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 Fontana, CA | Ontario Chimney
We’re Ontario Chimney, and we provide independent HeatShield service in Bloomington and across Fontana. We are not affiliated with or authorized by HeatShield, but we know their liner and mortar systems better than most because we’ve been repairing them inside Fontana’s aging tract homes for years. The one thing that makes our HeatShield work here different: we understand how desert dust and Santa Ana winds quietly wreck liners and caps that look fine from the outside. Call (833) 467-7685 for a free estimate.
Why Fontana Residents Choose Us for HeatShield Service
HeatShield liners and caps show up in a lot of Fontana chimneys, especially on the older south side. We work with the ReliaGARD and ArmorGuard lines regularly, and we’ve seen what decades of intermittent burning does to them here. Al Vickers, our owner, grew up in the Sultana neighborhood of Ontario and has spent the better part of three decades learning what the Inland Empire does to a chimney. The dry summers, the wind, the quick cold snaps that send everyone to their fireplace at once. That background means we don’t just clean a HeatShield liner. We look for what Fontana specifically has done to it.
We’re a full-service chimney and venting company, not a pressure-wash outfit that added sweeping to the menu. HeatShield is one of the professional-grade brands we trust, alongside DuraFlex, Gelco, Olympia Chimney, Famco, and Copperfield. When a HeatShield repair needs parts, we use genuine components where available. For older systems, we source high-quality aftermarket parts that meet or exceed OEM specs so you’re not paying a premium for a label. And we’ll always tell you straight whether a liner can be resealed or actually needs replacement. For HeatShield sales & service, that honesty is the whole point.
Styles & brands we work with
Common HeatShield Chimney Cleaning Problems We Solve in Fontana
Here’s what we actually find when we open up HeatShield systems across Fontana. Each one ties back to how this city’s housing and weather work together.
- ReliaGARD seam separation. Older Fontana tract homes with original 1960s – 80s clay tile flues and HeatShield liners often develop separation at the liner seams. Thermal cycling from intermittent winter fires combined with fine desert dust working its way in creates hidden creosote buildup behind the liner. You won’t see it from the firebox. We find it with a camera inspection.
- ArmorGuard cap corrosion and seal failure. Santa Ana wind-driven debris hammers caps in Fontana. After enough seasons, the seal degrades, water gets in, and the damper assembly below starts rusting. In the 92335 and 92337 ZIP codes especially, we replace caps far more often than in neighboring cities with newer stock.
- Glazed creosote that looks like soot. Fontana’s mild winters mean fires burn intermittently, not daily. That produces soft, glazed creosote, not the flaky stuff you get from constant burning. A technician who doesn’t know the difference will treat it as routine soot and leave a fire hazard behind. We recognize it and remove it properly.
- Refractory mortar cracking in original prefab fireboxes. HeatShield refractory mortar in Fontana’s original prefab units often cracks and spalls due to inadequate clearances and infrequent use. The gaps let creosote seep behind the firebox walls where it can’t be reached with a standard sweep.
- Debris-clogged flues from uncapped chimneys. Between the desert dust and Santa Ana winds, uncapped flues in Fontana fill with debris faster than you’d expect. A blocked flue doesn’t just draft poorly. It pushes combustion gases back into the house.
HeatShield Service in Fontana: What Local Conditions Mean for Your Equipment
South Fontana’s 92335 and 92337 ZIP codes are where we see the fastest cap and damper failures in the entire service area. The combination is specific to this city: desert-dust intrusion plus Santa Ana wind-driven debris hitting older single-story tract homes built for the Kaiser steel-mill workforce. These fireplaces were decorative from day one, used a handful of cold nights per year. That means rusted-out damper assemblies and debris-clogged flues sit unnoticed for years because nobody’s looking. By the time a homeowner calls us, the HeatShield cap has often lost its seal entirely and water has been working on the damper below it. A quick visual from the ground won’t catch this. Our camera inspection does. For anyone in the 92335 area near Fontana’s south side, we recommend pulling the cap and inspecting the damper assembly at least once every couple of years, even if the fireplace rarely gets used.
