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 | San Bernardino Chimney Sweep
HeatShield chimney cleaning in Claremont usually means more than a sweep. Most of the pre-1960s Craftsman and Spanish Colonial homes here still have original clay tile flues, and those flues were never built for today’s inserts or gas conversions. So a routine cleaning in Claremont often turns into a HeatShield repair conversation. We’re an independent HeatShield service provider, not manufacturer-affiliated or authorized, and we’ve worked on enough Claremont chimneys to know what that means for your house. We also provide HeatShield service in San Antonio Heights. Call (877) 516-7159 for a straight answer about what your flue actually needs.

Why Claremont Residents Choose Us for HeatShield Service
Allen Prescott, our owner, learned HVAC fundamentals at San Bernardino Valley College before narrowing his focus to chimney and venting work. He grew up in the Inland Empire and has spent nearly three decades looking at what fire and heat do to masonry. When it comes to HeatShield sales & service in Claremont, that background matters because the failures we see here aren’t textbook. They’re specific to how Claremont homes were built and how people actually use them.
We install and service HeatShield ceramic flue liners in hundreds of Claremont’s historic masonry chimneys, and we offer the same HeatShield service in La Verne. We know how the product behaves inside original clay tile flues that were never sized for modern inserts. We also know which parts fail first, and when a repair will hold versus when a flue is too far gone to patch. You’ll get a real recommendation, not a sales pitch. Contractor-grade materials, not hardware-store substitutes. We find it and we fix it, so you don’t have to call a second company when the inspection turns up liner damage.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in Claremont
- Cerfractory coating delamination on oversized clay tiles. Claremont’s 1920s – 1950s bungalows often have clay tile flues larger than what a small, occasional fire needs. Thermal cycling from light use plus hot, dry Inland Empire summers causes the HeatShield coating to expand and contract unevenly. We see it lift and flake. The fix is removing the failed material and reapplying with proper surface prep, not just covering it.
- Cracked or spalling original clay tiles behind the brick face. Original Claremont fireplaces were built for open hearth fires. When a homeowner later adds a wood-burning insert or gas unit, the flue sees temperatures and drafts it was never sized for. Tiles crack, spall, and shift. HeatShield liner alignment then becomes a problem, and the flue often needs resizing before any sealant will hold.
- Bird and squirrel intrusion through missing or damaged caps. Claremont’s foothill location means birds and squirrels get into chimneys fast. Nests clog the flue, droppings corrode surfaces, and animals can scratch up cured HeatShield material before the first fall sweep. A missing cap isn’t just an open hole. It’s how your liner gets torn up from the inside.
- Santa Ana debris abrading freshly applied HeatShield sealant. Wind funnelling down from the San Gabriels packs chimneys with leaves, dirt, and palm frond debris. If a newly sealed flue is left exposed to that, the abrasive grit can wear the surface before it fully cures. We always check cap condition and fit before and after any HeatShield application in Claremont.
- Glazed third-degree creosote on occasional-use fireplaces. Claremont doesn’t have heavy burning seasons, but the fires that do get lit are often small and smoldering. That low-temperature burning produces glazed creosote that hardens and resists normal brushing. It also hides cracks underneath. A standard sweep won’t get it out. HeatShield work often starts with removing that glaze first.
HeatShield Service in Claremont: What Local Conditions Mean for Your Equipment
Claremont’s historic-preservation rules often prohibit exterior chimney alterations, and that changes the whole repair conversation. If you own a 1920s Craftsman or Spanish Colonial Revival home in the Village or a surrounding historic tract, you generally cannot rebuild the chimney stack, change the cap profile, or alter the exterior brick in any way that affects the street-facing appearance. What you can do is repair the flue from the inside. That’s why HeatShield ceramic sealants and resurfacing systems are frequently the only code-compliant option for original clay tile chimneys in Claremont. This shifts what starts as a cleaning call into interior relining work that wouldn’t be necessary in neighboring cities with looser exterior rules. Our crews know how to work entirely from the inside, preserving the historic façade while restoring safe venting. It’s a constraint, but it’s also why HeatShield matters so much here specifically.
