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.
DuraFlex Chimney Cleaning in Lennox, CA | Brownstone Chimney Sweep
We provide independent DuraFlex chimney cleaning, inspection, and repair across Lennox, CA, and nearby communities like DuraFlex repair in Del Aire. Most of our Lennox calls start differently than in neighboring cities: a county code or Section 8 rental inspection flags a flue that hasn’t been opened in decades, and we get called to document what’s inside before the property changes hands. That means our DuraFlex work here leans heavily on camera-backed Level 2 inspections, creosote removal, and honest liner assessments. Call (866) 253-8489 for a free estimate from a Lennox technician who knows DuraFlex systems inside and out.
Why Lennox Residents Choose Us for DuraFlex Service
DuraFlex stainless flex liners, cap assemblies, and reline components are solid systems when they’re installed right and maintained. The problem in Lennox—and in similar South Bay neighborhoods like Hawthorne DuraFlex service areas—is that most were retrofitted into 1940s-1960s bungalows and duplexes along Century Blvd and Lennox Blvd that were never designed for regular fireplace use. A liner that sits idle for years in damp marine-layer air develops problems a working flue wouldn’t. We know what those problems look like because we’ve pulled apart enough of them here to recognize the pattern before we even set up the camera.
Ruben Archuleta, our owner and lead sweep, grew up off Cesar Chavez Avenue in East LA and has spent years working on the exact housing stock Lennox is full of: single-wythe brick chimneys, painted-over fireplace openings, and rental units where nobody’s touched the flue since the Nixon administration. He trains our techs to approach every Lennox DuraFlex job as a documentation job first: get the camera in, show the homeowner or landlord what’s actually there, and then talk through what the flue needs. We’re an independent DuraFlex service provider, which means we have no reason to sell you a liner you don’t need or pass one that’s failing just to close an inspection. The flue tells the truth; we just translate it.
Styles & brands we work with





Common DuraFlex Chimney Cleaning Problems We Solve in Lennox
- Surface rust and pitting at the appliance connector joint. Lennox sits in the South Bay coastal plain, so marine-layer moisture rolls in most mornings. When a DuraFlex liner sits unused in a tenant-vacant Century Blvd rental for years, that damp air settles at the connector joint and starts eating at the stainless. We see this constantly: a liner that’s structurally fine everywhere except the one spot where it meets the appliance. That joint fails first, and it’s the cheapest fix when caught early.
- Corroded cap and top-plate fasteners letting debris pack the flue. DuraFlex Pro Series caps are well-made, but the fasteners at the top plate take the brunt of coastal air and Santa Ana wind. When they loosen or rust through, birds get in, leaf debris accumulates, and by October you’ve got a creosote-and-tinder column sitting above a flue that hasn’t seen a match in years. Fall Santa Ana episodes are when idle Lennox chimneys become an actual fire risk, not an abstract one.
- Glazed creosote from uninsulated or undersized liners in original unlined brick chimneys. A lot of DuraFlex retrofits in Lennox went into 1950s single-wythe brick fireplaces that run cold. Without proper insulation, the liner never gets hot enough to burn off creosote vapor, so it condenses and glazes along the interior wall. That glaze is a fuel load. A routine sweep won’t always get it; sometimes it needs rotary removal and a hard conversation about whether the liner size is even right for the flue.
- Loose or crushed tee and offset connections from prior DIY installs. Rental properties in Lennox have a habit of passing through a lot of hands. We regularly find DuraFlex relines where a previous owner or handyman installed the offset connection with the wrong fasteners, or crushed the tee trying to force it through a tight smoke shelf. The result is smoke spillage the tenant notices, and hidden gaps the camera finds. No visual-only sweep catches these.
- Missing dampers and painted-over fireplace openings. The distinctive Lennox job: a decorative cover over a fireplace nobody’s opened in thirty years, no damper behind it, and a bird nest packed onto the smoke shelf. We break out the cover, clear the debris, sweep what’s there, and then document what’s missing so the owner has a complete picture before any inspector does.
DuraFlex Service in Lennox: What Local Conditions Mean for Your Equipment
Lennox is an unincorporated pocket of LA County, which changes the whole rhythm of chimney work here compared to cities like DuraFlex in Inglewood. Most homes are mid-century stucco bungalows and small duplexes on tight lots, and a significant share are rentals or multi-unit conversions where maintenance happens only when something forces it. That something is usually a county code inspection, a Section 8 compliance review, or a property sale. So our DuraFlex calls in Lennox often start with a Level 2 camera inspection to document a decades-idle flue, not a cheerful “annual sweep” call from a homeowner who uses the fireplace every winter.
What does that mean for DuraFlex owners specifically? It means the liner you’ve got may have failed quietly, long ago, and nobody knew because nobody looked. The damp marine layer accelerates rust at joints and fasteners in ways that don’t show up during a quick visual check. The original unlined brick behind many of those liners was never meant to carry the heat load, so if the liner is undersized or uninsulated, you’re running an invisible creosote factory. We find these issues before the county inspector does, and we hand you the photos and the repair quote in the same visit. That’s the difference between clearing an inspection and getting a re-flag with a deadline.
