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 Fontana, CA | Santa Ana Chimney Sweep
We’re an independent chimney service that cleans, inspects, and repairs Gelco chimney systems throughout Fontana, including factory-built metal chimneys, caps, dampers, and wood-burning inserts. For homeowners specifically looking for Chimney Sweep – Fontana services, we cover the entire area. What makes our Gelco work different here is simple: Fontana’s Santa Ana wind corridor packs flue tops with debris in ways a manual never predicts, so we sweep for wind-driven blockage as much as creosote. Call (855) 341-9658 for a free estimate on Gelco chimney cleaning anywhere in Fontana, from the 92335 ranch tracts to the newer 92336 subdivisions. We’re not a Gelco factory shop. We’re a local Fontana service crew that knows how Gelco components actually age in this valley.

Why Fontana Residents Choose Us for Gelco Service
We’ve pulled apart enough Gelco in Pedley and Fontana factory-built chimney sections to know exactly where they fail after a few seasons of Cajon Pass wind. That’s not knowledge you can get from a product sheet. It comes from standing on roofs in 92335 and 92337, watching how a Gelco cap screen deforms when a palm frond slams into it at 40 miles an hour, then climbing back down and looking at what that same wind did to the firebox below.
Allen Becerra grew up around masonry fireplaces that actually get used, and he’s spent nearly two decades inspecting and cleaning chimneys across Southern California. He’s the one who trained our eyes to catch the small stuff, the hairline crack in a clay liner behind a Gelco throat damper, the loose seam screw three sections up that’s letting creosote weep into the chase. We carry genuine Gelco caps and dampers on the truck for fast Fontana turnaround, plus quality aftermarket screens and gaskets for wear items where they hold up just as well. You get Gelco sales & service experience backed by a crew that actually works in your ZIP code.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Fontana
- Crushed Gelco cap screens from Santa Ana wind events. When the winds rake down from the Cajon Pass, they carry palm fronds, tumbleweed, and roofing grit straight at your flue top. A Gelco spark-arrestor mesh can get flattened or torn in a single afternoon, which then lets birds and debris pile into the chimney. We remove the blockage, assess the screen, and replace the cap or mesh as needed so the next cold snap doesn’t push smoke back into the house.
- Seized Gelco dampers after a long idle season. Fontana summers are hot and dry, and fireplaces here sit unused for months. A Gelco damper that stays shut through that stretch can rust stiff or jam in place. When the first cold night arrives and you pull the lever, it won’t budge. We free or replace seized dampers so draft comes back before the first burn, not halfway through a smoky living room.
- Cracked firebox panels and worn door gaskets on Gelco inserts. In Fontana, the seasonal use pattern means an insert sits idle through triple-digit heat, then gets hammered with overnight loads when fall hits. Gaskets dry out and lose compression, refractory panels crack from the thermal shock, and the unit overfires or leaks exhaust. We inspect gasket seating and panel condition during every Gelco cleaning and flag what needs attention before it gets worse.
- Loose seam screws and joint separation in factory-built Gelco chimney runs. Older north-side Fontana homes in 92336 with Gelco factory-built metal chimneys can develop joint separation as sections expand and contract. Loose screws along that double or triple-wall run let creosote weep out, and high wind can push blockage deeper than a top-down sweep from the flue opening alone reaches. We check every accessible joint during service.
- Wind-driven debris packing inside original clay-tile flues on older ranch homes. South and east Fontana’s 1950s and 1960s ranches still carry the original clay tiles behind brick veneer. A Gelco cap on top helps, but once the screen is compromised, those tiles catch everything the wind throws at them. We pull blockages that can completely choke a flute before the season starts.
Gelco Service in Fontana: What Local Conditions Mean for Your Equipment
Fontana isn’t one chimney market. It’s two. On the south and east sides, the post-war ranch homes in 92335 and 92337 mostly have original masonry fireboxes with clay tile liners. On the north side, the newer 92336 subdivisions carry factory-built metal chimneys, many of them Gelco in Rialto sections with insulated double or triple-wall construction. That split changes how we approach every Gelco cleaning in Fontana. A Gelco cap and top section on a 1960s ranch with a clay liner sits above a flue that expands and contracts at a different rate than the metal chimney it’s bolted to, and that joint is where cracks and air leaks start. On a north-side Gelco factory-built run, the whole stack is metal, which means we’re looking for seam separation, loose screws, and condensation-driven corrosion instead of spalling clay tiles. A technician who treats both sides of Fontana the same won’t find what’s actually wrong. We don’t make that mistake.
After one fall Santa Ana event, a homeowner in 92335 called about smoke rolling back into the living room on the first cold night. Up top, the Gelco cap screen was flattened, packed with palm fronds and a bird nest. Below, the camera found a heat-check crack in the original clay liner that only would have widened under more heat cycling. We cleared the blockage, swapped in a new Gelco cap and screen, and repaired the liner before the next front moved through. That’s the kind of sequence this climate creates.
