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 | Lantern Chimney Sweep
We provide independent Gelco chimney cleaning service across Upland, and the thing that sets our work apart here is simple: we know what Santa Ana winds do to a Gelco insert that’s been sitting idle for five months. If you own a Gelco fireplace in the 91784 foothill zone, your flue collects debris that never reaches down-basin cities, and that changes how we clean, inspect, and repair your unit. Call (855) 341-8132 for a free estimate.
Why Upland Residents Choose Us for Gelco Service
We’ve worked on Gelco fireplace inserts and dampers in Upland homes long enough to know their quirks in this wind-and-wildfire environment. We’re an independent service provider, not authorized by Gelco, but that independence works in your favor: we recommend what’s actually right for your unit, not what a manufacturer’s program tells us to push. Len Castorena grew up in the Lincoln Park neighborhood of Pomona and has spent the better part of three decades working on the chimneys and fireplaces of homes in the Pomona Valley, including providing Gelco service in Claremont. He picked up his fundamentals in HVAC and building systems at Mt. San Antonio College in Walnut, then shifted his focus entirely to chimney work. That’s the background behind every Gelco inspection we perform in Upland.
We stock OEM Gelco parts for critical components like dampers and fans, and when older models need something the manufacturer no longer supplies, we source aftermarket equivalents that meet the original specs. You get a straight answer on whether repair makes sense or replacement is the smarter call, especially with aging units in Upland’s older masonry chimneys. For a full look at our Gelco coverage, see our Gelco sales & service page.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Upland
- Seized or warped damper blades. Upland’s hot, dry summers leave inserts idle for months, and when wind-blown grit gets into the pivot points, those dampers don’t want to move come November. We free them, lubricate them with high-temp compounds, and replace badly warped blades with OEM Gelco parts when the damage is beyond saving.
- Failed insert fans and blowers. Santa Ana events push dust and fine debris into flues and fireboxes. Gelco insert fans that run hot while that grit is circulating eventually overheat and burn out. We diagnose whether you need a fan replacement or just a deep clean of the blower housing and airflow path.
- Cracked glass doors and worn gaskets. Older Gelco units in Upland’s mid-century ranch homes often have glass doors that have been through decades of heating cycles. Cracks and failed seals let smoke spill into the room on first fire-up after a long idle stretch. We replace glass and regasket doors to restore a tight burn.
- Accelerated creosote buildup. Burning unseasoned wood is common in Upland, where firewood often gets stored exposed to dry winds that pull moisture out unevenly and leave some splits wet, some dry. Wet wood smolders and lays down creosote fast in a Gelco wood insert. We remove it thoroughly and tell you what your wood supply actually needs.
- Blocked caps and clogged flues from wind debris. This is the Upland-specific failure we see more than anything else. After a wind event, caps get battered and flues fill with dried leaves, pine needles, and grit. When a homeowner lights that first fire of the season, smoke backs up into the house. We clear the block, replace damaged caps, and do a Level 2 inspection to confirm nothing ignited before we leave.
Gelco Service in Upland: What Local Conditions Mean for Your Equipment
In Upland’s 91784 ZIP code, the foothill edge sits right at the base of the San Gabriel Mountains, and that geography does something specific to chimneys. When Santa Ana winds kick up, they carry dry leaves, pine needle clusters, and wind-blown grit that settles into flues. Down-basin cities like Ontario or Chino get some of the same wind but far less of the debris load, because they don’t have the mountain-front vegetation and terrain channeling everything into the flue the way Upland’s foothill streets do. For homeowners needing Rancho Cucamonga Gelco service, the debris patterns differ but the Santa Ana wind impact is still a factor. For Gelco owners in particular, this matters because Gelco inserts use tight clearances and specific draft tolerances. A two-inch mat of dried leaves on top of your cap doesn’t just block airflow, it changes the draft pressure your insert was designed to run on. You’ll get smoke spillage, incomplete burns, and creosote deposits even on dry, well-cured wood. We always check for cap damage and debris blockages before the first burn of the season, especially in the 91784 area.
