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 Ontario, CA | Corona Chimney Sweep
We provide independent Gelco chimney cleaning and repair across Ontario, and what separates our work here comes down to one thing: Ontario’s postwar tract homes still carry original Gelco caps and spark arrestors that the Santa Ana winds treat like a punching bag. We also offer Gelco service in Montclair for homeowners with similar vintage systems. We’re Corona Chimney Sweep, not a manufacturer-authorized shop, but we’ve worked on enough Gelco systems in Ontario’s 1950s-80s single-story homes to know exactly where they fail. Call (855) 382-6159 for a free estimate, and we’ll tell you straight what your Gelco unit actually needs.
Why Ontario Residents Choose Us for Gelco Service
Most chimney companies can sweep a flue. Fewer can look at a Gelco damper assembly from a 1960s tract home and tell you whether that hinge is worth saving or needs replacement. That’s the difference Nolan Ferris brings to the job. Nolan grew up in South Corona, not far from Santana Regional Park, and spent over a decade inspecting and cleaning flues across the Inland Empire. His methodical approach to creosote classification means he shows Ontario homeowners exactly what stage of buildup they’re dealing with, not just a before-and-after that hides the details. We service the full range of Gelco equipment found in Ontario homes: factory-built metal fireplaces, inserts, multi-flue caps, spark arrestors, damper assemblies, and firebox components. When we find a problem, we fix it ourselves. No referrals, no handoff gap. We also handle Gelco sales & service for homeowners who’d rather upgrade than patch.
Styles & brands we work with
Common Gelco Chimney Cleaning Problems We Solve in Ontario
- Rusted or loosened original spark arrestors. Ontario’s 1950s-80s Gelco units shipped with spark arrestors that were never designed for four decades of Santa Ana wind events plus 100°F summer thermal cycling. We regularly find screens that rattle loose or crumble at the edges. Replacing just the arrestor saves the cost of a full cap when the cap body is still sound.
- Wind-packed caps and clogged flues. After a fall wind event, Gelco caps in Ontario’s 91762 and 91764 ZIP codes fill with palm fronds, eucalyptus leaves, and fine dust. Draft drops, smoke spills into the living room, and homeowners assume the fireplace itself failed. Usually it’s just a packed cap. We clear it, inspect the flue, and recommend a cap design that holds up better in wind.
- Soot and light creosote from intermittent decorative log use. Most Ontario Gelco fireplaces burn Duraflame logs a few times a year, not cordwood every night. That light usage sounds harmless, but it produces soot that bakes onto flue walls over time. First-fire inspections in October often reveal deposits the homeowner didn’t know were there. We sweep and show you the extent.
- Corroded damper hinges and warped firebox panels. Heat cycling plus occasional moisture intrusion takes a toll on older Gelco damper assemblies. A damper that won’t fully open or close changes draft behavior and can let heated air escape year-round. We inspect the hinge, the cable, and the firebox panels during every cleaning call.
- Nesting birds in uncapped or damaged flues. Ontario’s warm climate means birds don’t all migrate out. An uncapped Gelco flue is an open invitation. We remove nests, clean the flue, and install a proper cap so it doesn’t happen again. If you can’t see daylight through the damper, we need to talk before you light that first fire of the season.
Gelco Service in Ontario: What Local Conditions Mean for Your Equipment
Ontario is not a snowbelt city. No deep-freeze heating season, no ice damming, no heavy winter wood-burning. What Ontario does have is Santa Ana winds that start in October and keep coming through the fall, and a housing inventory dominated by single-story stucco tract homes built between the 1950s and 1980s. Those homes, concentrated in the 91762 and 91764 ZIPs, were fitted with factory-built Gelco fireplaces that many owners later capped or converted to gas. The original spark arrestors and screens on a lot of those units are still up there, and they take a beating from wind-driven debris and thermal cycling. The practical result is that our Gelco service calls in Ontario are as much about cap and screen replacement as they are about sweeping. A homeowner in the 91762 area might call us thinking they need a cleaning, when what they actually need is a new cap because the old one packed with debris. We also handle Gelco in Upland for residents facing the same wind-driven cap failures. with palm fronds and killed the draft. We tell them what’s actually wrong, and we fix it on the spot if parts are on hand.
