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 Alhambra, CA | San Bernardino Chimney Sweep
We clean and service Gelco chimney systems throughout Alhambra, and we do it as an independent provider – not a manufacturer representative. The work here is different because so many Alhambra homes are 1920s – 1950s bungalows with original soft-brick chimneys that shift, spall, and pinch the Gelco liners inside them. If you’ve got a Gelco flex liner, a Gelco top cap, or a connector kit in one of those older Alhambra flues, call (877) 516-7159 and we’ll tell you exactly what’s going on before we touch anything.

Why Alhambra Residents Choose Us for Gelco Service
We’ve torn down and rebuilt enough Gelco flue assemblies in the San Gabriel Valley to know where they fail first. Allen Prescott, our owner, grew up near the Kendall Drive corridor and has spent the better part of three decades working on Inland Empire chimneys – and when a Gelco liner is involved, he’s usually the one who opens it up. We’re independent, which matters: we’re not going to pitch you a product you don’t need just because the manufacturer would like one. What we do is Gelco sales & service the old-fashioned way – look at the actual condition, show you the camera footage, and clean or repair only what needs it. In Alhambra, that means we see a lot of liners that are fine themselves but surrounded by brick that isn’t.
We stock genuine Gelco liner components, caps, and connector hardware, plus proven aftermarket stainless hardware for cases where an OEM part isn’t the right call. That’s a distinction most homeowners don’t think about until they’re standing next to a flue that’s been sealed with the wrong material. We also do the full Alhambra service area – 91896, 91899, 91801, and 91802 – so whether you’re near the Mission District or off Valley Boulevard, you’re in our normal route.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Alhambra
We don’t walk into an Alhambra home and guess. We’ve catalogued the failures that repeat across this city’s housing stock, and these are the five we see most on Gelco systems:
- Crushed or torn corrugations on flexible Gelco liners. Original 1920s and 1930s bungalow chimneys near the Mission District were built with soft, locally-fired brick. That brick shifts over time, and when it does, it pinches the stainless corrugations inside. The liner can look fine from the top but be flattened three feet down. We scope it and show you the video.
- Corroded Gelco top caps and loosened clamps. Alhambra’s dry-summer heat followed by winter rain is hard on exposed stainless hardware. A top cap that has been baking in July sun and soaking in December rain for ten years will start to loosen. Birds get in. Water tracks down the liner. The crown underneath rots. We replace the cap and clamp, then fix what the water damaged.
- Liner-to-appliance connectors dislodged or sealed with the wrong material. Older Alhambra homes have had decades of handymen and previous owners making “fixes” around the firebox. We regularly find Gelco connector kits disconnected, or caulked with something that was never meant for flue temperatures. That’s how creosote flakes and soot end up in the living space instead of in the flue.
- Gelco liners sized for gas appliances misapplied to wood-burning inserts. Gas-rated Gelco liners are narrower. Put a wood insert through one and creosote from even light seasonal burning accumulates fast. This is especially common in Alhambra’s 1960s – 70s tract homes where gas fireplaces were retrofitted into existing masonry. The fix is a proper mechanical cleaning and, if needed, a correctly sized liner.
- Cracked clay flue tiles around an otherwise sound Gelco liner. The Gelco component is fine. The original 1930s clay tile surrounding it is not. We see this constantly in Alhambra bungalows – the liner holds, the flue tile shatters. That’s a repair job, not a new-liner job, and we fix the tile rather than sell you a replacement you don’t need.
Gelco Service in Alhambra: What Local Conditions Mean for Your Equipment
Here’s what you won’t read on a generic Gelco page: Alhambra’s Mission District bungalows were built with soft local brick that spalls under years of Santa Ana wind and winter rain. When we service a Gelco liner in those homes, the liner itself is often intact – it’s the surrounding clay flue tile that has cracked and crumbled. The brick is the real problem, not the Gelco component. That single fact changes how we approach every job in the 91801 and 91802 ZIP codes. We don’t start by recommending a liner replacement; we start by determining what the masonry is doing to the liner. Sometimes that means repointing. Sometimes crown work. Sometimes pulling the liner, rebuilding the flue, and resetting the Gelco system. What we won’t do is install a fresh $3,000 liner into a chimney that will crush it again in three years – and we’ll tell you that straight, in whatever language you need to hear it in.
