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 | San Bernardino Chimney Sweep
We provide independent Gelco chimney cleaning and repair across Fontana’s 92335, 92336, 92337, and 92331 ZIP codes, plus Gelco repair in Bloomington, and we do it with one local habit that matters: we check the cap before we ever run a brush. Fontana’s position at the mouth of the Cajon Pass means wind-driven dust and debris pack Gelco caps and spark screens hard enough to choke a flue while the firebox still looks clean. If your Gelco unit is drafting poorly or smoking, call (877) 516-7159 for a free estimate. We are not authorized, sponsored, or endorsed by Gelco. We’re a Fontana-area chimney specialist who knows these units well enough to fix what’s actually wrong.

Why Fontana Residents Choose Us for Gelco Service
We’ve serviced Gelco factory-built fireplaces and chimney systems across Fontana’s 92335, 92336, and 92337 tracts for years, so we know how these units behave after decades of pass-wind dust loading. That’s the difference. A generalist chimney company might sweep a Gelco flue and call it done. We look at the cap, the damper, the refractory panels, and the firebox seams, because in Fontana those components wear out before the flue itself gets dirty.
Allen Prescott, our owner, grew up near the Kendall Drive corridor in San Bernardino and has spent the better part of three decades working on Inland Empire chimneys and fireplaces. He’ll tell you exactly what he found in your flue, why it matters, and what actually needs to be done versus what can wait. That straight talk is why Fontana homeowners, and those needing Gelco in Rialto, call us back when their Gelco unit acts up again. We use OEM-spec Gelco-compatible parts where they’re still available, and quality aftermarket equivalents when the original supply has dried up. We’d rather match the unit’s listing and clearances correctly than sell you a replacement fireplace you don’t need.
We’re also a specialist, not a generalist. Chimney sweeping, chimney repair, and dryer vent cleaning. That’s what we do. If your Gelco inspection turns up a cracked refractory panel or a seized damper, we fix it ourselves. You won’t need to call a second company. And if you want a broader look at where we work, see our Fontana service area page, or learn more about our Gelco sales & service capabilities.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Fontana
These are the issues we see repeatedly on Gelco units in Fontana, and each one ties back to something specific about this city’s housing stock or climate. Here’s what we find and fix:
- Caps and spark screens packed solid with wind-blown dust and Cajon Pass debris. After a windy spring, a Fontana Gelco chimney can read clean inside and still be half-blocked at the top. We clear the screen, replace the cap if it’s worn, and confirm airflow before we sweep.
- Damper blades and pivot hardware seized or rusted. Fontana’s hot, dry off-season air followed by a light burn season is hard on damper metal. You get a damper that won’t open or won’t close, which means smoke in the house or heat loss all winter. We free or replace them.
- Refractory liner panels and firebox seams cracked or spalled. Exterior Gelco stacks in Fontana take direct Inland Empire sun year-round. That thermal cycling cracks panels. We inspect for this on every Gelco cleaning, because a cracked refractory panel is a fire hazard you won’t see from the hearth.
- Gas log set burners and pilots fouled by dust intrusion. We see this most on 92336 north-side units with short cap-and-screen assemblies. The burner ports clog, the pilot won’t stay lit, and the fireplace won’t fire reliably. We clean and adjust them so the gas log set works the way it should.
- Flue half-blocked at the top while the firebox below still looks clean. This is the Fontana pattern. Homeowners call us for a cleaning, and the real problem is a cap so packed with dust and pass debris that the fireplace can’t draft. We check the cap first, every time.
Gelco Service in Fontana: What Local Conditions Mean for Your Equipment
Fontana’s north-side 92336 subdivisions have short cap-and-screen assemblies on exterior stacks that load up with wind-blown dust and pass debris so fast that a chimney can read clean inside and still be half-blocked at the top after a windy spring. So we check the cap before we ever run a brush. That single habit is what separates a Fontana Gelco specialist from a generic chimney sweep working off a checklist written for some other region.
Here’s why this matters for Gelco owners specifically, including those seeking Gelco in Glen Avon. Fontana sits in a high-wind, dust-heavy corridor at the base of the Cajon Pass. Summer heat and strong seasonal winds drive ash, dust, and dry debris into chimney caps and flues. Winters are mild, so fireplaces see relatively light burn seasons. But the wind and dust load means screens, caps, and dampers take more abuse than the fireboxes themselves. If you own a Gelco factory-built unit in the 92336 north-side growth, your cap is probably the first thing to fail. If you own an older masonry Gelco hybrid in 92335 or 92337, your damper and refractory panels are the likely culprits. Either way, the fix starts with a proper inspection, not a blind sweep.
