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 Tustin, CA | Oakleaf Chimney Sweep
We provide independent Gelco chimney cleaning and repair across all three Tustin ZIP codes, 92780, 92781, and 92782. What makes our Gelco work here different is simple: we carry tooling and parts for both the 1950s masonry fireplaces in Old Town and the direct-vent gas units that dominate Tustin Ranch. Most sweeps are set up for one or the other. We run both routes every week, so we know what Gelco systems actually fail on in each part of this city. Call (855) 362-1450 for a free estimate.

Why Tustin Residents Choose Us for Gelco Service
Gelco fireplaces and inserts are solid equipment, but they have specific failure points that take experience to catch early. We have spent years servicing Gelco sales & service systems across Tustin’s split housing stock, and we stock the dampers, refractory panels, and vent caps that match both eras of Gelco equipment. We are independent, not authorized by Gelco, but we fit OEM Gelco parts when they’re available and quality aftermarket parts when that makes more sense. Owner Noel Carranza learned his way around combustion venting through the HVAC and building systems program at Palomar College, then spent over a decade working on chimneys before Oakleaf existed. He is blunt about what needs fixing and what can wait another season. That bluntness is exactly what Tustin homeowners tell us they value most.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Tustin
Every fireplace brand has its patterns. Gelco units in Tustin tend to fail in ways that follow the ZIP code. Here is what we see most often:
- Rusted or seized damper pivot points in older Gelco A-Series fireplaces. This shows up most in 92780 ranch homes where the original damper sits unused for eight or nine months and condensation does its work. The damper either sticks shut or flops open, and neither is safe to burn with.
- Cracked or spalling refractory brick liners in Gelco prefab boxes. Tustin’s long dry season is not kind to those panels. When winter rain does arrive, water wicks into unsealed crowns and the liner starts flaking. We catch this on Level 2 inspections and often repair it with HeatShield before a full tear-out is needed.
- Glazed third-degree creosote in Gelco B-vent flues. Tustin fireplaces get used a handful of weeks a year, often with hot, fast fires. That is exactly the recipe for hard, shiny creosote. Santa Ana winds push embers and ash down uncapped Gelco chimneys, gluing the buildup to the flue walls even harder.
- Loose or missing direct-vent terminal caps on Gelco gas units in Tustin Ranch. In 92782, stucco walls hide vent terminations from street view. Bird nests, spider webs, and debris collect behind those caps for months. Homeowners do not notice until the first cold night when the unit will not light or drafts carbon monoxide back into the room.
- Crown leaks and flue deterioration on Gelco Universal Masonry Fireplace Inserts. The older clay tile flues in Old Town Tustin ranch homes were never designed for decades of use without relining or at least a crown coat. After any significant winter storm, we recommend checking the exterior crown before water spreads through the flue.
Gelco Service in Tustin: What Local Conditions Mean for Your Equipment
Tustin is one of the only Orange County cities where a single sweep route has to carry both traditional rod-and-brush gear for 1950s masonry flues in 92780 and a gas-appliance certification kit for the direct-vent Gelco units that dominate 92782. That split changes the inspection checklist block by block, just as it does for our Irvine Gelco service. On a call in Old Town Tustin near El Camino Real, our tech found a 1958 ranch home with a Gelco A-Series fireplace whose damper had rusted open and whose clay flue was glazed with third-degree creosote. We swept the flue with poly brushes, freed and lubricated the damper pivot, and applied a crown coat to stop the leak that had been feeding the rust. The homeowner passed a Level 2 inspection for the first time in years. A sweep who only works on newer gas units would have walked past half of that. And a sweep who only does old masonry would be lost on a Tustin Ranch Gelco direct-vent with a failed gasket. We are set up for both, because in Tustin the next house over is always a different generation of fireplace.
