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 Alpine, CA | Corona Chimney Sweep
We provide independent Gelco chimney cleaning, inspection, and repair across Alpine’s 91901 and 91903 ZIP codes. The one thing that makes our Gelco work here different: we actually understand how Alpine’s freeze-thaw foothill winters and brush-country Santa Anas hammer Gelco caps, dampers, and stovepipe joints. If your Gelco fireplace or stove hasn’t been swept and checked, call (855) 382-6159 and we’ll get it done before burning season tightens up.
We’re Corona Chimney Sweep, and we’ve spent years servicing Gelco factory-built fireplaces and freestanding stoves across San Diego’s backcountry. We know the specific cap, damper, and flue-chase layouts Gelco used across their lines: original prefab fireplaces, wood-burning inserts, and freestanding stoves with chimney connectors. We’re an independent shop, not a manufacturer-authorized representative. That matters because it means we tell Alpine homeowners honestly whether a Gelco unit needs a sweep, a cap fix, or replacement, rather than steering toward whatever the dealer wants to sell. For more on our broader Gelco work, see our Gelco sales & service page.
Why Alpine Residents Choose Us for Gelco Service
Alpine sits at roughly 1,800 to 2,000 feet, one of the only places in San Diego County that gets real freezing nights and occasional snow. People here run wood-burning fireplaces and stoves as primary or backup heat, not as decoration. That means a Gelco unit in Alpine sees more firing hours, more creosote loading, and more weather exposure than a Gelco unit sitting in a coastal tract home. Nolan Ferris, our owner, takes a methodical approach to creosote classification: he shows homeowners exactly what stage of buildup they’re dealing with and what it means for draft and fire risk. He doesn’t just brush it and send a bill.
We also repair what we find. That’s the part that separates us from sweep-only crews. If a sweep uncovers a rusted Gelco cap screen or a cracked connector seam, we fix it on the same visit when conditions allow. No handoff, no waiting on a referral. One provider, every venting hazard. If you can’t see daylight through the damper, we need to talk before you light that first fire of the season.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Alpine
- Packed spark-arrestor cap screens. Alpine sits in wildland-urban interface brush country, and Santa Ana winds drive leaf litter, grit, and fine debris into Gelco cap screens. On stoves used as primary heat, that packed screen chokes draft and pushes smoke back into the house. We pull the cap, clear the screen or replace it, and check the entire venting path.
- Frost-rusted caps and dampers. Alpine’s winter freeze-thaw cycle attacks the underside seams and fasteners of Gelco caps and top-mount damper assemblies more aggressively than coastal San Diego ever does. Water tracks into the chase, rust forms, and fasteners loosen. We check these on every Alpine call, because it’s rare to open a Gelco cap up here and find it untouched.
- Cracked or loosened connector joints on older stoves. Gelco freestanding stoves on rural Alpine lots often vent through metal chimneys whose exterior stacks take a beating from rot and winter moisture. The connector where the stovepipe enters the chimney is a common failure point. We look for this specifically on older installations.
- Glazed creosote buildup in connector pipe. Alpine’s wet winters create a creosote and moisture interplay that accelerates the hardest, most dangerous form of buildup. This shows up most often just above the stove, where the connector runs hottest then cools rapidly between fires. Glazed creosote wants a mechanical rotary treatment, not just a brush.
- Missing or homeowner-rigged arrestors. We see plenty of older Gelco stovepipe runs where the arrestor was removed or never properly sized to begin with. In WUI brush country, that’s an ember-escape risk as well as a smoke-back problem. We replace with properly sized aftermarket screens and caps that match the Gelco flue dimensions.
Gelco Service in Alpine: What Local Conditions Mean for Your Equipment
Here’s the thing a generic San Diego chimney page won’t tell you: Alpine sits high enough in the foothills that it gets genuine freezing nights and occasional snow, so Gelco stovepipe and cap joints here face a freeze-thaw cycle that coastal and metro San Diego chimneys never see. The same cycle affects our Gelco service in Eucalyptus Hills. Water settles into the seams and fastener threads, freezes overnight, expands, and slowly works metal apart. Over a few winters, that loosens cap assemblies and cracks connector seams. We look for exactly that on nearly every call, and it’s why a visual sweep-only check isn’t enough if you live in Alpine and run a Gelco stove as backup heat.
