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.
HeatShield Chimney Cleaning in Claremont, CA | Corona Chimney Sweep
We provide independent HeatShield in Montclair, Claremont, and surrounding areas. The thing that separates our HeatShield work here from anywhere else is the housing stock: most of the older Claremont chimneys we evaluate were built before 1940, and a significant number have flue interiors that decide the job for us before we ever open a bucket of Cerfractory. Call (855) 382-6159 for a straight assessment of whether HeatShield is the right call for your chimney.
We’re not authorized, sponsored, or endorsed by HeatShield. We’re an independent HeatShield sales & service provider that installs and evaluates their products because the flues in this city demand honest answers. Our full Claremont service area covers ZIP 91711, from the Village to the College-adjacent streets.
Why Claremont Residents Choose Us for HeatShield Service
HeatShield is a specific product line with specific limitations. That’s the way we approach it. Nolan Ferris, our owner, grew up in South Corona and has spent more than a decade reading creosote stages and flue-liner condition across the Inland Empire. He built Corona Chimney Sweep around a simple rule: we repair what we find, whether that’s HeatShield service in La Verne or a full liner replacement. If your HeatShield assessment turns up a flue that can’t be resurfaced, we’re the same team that quotes the stainless liner, rebuild, or crown repair. No handoff to another company.
Claremont homeowners call us because we treat a HeatShield evaluation as an evaluation first, not a sale. We carry the full Cerfractory product line from contractor supply channels, pair it with quality aftermarket caps and dampers where HeatShield doesn’t make the part, and we’re straightforward when the product isn’t the right tool for a particular chimney.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in Claremont
- Glazed creosote blocking the bond surface. Claremont’s November-February burning season is short but intense, and hardwood fires deposit creosote quickly. HeatShield Cerfractory will not bond to a glazed or oily flue tile. We deglaze first, then evaluate.
- Opening mortar joints wider than the product’s bridging gap. The long rainless summers and Santa Ana wind events crack and spall original clay tiles. By the time we’re called for a Claremont HeatShield assessment, the joints have often opened past what Cerfractory can bridge. We tell you that plainly.
- Crumbled crowns on Village Spanish Colonial and Tudor chimneys. Thermal cycling through Claremont’s dry season breaks down mortar crowns, letting water track behind the flue and undermine the bond surface HeatShield needs. Crown repair has to come first.
- Unlined single-wythe brick flues with no tile substrate. In the College-adjacent Craftsman homes, we routinely find 1910s-20s brick chimneys with no clay tile at all. HeatShield has nothing to bond to. We document it, show you photos, and recommend a stainless liner instead.
- Spalled clay tile faces on pre-1940 fireplaces. Decades of heat cycling flake the original tile face. We assess how deep the spalling runs before quoting any resurfacing work, because not every deteriorated tile is a resurfacing candidate.
HeatShield Service in Claremont: What Local Conditions Mean for Your Equipment
Here’s what shapes HeatShield work in Claremont more than anything else: the city’s preservation ethos. Homeowners in the Claremont Village and College-area districts own Craftsman bungalows and Spanish Colonial Revivals from the 1900s-1930s, and the city’s historic-preservation culture discourages tear-outs and rebuilds. That means the original brick fireplaces and clay flues stay in place long past their design life. We spend as much time assessing deteriorated mortar crowns and documenting flue condition for cautious owners as we do actually sweeping. For a HeatShield evaluation, that’s critical: the product is a resurfacing system for sound-but-pitted clay tile. When the tile isn’t there, or the joints have opened too far, or the crown has let water track behind everything, the truthful answer is often a stainless liner or rebuild, not a coating. No generic chimney page will tell you that about Claremont, but it’s the first thing we look for when we pull the damper on a pre-1940 home near the Colleges.
One field example from a College-area Craftsman near the Claremont Colleges: our tech pulled the damper and found a 1920s single-wythe brick flue with no clay tile. That’s the kind of chimney HeatShield can’t resurface. We swept and deglazed the firebox and smoke chamber, documented the unlined flue with photos for the preservation-minded owner, and recommended a stainless liner rather than a coating that would have failed within a season. Where the tile was intact on a Village Spanish Colonial chimney, we prepped the pitted joints and applied HeatShield Cerfractory after crown repair. Two houses, two completely different answers. That’s how it works in Claremont.
