Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
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.
Fast, Reliable Gas Fireplace Repair Across Lennox
Gas fireplace repair in Lennox usually runs $160 – $420 for most common fixes, and we can typically get a technician to your neighborhood within one to two business days. The coastal air here does specific things to gas fireplaces: it rusts dampers, eats at chimney caps, and slowly breaks down original terra-cotta flue liners in homes built between the 1940s and 1960s. We know those failure patterns cold because we see them every week in Lennox Park, along Hawthorne Boulevard, and in the apartment blocks near Lennox Middle School. If your gas fireplace is acting up, call (424) 358-3187 and Cory Mitchell or one of our techs will walk you through what’s likely happening before we ever schedule a visit.
Key Takeaways:
- Typical cost: Gas fireplace damper replacement runs $160 – $280 in Lennox; chimney cap replacement $120 – $260; crown waterproofing $350 – $700 depending on access and crown size.
- Why Lennox is different: Marine-layer moisture and 1940s – 1960s housing create a specific coastal-aging failure pattern most generic repair guides miss.
- Every repair is photographed. You see what we see, with live arrival tracking and a written price before any work starts.
- Written guarantee on every repair, backed by a 365-Day Done Right Promise and a free second visit if anything fails.
Why Hadley Chimney Torrance Is Lennox’s Preferred Gas Fireplace Repair Company
We’ve been repairing gas fireplaces since 2003, and the calls we get from Lennox have a rhythm to them. A homeowner in a 1950s ranch near Lennox Park notices a faint gas odor when the fireplace runs. A landlord on Inglewood Avenue needs a chimney cap replaced before a tenant moves in. A family off Hawthorne Boulevard wants a Level 2 inspection because their gas fireplace has drafted poorly for years and nobody could tell them why. The answer, more often than not, is marine-layer corrosion plus an original flue liner that was never designed to last seventy years.
Hadley Chimney Sweep operates under The Relay Visibility Guarantee, which means you get live arrival tracking, before-and-after photo documentation, and a written price before work begins. Every visit. Not just the big jobs. Our technicians are background-checked, uniformed, and show up in a tracked window, not a four-hour guess. Calls are answered by a live person 24/7, so you won’t sit through a voicemail loop when your gas fireplace won’t light on the one cold evening you actually want to use it.
Styles & brands we work with
Our Gas Fireplace Repair Services in Lennox
Gas Fireplace Damper and Chimney Cap Replacement
In Lennox, dampers and chimney caps fail faster than they do inland. The marine layer pushes moist, salty air into flues year-round, even in summer. Steel dampers rust at the hinge points, stick open or shut, and corrode until they no longer seal. Chimney caps fare worse: salt air eats through thin sheet metal in five to seven years. When a cap fails, rain gets in, birds get in, and your gas fireplace’s venting path gets compromised. We stock Famco and Copperfield replacement parts on our trucks, which means most damper and cap replacements in Lennox happen in a single visit.
Waterproofing and Repair of Chimney Crowns
The chimney crown, the concrete shelf at the top of the chimney that sheds water away from the flue, is the single most common repair we do in Lennox. Original crowns on 1940s – 1960s masonry chimneys were poured thin and never sealed. Decades of marine moisture and occasional heat cycling crack them. Water then seeps into the brick below, accelerating spalling and sending moisture down toward your gas fireplace. We repair crowns with a waterproof sealant and rebuild badly deteriorated sections before they let water reach the firebox.
Level 2 Flue Inspection with Camera
A Level 2 inspection is the only way to see what’s actually inside the flue liner of a Lennox gas fireplace. We run a camera up the flue and you watch the feed with us. If the terra-cotta liner has spalled, cracked, or separated at the mortar joints, it shows up on camera. That’s important because a cracked liner on a gas fireplace is not cosmetic. It’s a carbon monoxide pathway. We do Level 2 inspections in Lennox regularly, often after a homeowner smells something odd, hears debris falling, or buys a home built before 1970 and wants to know what they’re working with.
Gas Fireplace Diagnostics and Component Repair
Gas fireplaces are simpler than people think: a gas valve, a thermocouple or thermopile, a pilot assembly, a burner, and a venting path. When one component fails, the rest usually follows within a season. We diagnose the full system, test the gas pressure, verify the venting path, and replace what’s actually broken, not what’s easy to sell. For Lennox apartments and rental units, we provide photo documentation and digital invoicing so property owners can see exactly what was repaired and why.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Lennox
We repair and install gas fireplace components from the brands chimney professionals actually rely on: Famco caps and dampers, Copperfield chimney accessories, and DuraFlex flexible liner systems. When we replace a chimney cap on a Lennox home, we’re not installing the cheapest generic part on the truck. We install a cap built for coastal exposure and rated to handle the salt air that kills cheap caps in a few seasons. If your gas fireplace has a HeatShield repair or a specific brand component, we can source it and have it ready before your appointment.
See the difference
Before
After
Before
After
Before
AfterCommon Gas Fireplace Repair Problems We See in Lennox Homes
- Rusted dampers from marine-layer moisture. Even gas fireplaces that only get used on a handful of nights each winter develop rusted, stuck dampers in Lennox. The damper sits in a moist flue all year. When it won’t open, the gas fireplace can’t draft properly, and combustion byproducts don’t vent.
