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 Pomona, CA | Corona Chimney Sweep
We’re an independent chimney service that’s worked with HeatShield’s ceramic flue lining system for years, and we handle everything from routine cleaning to full relining in Pomona’s older homes and nearby areas like Covina, where our Covina HeatShield service covers similar vintage housing stock. Most of our HeatShield work here starts as a cleaning call, then turns into an inspection finding because Pomona’s early-1900s chimneys rarely have just one thing going on. We service all four Pomona ZIP codes: 91769, 91797, 91766, and 91767. Call (855) 382-6159 and we’ll tell you straight whether your HeatShield liner just needs a sweep or something more.
Why Pomona Residents Choose Us for HeatShield Service
HeatShield isn’t a product most sweep companies stock or know how to apply correctly. We do. Our technicians work with HeatShield’s Cerfractory Flue Sealant, the Resurfacing System, Insulation Mix, and Primer on a regular basis, which means when someone in Pomona calls about a deteriorating liner, we’re not flipping through a manufacturer’s PDF. We’re drawing on jobs like the 1920s Craftsman bungalow we serviced off Garey Avenue in the 91766 ZIP where cracked clay tiles and a failing HeatShield lining had been causing downdrafts and soot stains on the living room walls during a Santa Ana wind event. We relined it with HeatShield’s Cerfractory Flue Sealant, installed a new multi-flue cap, and repaired the crown. That’s a one-call fix, not a three-contractor relay. Nolan Ferris, our owner, grew up in South Corona and learned combustion systems through Norco College’s vocational program before spending well over a decade focused entirely on chimneys across the Inland Empire. He doesn’t just brush and bill. He shows you what stage of creosote you’re dealing with and what it means for draft and fire risk. 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 HeatShield Chimney Cleaning Problems We Solve in Pomona
HeatShield liners fail in predictable ways, and Pomona’s conditions make some failure modes more common than others. Here’s what we actually run into:
- Cracking and spalling from thermal cycling. HeatShield’s ceramic lining expands and contracts with heat. Pomona’s long hot summers followed by cooler winter burn cycles stress the material, and in older chimneys that have already shifted, hairline cracks turn into spalled sections that trap creosote and kill draft.
- Glazed creosote buildup. When a fireplace gets used sporadically through Pomona’s mild winters, the fires often burn low and smolder. That produces glazed, tar-like creosote that bonds to the HeatShield surface. A standard wire brush won’t touch it. We use chemical treatments and mechanical removal methods specific to ceramic linings, because aggressive scraping can damage the liner itself.
- Debris and pest nesting in uncapped flues. We find chimney swifts and roof rats in uncapped flues all across the 91766 and 91767 ZIP codes during the dry season. Nests block draft, push smoke back into the house, and their acidic droppings accelerate liner deterioration.
- Corrosion of the metal mesh reinforcement. HeatShield liners have a metal mesh component. When a chimney sits uncapped or the crown leaks, moisture gets behind the ceramic and rusts the mesh from the inside out. The first sign is usually flaking ceramic material in the firebox or a musty smell when the damper opens.
- Original clay tile failure underneath the HeatShield. A lot of Pomona homeowners don’t know this, but HeatShield applied decades ago over failing clay tiles eventually shows the underlying cracks again. The liner is only as stable as the flue it’s bonded to. If the original masonry has shifted, the HeatShield will telegraph those cracks.
HeatShield Service in Pomona: What Local Conditions Mean for Your Equipment
Here’s a pattern we see more in Pomona than in places like Walnut, where HeatShield repair in Walnut deals with different wind exposure. The first Santa Ana wind event of fall triggers a spike in calls for downdrafts and soot blowback, and it’s almost always the same root cause: uncapped flues that accumulated debris and pest nests over the dry season, combined with deteriorated HeatShield lining that’s no longer smooth enough to carry a clean draft. When the wind hits the San Gabriel Mountain foothills and pushes down through the Pomona Valley, a compromised flue turns every gust into a pressure inversion that sends smoke back into the living room. Sealing those gaps and restoring a smooth flue surface, which HeatShield relining does when conditions qualify, fixes the draft mechanically. It isn’t a theory. It’s what we do every October and November on the east side of town.
HeatShield Models & Products We Service in Pomona
We service the full HeatShield product line: the Cerfractory Flue Sealant, the Resurfacing System, the Insulation Mix, and HeatShield Primer. For relining work in Pomona, we use only genuine HeatShield materials, because adhesion and thermal performance depend on the material behaving exactly as the manufacturer’s system is designed to behave. Where ancillary components are concerned, caps and dampers mainly, we stock quality aftermarket options that meet or exceed OEM specs. That means we’re not waiting on a backordered manufacturer part for a simple cap replacement. We keep the common sizes and models on the truck for faster turnaround across Pomona.
