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 Costa Mesa, CA | Oakleaf Chimney Sweep
We provide independent Gelco fireplace service and chimney cleaning across Costa Mesa, covering the 92626, 92627, and 92628 ZIP codes. The thing that sets our Gelco work here apart: we’re not chasing creosote. In Costa Mesa, most Gelco fireplaces sit unused behind the marine layer, and the real problems are rust, seized dampers, and venting that was never properly checked after a decades-old gas conversion. Call (855) 362-1450 for a free estimate on any Gelco chimney cleaning or inspection.

Why Costa Mesa Residents Choose Us for Gelco Service
We’ve worked on Gelco systems across Costa Mesa’s mid-century ranches and Westside bungalows long enough to know the difference between a fireplace that needs a sweep and one that needs real repair. Noel Carranza, who runs Oakleaf, learned the mechanical side of this trade through the HVAC and building systems program at Palomar College before spending years on hands-on chimney work across Southern California. That background matters when a Gelco unit has a venting problem hiding behind a clean-looking firebox.
Our independence is the point. We’re not a Gelco dealer pushing a sale. If your Gelco direct-vent fireplace needs an OEM termination cap, we’ll source it. If the refractory panel is cosmetic and OEM stock ran out years ago, we’ll tell you an aftermarket equivalent does the same job. If the firebox is rusted through and no part will fix it, we’ll say so plainly. Fewer calls, fewer surprises, one number to dial: (855) 362-1450.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Costa Mesa
- Rusted firebox panels on vent-free log sets. The salt-laden marine air here attacks exposed steel faster than inland cities. We regularly replace refractory panels on Gelco vent-free units in Westside bungalows where moisture sat against the firebox for years.
- Corroded direct-vent termination caps. Coastal exposure eats these caps. Wind-driven rain gets past the collar and knocks out pilots during Santa Ana gusts. We stock common cap sizes and source OEM Gelco replacements when safety-critical parts fail.
- Disconnected B-vent connectors behind gas conversions. A Gelco gas log set installed into a 50-year-old clay flue that was never re-lined is a pattern we know well. The draft hood gap opens over time, and combustion byproducts can spill into the room when the flue is cold. Our Level 2 inspections check exactly that.
- Seized damper linkages on rarely used fireplaces. A Gelco fireplace that hasn’t been lit in three or four years will often have a damper frozen in place. Homeowners don’t notice until we inspect and find the flue stuck open or closed, whichever happened to be the last position.
- Musty odors from trapped coastal moisture. That damp, rusty smell from an unused fireplace is usually moisture sitting behind the firebox. We clean, dry, inspect, and repair the source rather than masking it.
Gelco Service in Costa Mesa: What Local Conditions Mean for Your Equipment
Here’s a checkable fact: Costa Mesa sits inside the coastal-Orange-County marine layer, so relative humidity runs high most mornings and salt-laden onshore air pushes inland from Huntington Beach and Gelco in Newport Beach. That means a fireplace in Costa Mesa will rust faster and creosote slower than one ten miles east in Orange or Anaheim. For Gelco owners specifically, the takeaway is that once-a-decade creosote removal doesn’t address what actually fails here. We find rusted dampers, pitted fireboxes, and corroded vent caps on units that were never heavily burned. Our Gelco chimney cleaning in Costa Mesa focuses on moisture-driven decay first, then gets into the mechanical safety check that every gas fireplace should get regardless of how often it’s lit.
Gelco Models & Products We Service in Costa Mesa
We service Gelco direct-vent gas fireplaces common in 1990s – 2000s infill and remodel builds on the east side, Gelco B-vent decorative gas appliances typical of 1950s – 60s ranch conversions, and Gelco vent-free gas log sets frequent in Westside bungalows and smaller multifamily units. For safety-critical components like vent caps and draft hoods, we source OEM Gelco parts when they’re available. For cosmetic pieces like log sets or refractory panels where OEM stock has been discontinued, we use quality aftermarket equivalents. Our approach to parts keeps turnaround fast for Costa Mesa repairs without cutting corners on the parts that matter.
See the difference
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After
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After
Before
AfterGelco Service Pricing in Costa Mesa
Gelco chimney cleaning in Costa Mesa typically runs $150 – $250 for a standard cleaning and inspection on a gas fireplace. Our Level 2 Inspection adds $100 – $200 depending on access and whether we need camera equipment to check the full flue. Damper repair runs $150 – $350. A refractory panel replacement typically lands between $200 – $400 with the part. Full flue relining, when a Gelco gas conversion has damaged the original clay tile beyond patch, starts around $2,500 and up. Every estimate includes the inspection first, so you’ll know the exact number before any work begins. Call (855) 362-1450 for a free quote.
Serving Costa Mesa, CA — Our Local Coverage Area
We’re based in the Costa Mesa 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 Costa Mesa
Yes, especially if the fireplace was converted to gas decades ago and the original flue was never re-inspected. We find disconnected vent connectors and blocked flues behind working-looking fireplaces on the Westside and older east-side tracts of Costa Mesa all the time. A Level 2 inspection uses camera equipment to see the entire vent path, and it’s the only way to know if your unused fireplace is actually safe. Call (855) 362-1450 to schedule one.
The smell is almost always trapped marine-layer moisture sitting against the firebox or vent collar. Costa Mesa’s coastal air keeps humidity high even when you’re not burning, and the salt accelerates rust on exposed steel components. We inspect the cap, collar, and firebox, replace what’s corroded, and the smell goes away once the moisture source is fixed, not just cleaned over.
Most seized dampers can be freed and lubricated if the linkage is intact. We did exactly this on a Gelco vent-free log set in a 1950s bungalow off the Westside near San Joaquin Hills Gelco service where the damper had frozen open, letting the coastal damp sit inside for years. If the linkage itself is broken or the damper plate has rusted through, replacement is the only option, and we’ll show you the part before quoting it.
Vent-free log sets in a sealed fireplace are a known ventilation problem, and in smaller Costa Mesa homes with tight rooms the concern is real. Vent-free units need some make-up air to burn cleanly, and a sealed firebox defeats that. We check the installation against current clearances and ventilation requirements during the Level 2 inspection and tell you if the setup is safe or needs a venting change. Call (855) 362-1450 and we’ll inspect it properly.
Annually is still the right interval. Even if you burn three times a year, the coastal air here is working on the metal components every day. A yearly inspection catches rust and cap corrosion before a Santa Ana gust turns a small leak into a pilot outage or a draft problem. For most Costa Mesa Gelco owners, the service is more about moisture and venting checks than creosote removal, but it still needs to happen every year.
Service Areas Near Costa Mesa
We also serve Gelco owners in Escondido, Hidden Meadows, Valley Center, San Pasqual, Rancho Santa Fe, and Fairbanks Ranch. Our team covers Gelco service in Riverside and Gelco service in North Tustin as well, and we’re familiar with how coastal and inland conditions affect fireplace venting differently. If you’re just outside Costa Mesa, call us and we’ll confirm coverage for your street.
Book Your Gelco Service in Costa Mesa Today
We repair what we find, which means a Gelco chimney cleaning in Costa Mesa is more than a brush through the flue. It’s a safety inspection, a moisture check, and a damper and venting evaluation all in one visit. Call (855) 362-1450 for a free estimate and we’ll get your fireplace ready for the next cold snap or Santa Ana stretch.
Written by Noel Carranza, Owner at Oakleaf Chimney Sweep, serving Costa Mesa since 2009.