- Crumbling chimney crowns causing water damage. The original concrete crowns on Lennox ranch homes are sixty-plus years old and were never waterproofed. Water works into the masonry, freezes occasionally, and cracks the crown. That water eventually shows up as staining near the firebox or a musty smell in the flue.
- Missing or damaged spark arrestors. Coastal salt air corrodes spark arrestor mesh quickly, and many Lennox chimneys lost theirs years ago. Without a spark arrestor, birds nest in the flue, and a gas fireplace that vents into a blocked flue pushes carbon monoxide back into the living space.
- Cracked terra-cotta flue liners in aging fireplaces. The original clay liners in 1940s – 1960s Lennox chimneys crack under decades of heat, moisture, and settling. A gas fireplace pushing exhaust through a cracked liner is the most serious safety issue we flag in Lennox, and it can only be confirmed with a Level 2 camera inspection.
Pricing for Gas Fireplace Repair in Lennox, CA
Here’s what Lennox homeowners can expect to pay for common gas fireplace repairs. Damper replacement runs $160 – $280 depending on the damper size and whether the old one is seized in place. Chimney cap replacement runs $120 – $260 for standard steel or copper-finished caps. Crown waterproofing and minor crown repair runs $350 – $700, with higher-end jobs involving substantial crown rebuilds. Level 2 camera inspection runs $195 – $375. Full flue liner replacement on a two-story Lennox home typically runs $2,800 – $4,500, though we only recommend that when the camera footage proves the liner is compromised. Every quote is written and in your hands before any work starts. Call (424) 358-3187 and we’ll give you a straight answer on cost.
| Repair Type | Typical Lennox Range |
|---|---|
| Damper replacement | $160 – $280 |
| Chimney cap replacement | $120 – $260 |
| Crown waterproofing and repair | $350 – $700 |
| Level 2 camera inspection | $195 – $375 |
| Flue liner replacement | $2,800 – $4,500 |
Note: Ranges above reflect typical Lennox-area jobs for single-family and low-rise apartment gas fireplaces. Your written quote will specify exact scope and price before any work begins.
We Also Serve Cities Near Lennox
Hadley Chimney Sweep serves Lennox and the surrounding communities, including Gas Fireplace Repair in Lennox neighborhoods from Hawthorne Boulevard east to the 405. Our Gas Fireplace Repair team also covers Torrance, Westchester, Redondo Beach, and Carson on a regular schedule, so we can often pair a Lennox call with an existing route and get to you faster.
Serving Lennox, CA - Our Local Coverage Area
We’re based in the Lennox area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – Gas Fireplace Repair in Lennox
Lennox’s marine-layer air deposits a fine salt-mist film on metal components every night, and that salt accelerates rusting far beyond what you’d see ten miles inland. Dampers rust at the hinges and seize, while chimney caps corrode through in five to seven years. The result is a damper that won’t open fully and a cap that lets rain and birds into the flue. If your damper won’t budge or your cap has visible rust-through holes, call (424) 358-3187 for a written replacement quote.
Yes, and especially in Lennox. Infrequent use plus marine-layer moisture creates the worst combination for gas fireplaces: dampers rust in place from disuse, birds nest in unused flues, and CO pathways go undetected because the unit rarely runs. An annual Level 1 inspection catches these problems while they’re cheap and quick to fix. Call (424) 358-3187 to schedule one for your Lennox unit, apartment or single-family.
Yes. A cracked terra-cotta flue liner in a Lennox-era chimney lets carbon monoxide from your gas fireplace seep through the masonry into wall cavities and living spaces instead of venting up and out. The cracks are invisible from outside and can only be confirmed with a Level 2 camera inspection. If you live in a 1940s – 1960s home in or around Lennox Park and haven’t had the liner checked, it’s the single most important gas fireplace safety step you can take. We’ll show you the camera footage and explain exactly what we’re seeing. Call (424) 358-3187 to book an inspection.
Coastal salt air in Lennox corrodes spark arrestor mesh until it rusts through or falls apart, and because spark arrestors sit at the chimney top where nobody looks, most homeowners never notice. A missing spark arrestor lets birds, debris, and rain into the flue. For a gas fireplace, that means blocked venting, which pushes exhaust back into the home. We stock Copperfield and Famco replacement arrestors and can install one during a regular Lennox service call. Call (424) 358-3187 for a same-week appointment.
A Level 1 inspection is a visual check of the accessible parts: the firebox, damper, flue entrance, and chimney top. A Level 2 inspection adds a camera run through the full flue, which is the only way to see spalling terra-cotta, cracked mortar joints, or liner separation in a Lennox chimney. We recommend a Level 2 any time a home changes ownership, after any event like an earthquake or chimney fire, or when a gas fireplace has an unexplained odor or draft problem. The camera fee is modest, and the footage is yours to keep. Call (424) 358-3187 to schedule either level of inspection in Lennox.
Written by Cory Mitchell, Owner at Hadley Chimney Torrance, serving Lennox since 2003.