On a Gelco factory-built unit in the 92336 north-side growth, our tech pulled a cap and spark screen packed nearly solid with dust and dry pass debris after a windy spring. The firebox looked fine, but the flue was choked at the top. We cleared the screen, replaced the worn cap, freed a seized damper, and ran a Level 2 inspection before sweeping so the homeowner knew the liner and firebox seams were still sound. The fireplace drafted properly again the same afternoon. That’s the kind of fix Fontana Gelco owners can’t get from a company that doesn’t know this city’s wind patterns.
Gelco Models & Products We Service in Fontana
We service the Gelco equipment most common in Fontana’s two housing eras. The mid-century tracts in 92335 and 92337 mostly have Gelco factory-built wood-burning fireplaces with metal fireboxes and refractory liners, often paired with original masonry and metal hybrid installations. The newer 92336 subdivisions typically have Gelco builder-grade gas log sets and fireplace insert packages from the 1980s through 2000s, installed with shorter cap-and-screen assemblies.
For all of these, we favor OEM-spec Gelco-compatible dampers, caps, screens, and refractory panels where they’re still available. When OEM supply has dried up, we use quality aftermarket equivalents that match the unit’s listing and clearances. What we stock locally for fast Fontana turnaround includes replacement caps, damper assemblies, spark screens, and the refractory panels most often needed on these units. If the firebox or liner is structurally compromised, we say so plainly. But we don’t push replacement on a Gelco unit that only needs a cap, a damper, or a repoint.
See the difference
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After
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AfterGelco Service Pricing in Fontana
A Gelco chimney cleaning in Fontana typically runs $169 to $289, depending on the unit type, access, and how much dust and pass debris has packed into the cap and flue. If we’re adding a Level 2 inspection, budget $250 to $450 total. Cap replacement on a Gelco unit usually falls between $200 and $600, and damper repair or replacement typically costs $80 to $350. Refractory panel replacement, when needed, starts around $150 per panel.
Your free estimate covers the specific Gelco model in your home, the condition of your cap and damper, and what we find during the initial assessment. We’ll tell you what needs to be done now, what can wait, and exactly what each item costs before you approve anything. Call (877) 516-7159 to schedule a free estimate for your Gelco chimney in Fontana or Gelco in Pedley.
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
Because the cap and spark screen are probably packed with wind-blown dust and pass debris from the Cajon Pass corridor. In Fontana, the top of the chimney fails before the inside gets dirty. We check the cap first, clear it, and confirm airflow before we sweep. Call (877) 516-7159 and we’ll give you an exact diagnosis.
Once a year, even if you only use it a handful of nights during Fontana’s mild winters. The issue here isn’t creosote, it’s dust. Those short cap-and-screen assemblies on 92336 north-side units let fine dust into the burner ports and pilot assembly, which causes poor ignition and incomplete combustion. An annual service catches that before the burner clogs entirely. Call (877) 516-7159 for a free estimate.
If you use your Gelco fireplace regularly and nothing has changed, a Level 1 inspection during your annual cleaning is usually sufficient. If you’re in a Fontana home where the fireplace hasn’t been used in years, or where the exterior stack shows cracking or spalling, or where you’ve had a chimney fire or a major weather event, you need a Level 2 inspection. We’ll help you decide based on what we find when we arrive. Estimates are free at (877) 516-7159.
Yes. A rusted damper or a failed cap is a component failure, not a reason to replace the fireplace. We replace Gelco dampers, caps, and spark screens with OEM-spec or quality aftermarket parts that match the unit’s listing and clearances. We only recommend replacement when the firebox or liner is structurally compromised. Call (877) 516-7159 for a free assessment.
Partially, yes. Fontana’s exterior stacks take direct Inland Empire sun year-round, and the thermal cycling between hot days and cool nights stresses the mortar and brick over years. The spalling you’re seeing is the brick surface failing, and cracked mortar joints let water in, which accelerates the damage. We repair crowns, repoint mortar, and replace flashing on Gelco exterior stacks before the water works its way down to the firebox. Call (877) 516-7159 and we’ll assess your stack for free.
Service Areas Near Fontana
We serve Gelco owners throughout the Fontana area and the nearby Inland Empire, including Rubidoux, San Bernardino, Colton, Muscoy, Loma Linda, and Rialto. If you’re up the hill, you can also read about our Gelco service in Crestline or our Gelco service in Mentone.
Book Your Gelco Service in Fontana Today
If your Gelco fireplace is drafting poorly, smoking, or just overdue for a cleaning, call (877) 516-7159 today. We’ll schedule your free estimate, check the cap before we run a brush, and tell you exactly what your unit needs and what can 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 Fontana and the Inland Empire.