Gelco Models & Products We Service in Tustin
Our crew works on the full Gelco lineup that shows up across Tustin:
- Gelco A-Series prefabricated metal fireplaces
- Gelco B-Vent gas fireplace inserts
- Gelco Direct-Vent gas fireplace systems
- Gelco Universal Masonry Fireplace Inserts
We use OEM Gelco dampers, liners, and caps when they are available. When an OEM part is backordered or discontinued, we source aftermarket pieces tested for fit and safety before they go on your fireplace. And we will tell you straight when a repair is throwing good money after bad. Some older Gelco fireboxes are better replaced than repeatedly patched, and we will not hesitate to say so.
See the difference
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After
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AfterGelco Service Pricing in Tustin
Gelco chimney cleaning in Tustin typically runs between $180 and $340, depending on the system and what we find inside. Here is how it breaks down:
| Service | Typical Range |
|---|---|
| Standard Gelco chimney sweep (Level 1) | $180 – $240 |
| Level 2 inspection with camera | $250 – $340 |
| Creosote removal (glazed, heavy buildup) | $60 – $120 adder |
| Damper repair (pivot, cable, or plate) | $120 – $260 |
| Direct-vent cap replacement | $95 – $180 |
Camera inspection and a photo report are included with every level of service, so you see what we see before any repair is recommended. A free estimate tells you the exact number for your Gelco system. Call (855) 362-1450.

Serving Tustin, CA — Our Local Coverage Area
We’re based in the Tustin area and also provide Gelco in North Tustin, so we 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 Tustin
Yes, though the work looks different than a wood-burning sweep. A Gelco direct-vent system needs the vent termination checked for bird nests and debris, the gasket seals inspected, the burner cleaned, and the glass cleaned of mineral deposits. Gas fireplaces produce acidic condensation that corrodes vent components over time, and Tustin Ranch units in 92782 sit behind stucco walls where those problems stay hidden. We recommend a service visit every one to two years even if the fireplace works fine, the same schedule we follow for Gelco service in Aliso Viejo. Call (855) 362-1450 to schedule.
Condensation is the usual culprit. Original dampers in 92780 ranch homes sit unused for most of the year, and moisture from the flue settles on the pivot points and rusts them. Once rust sets in, the damper either seizes shut or will not stay closed. We free the pivot, lubricate it with high-temperature compound, and replace the damper plate if it is too far gone. A crown coat usually stops the leak that caused the rust in the first place.
Annually is ideal, especially before the first cold nights of the year. Tustin’s mild climate means fireplaces go unused for long stretches, and problems develop quietly during those months. A Level 2 inspection with a camera catches cracked refractory panels, hidden creosote, and vent blockages before they become fires or carbon monoxide risks. If you have a wood-burning Gelco system, annual is non-negotiable. Gas units can go every other year in most cases.
We can. Spalling refractory panels and flaking brick liners are common in older Gelco fireboxes, especially in Old Town Tustin homes where crown leaks have let moisture into the liner for years. We use HeatShield liner restoration compound to resurface damaged flue liners when the structure is still sound. If the damage is too far gone, we will tell you that too and quote a full reline. You will see the camera footage either way.
Yes, that is exactly the kind of split we handle every week. Tustin landlords often own a newer property in Tustin Ranch plus an older rental in Old Town, and one call covers both systems—similar to how we handle Gelco in Costa Mesa. We will bring gas-vent tooling for the insert and rod-and-brush gear for the masonry flue, and the invoice comes from one company. Call (855) 362-1450 and we will schedule both in a single visit.
Service Areas Near Tustin
Beyond Tustin, our routes cover Escondido, Hidden Meadows, Valley Center, San Pasqual, Rancho Santa Fe, and Fairbanks Ranch. If you have a Gelco system in one of those areas, we likely have a route day nearby. We also run dedicated Gelco service in Calimesa and Gelco service in Norco for Inland Empire customers. And if you are reading this from another part of Orange County, see our full Tustin service area page to check coverage.
Book Your Gelco Service in Tustin Today
If your Gelco fireplace has not been looked at this year, call (855) 362-1450 for a free estimate. We service all three Tustin ZIP codes and can usually get you on the schedule within a few days. A clean flue is not a luxury – it is just the baseline for using a fireplace safely.
Written by Noel Carranza, Owner at Oakleaf Chimney Sweep, serving Tustin and surrounding Orange County communities.