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.
Fast, Reliable Dryer Vent Cleaning Across West Covina
Dryer vent cleaning in West Covina typically costs between $129 and $260, and most jobs take under two hours from setup to final camera check. We work the tract-home streets of 91790, 91791, 91792, and 91793 every week, and we know these houses well enough to anticipate what we’ll find before we even pull the dryer out. If your dryer takes two cycles to dry a load, the vent is the likely culprit. Call us at (855) 341-3461 for a free estimate, and we’ll get it cleared before it turns into something worse.
Why Walnut Chimney Is West Covina’s Preferred Dryer Vent Cleaning Company
Most dryer vent companies in West Covina are exactly that: dryer vent companies. They clean the duct and leave. We’re not built that way. Walnut Chimney was founded around a different idea, which is that the chimney and the dryer vent often live in the same chase, share the same failure points, and need to be looked at as one system, not two unrelated jobs. West Covina’s housing stock makes this more true than almost anywhere else in the San Gabriel Valley.
Russ Dempsey runs our crews, and he’s the one who set the rule that we never recommend a repair until we’ve put a camera down the vent and can show you exactly what we’re seeing. That’s not a sales tactic. It’s the only honest way to work in a city where the average home was built in 1965 and the average dryer vent was never meant to do what it’s doing. Our Dryer Vent Cleaning team has spent enough hours crawling behind West Covina washers to know that the real hazard is rarely the lint you can see. It’s the crushed transition duct, the disconnected pipe inside the wall, or the vent that was illegally routed into a chimney flue four decades ago.
We also show up with the right materials on the truck. DuraFlex rigid duct sections, Copperfield caps and wall terminations, Galco screens. Not whatever was left over from the last job. When we find a problem in a West Covina home, we can usually fix it on the spot with a part that’s correct for the specific vent configuration, not a generic adapter from a home center.
Styles & brands we work with
Our Dryer Vent Cleaning Services in West Covina
Dryer Vent Cleaning
This is the core service, and in West Covina it’s rarely a quick poke with a brush. We pull the dryer, disconnect the transition duct, and run a rotary brush with a HEPA-filtered vacuum through the full vent run to the exterior termination. For homes in 91790 and the older sections of 91791, we often find builder-installed foil or plastic flex duct that’s been crushed behind the dryer for years, packing lint into the wall cavity. We’ll clear the entire run and, if the duct itself is beyond saving, tell you plainly and show you why. A standard cleaning on a ground-level vent in West Covina runs $129 to $220.
Level 2 Inspection (Camera-Assisted)
There are times when a brush alone doesn’t answer the question. Maybe the dryer has been overheating, the laundry room smells like burnt dust, or you bought a home where the vent route is anyone’s guess. We use a small-diameter camera that fits the full run of the vent, from behind the dryer all the way to the wall cap. In West Covina specifically, camera work matters because so many dryers in 1950s and 60s ranch houses were vented into abandoned flues or shared chases, and you simply can’t see that with a mirror and a flashlight. A camera-assisted inspection is included with cleaning when the configuration is unconventional, and standalone inspections run $150 to $260 for a full report with still images.
Chimney Cap & Screen Installation
When a dryer vent terminates on a roof or high sidewall in West Covina, it needs the same protection a chimney gets. Open terminations invite birds, and West Covina has no shortage of house sparrows and starlings looking for a dark, warm tunnel. We install Copperfield and Gelco caps and screens sized to the exact vent diameter, and we’ll check the existing cap for rust and weather damage while we’re up there. For homes in the 91792 subdivisions built in the 1970s with pre-fab fireboxes and nearby dryer vents, the cap is often the single most neglected component on the whole roof. Cap and screen installation runs $80 to $190 depending on roof access and the hardware needed.
Dryer Vent Rerouting and Repair
Sometimes the honest answer is that the vent geometry is just wrong. In West Covina’s older tract homes, a vent run that snakes 20 feet through a floor joist cavity with three sharp elbows isn’t cleanable in any meaningful sense. It has to be rerouted. We’ll show you the camera footage, explain the options, and if you approve the work, we install it to current code with rigid metal duct and a calculated, code-compliant clearance path. Reroutes in West Covina typically run $350 to $700 depending on the run length and access, and we always show you the final camera image before we call the job done.
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.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in West Covina
What matters isn’t just the name on the equipment, it’s the material quality and the fit. We stock DuraFlex rigid duct and transitions for most West Covina dryer vent configurations, along with Copperfield and Gelco terminations and screens. If your home has a specific vent assembly that needs a specific part, there’s a good chance we have it on the truck when we arrive, not after a week of waiting for a shipment. For West Covina customers, that means one trip instead of two, and a repair that matches the system rather than a forced-fit generic. We repair what we find, with the right brand for the job.
