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 Running Springs, CA | San Bernardino Chimney Sweep
We provide independent HeatShield chimney cleaning and repair across Running Springs, and the one thing that sets our work apart here is this: at 6,000 feet, your HeatShield liner faces freeze-thaw stress and heavy creosote loading that flues in the valley simply don’t see. Most Running Springs homes burn wood from late September through May, which means glaze-stage creosote bonding to HeatShield mortar is a regular finding on our jobs. Call (877) 516-7159 for a free estimate. We know HeatShield systems, we know this mountain, and we’ll tell you straight whether a cleaning is all you need or if the liner has deeper damage.

Why Running Springs Residents Choose Us for HeatShield Service
Allen Prescott grew up near the Kendall Drive corridor in San Bernardino and has spent the better part of three decades working on chimneys and fireplaces across the Inland Empire, including the cabins and chalets up here in Running Springs. He picked up HVAC and building systems fundamentals at San Bernardino Valley College before narrowing his focus to chimney maintenance and venting safety. That’s the background behind the way we approach HeatShield work: hands-on, specific, and honest about what actually needs doing versus what can wait.
We’re an independent shop, not a manufacturer-authorized dealer, and we think that matters in a mountain community like Running Springs. Nobody’s paying us to push a particular product. If your HeatShield liner has surface cracking from freeze-thaw, we’ll tell you. If a repair with HeatShield sales & service parts is the right call, we’ll do it with the correct proprietary mortars. And if the liner is beyond patching and a full reline is genuinely needed, we’ll show you the camera footage so you’re not taking our word on faith. Our crew has seen how HeatShield’s refractory mortar holds up and breaks down in exactly this climate, and we bring that field knowledge to every cleaning and inspection. Serving Running Springs service area homes means knowing what a 1960s A-frame with a masonry fireplace needs versus a mid-century prefab metal chimney that’s well past its rated life.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in Running Springs
- Cracked or spalling HeatShield liner surfaces. Repeated freeze-thaw cycles at 6,000 feet work on liner surfaces the same way they work on roads. Water gets into micro-cracks, freezes, expands, and widens them. Running Springs sees this constantly. We identify cracked sections during cleaning and determine whether a resurfacing patch will hold or the flue needs more substantial work.
- Glazed third-degree creosote bonded to HeatShield mortar. When a Running Springs cabin burns heavy pine through a cold snap, the creosote that forms isn’t the flaky stuff you brush away. It’s a hard, shiny glaze that bonds tenaciously to the liner surface. Standard sweeping won’t remove it, and grinding it off wrong damages the refractory mortar. We use methods designed to break the bond without compromising the HeatShield surface.
- Liner separation or delamination from the flue wall. HeatShield applied over a dirty or damaged substrate doesn’t adhere properly. In older Running Springs cabins where relining was done years ago, we regularly find sections where the liner has separated from the masonry behind it. Level 2 camera inspection catches this before it becomes a chimney fire risk.
- Moisture intrusion through cracked crowns softening HeatShield mortar. A cracked crown lets snow melt seep down the flue, and in Running Springs the freeze-thaw cycles mean those cracks open up year after year. Moisture plus HeatShield mortar equals erosion, especially in vacation cabins where nobody notices for months. We see this pattern on many of the second homes up here.
- Critter nests blocking the flue above a HeatShield liner. Cabins that sit empty from spring through fall become ideal nesting sites for squirrels and birds. When the nest sits directly above a HeatShield liner, the blockage forces smoke and exhaust back down into the cabin. We remove the nest and fit caps that keep animals out permanently.
HeatShield Service in Running Springs: What Local Conditions Mean for Your Equipment
Because Running Springs sits at 6,000 feet and many cabins sit vacant for weeks or months at a stretch, HeatShield liners often develop hairline cracks from freeze-thaw that a routine sweep would never reveal. This is the specific reality of chimney work up here that you won’t find duplicated in valley communities, though we also offer HeatShield service in Lake Arrowhead and nearby mountain towns. A homeowner fires up the wood stove in late October, gets a sweep to clean out the soot, and goes through the season assuming everything’s sound. But the cracks are there, invisible to the eye, widening a little more with each overnight freeze. The only way to see them is with a Level 2 camera inspection. We run the camera, show you the footage, and explain what we’re seeing in plain terms. Last fall, a homeowner on Narcissus Lane in Running Springs called us after a squirrel nest blocked the flue of their 1960s A-frame cabin. Our tech performed a Level 2 inspection and found the HeatShield liner had cracked along a seam from winter freeze-thaw, with glazed creosote baked onto the mortar. We removed the nest and creosote carefully, then repaired the liner with HeatShield resurfacing mortar and installed a new multi-flue cap to keep critters out, restoring safe burning before the first snow. That’s the kind of thing a standard sweep misses entirely.