HeatShield Models & Products We Service in Claremont
We work with the full HeatShield product line relevant to Claremont’s older masonry chimneys. That includes HeatShield Cerfractory Flue Sealant, the standard resurfacing system for clay tile flues with pitted surfaces and hairline cracks. HeatShield Cerfractory Plus handles heavier-build resurfacing on badly deteriorated tiles that still have structural integrity. We also install HeatShield Crown Repair and Crown Coating products on the mortar crowns we rebuild, and use HeatShield Firex-based refractory mortar for joint repair. For parts HeatShield doesn’t make, like caps and dampers, we pair their materials with quality aftermarket components from lines like DuraFlex and Olympia Chimney. Our stance on parts is simple: genuine HeatShield where it matters, aftermarket where it doesn’t, and we’ll tell you which is which before any work begins.
See the difference
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After
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After
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AfterHeatShield Service Pricing in Claremont
HeatShield resurfacing in Claremont typically runs between $2,500 and $6,000 depending on flue length, access, and the condition of the existing tile. A chimney sweep with creosote removal runs $180 to $350, and a Level 2 camera inspection runs $150 to $400. Crown repair is usually $300 to $800. What drives the HeatShield number up here is prep work: deglazing heavy hardwood creosote, rebuilding crowns that have crumbled through Claremont’s dry-season thermal cycling, and sometimes discovering mid-job that the flue isn’t a resurfacing candidate at all. Our estimates are free, itemized, and honest. Call (855) 382-6159 for an exact quote on your Claremont chimney.
Serving Claremont, CA — Our Local Coverage Area
We’re based in the Claremont area and know this community well, and we also provide HeatShield repair in Upland. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – HeatShield Chimney Cleaning in Claremont
No. HeatShield Cerfractory is a resurfacing system that bonds to existing clay tile. An unlined single-wythe brick flue from the 1910s-20s has no tile substrate, so there’s nothing for the product to bond to. For those Claremont chimneys, we recommend a stainless liner such as DuraFlex, which provides a code-compliant venting system without relying on the original brick. Call (855) 382-6159 for an evaluation and we’ll show you exactly what your flue looks like on camera.
Thermal cycling is the answer. Claremont’s hot, dry summers bake the mortar crown, and the sudden moisture and temperature shifts when the Santa Anas blow through create repeated expansion and contraction. Over decades, the crown cracks, spalls, and crumbles. We rebuild crowns with HeatShield Crown Repair materials and aftermarket crown coatings designed for exactly this failure pattern, and we’ll document the before and after so you can see the repair. Call (855) 382-6159 to schedule a crown inspection.
Yes, it absolutely does. HeatShield will not bond to a glazed or oily flue. The hardwood fires Claremont homeowners burn through the short winter season create fast-accumulating creosote that coats the tile face. Before any HeatShield assessment or application, the flue has to be swept and deglazed. We do both, then evaluate whether the tile is a resurfacing candidate. Call (855) 382-6159 to book a sweep and HeatShield assessment together.
A Level 1 inspection is a visual check of the accessible portions of the flue during a routine sweep. A Level 2 inspection uses a camera to examine the entire flue interior, the smoke chamber, and the connecting appliance. Before any HeatShield work in Claremont, we insist on a Level 2 camera inspection. The older the chimney, the more likely there’s something behind the damper that changes the whole scope of the job. We show you the footage, so you never take our word on faith.
No. HeatShield restores the interior surface of a sound-but-pitted clay tile flue. It is not a structural repair. If the brickwork itself is failing, if the flue is unlined, or if the crown and mortar joints have deteriorated to the point of structural compromise, a coating will not fix it. In Claremont, where preservation concerns often keep original brick in place, we’ll tell you plainly when a rebuild or stainless liner is the honest answer, and we’ll quote both options so you can decide with full information.
Service Areas Near Claremont
We serve Claremont and the surrounding Inland Empire communities, including HeatShield service in Grand Terrace, Corona, Norco, Eastvale, Jurupa Valley, Home Gardens, and El Cerrito. If you’re east or south of Claremont, we cover HeatShield service in Coto De Caza as well. Call (855) 382-6159 to confirm availability in your area.
Book Your HeatShield Service in Claremont Today
Get a free estimate on HeatShield cleaning, resurfacing, or a Level 2 camera inspection in Claremont or HeatShield service in San Antonio Heights. Call (855) 382-6159 and we’ll get you on the schedule before the next burning season.
Written by Nolan Ferris, Owner at Corona Chimney Sweep, serving Claremont since he started with a truck, a brush set, and a conviction that no one should be told their flue is fine when it isn’t.