HeatShield Models & Products We Service in Fontana
We service the HeatShield product lines that actually show up in Fontana’s housing stock: ReliaGARD stainless-steel liner systems, ArmorGuard caps, HeatShield Refractory Mortar, and HeatShield Crown Coat. The ReliaGARD liner is the one we see most in older tract homes that had some form of relining done in the 1980s or 1990s. ArmorGuard caps are common across the board. We keep a working stock of aftermarket components that match OEM specs for the common Fontana configuration, which means most liner reseals, cap replacements, and firebox mortar repairs don’t wait on a slow parts shipment. If a liner is still structurally sound, we repair and reseal it. We don’t push replacement when the existing HeatShield system has life left in it.
See the difference
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AfterHeatShield Service Pricing in Fontana
HeatShield chimney cleaning in Fontana typically runs $189 – $310 depending on flue height, access difficulty, and whether glazed creosote removal is required. Cap replacement on a HeatShield ArmorGuard unit generally adds $215 – $410 including parts and installation. Firebox repair with HeatShield refractory mortar falls in the $380 – $650 range depending on the extent of spalling and the number of joints that need repointing. A full HeatShield liner inspection runs $145 – $260 when not bundled with a sweep. What drives the cost here: Fontana’s older single-story homes often have tricky roof pitches around composition tile, and glazed creosote takes more time than routine soot. Your free estimate includes a camera inspection and a photo report so you can see exactly what we found. Call (833) 467-7685 for an exact quote.
Serving Fontana, CA — Our Local Coverage Area
We’re based in the Fontana area and know this community well, and we also offer Glen Avon HeatShield service. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – HeatShield Chimney Cleaning in Fontana
It wears out the seal much faster than in coastal or mountain cities. Fine desert dust works into the cap’s seal points, and when Santa Ana winds kick up, the dust acts like an abrasive. Over time, the seal degrades and water gets through, corroding the damper assembly below. We see this most sharply in the 92335 and 92337 ZIP codes. An annual cap inspection is cheap insurance here. Call (833) 467-7685 and we’ll take a look.
It depends on what our camera shows. We repair and reseal HeatShield liners whenever the stainless steel is still structurally sound. If seams have separated but the metal isn’t compromised, we can often reseal those joints and remove the creosote behind them without a full replacement. If the liner has corroded through, replacement is the only safe option. We’ll show you the footage either way. Call (833) 467-7685 to schedule an inspection.
Because fires here are burned intermittently, not daily. Fontana’s mild winters mean a fireplace gets lit a few times during cold snaps, then sits. Those short, lower-temperature fires produce the soft, glazed form of creosote, which is harder to remove and more flammable than the flaky kind. A technician who treats it like routine soot leaves a real hazard behind. We recognize the difference and remove it properly.
Refractory mortar cracking and spalling in original prefab fireboxes. These units were installed with inadequate clearances and used only a few nights per year for decades. The HeatShield refractory mortar dries, cracks, and falls out, leaving hidden gaps where creosote can seep behind the firebox walls. We repair these with fresh HeatShield refractory mortar and reseal the firebox. A standard sweep won’t catch it. A camera inspection will.
Yes. HeatShield Crown Coat is our go-to for crown waterproofing on Fontana’s older masonry chimneys. The dry heat and Santa Ana winds crack crowns over time, and Crown Coat seals them properly. It’s a product we trust because it’s specified by certified chimney professionals, not found in big-box retail. If your crown has hairline cracks, sealing it now saves you from spalling brick and water damage later. Call (833) 467-7685 for a free estimate.
Service Areas Near Fontana
We cover Fontana and the surrounding Inland Empire cities. That includes Ontario, Rancho Cucamonga, Upland, Montclair, Chino, and Claremont. If you’re in one of those cities and need HeatShield work, the same crew that handles Fontana handles you too. For homeowners further west, we also provide dedicated HeatShield service in Walnut and HeatShield service in Sunnyslope. Our full coverage is listed on the Fontana service area page.
Book Your HeatShield Service in Fontana Today
If your HeatShield liner or cap hasn’t been inspected in a few years, don’t wait for a draft problem to tell you something’s wrong. Call (833) 467-7685 and we’ll get you on the schedule for Fontana or our Pedley HeatShield service. Estimates are free, and we’ll show you the evidence before any work begins.
Written by Al Vickers, Owner at Ontario Chimney, serving Fontana and the Inland Empire. A clean flue isn’t a luxury – it’s just how the thing is supposed to work.