See the difference
Before
After
Before
After
Before
AfterCommon Dryer Vent Cleaning Problems We See in West Covina Homes
- Lint mistaken for creosote. Homeowners see dark, flaky buildup around the fireplace damper and call a chimney sweep, who cleans the flue and leaves. But in West Covina’s 1960s ranches, what they were looking at was often dryer lint that had blown back into the chimney chase, not combustion byproduct. The chimney gets cleaned. The dryer vent stays packed. The fire risk doesn’t move.
- Crushed or disconnected original flex duct. Homes built in the 1970s, especially in 91792, often still run the original foil or white plastic flex duct behind the dryer. It’s collapsed, kinked, or pulled off entirely, and lint is piling up in the cavity behind the machine. Nothing short of pulling the dryer and putting a camera on it will reveal this.
- Dryer vents sharing the chimney chase. In West Covina’s earliest tract homes, it was common practice to route the dryer vent into the same masonry chase as the fireplace flue, sometimes even into the abandoned flue itself. When the dryer runs, the blower pressurizes that shared space. Smoke, carbon monoxide, and lint-laden air can seep back through cracks in the brick. If the flue is unlined or damaged, it’s worse. This is the configuration we find near the 10/60 interchange more than anywhere else we work.
- Bird and rodent obstructions in the wall cap. The mild winters and mature landscaping across West Covina mean plenty of small animals are looking for shelter. An uncapped dryer vent at a ranch house in 91791 is an open door. Nests in the termination can block the air path almost completely, even if the duct itself is clean.
Pricing for Dryer Vent Cleaning in West Covina, CA
A straightforward dryer vent cleaning in West Covina runs $129 to $220. That covers pulling the dryer, cleaning the full vent run with a rotary brush and HEPA vacuum, a visual inspection of the termination, and confirmation that the system is moving proper airflow. If the run is unusually long, on a second story, or connected to a roof termination with limited access, the price can reach $260. Camera-assisted Level 2 inspections run $150 to $260 when performed as a standalone service, and many West Covina homes with unconventional vent routes do need the camera. Reroutes and rebuilds are priced per project, typically $350 to $700, but we never recommend one without showing you the camera footage that justifies it. Call (855) 341-3461 for a free estimate, and we’ll give you a flat number before we touch anything.
We Also Serve Cities Near West Covina
We work regularly in Valinda, South San Jose Hills, La Puente, and Irwindale, and we’re already in the area most weeks. The same housing styles and vent configurations that cause problems in West Covina turn up across these neighboring communities, and we treat them with the same camera-first approach. If you’re just outside the city line, call us anyway. Chances are we’ll be down the street tomorrow.
Serving West Covina, CA — Our Local Coverage Area
We’re based in the West Covina 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 – Dryer Vent Cleaning in West Covina
No, it’s not safe as a permanent setup. Dryer vents need to exhaust directly to the exterior, not into a chimney flue or chimney chase. The warm, moist, lint-loaded air hits the cooler masonry inside the chimney, lint condenses and packs against the clay tile, and the restriction forces exhaust back into the living space. In West Covina, where many 1950s and 60s tract homes were built with the dryer vent sharing the fireplace chimney structure, this is one of the most common hazards we document. A camera inspection will show you exactly how much lint is sitting in that flue. From there, we can quote a proper reroute. Call (855) 341-3461 and we’ll get you on the schedule.
Every 12 to 18 months for most West Covina homes, and every 12 months if you run the dryer more than three times a week or have a long vent run that pushes 12 feet or more. The San Gabriel Valley’s air is dry, but it carries a lot of fine dust, and much of that ends up in your laundry load and then in the vent. West Covina’s older homes with original flex duct and multiple elbows in the run should be checked annually. If you can’t remember the last time it was cleaned, it’s overdue.
Yes, when the two systems are connected or routed into the same chase. In West Covina ranches built in the 1960s, the dryer vent and the fireplace flue were sometimes installed in the same masonry cavity. A packed dryer vent pressurizes that shared space and can force smoke back into the living room when the fireplace is lit, or draw fireplace exhaust into the laundry room when the dryer runs. The fix depends on the exact configuration, and it starts with a camera inspection of both systems. We do chimney work and dryer vent work under the same crew, so you don’t have to call two companies to figure out which one is causing the problem.
Chimney sweeping removes creosote and soot from the flue that vents your fireplace or wood stove. Dryer vent cleaning removes lint from the small-diameter duct that vents your clothes dryer. Different equipment, different failure modes, different fire hazards. But in West Covina’s older homes, the two are often physically connected in ways they shouldn’t be, and a chimney sweep who doesn’t look at the dryer vent is only inspecting half the system. That’s why Walnut Chimney does both. One visit covers both hazards.
Always. We don’t recommend new ductwork, a reroute, or a cap replacement in a West Covina home unless we can show you the camera image that explains why it’s needed. That’s been the rule since Russ Dempsey started the company, and it’s saved homeowners a lot of unnecessary work. If the vent is clean and sound, we’ll show you that too, and you won’t hear a sales pitch.
Written by Russ Dempsey, Owner at Walnut Chimney, serving West Covina and the surrounding San Gabriel Valley.