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 Upland, CA | Mantel Chimney Sweep
We provide independent Gelco chimney cleaning and repair across Upland, and the thing that sets our work apart here is simple: we know how Santa Ana wind events and months of disuse combine to wreck Gelco dampers, caps, and refractory panels in this city’s mid-century ranch homes. We’re not a Gelco dealer and we’re not authorized by the manufacturer, so our only incentive is telling you exactly what your fireplace needs. If you own a Gelco wood-burning firebox or gas insert in Upland, call (844) 821-5749 for a free estimate.
Why Upland Residents Choose Us for Gelco Service
Roland Vega, our owner, has spent well over a decade pulling apart and repairing fireplaces across the Inland Empire, from San Antonio Heights Gelco service calls to Upland jobs, and he’ll tell you the same thing every time: a clean sweep is the baseline. The real question is whether your damper still closes, your refractory panels are holding, and your cap is actually doing its job. That’s where Gelco-specific experience matters. We work on these units week in and week out, which means we already know the weak points on Gelco fireboxes and gas inserts before we even set foot on your roof.
We stock the OEM Gelco parts that fail most often in Upland’s climate, so a damper repair or cap replacement doesn’t have to mean two weeks of waiting for a part to ship. And because we’re independent, we fit OEM when it’s available and tell you plainly when a quality aftermarket equivalent makes more sense. Gelco sales & service is what we do, but we answer to you, not to a manufacturer’s warranty department.
A clean chimney isn’t a luxury – it’s just the part of the house you can’t see until something goes wrong. That’s the lens we bring to every Gelco job in Upland, from a basic sweep to a full Level 2 inspection.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Upland
After years of servicing Gelco fireplaces across Upland’s 91784, 91785, and 91786 zip codes, a few failure patterns show up on nearly every older unit. These are the five we see most often:
- Damper and damper-frame corrosion. In Upland’s hot, dry summers, Gelco fireboxes sit unused for months. The damper plate and its cast-iron frame sweat, corrode, and seize open or shut by the first cold snap. We free the plate, lubricate the pivot, and replace the frame when it’s too far gone.
- Refractory panel cracking from thermal shock. The first hot fire after six months of disuse is hard on any firebox, but Gelco’s refractory panels are particularly prone to hairline cracks when the temperature swings hit. We inspect each panel and replace only the cracked ones, rather than selling you a full firebox rebuild you don’t need.
- Cap and spark-arrestor screen damage from Santa Ana winds. This is the big one on Upland’s north-side foothill homes. Wind events knock Gelco caps loose or tear the screen mesh, opening the flue to birds, ash, and nest debris. We see this far more often in the foothills than on the flatter east-side tracts.
- Gasket and glass-door seal failure on gas inserts. Gelco direct-vent gas inserts use a gasket around the glass door that dries out and cracks over time. When that happens, room air and soot get past the door and stain the surround. We replace the gasket and realign the door so the burn stays clean.
- Bird and debris buildup in uncapped flues. Most of Upland’s 1950s-to-1970s ranch homes never got a modern cap and damper upgrade. When the cap is missing and the damper won’t close, birds move in fast.
Gelco Service in Upland: What Local Conditions Mean for Your Equipment
Here’s something we see in Upland that you won’t find on a generic chimney page anywhere else: the city’s north-side foothill neighborhoods take the brunt of every Santa Ana wind event, and that changes which Gelco components fail first. It’s similar to what we see providing Gelco service in Claremont. On a fall call in the historic downtown neighborhood off Euclid Avenue, our tech opened a 1960s ranch home’s Gelco firebox and found the damper plate seized half-open and a bird nest packed against the smoke shelf after a summer of disuse. The clay flue was caked with creosote. The cap had come off in a wind event months earlier. We swept the flue, freed and lubricated the damper, and set a new screened cap because the old one was gone. The homeowner lit a test fire that night with no smoke rollback.
What we’re driving at is this: Upland’s mid-century housing stock means most Gelco fireplaces are original to the home and were never upgraded with modern dampers or caps. The same holds true when we’re called for Gelco repair in Montclair. Combine that with months of summer disuse and a few Santa Ana blows, and the flue is open to whatever the wind carries. If you live north of Foothill Boulevard, your cap is the first thing we check. The wind, not age, is what opens those flues to birds.