HeatShield Models & Products We Service in Running Springs
We work on the full HeatShield product lineup: the cast-in-place Ceramic Flue Liner, Resurfacing Mortar for masonry flues, Insulation Mix, and Crown Repair Kits. When a repair calls for HeatShield’s proprietary materials, we use them, because mixing aftermarket refractory compounds into a HeatShield system introduces compatibility risks. For caps, dampers, and flashing, though, we’re practical: we source quality aftermarket parts when they meet or exceed OEM durability for mountain conditions. That means faster turnaround for Running Springs homeowners who don’t want to wait on manufacturer lead times when snow’s on the way. We stock the commonly needed HeatShield repair materials locally so we can move from diagnosis to repair quickly.
See the difference
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AfterHeatShield Service Pricing in Running Springs
There’s no flat rate we can quote without seeing the flue, and any company that gives you a firm price over the phone for HeatShield work is guessing. What drives cost here is what the inspection turns up. A straightforward cleaning with creosote removal on a HeatShield liner runs lower than a cleaning plus crown repair, and resurfacing a cracked liner section costs less than a full cast-in-place reline. Here’s how the pieces typically break down:
- HeatShield chimney cleaning with creosote removal: $180 to $340, depending on flue height and creosote severity.
- Level 2 camera inspection (included with repair estimates, stand-alone when requested): $150 to $350.
- Crown repair with HeatShield crown repair materials: $350 to $900.
- HeatShield resurfacing patch (localized, not full reline): $950 to $2,000.
- Full HeatShield ceramic liner reline (cast-in-place): $3,000 to $7,000, scaled to flue size and access.
Every estimate is free, and before we quote any repair number we run the camera and show you exactly what we found. Call (877) 516-7159 to book an inspection in Running Springs.

Serving Running Springs, CA — Our Local Coverage Area
We’re based in the Running Springs area and know this community well, and we also provide HeatShield repair in Crestline. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – HeatShield Chimney Cleaning in Running Springs
A HeatShield liner in a Running Springs cabin should be inspected annually, and Level 2 camera inspection is worth doing every other year at minimum. The mountain’s freeze-thaw cycles stress refractory liners more aggressively than valley climates, and a cabin that sits empty part of the year hides moisture issues until they’re well along. If your cabin gets heavy shoulder-season burning, inspect each fall before you light the first fire. Call (877) 516-7159 to schedule a Running Springs inspection.
Yes, but it takes the right approach. Third-degree glazed creosote bonds hard to HeatShield mortar, and scraping it off with aggressive tools gouges the refractory surface. We use methods that break the creosote bond without digging into the liner, then confirm with a camera that the HeatShield surface is intact. If you’ve burned a lot of pine through cold Running Springs winters, this is a common service for us. Call (877) 516-7159 for an assessment.
We remove loose and crumbling crown material, clean the surface thoroughly, and rebuild the crown using HeatShield crown repair products, then seal the joint where crown meets flue. Running Springs gets freeze-thaw cycles from October through April, so we also make sure the crown has proper slope to shed water and snowmelt away from the flue. A crown repair stops the moisture that eventually softens HeatShield mortar inside the flue. Call (877) 516-7159 to schedule crown work in Running Springs.
HeatShield is designed for masonry flues, not as a relining solution for prefab metal chimneys. If your Running Springs cabin has an older prefab chimney that’s past its rated life, the right fix is typically a new metal liner system, and we’ll walk you through which options suit your specific stove and cabin setup. We’ll never force a HeatShield application where it isn’t the correct product. Call (877) 516-7159 and we’ll inspect what you’ve got.
We do, and that’s a big part of our work in Running Springs. Cabins left vacant for months develop critter nests, moisture intrusion, and freeze-thaw cracking that full-time residences see less of. We recommend an inspection before the first fall fire, especially if the cabin has been closed up since spring. Call (877) 516-7159 and we’ll check the flue, the liner, and the crown before burning season starts, or reach out for our Mentone HeatShield service.
Service Areas Near Running Springs
Beyond Running Springs, we regularly serve the surrounding mountain and foothill communities of the San Bernardino area, including Rubidoux, San Bernardino, Colton, Muscoy, Loma Linda, and Rialto. If you’re in one of those areas and need HeatShield expertise, see HeatShield service in Glen Avon or HeatShield service in Pedley for detail on nearby coverage.
Book Your HeatShield Service in Running Springs Today
A clean flue isn’t a luxury – it’s just how you keep the fire where it belongs. Call (877) 516-7159 to book your Running Springs HeatShield inspection and cleaning, and we’ll get you on the schedule before the cold settles in for the season. We also offer HeatShield service in Highland. Estimates are free, and we’ll show you what we find.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep, serving Running Springs and the San Bernardino Mountains.