HeatShield Models & Products We Service in Claremont
We work with the full HeatShield product line, including HeatShield Cerfractory Flue Sealant for cracked clay tile liners, the HeatShield Resurfacing System for spalled or deteriorated flue interiors, HeatShield Insulated Flue Liner Kits for wood inserts and gas conversions, and HeatShield Custom Flue Caps in multi-flue and historic-profile options. We stock genuine HeatShield Cerfractory and Resurfacing materials for fast Claremont turnaround. We don’t use aftermarket sealants on these jobs because aftermarket products often fail to bond to aged clay tiles. When a flue is too far gone, we recommend full relining or rebuild rather than a patch that won’t last. That’s the difference between a repair that holds and one that fails by next season.
See the difference
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AfterHeatShield Service Pricing in Claremont
HeatShield chimney cleaning in Claremont typically starts with a Level 2 inspection, which runs $150 – $350 depending on flue height and access. If the inspection turns up cracked tiles or spalling, HeatShield Cerfractory sealant application adds $900 – $2,500, while a full resurfacing job runs $2,500 – $6,000. Cap replacement or installation falls between $150 – $500. Several things drive Claremont pricing specifically: the age of the original clay tile liner, how much glazed creosote has to be removed first, and whether the flue is large enough to receive a HeatShield system without resizing. Every estimate we give is a flat number, not an hourly open-ended quote. Call (877) 516-7159 and we’ll walk through what your chimney actually needs, with the camera footage to show you why.
Serving Claremont, CA — Our Local Coverage Area
We’re based in the Claremont area and know this community well, and we also provide HeatShield in Montclair. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – HeatShield Chimney Cleaning in Claremont
Yes, and that’s the main reason Claremont homeowners choose it. HeatShield is applied from the inside, so the exterior brick, cap profile, and street-facing appearance stay exactly as they are. For historic homes in the Village and surrounding tracts where exterior alterations are restricted, this is often the only repair path that keeps the house code-compliant.
Light, occasional use means creosote builds slowly, but it also means thermal cycling is uneven. The liner heats and cools less predictably than it would with regular burning. That cycling, combined with Claremont’s hot dry summers, is exactly what causes Cerfractory coating to delaminate on oversized clay tiles. A properly applied and cured HeatShield liner in a lightly used Claremont fireplace can last for many years, but it depends on the prep work and whether the flue was sized correctly first. Call (877) 516-7159 if you want an honest read on whether your liner is at risk.
They damage any cap that isn’t secured properly. Santa Ana events coming down from the San Gabriels hit Claremont chimneys with wind-blown leaves, dirt, palm fronds, and sometimes downed branches. The debris abrades exposed metal, loosens cap fasteners, and can clog multi-flue caps. For HeatShield work specifically, you want the cap checked and secured before sealing, because grit hitting fresh sealant will compromise the cure.
Generally yes. The Insulated Flue Liner Kit is designed for exactly that application, and it lets you keep the original exterior chimney intact while giving the gas insert a properly sized, insulated flue. The catch, common in Claremont, is that the original clay tile flue often needs resizing or at least inspection before the kit goes in. If the liner is misaligned or spalled, that has to be addressed first.
Cerfractory is a ceramic-modified sealant designed to bond directly to aged clay tiles as a continuous, insulating layer. Standard refractory mortar is a patch material. Claremont’s original clay tiles are often cracked, spalled, or oversized, and mortar alone won’t bond long-term to those surfaces. That’s why we use genuine HeatShield materials when a repair is feasible, and recommend full relining when it isn’t. Call (877) 516-7159 for a free estimate and we’ll show you what your flue actually looks like on camera.
Service Areas Near Claremont
We also provide Claremont service area coverage and HeatShield work throughout the surrounding Inland Empire. That includes HeatShield service in Los Serranos, HeatShield service in Romoland, plus Rubidoux, San Bernardino, Colton, Muscoy, Loma Linda, and Rialto.
Book Your HeatShield Service in Claremont Today
If your Claremont chimney needs HeatShield work, or you need HeatShield repair in Upland, or you just want a Level 2 inspection before the next cold snap, call (877) 516-7159. We’ll schedule the visit, show you the camera footage, and tell you plainly what needs to be done and what can wait. A clean flue isn’t a luxury, it’s just how you keep the fire where it belongs.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep, serving Claremont since the company’s founding.