Gelco Models & Products We Service in Alhambra
We work on the full Gelco range that’s out in the field around Alhambra: stainless-steel flexible chimney liner kits, rigid stainless liner sections, top-mount and multi-flue caps, and liner-to-appliance connector kits. Parts stock matters for turnaround. We keep genuine Gelco connector hardware and cap components on the truck, plus standard stainless aftermarket sections that meet the same spec, so most Alhambra jobs finish in one visit. If we need a full rigid liner section for a two-story Spanish Colonial Revival on a hill street near Main, we source it overnight. Nothing sits longer than it has to.
See the difference
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AfterGelco Service Pricing in Alhambra
Chimney cleaning for a Gelco-lined flue in Alhambra generally runs $180 – $340 depending on flue height, access, and the amount of creosote accumulated. Level 2 inspections, which we recommend for any lining system that hasn’t been scoped in years, typically land between $250 and $500 – and that includes the camera footage so you can see what we see. Crown repair and repointing move the price up, but we always separate cleaning from repair so you know what’s mandatory and what can wait. Call (877) 516-7159 for a free estimate; we’ll walk the flue with you before quoting anything.
Serving Alhambra, CA — Our Local Coverage Area
We’re based in the Alhambra area and know this community well, and we also handle Gelco service in San Gabriel. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in Alhambra
Usually one of three things: a dislodged liner-to-appliance connector that’s letting soot spill into the firebox, a cracked flue tile around the liner that’s redirecting draft, or a flex liner that’s been pinched so tight it’s no longer carrying smoke the way it should. We scope the flue, find the actual cause, and show you the footage. Call (877) 516-7159 and we’ll get it diagnosed.
Not necessarily. The brick spalling does not mean the stainless liner inside has failed. We pull and inspect the liner when the masonry is aggressively shifting, but more often the fix is repointing the soft brick, repairing the crown, and resetting the same Gelco liner. We’ll only recommend replacement when the liner itself is torn, crushed, or corroded through. Get a camera inspection before you agree to anything.
Yes. A large share of Alhambra homeowners – especially first-generation Chinese and Vietnamese families – want to understand the work before it starts. We arrange bilingual explanation of what we found, what the camera footage shows, and what the repair involves. It’s your house and your money; you should get the details in your own language. Mention it when you call (877) 516-7159 and we’ll make sure it happens.
Once a year if you burn wood regularly, even in Alhambra’s light winters. The mild climate means shorter burn seasons, but those short burns still produce creosote – and an undersized Gelco liner produces it faster. Gas-only systems can go two to three years between cleanings, but we still recommend an annual visual check. A clean flue isn’t a luxury – it’s just how you keep the fire where it belongs. Call us to schedule before the first cold snap.
Yes, over time. Alhambra’s winter rains are mild but persistent, and they find every hairline crack in a crown or cap seal. Once water gets under a Gelco top cap and runs down the outside of the liner, it soaks into the soft brick and freezes in cold snaps, then spalls. The cap is the cheap part; the crown repair is the expensive one. Have it checked before the wet season. Estimates are free at (877) 516-7159.
Service Areas Near Alhambra
While our Alhambra route covers the city directly, we also take Gelco service calls in neighboring communities. We regularly work Gelco service in Laguna Beach homes with similar ocean-adjacent breeze patterns, and our Gelco service in Costa Mesa clients deal with the same Spanish Colonial Revival-era masonry quirks. For owners closer to the Inland Empire, we cover San Bernardino, Colton, Rialto, Loma Linda, and Muscoy as well.
Book Your Gelco Service in Alhambra Today
If your Gelco liner has been sitting in a 1920s Alhambra chimney without a camera inspection in years, that’s the job to book. We’ll scope it, clean it, and tell you plainly what needs fixing – and what can safely wait. Call (877) 516-7159 for a free estimate, and we’ll get you on the schedule for the next open Alhambra route.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep, serving Alhambra, Gelco repair in East San Gabriel, and the wider San Gabriel Valley since the 1990s.