Gelco Models & Products We Service in Ontario
We service Gelco fireplace inserts, factory-built metal fireplaces, multi-flue caps, spark arrestors, chimney caps and screens, damper assemblies, and firebox components. Our parts approach is honest and practical: we source OEM-equivalent Gelco parts when they’re available and use quality aftermarket components for caps, dampers, and screens when OEM isn’t the best value. For Ontario homeowners, that means faster turnaround on repairs. We keep common Gelco-compatible caps and screens stocked so a call in late October doesn’t turn into a three-week wait for parts. The repair-versus-replace conversation is always straight with us. If your Gelco damper just needs a new cable, we’ll say so. If the firebox panel is warped beyond safe use, we’ll tell you that too, and we’ll show you the evidence.
See the difference
Before
After
Before
After
Before
AfterGelco Service Pricing in Ontario
Gelco chimney cleaning and inspection in Ontario typically runs between $180 and $340, depending on what we find once we’re on the roof and in the flue. A standard Level 1 inspection paired with a sweep falls on the lower end of that range when the system is clean and intact. Cap replacement, spark arrestor replacement, or damage from wind-packed debris moves the number higher. We quote a flat price before any work begins, so there’s no surprise line item at the end. Our free estimate covers the inspection, the cleaning, and a clear explanation of anything we recommend, with camera evidence when it matters. Call (855) 382-6159 for an exact quote on your Gelco system in Ontario.
Serving Ontario, CA — Our Local Coverage Area
We’re based in the Ontario 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 Ontario
A Level 1 inspection is what we perform when the system hasn’t changed since its last service and there are no known problems. For an original 1970s Gelco fireplace in Ontario that’s been in place for 50 years and may have been exposed to decades of Santa Ana winds, a Level 2 inspection is the smarter call if you’ve never had one done, if you’re buying the home, or if you’ve noticed drafting issues. Level 2 goes deeper into accessible areas and checks for hidden damage that a Level 1 doesn’t reach. Call (855) 382-6159 and we’ll help you decide which level fits your situation.
Once a year is still the right interval for intermittent Duraflame log use in Ontario. Light usage produces soot, not heavy creosote, but that soot accumulates and can combine with wind-driven dust and debris to restrict draft. An annual sweep before the first fire of the season keeps the flue clear and catches wind damage to caps and screens early. If you’re burning more than a few times a year, we may recommend a mid-season check. Call us at (855) 382-6159 to book your annual cleaning.
Yes, and it’s a common one in Ontario. Palm fronds and eucalyptus debris pack into Gelco caps during wind events and restrict draft, which leads to smoke spilling into the living room. Even if the fireplace seems to work, a packed cap means the flue isn’t venting properly. We clear the cap and flue, inspect the spark arrestor and crown for wind damage, and recommend a cap design that handles Ontario’s wind season better. Last October our crew responded to a 1960s tract home in the 91762 ZIP where exactly this happened: the original Gelco cap packed with debris, smoke backing into the living room, and a rusted spark arrestor that needed a new multi-flue cap. We see the same pattern when providing Gelco repair in Chino, where Santa Ana winds push similar debris into aging caps. A quick sweep and cap swap restored proper draft before the first fire. Call (855) 382-6159 for a post-wind inspection.
In many cases, yes, we can replace just the spark arrestor if the cap body is still structurally sound. That saves Ontario homeowners the cost of a full cap replacement. But if the cap itself is rusted through, warped, or packed with debris that has bent the frame, replacing the whole unit is the better long-term move. We’ll show you the condition of the cap and arrestor before we recommend one path or the other. Call (855) 382-6159 and we’ll assess your Gelco cap in person.
Yes, gas fireplaces and inserts still need annual inspection and occasional cleaning. Gas burns cleaner than wood, but the flue can still accumulate dust, debris, and nesting material, especially after Ontario’s wind season. A clogged or blocked flue on a gas unit creates a carbon monoxide risk. We inspect gas-converted Gelco systems for proper venting, check the damper and cap, and sweep when needed. Call (855) 382-6159 to schedule a gas fireplace inspection.
Service Areas Near Ontario
We serve Ontario and the surrounding Inland Empire communities, including Corona, Home Gardens, Norco, Eastvale, and Jurupa Valley. If you’re in a neighboring city with a Gelco system, see our Ontario service area for full coverage details. We also provide Gelco service in Portola Hills and Gelco service in Foothill Ranch for homeowners in those areas.
Book Your Gelco Service in Ontario Today
Ontario’s wind season doesn’t wait, and neither should your chimney service. Call (855) 382-6159 to book a free estimate for Gelco cleaning, cap replacement, or a full inspection. We also serve Gelco in San Antonio Heights with the same pre-wind-season urgency. We’ll get you on the schedule before the October rush.
Written by Nolan Ferris, Owner at Corona Chimney Sweep, serving Ontario and the Inland Empire since 2010.