Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Fast, Reliable Dryer Vent Cleaning Across Walnut
Dryer vent cleaning in Walnut typically runs $150 – $275 for a standard single-family home, with most jobs completed in 60 – 90 minutes. Our crews serve Walnut directly from our Los Angeles office, and we schedule most appointments within a few business days.
We’ve worked in Walnut long enough to know the difference between a quick trap cleaning and the real work these homes need. The two-story tract houses built from the late 1970s through the 1990s, especially in planned communities like Walnut Valley and Timberline, were designed with dryer vents that snake through long interior wall chases or attic runs before reaching an exterior wall. That geometry traps lint where homeowners can’t see it and hardware-store tools can’t reach it. When your dryer starts taking two cycles or your laundry room feels humid, the problem is usually deeper than the lint screen. Call us at (361) 326-5060 for a free estimate, or read on to understand what we find in Walnut homes and what it costs to fix properly.
Why Hollis Air Duct Cleaning Is Walnut’s Preferred Dryer Vent Cleaning Company
We’ve been part of the Garrison Partners family since 2004, and our Dryer Vent Cleaning in Walnut reputation was built one appointment window at a time. Roy Castellanos runs this operation under The Garrison Standard, which means our technicians arrive inside the quoted window, price the job in writing before touching anything, and leave the site clean. No exceptions.
Walnut homeowners aren’t looking for the cheapest coupon in the mailbox. They’re looking for a crew that shows up uniformed, explains what they found, and puts the guarantee in writing. Our 365-Day Done Right Promise covers every dryer vent job: if the work fails within a year, we return and make it right at no charge, including a free second visit. That promise is printed on every invoice, not buried in fine print.
Our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops, no callback queues, no waiting until Monday to schedule. Dispatch is coordinated from our Los Angeles office, but the technician who arrives at your door knows Walnut’s housing stock and has seen what fails in neighborhoods like Snow Creek and Creekside.
Dryer Vent Cleaning Service in Walnut
Dryer Vent Cleaning Service in Walnut means more than brushing out the lint trap and the first few feet of duct. In this city’s 1980s – 1990s two-story tract homes, the vent run often travels 15 – 25 feet through an interior wall chase or attic space before terminating on an exterior wall. Lint compacts in those concealed sections over years of use, and the original flex duct installed during construction has often sagged, crushed, or disconnected entirely at attic takeoffs.
Our process starts with a camera inspection. We feed a borescope through the full run to locate disconnections, crushed sections, and lint accumulation points that aren’t accessible from either end. Then we perform source removal using rotary brush agitation tools under negative-air pressure, with HEPA filtration to contain debris. This is the same method commercial crews use, executed with equipment from Rotobrush and Nikro, not hardware-store attachments.
A standard cleaning for a single-family home in Walnut runs $150 – $225. If we find disconnected or damaged flex duct that requires reconnection or partial replacement, that typically adds $75 – $150 to the job. Every price is written down before work begins.
Camera Inspection and Source Removal
The camera tells us what we’re dealing with before we commit to a scope of work. In Walnut’s older tract homes, we regularly find lint packed into a sagging low point in the attic run, or a section that has pulled free from the takeoff and is dumping moist air into the wall cavity. Source removal means we extract the material at its location rather than pushing it deeper or masking it with deodorizers.
Exterior Termination Cleaning and Flap Repair
The exterior vent cap is where Walnut’s environmental conditions show up. Santa Ana winds carry fine dust and debris, and the ongoing 57/60 freeway construction in the area produces concrete and asphalt particulate that settles into termination flaps. We clean the cap, verify the backdraft damper operates freely, and replace damaged caps when needed.
Dryer Vent Installation in Walnut
Dryer Vent Installation in Walnut addresses the root problem when original 1980s – 1990s flex duct is too degraded to clean safely. Heat-damaged, crushed, or repeatedly disconnected flex runs in hot attic spaces can’t be restored to reliable condition. In these cases, we reroute or replace the vent with rigid metal duct where code allows, reducing friction loss and eliminating the sag points where lint collects.
A straightforward replacement of a damaged flex run with rigid duct in a Walnut two-story home typically costs $275 – $450, depending on length and access. Rerouting a vent to shorten the run or eliminate problematic horizontal sections runs $350 – $600. Complex jobs involving multiple stories or concealed wall chases may reach $800 – $1,200. Every option is priced in writing before we cut anything open.
Roy Castellanos insists our Dryer Vent Cleaning team explain the trade-offs. Sometimes cleaning and reconnecting a sagging flex section is the economical fix. Sometimes replacement saves money over repeated service calls. We show you the camera footage and let the condition of the duct drive the decision.
Rigid Duct Conversion for Long Runs
Building code prefers rigid metal duct for dryer vents because it resists crushing and provides smooth airflow. In Walnut homes where the original flex run exceeds 25 feet or passes through a hot attic, converting to rigid duct with proper slope and support straps often solves chronic lint buildup permanently.
Vent Rerouting and Termination Relocation
Some Walnut floor plans route the dryer vent through a garage or interior wall in ways that create unnecessary length and bends. We can reroute to a closer exterior wall when structurally feasible, shortening the run and improving dryer efficiency. This requires cutting a new termination point and sealing the old one properly.