Gelco Models & Products We Service in Fontana
We clean and service the full range of Gelco factory-built chimney components found in Fontana homes. That includes insulated double and triple-wall Gelco chimney sections, Gelco chimney caps and multi-flue caps, fireplace dampers and damper assemblies, and Gelco wood-burning fireplace inserts with prefab firebox assemblies. For cap or damper replacement, we fit genuine Gelco parts when they’re the right match for the existing run. For wear items like screening mesh and gaskets, we carry quality aftermarket equivalents that hold up well in Fontana’s wind and heat cycles. If you’re in Fontana service area and you’re not sure whether your chimney is a Gelco factory-built system or an original masonry flue with Gelco components, we’ll identify it during the estimate. We’ll also tell you if the existing Gelco run is sound enough to clean and repair, or if sections need replacement at all.
See the difference
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AfterGelco Service Pricing in Fontana
A straightforward Gelco chimney cleaning in Fontana typically runs between $165 and $250, depending on flue height, access from the roof or chase, and how much wind-driven debris has accumulated since the last sweep. If a cap screen needs replacement, the part and labor sit in the $75 to $300 range depending on screen condition and cap style. A Level 2 camera inspection, which we recommend before the first burn on any Fontana home with an aging flue, adds $150 to $300. Damper repair or replacement varies more, from $120 for a simple fix to $450 or more for a full assembly. Every estimate is free, and we give you a flat price before any work begins. Call (855) 341-9658 for an exact quote on your Fontana chimney.

Serving Fontana, CA — Our Local Coverage Area
We’re based in the Fontana 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 Fontana
Not always. If the cap body itself is intact and only the spark-arrestor mesh is torn or crushed, we can often replace just the screen with a quality aftermarket match and save you the cost of a full cap. If the cap body is dented, cracked, or no longer holding the mesh securely, then a genuine Gelco cap replacement makes sense. We’ll show you the condition in person so you’re not guessing. Call (855) 341-9658 and we’ll take a look.
Check the outside first. If you see exposed brick or stone running from the roof up, it’s likely a masonry chimney, which in Fontana’s older 92335 and 92337 ranch homes usually means an original clay tile liner inside. If you see a round metal pipe or a framed chase with a metal cap, that’s almost certainly factory-built. Many factory-built systems in 92336 carry Gelco labels on the sections or cap, visible from the roof or attic. We identify the system during every estimate so you know exactly what you’re dealing with.
It’s usually cold air sitting in the flue when the fire starts, which is heavier than the warm air from your kindling and pushes smoke back until the chimney warms up. But in Fontana, there’s a pattern we see more often: months of idle heat dry out the door gasket on a Gelco insert, and the reduced seal makes cold-start smoking worse. Wind-driven blockage at the cap screen compounds it. If the smoke clears after ten or fifteen minutes, the flue just needs preheating. If the smoke persists or worsens, the gasket or airflow needs attention before the firebox overfires. Call (855) 341-9658 and we’ll diagnose it properly.
Yes, and it’s more important here than most places. Your fireplace sits idle through the hot summer while Santa Ana wind events push dust, palm debris, and nesting material into the flue. Then the first cold front brings heavy first-use fires on top of whatever accumulated. That’s when creosote from previous seasons gets superheated and blockage risk spikes. A clean flue isn’t a luxury – it’s what separates a working fireplace from a fire hazard. The best time to sweep in Fontana is September or October, before the burn season starts, not after the first smoky attempt. Call (855) 341-9658 to get on the fall schedule.
Yes. We clean and inspect Gelco wood-burning inserts and factory-built prefab fireboxes throughout Fontana, including the Gelco in Glen Avon and 92336 subdivisions where these systems are common. We check door gasket compression, refractory panel cracking, the baffle and firebrick condition, and the factory-built chimney run above it. We repair what’s repairable and tell you plainly if a cracked firebox or failed section isn’t salvageable.
Service Areas Near Fontana
Our Gelco service covers Fontana and reaches nearby communities including La Habra, Cerritos, East La Mirada, Portola Hills, La Mirada, and Aliso Viejo. If you’re in Gelco service in Good Hope or Gelco service in Bloomington, we can schedule the same crew that serves Fontana for your chimney cleaning or repair.
Book Your Gelco Service in Fontana Today
If your Fontana chimney hasn’t been swept yet this season, don’t wait until the first cold night chases smoke back into the living room. Call (855) 341-9658 for a free estimate on Gelco chimney cleaning, a Level 2 inspection, or a cap replacement. We’ll get you on the schedule before the next cold snap pushes through the Cajon Pass.
Written by Allen Becerra, Owner at Santa Ana Chimney Sweep, serving Fontana chimney and vent safety.