See the difference
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AfterHeatShield Service Pricing in Pomona
HeatShield work in Pomona falls into two buckets: cleaning and relining or resurfacing. A HeatShield chimney cleaning typically runs $189 to $350 in Pomona, depending on the stage of creosote and whether we’re doing a standard sweep or a Level 2 inspection with camera work. If the liner needs HeatShield resurfacing or Cerfractory sealant application, that’s a structural service and ranges from $2,500 to $7,500 depending on flue length, access, and the extent of damage. We give you a written estimate before any resurfacing work starts. It includes the camera inspection so you’re looking at the same footage we’re looking at. Nothing gets recommended without visual proof. Call (855) 382-6159 for a free estimate, and we’ll tell you honestly whether your HeatShield liner can be repaired or if it’s past that point.
Serving Pomona, CA — Our Local Coverage Area
We’re based in the Pomona area and also offer La Verne HeatShield service, 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 – HeatShield Chimney Cleaning in Pomona
HeatShield’s Cerfractory Flue Sealant is specifically formulated to bond to cracked clay tile flues, filling hairline fractures and restoring a smooth, continuous flue surface. Instead of tearing out the old tile flue, which means opening walls or running a new liner system, the sealant application coats the interior and stabilizes the structure. It’s a lower-impact fix that works well on Pomona’s 1900 to 1950s bungalows where the original clay tiles are still largely intact but cracked from decades of thermal cycling. Call (855) 382-6159 to schedule a camera inspection and see the exact condition of your clay flue before deciding.
A Level 2 inspection uses a camera to document the full flue interior, which matters here because Pomona’s older homes often have hidden damage behind failed parging or previous patch jobs. When we’re considering HeatShield relining, we need to see exactly what the ceramic will bond to, whether spalled clay is present, and whether the flue is structurally sound enough for resurfacing versus needing a full liner replacement. The camera footage also gives you documentation of what we found. On a 1920s chimney in Pomona, guessing isn’t an option.
Yes, when the downdraft is being amplified by a rough, cracked, or debris-damaged flue surface, HeatShield relining can restore smooth laminar airflow that resists the pressure inversions Santa Ana winds create. If the flue is properly capped, the draft is clean, and the damper closes fully, a HeatShield-lined chimney handles Pomona’s fall wind patterns without smoke blowback. We see this fix work every year on homes in the 91767 ZIP and in neighboring Claremont, where HeatShield repair in Claremont addresses the same wind-driven downdraft issues. If wind-driven downdrafts are your issue, call (855) 382-6159 and we’ll camera-check the flue before selling you anything.
Dry climates are actually kinder to HeatShield’s ceramic material than humid coastal conditions, because moisture intrusion is the bigger enemy of the metal mesh reinforcement. The risk in Pomona comes from the temperature swings: hot Santa Ana days followed by cool nights stress the bond between the ceramic and the underlying flue. A well-maintained HeatShield liner in Pomona can last decades. An uncapped one with a leaking crown can fail in under ten years. The cap and crown matter as much as the liner itself.
The clearest signs are flaking ceramic material in the firebox or smoke shelf, a sudden increase in soot buildup on the damper, unusual odors when the fireplace isn’t in use, or draft changes during Santa Ana wind events. If you’re seeing any of these in a Pomona home with an existing HeatShield installation, don’t wait for the first burn of the season. Call (855) 382-6159 for a camera inspection and we’ll show you exactly what’s happening inside that flue. Estimates are free.
Service Areas Near Pomona
We service all of Pomona and the surrounding cities, including Corona, Chino, Chino Hills, Norco, and Eastvale. If you’re just over the border in Highgrove or down the 10 in Bloomington, we cover those areas too. Our full Pomona service area includes all four ZIP codes, and we’re also handling HeatShield sales & service for residential chimneys throughout the Pomona Valley.
Book Your HeatShield Service in Pomona Today
If your HeatShield liner is overdue for cleaning, or if you’ve noticed draft problems getting worse, call (855) 382-6159 right now. We’ll schedule a free estimate, bring the camera, and show you exactly what’s going on inside your flue before any work is quoted. Fall is coming, and the first Santa Ana wind will find every weak chimney in Pomona.
Written by Nolan Ferris, Owner at Corona Chimney Sweep, serving Pomona and the Inland Empire since 2008.