Trusted Brands We Service in Walnut
Our equipment roster includes Rotobrush rotary brush systems for agitation cleaning, Nikro negative-air machines for source removal under controlled pressure, and HEPA filtration from Abatement Technologies to contain fine particulate. We stock replacement vent caps, termination fittings, and rigid duct components for common Walnut home configurations, which means most repairs don’t wait on parts orders. When a dryer vent fails because of heat-damaged flex or a stuck termination flap, we can typically restore full function in a single visit.
Common Dryer Vent Cleaning Problems We See in Walnut Homes
- Disconnected flex at attic takeoffs. In Snow Creek and Creekside, we regularly find original 1980s flex duct that has sagged and pulled free from the attic connection, dumping lint and moist air into the wall cavity while the dryer labors through extended cycles.
- Construction dust jamming exterior flaps. The 57/60 freeway project generates fine concrete and asphalt dust that settles into vent terminations, sticking flaps open or closed and creating backdraft conditions that trap humidity in the laundry room.
- Heat-crushed sections in hot attics. Walnut’s six-to-seven-month cooling season sends attic temperatures high enough to soften and deform flex duct, creating flattened channels where lint packs tightly and resists airflow even from powerful shop vacuums.
- Trap-level cleaning that misses the real blockage. Homeowners who clean the lint screen religiously still face fire risks and inefficiency because decades of compacted lint sit 10 – 20 feet deeper in the run, invisible without a camera inspection.
Pricing for Dryer Vent Cleaning in Walnut, CA
We price dryer vent work by the system, not by the foot, and every figure is written down before we start.
| Service | Typical Range in Walnut |
|---|---|
| Standard dryer vent cleaning (single-family) | $150 – $225 |
| Cleaning with minor reconnection/repair | $225 – $300 |
| Flex duct replacement with rigid duct | $275 – $450 |
| Vent rerouting to new termination | $350 – $600 |
| Complex multi-story or concealed chase work | $800 – $1,200 |
What moves the price: length of run, accessibility (crawl space vs. finished attic), condition of existing duct, and whether the exterior termination needs replacement. We do not quote per-vent teaser prices that balloon once we’re on site. The price you approve is the price you pay. Estimates are free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Walnut
Our crews work throughout the San Gabriel Valley, including Walnut and neighboring Rowland Heights, Diamond Bar, La Puente, and West Covina. The same written pricing, same 365-Day Done Right Promise, same background-checked uniformed technicians apply in every community we serve.
Serving Walnut, CA - Our Local Coverage Area
We’re based in the Walnut 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 About Dryer Vent Cleaning in Walnut
Your Walnut home’s vent run is probably 15 – 25 feet through an interior wall chase or attic, not a short straight shot to an exterior wall. That length, combined with original flex duct that has sagged or crushed over 25 – 35 years, creates low-velocity zones where lint packs tight. The Santa Ana winds and 57/60 construction dust add fine particulate that mixes with lint and accelerates buildup. Call (361) 326-5060 and we’ll run a camera to show you exactly where the restriction is.
We use a borescope camera fed through the full length of the vent run. In Walnut’s 1980s – 1990s two-story homes, this regularly reveals lint packed into sagging flex sections or disconnected runs inside wall cavities that are completely invisible from the laundry room or exterior. The camera footage determines whether cleaning, reconnection, or replacement is the right fix. Call (361) 326-5060 for a free camera inspection.
Yes. The ongoing 57/60 project produces fine concrete and asphalt dust that infiltrates exterior vent terminations, especially during Santa Ana wind events. We’ve found termination flaps stuck open by this debris, which lets wind-driven rain and dust enter the duct, and flaps stuck closed, which traps moist exhaust air in the run. Both conditions accelerate lint compaction and create fire hazards. Call (361) 326-5060 if your laundry room has seemed more humid or dusty lately.
It depends on condition, which we determine by camera inspection. If the flex is intact with minor sagging, cleaning and reconnection with proper support straps often restores function for $225 – $300. If the duct is heat-crushed, torn, or has pulled free repeatedly, replacement with rigid metal duct is the lasting fix at $275 – $450 for most Walnut homes. We show you the camera footage and price both options in writing before you decide. Call (361) 326-5060 to schedule.
Every 12 – 18 months for most Walnut households, and every 6 – 12 months if you have a large household, pets that shed, or frequent laundry loads. Walnut’s hot, dry summers and Santa Ana wind events increase dust infiltration, and the long vent runs in local two-story homes accumulate lint faster than short, straight configurations. Annual inspection with cleaning as needed is the safest schedule. Call (361) 326-5060 to set up a recurring maintenance plan.
Ready to get your dryer vent inspected and cleaned the right way? Call Hollis Air Duct Cleaning at (361) 326-5060 for a free, written estimate on Air Duct Cleaning in Walnut. We’ll show you what we find, explain your options, and put our 365-Day Done Right Promise on every invoice. No voicemail loops. No price changes at the door. Just the work, done by the book.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Walnut and the San Gabriel Valley since 2004.




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