue. Generic companies serving the wider Inland Empire miss this because they treat Pomona like any other stop on the route. We do not.
Gelco Models & Products We Service in Pomona
We service all Gelco product lines you are likely to find in Pomona: prefabricated metal fireplaces, wood-burning fireplace inserts, gas fireplace systems, and multi-flue or custom chimney caps. For critical components like dampers and caps, we source OEM Gelco parts when they are available. For non-structural items where a quality aftermarket equivalent performs identically, we offer that option to keep the repair cost reasonable. We carry common Gelco-compatible brushes, gaskets, and cap hardware on the truck, so most Pomona service calls do not require a second trip. If your Gelco chimney has structural damage, we will show you the camera evidence and give you a straight repair-versus-replace assessment. We do not push a full rebuild when targeted mortar repointing or a HeatShield resurfacing will restore the flue. For background on the full Gelco line, see Gelco sales & service.
See the difference
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AfterGelco Service Pricing in Pomona
A standard Gelco chimney cleaning and inspection in Pomona typically runs between $180 and $340, depending on the system type, flue condition, and whether significant creosote removal or mortar work is needed. Prefab units in 91767 and 91768 are often on the lower end because access is straightforward. Original masonry chimneys with glazed creosote and deteriorated mortar land higher, and crack repairs or liner work are quoted separately after the camera inspection. Three things drive the cost: the level of creosote buildup, the flue length, and whether the chimney has seen recent water intrusion. Our free estimate includes a visual inspection and a plain-spoken explanation of what you actually need, not a sales script. Call (833) 467-7685 for an exact quote on your Gelco system in Pomona. We will tell you what we found, show you the evidence, and give you options.
Serving Pomona, CA — Our Local Coverage Area
We’re based in the Pomona area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in Pomona
Once per year at minimum for a wood-burning Gelco fireplace in Pomona, and twice per year if you burn more than two cords of wood per season. Pomona’s long dry season lets creosote harden between cleanings, and glazed creosote is much harder to remove than the fresh stuff. If you use the fireplace only occasionally, an annual Level 1 inspection with a sweep is still the safe baseline.
Black, flaky or shiny creosote visible on the firebox walls, a smoky smell that lingers after fires, difficulty opening or closing the damper, or rust streaks on the face of the unit. On Gelco prefabs in Pomona’s infill neighborhoods, we also watch for warped panels and deteriorated refractory panels, which the dry heat and winter thermal cycling eventually take apart. Any of these signs means a Level 2 inspection is worth scheduling. Call (833) 467-7685 and we will check it.
Yes, in most cases. A cracked clay-tile flue in a Pomona Gelco masonry chimney can often be repaired with HeatShield ceramic resurfacing, which restores a smooth, insulated flue surface without a full liner replacement. The alternative is a DuraFlex stainless steel liner, which is the right call when the existing tile is heavily spalled or the flue is offset. We will show you the camera footage and walk through both options with honest costs.
Yes, and this matters more here than in most cities. Pomona’s dry heat and Santa Ana winds accelerate mortar erosion, and water intrusion through hairline cracks is what turns minor repointing into a structural repair. We recommend a breathable masonry waterproofing on all exposed Gelco chimney surfaces after repointing. It lets the masonry vent while keeping rain out, and it extends the life of the mortar joints by years.
Yes. We service Gelco gas fireplace systems, including log sets, gas valves, pilot assemblies, and venting. Gas fireplaces still accumulate debris, dust, and combustion residue in the flue, and the burner and pilot need seasonal inspection to burn cleanly. If you smell gas or notice soot on the glass, that is a signal to schedule service. Call (833) 467-7685 and we will get it done.
Service Areas Near Pomona
Our Gelco service covers Pomona and the surrounding cities. We regularly work in Pomona service area neighborhoods and nearby communities including Ontario, Montclair, Chino, Claremont, and Upland. That also includes the bordering communities of Gelco service in San Antonio Heights and Gelco service in Los Serranos, where we see the same aging chimney stock and seasonal fire-use patterns.
Book Your Gelco Service in Pomona Today
A clean flue isn’t a luxury, it’s just how the thing is supposed to work. If your Gelco chimney in Pomona has not been inspected this season, call Ontario Chimney at (833) 467-7685 for a free estimate. We will tell you what you need and what you can safely skip.
Written by Al Vickers, Owner at Ontario Chimney, serving Pomona and the Inland Empire.