Gelco Models & Products We Service in Upland
We service the full range of Gelco equipment found in Upland homes, including direct-vent gas fireplace inserts, factory-built wood-burning fireboxes with refractory panels, glass-door and screen assemblies, and chimney cap and multi-flue cap kits. For parts, we fit OEM Gelco components when the item is still in production, and we go to quality aftermarket equivalents for discontinued parts. You’ll always know which one you’re getting. On older Gelco fireboxes, we repair panels, dampers, and caps rather than pushing a full replacement. Replacement only makes sense when the firebox itself is cracked through or the flue has failed beyond a patch.
In Upland specifically, the parts we keep closest at hand are damper frames, refractory panels, glass-door gaskets, and screened caps. Those are the items that fail most often when Santa Ana winds and long disuse meet in a 1960s rancher.
See the difference
Before
After
Before
After
Before
AfterGelco Service Pricing in Upland
Gelco chimney cleaning in Upland typically runs $290 to $410 for the sweep and the foundational inspection. That price reflects the real condition of these older flues: many haven’t been opened in months, some contain nests or creosote buildup, and the damper often needs freeing. If we find a cracked refractory panel or a failed gasket, parts and labor add to the bill, and we’ll show you the damage with camera evidence before quoting anything.
Here’s what drives cost on a Gelco job in Upland:
- Flue condition: heavier creosote takes longer to remove safely.
- Damper repair: freeing a seized damper is quick; replacing a corroded frame is not.
- Cap replacement: newer screened caps run $140 to $350 installed, depending on flue size and roof access.
- Refractory panel replacement: cracked panels typically run $220 to $390 per panel.
Every estimate is a free, flat price before we schedule the job, and we never recommend work without showing you the camera footage. Call (844) 821-5749 for an exact quote.
Serving Upland, CA — Our Local Coverage Area
We’re based in the Upland area and know this community well. We also handle Rancho Cucamonga Gelco service. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in Upland
Your damper sticks because it sat unused and hot for six months, which corrodes the cast-iron frame and seizes the plate in place. We see this on the majority of original Gelco dampers in Upland’s mid-century ranch homes. Freeing and lubricating it works when the frame is sound; replacing the frame is the fix when it is too pitted. Call (844) 821-5749 and we will tell you which one you have.
Yes, especially if you live in the north-side foothill neighborhoods of Upland where the wind hits hardest. Gelco caps get knocked loose, and the spark-arrestor screen tears open, leaving the flue exposed to birds and ash. We fit more replacements in those foothill zip codes than anywhere else in the city.
If we have serviced your Upland fireplace before and nothing has changed since the last sweep, a Level 1 inspection is usually sufficient. If you bought the house recently, had a chimney fire, or the fireplace has been unused for years, we recommend a Level 2 inspection, which includes running a camera up the flue to check liner integrity and hidden damage.
Sometimes it is, sometimes it isn’t. If the pilot assembly is caked with soot or the gasket has failed and air is leaking past the glass, a cleaning and gasket replacement solves it. If the thermopile or valve has failed, that’s a service call for a gas technician. We’ll tell you which one you’re dealing with before any money changes hands.
Yes, and that’s what we do in most cases. Gelco refractory panels are sold individually, and a single cracked panel doesn’t mean the firebox is shot. We replace the damaged panel and check the surrounding firebox for structural issues. A full firebox replacement is only the right call when the firebox itself is cracked through. Call (844) 821-5749 and we’ll inspect yours.
Service Areas Near Upland
We serve Upland and the surrounding Inland Empire communities, including Moreno Valley, March Air Force Base, Loma Linda, Highgrove, Mead Valley, and Grand Terrace. If you’re south of Upland, see our Upland service area page for coverage details. We also run dedicated Gelco routes in Gelco service in Murrieta Hot Springs and Gelco service in Murrieta for homeowners further down the 15.
Book Your Gelco Service in Upland Today
If your Gelco fireplace hasn’t been opened since spring, get it inspected before the first cold snap hits. Call (844) 821-5749 for a free estimate, and we’ll get your damper, cap, and flue sorted before you light that first fire.
Written by Roland Vega, Owner at Mantel Chimney Sweep, serving Upland since his first call in the historic downtown district.