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 Claremont, CA | Ashwood Chimney Sweep
We provide independent Gelco chimney cleaning, inspection, and component service throughout Claremont and Gelco service in Upland. As an independent provider, not a manufacturer affiliate, we’re free to tell you exactly what’s failing and whether a repair makes sense. What sets our Gelco work apart in Claremont comes down to one thing: we know how Gelco caps and dampers actually behave on 1920s brick flues under Santa Ana wind. Call (833) 805-3229 for a free estimate.
Why Claremont Residents Choose Us for Gelco Service
Gelco makes solid chimney caps and dampers, but they age differently in Claremont than they do in, say, a coastal city with marine air. The dry heat and wind here stress stainless fasteners, crack seals, and tear screens faster than most homeowners expect. We’ve been working on Gelco products in Claremont’s older housing stock long enough to know which components fail first and which ones are still worth saving. Norm Castillo, our owner, grew up off Sierra Avenue in Fontana and trained through the Chaffey College HVAC and building systems program before narrowing his focus entirely to chimneys and venting. He’s been working the Inland Empire for close to two decades. When you call us for Gelco service in Claremont, you get someone who treats your fireplace as a whole system, not just a cap to swap. Gelco sales & service is a core part of what we do, and we stock OEM-compatible parts locally for faster turnaround.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Claremont
- Rust-through on Gelco stainless caps after Santa Ana seasons. The wind here doesn’t just buffet the cap. It carries fine grit that slowly works on the screen and lid. After enough dry seasons, we see pinholes that let rain into unlined flues. We replace these with new Gelco or quality aftermarket stainless sized to the existing clay tile.
- Seized or snapped Gelco top-mount damper cables. Dry heat bakes the cable housing. The cable gets stiff, then seizes, then snaps when someone forces the handle. That leaves the flue stuck open, pulling warm air out of the house all winter. We replace the cable assembly or the full damper depending on what we find.
- Torn Gelco cap screens admitting birds into smoke chambers. In Claremont’s Historic District, this is one we see constantly. A torn screen on an aging multi-flue cap gives birds a clear path into a smoke chamber that may not have been opened since the house was built. We clean what they left behind and replace the cap.
- Degraded Gelco insert surrounds and gaskets. Claremont’s burn season is short and hot. Homeowners light a fire for a few hours, then let it die completely. That thermal cycling, combined with heavy creosote from rapid burns, hardens and cracks insert gaskets faster than gradual use would. We replace gaskets and assess the surround before leaks become structural.
- Loose fasteners from repeated wind loading. Santa Ana gusts work on cap mounting brackets until they loosen. A loose Gelco cap rattles, shifts, and eventually lets water under the flashing. We inspect fasteners during every cleaning and re-tighten or replace as needed.
Gelco Service in Claremont: What Local Conditions Mean for Your Equipment
Claremont’s Historic District near the Claremont Colleges gives us a window into chimney systems that haven’t changed much since 1925. The original Craftsman and Spanish Colonial homes were built with brick fireplaces meant for occasional use, not sealed-combustion efficiency. Many of those flues are unlined or lined with clay tile that’s now cracking. When a Gelco cap sits on top of a flue like that, it’s doing heavier lifting than the same cap would on a modern stainless liner system. We routinely open 1920s fireplaces in this neighborhood that have never been swept, finding bird nests and soot packed into the smoke chamber beneath an aging Gelco cap. That means our Gelco work in Claremont starts with an assessment of the flue itself, not just the component on top. A new cap won’t fix a flue that’s failing from the inside. We tell owners when the Gelco part can be repaired or replaced and when the flue itself needs relining. That’s the honest conversation a lot of companies skip.
Gelco Models & Products We Service in Claremont
We service Gelco multi-flue stainless caps, single-flue chimney caps, top-mount dampers, and fireplace inserts. For repairs, we fit OEM Gelco components when the original is still serviceable. When OEM isn’t practical, whether because of availability or because a better stainless option exists for the application, we use quality aftermarket parts from professional trade suppliers. We keep common cap sizes and damper hardware stocked locally so Claremont service doesn’t drag out waiting on a shipment. If you’re in the Claremont service area, we can usually complete a cap replacement or damper cable repair in a single visit.
See the difference
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AfterGelco Service Pricing in Claremont
Gelco chimney cleaning and inspection in Claremont typically runs $180 to $340, depending on the condition of the flue, whether we’re dealing with animal debris, and whether cap or damper work is needed. Cap replacement adds material cost, usually $120 to $450 depending on the cap type and whether it’s single-flue or multi-flue. A top-mount damper replacement generally lands between $250 and $600. What drives cost here is access: some Historic District roofs are steep, some chimneys are hard to reach, and century-old flues take more time to inspect properly. Our free estimate includes a camera inspection of the flue interior so you can see what we’re seeing before you spend a dollar. Call (833) 805-3229 for an exact quote. Estimates are free.
Serving Claremont, CA — Our Local Coverage Area
We’re based in the Claremont area and also provide Montclair Gelco service, so we 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 Claremont
Sometimes, but not always. Gelco screens are welded into the cap frame on most multi-flue models, not bolted on as a separate panel. If the screen tear is small and the frame is solid, a local metal shop repair can work. If the rust has spread or the weld points are failing, replacing the whole cap is usually cheaper and faster than trying to patch it. Call (833) 805-3229 and we’ll tell you which one applies to your cap after we look at it.
It depends on what’s seized. If the cable housing is gunked up and the cable itself is intact, we can often free it and re-lubricate without replacing anything. If the cable has snapped or the damper plate is warped from years of dry heat, replacement is the realistic option. We’ll show you the problem during the inspection. Call (833) 805-3229 for an exact diagnosis.
Yes, when the cap is in good condition and sized correctly. A properly fitted Gelco cap with intact screening keeps birds, bats, and squirrels out of the flue. The problem in Claremont’s Historic District is that many Gelco caps have been on those chimneys since the 1990s, and the screens are now torn. A torn screen is an open door. Replacing the failing cap and hand-sweeping what got in below it solves both problems at once.
If you burn wood, service it annually, ideally before the first fire of the season, including Gelco repair in San Antonio Heights. Claremont’s short, hot burn cycles create heavier creosote than slow, steady burning does, and that creosote sits on the insert gaskets and surround until next season. Annual service keeps the gaskets from hardening and gives us a chance to catch small issues before they become liner problems. Call (833) 805-3229 to schedule before the cold nights start.
Yes. We won’t install a new Gelco cap or damper on a flue without looking at the inside first. That means a camera inspection. If the clay tile is spalled or the mortar joints are failing, a new cap won’t help. You need to know what’s happening below before you spend money on what’s above. We’ll show you the footage and be clear about what actually needs fixing now versus what can wait.
Service Areas Near Claremont
Beyond Claremont itself, we handle Gelco service in Fontana, Bloomington, Rialto, Sunnyslope, and Glen Avon. The Inland Empire shares similar housing age and wind exposure, so the same Gelco failure patterns show up across the region. See our Gelco service in Corona and Gelco service in March Air Force Base pages if you’re on the other side of the county.
Book Your Gelco Service in Claremont Today
We also handle Gelco repair in La Verne with the same materials professional contractors specify. Clean, inspect, repair, all in one call. Reach us at (833) 805-3229 for a free estimate, and we’ll get your Gelco system working right before the next burn season. A clean flue isn’t a luxury – it’s just the job done right.
Written by Norm Castillo, Owner at Ashwood Chimney Sweep, serving Claremont since 2007.