We saw it plain on a rural lot off Alpine Boulevard, similar to what we see providing Gelco service in Lakeside: a homeowner running a Gelco freestanding stove as backup winter heat. The spark-arrestor cap screen was packed with leaves and grit, and glazed creosote had built up in the connector above the stove. A camera-assisted Level 2 confirmed the metal flue joints were sound, so we pulled and cleared the cap, replaced a rusted screen and loosened fasteners, then swept the pipe back to clean. The stove drafted properly again before the first frost. That’s the kind of call a coastal chimney crew just doesn’t get.
Gelco Models & Products We Service in Alpine
We work on Gelco factory-built prefab fireplaces, the metal firebox with a listed metal chimney. We service Gelco wood-burning fireplace inserts and freestanding wood stoves with chimney connectors, along with Gelco multi-flue chimney caps and top-mount damper assemblies. When parts are needed, we stock quality aftermarket caps, screens, dampers, and connectors sized to common Gelco flue dimensions, and we source OEM-equivalent parts when the fit or listing matters. On a 20-plus-year-old Gelco prefab, we’ll always show you the firebox and flue condition on camera and give an honest repair-versus-replace call, rather than selling a rebuild the unit doesn’t need.
See the difference
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AfterGelco Service Pricing in Alpine
Chimney sweeping for a Gelco unit in Alpine typically runs from $189 for a simple stovepipe or prefab sweep to $389 or more when we’re dealing with heavy glazed creosote or an insert that needs the blower pulled and secured. A Level 2 camera inspection adds $150 to $450 depending on the flue length and access. Cap and arrestor replacements run $95 to $350 including parts and the roof work. The biggest cost driver in Alpine is access: steep rural lots, metal roof pitch, and clearance around exterior stacks all add labor time. Call (855) 382-6159 and we’ll give you a free estimate over the phone and a flat price before any work starts.
Serving Alpine, CA — Our Local Coverage Area
We’re based in the Alpine area and know this community well, and we also provide Gelco in Harbison Canyon. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in Alpine
No, and we’re not trying to be. We’re an independent chimney service company that knows Gelco products from years of hands-on work in San Diego’s backcountry. That independence means we tell Alpine homeowners what the unit actually needs, not what a dealer would prefer to sell. We use aftermarket parts sized to Gelco flue dimensions and OEM-equivalent parts where the listing calls for it.
Yes. We perform Level 2 camera inspections for real estate transactions throughout Alpine and the surrounding foothill communities, including Gelco in Jamul. The inspection covers the firebox, flue liner, cap, damper, chase, and all accessible joints. We deliver a clear written report with photos so you can make a decision before close. Call (855) 382-6159 to schedule an inspection around your escrow timeline.
We stock aftermarket caps, screens, dampers, and connectors in the common Gelco flue sizes and can usually source OEM-equivalent parts within a few days when needed. For older Gelco prefab units, parts availability depends on the model, and part of what we do is tell you honestly when a repair makes sense and when replacement is the smarter call.
Most Gelco sweeps and Level 1 inspections run 60 to 90 minutes. A Level 2 camera inspection adds another 30 to 45 minutes on the roof and at the appliance. Steep lots and tough chase access in Alpine can stretch that, and we’ll tell you before we start if yours looks like one of the longer ones.
Expect $189 to $389 for a standard sweep, with Level 2 inspection adding $150 to $450 and cap replacement running $95 to $350 when needed. The Alpine factor is roof and lot access, which can push labor on the higher end. Call (855) 382-6159 for a free estimate and a flat price confirmed before we start.
Service Areas Near Alpine
Our Gelco service covers Alpine and the surrounding communities, including Alpine service area neighborhoods throughout 91901 and 91903. We also run calls to Gelco service in Rancho San Diego and Gelco service in National City for homeowners who’ve moved up the hill or still own property in both spots.
Book Your Gelco Service in Alpine Today
Alpine’s burning season doesn’t wait. Frost nights and Santa Anas are already working on your Gelco cap and joints. Call (855) 382-6159 for a free estimate, and we’ll get your sweep and inspection scheduled before the first real cold snap hits the foothills.
Written by Nolan Ferris, Owner at Corona Chimney Sweep, serving Alpine and the San Diego backcountry.