DuraFlex Models & Products We Service in Lennox
We work on the full DuraFlex range you’re likely to find in Lennox homes: Stainless Flex Liner Kits in 6-inch and 8-inch round for masonry relines, Insulated Chimney Liner Systems where the flue needs help running hot enough to prevent glazing, Pro Series Chimney Caps and Multi-Flue Caps for termination, and Reline Components like top plates, tees, and appliance connectors. The honest parts policy: we fit genuine DuraFlex components wherever the flue and appliance call for them, and we use quality aftermarket caps or hardware only when a specific OEM piece is backordered or discontinued. We’ll tell you which is which and why it matters for the quote. Stock levels for common DuraFlex fittings are usually good enough that a Lennox repair doesn’t need to wait two weeks for parts.
See the difference
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AfterDuraFlex Service Pricing in Lennox
The cost of DuraFlex cleaning or repair in Lennox depends on what the camera finds. A standard Level 1 sweep and visual check on an accessible flue runs lower than a Level 2 camera inspection with documentation, and a liner replacement with a new DuraFlex stainless system is a different job entirely from replacing a corroded cap. Our free estimate includes the inspection needed to give you a real number, not a guess over the phone. Here’s how typical Lennox pricing breaks down:
- Chimney sweep + Level 1 inspection: $180 to $320, depending on flue condition and access
- Level 2 camera inspection (with written documentation): $250 to $450, often required for rental or sale inspections
- DuraFlex cap or top-plate replacement: $200 to $600, depending on the model and flue configuration
- DuraFlex stainless liner replacement (parts + labor): $2,500 to $6,000, sized to the appliance and flue
These are honest ranges for this market. Call (866) 253-8489 for an exact quote. Estimates are free, and we’ll show you the camera footage before we recommend anything.
Serving Lennox, CA — Our Local Coverage Area
We’re based in the Lennox area and know this community well, from here down to DuraFlex repair in El Segundo. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DuraFlex Chimney Cleaning in Lennox
Yes, and it’s one of the most common calls we get in Lennox. We remove the decorative cover, clear whatever’s behind it, sweep the flue if it’s safe to do so, and run a Level 2 camera inspection to document the condition. I’ll tell you what I found and what it means. You decide what happens next. If the flue is too far gone or missing a liner, we’ll give you a photos-and-quote package you can hand to the inspector or use during a sale. Call (866) 253-8489 to schedule.
Yes, if it’s the right size for the flue and properly insulated. The marine layer is hard on fasteners, cap assemblies, and connector joints, not on the liner body itself. A properly sized, properly insulated DuraFlex stainless liner will last decades in this climate. The failures we see in Lennox are almost always at joints and terminations, or from undersized retrofits that were never running hot enough in the first place. We’ll check all of it during a sweep or Level 2 inspection.
No. We’re an independent DuraFlex service provider. That means we’re not sponsored, endorsed, or authorized by DuraFlex, and we don’t process their warranty claims. What we are is a chimney company that works with DuraFlex systems regularly and knows how they fail in coastal rental housing like Lennox. Our loyalty is to the flue in front of us, not to a manufacturer’s sales sheet.
Book a Level 2 camera inspection. That’s the documentation the inspector wants to see: clear images showing the flue condition, any missing liner or damper, and any debris or creosote load. We’ll sweep what needs sweeping and give you a written report plus a repair quote if the flue needs work. Most Lennox inspection flags can be cleared with a sweep and a documentation package, but if the chimney needs a liner replacement, you’ll want that quote in hand before the deadline. Call (866) 253-8489 and tell us the inspection date; we’ll work backwards from there.
Because Santa Ana winds show up in the fall, and they’re dry and hot. A chimney that’s been accumulating creosote glaze through damp, idle months is basically a fuel load waiting for a spark. In Lennox, the combination of marine-layer moisture promoting glaze formation and October Santa Ana episodes drying everything out is what turns a dirty flue into a chimney fire. The fix is simple: get the flue swept and inspected before the dry season starts. If glaze has already formed, we’ll use rotary removal tools to break it down. Call (866) 253-8489 to schedule a pre-Santa Ana sweep.
Service Areas Near Lennox
We cover Lennox and the surrounding South Bay and Gateway Cities area. That includes Downey, Bell Gardens, Cudahy, Paramount, and Santa Fe Springs. If you’re in Lennox and need DuraFlex service, we’re local to you. For DuraFlex work in the surrounding LA area, see our DuraFlex service in Koreatown and DuraFlex service in San Marino pages. You can also review our full Lennox service area coverage and our DuraFlex sales & service overview.
Book Your DuraFlex Service in Lennox Today
If a county inspection’s breathing down your neck or you just want to know what’s actually inside that Lennox flue, call (866) 253-8489. We’ll schedule a sweep and Level 2 inspection, show you the camera footage, and hand you a straight answer. Free estimates, no scare tactics.
Written by Ruben Archuleta, Owner at Brownstone Chimney Sweep, serving Lennox and the South Bay.