Gelco Models & Products We Service in Upland
We service the Gelco FA Series fireplace insert, Gelco direct-vent gas fireplaces, and Gelco wood-burning inserts across all three Upland ZIP codes: 91784, 91785, and 91786. For critical components like dampers and fans, we use OEM Gelco parts whenever the manufacturer still supplies them. For older models with discontinued parts, we carry high-quality aftermarket equivalents that meet or exceed the original specifications. That means faster turnaround for Upland customers: we don’t have to wait on a backordered factory part when a properly spec’d aftermarket component does the job. We let you know which we’re using and why before any work proceeds.
Alongside cleaning, we emphasize Level 2 inspections for any insert that’s been through a heavy Santa Ana season, creosote removal for wood-burning units, and cap replacement when wind damage is found. Sweep. Assess. Repair. That’s the sequence on every visit.
See the difference
Before
After
Before
After
Before
AfterGelco Service Pricing in Upland
Gelco chimney cleaning in Upland typically runs between $150 and $350 for a standard sweep of an open fireplace or insert, depending on access, flue condition, and how much creosote has accumulated. Leg bolts and gasket replacement on Gelco glass doors usually add $40 to $80 per door, and damper blade repair or replacement ranges from $90 to $250 depending on the model. Battery or 9V adapter replacement in the receiver box for a Gelco remote unit runs $25 to $50. Cap replacement with a multi-flue model that stands up to Santa Ana winds falls between $150 and $400 installed, depending on roof access.
What drives your specific cost is what we find during inspection. We don’t quote repair work until we’ve seen the unit and can show you photos of what’s actually going on. Estimates are free. Call (855) 341-8132 and we’ll walk you through what to expect.
Serving Upland, CA — Our Local Coverage Area
We’re based in the Upland 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 Upland
Every year, and ideally before you light the first fire of the season. In Upland, the idle stretch from May through October means debris accumulates and dampers seize, so a pre-season inspection catches issues that a mid-winter emergency call will cost more to fix. Our Upland service area page covers our full sweep and inspection schedule. Call (855) 341-8132 to book yours.
A lingering smoke smell in a cold Gelco insert usually means you’ve got creosote deposits trapped in the flue, or a damper that isn’t sealing fully and is letting air pull odors down into the room. In Upland, wind-driven pressure changes can make this worse by forcing air down the flue. We identify the source during a Level 2 inspection and clean or repair accordingly. Call (855) 341-8132 for a free estimate.
Yes. We install Gelco caps and covers, and when a standard cap is getting battered repeatedly, we’ll recommend a higher-gauge model that holds up better in Upland’s wind corridors. A damaged cap is usually what lets leaves and grit into the flue in the first place, so this fix prevents the blockage that sends smoke back into your living room. Call (855) 341-8132 for an assessment.
Thick, tar-like buildup visible on the inside of the flue, a smoky smell when the insert is running, reduced draft, or a fire that struggles to stay lit even with dry wood. In Upland, burning unseasoned wood accelerates creosote formation quickly, so if you see any of these signs mid-season, don’t wait until spring to address it. Call (855) 341-8132 and we’ll schedule a cleaning.
Yes. Many of the mid-century ranch houses and older detached homes in Upland have Gelco direct-vent gas fireplaces that are original to the house. We clean and service them, including fan replacement, glass gasket work, and damper repair. Older gas units still need annual inspection for proper venting and carbon monoxide safety. Call (855) 341-8132 for a free estimate.
Service Areas Near Upland
We serve Upland and the surrounding Pomona Valley communities, including Pomona, La Verne, Claremont, Montclair, Chino, and Ontario. For Gelco owners in the San Gabriel Valley, see our Gelco service in Walnut page. If you’re in the Covina area, check out Gelco service in Covina.
Book Your Gelco Service in Upland Today
After a strong Santa Ana wind event last fall, we were called to a ranch home near the foothills in the 91784 area where a Gelco wood-burning insert had been idle for months. Similar to calls we get for Gelco repair in Montclair, the Santa Ana winds had caused significant damage. Our tech found the cap had been damaged and the flue was packed with dried leaves and grit, causing smoke to back up into the living room. We cleared the blockage, replaced the cap with a multi-flue model, and performed a Level 2 inspection to ensure no creosote had ignited. The homeowner was ready for winter.
That’s the kind of thoroughness we bring to every Gelco job in Upland. A clean chimney is a quiet chimney, and quiet is exactly what you want. Call (855) 341-8132 for your free estimate and we’ll schedule your service.
Written by Len Castorena, Owner at Lantern Chimney Sweep, serving Upland since 1998.