Dryer vent cleaning
Whole-home duct cleaning
Camera inspection
Sanitizing & deodorizingWhole-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.
Rotobrush Dryer Vent Cleaning in Los Angeles: What to Know First
We clean and maintain Rotobrush dryer vent systems throughout Los Angeles, typically completing most residential jobs in a single two-hour visit. Pricing is straightforward: most Rotobrush dryer vent cleanings in Los Angeles homes run between $145 and $285, depending on vent length, roof access, and how long it’s been since the last cleaning. If you own a Rotobrush system and your dryer is taking longer than 45 minutes to finish a load, call us at (213) 733-0665 for a free estimate before it becomes a bigger problem. We’re an independent Rotobrush service provider, not a factory-authorized dealer, which means we answer to you, not a franchise agreement.
This page is written for Los Angeles homeowners who have a Rotobrush system installed and want a technician who actually understands how these specific systems behave in our climate, not someone who treats it like a generic dryer vent. Dale Whitmore, our owner, grew up in the Palms neighborhood and has spent two decades diagnosing duct problems across the city. He’ll tell you what’s actually wrong before anyone touches a tool.
How Rotobrush Products Fail – and How We Fix Them
Rotobrush makes solid equipment, but like anything mechanical, it has predictable failure points. Here’s what we see most often on Los Angeles service calls, and what we do about it.
- The Rotobrush aiR+ and the e3 series share a weak point at the brush head coupling. The spring-clip retention mechanism wears down after three to five years of regular use, especially when the system has been run through long vertical risers in two-story Los Angeles homes. The symptom is a rattling noise during the cleaning cycle and reduced agitation at the duct wall. We replace the worn coupling with an OEM part when the system is under warranty, or a spec-matched aftermarket coupling when it isn’t, and we show you the old part before we leave.
- Rotobrush hoses develop pinhole leaks at the flex points near the cuff ends. This happens faster in Los Angeles because the combination of dry air and garage storage temperatures above 90 degrees in summer hardens the vinyl. A pinhole leak reduces negative-air suction at the brush head, so debris that should be pulled into the collection canister stays in the vent. We pressure-test every hose during a service call and replace any hose that leaks more than 5% of its rated vacuum.
- The Rotobrush Roto-Vision camera attachment, standard on the aiR+ Cloud and the e3 with camera package, loses image clarity when lint dust coats the lens mid-scan. Most homeowners never see this because the unit is in a garage corner. A technician who doesn’t pause to wipe the lens during a scan misses what’s actually in the vent: bird nesting material, a disconnected joint, a kinked transition. We clean optics at every inspection point and record footage from start to finish, including the final pass after cleaning.
- Rotobrush’s collection canister filters clog unevenly when the vent has never been professionally cleaned before. Los Angeles homes built before 1990 often have original galvanized duct with a rough interior surface that traps lint even after the brush passes. A partially clogged HEPA filter on the Rotobrush unit still allows the brush to spin, so an inexperienced tech might declare the job done while the filter is doing almost nothing. We inspect and swap the canister filter far more often than the Rotobrush maintenance schedule suggests, because older Los Angeles ductwork loads it up faster than factory estimates.
- The Rotobrush Roto-Mag magnetic drain line, used on older models, fails silently at the quick-connect joint in laundry rooms where the dryer is stacked. Stacked washer-dryer setups in Los Angeles condos and apartments put the dryer vent far lower than the machine, and the brass quick-connect at the wall picks up corrosion from residual moisture. The result is a small air leak at the wall plate that cuts effective airflow by 10-15%, even when the brush is running perfectly. We test every joint with a hand-held anemometer before and after the cleaning, and we replace any quick-connect that shows corrosion or play.
Styles & brands we work with




Our Rotobrush Dryer Vent Cleaning Process
When you call us for Rotobrush dryer vent cleaning in Los Angeles, here’s exactly how the visit goes, start to finish.
- 1
You call, a live person answers. That’s not a call center script either, it’s our Los Angeles dispatch desk. We ask what you’re seeing: longer dry times, a hot dryer surface, lint on the laundry room floor, a burning smell. Tell us what you’re seeing in the house, and we’ll tell you honestly whether we can fix it and what it’ll cost.
- 2
We give you a written price before we start. No door-step revisions, no surprise line items. The number you approve on the write-up is the number on the invoice.
- 3
We inspect the full run with a camera before we touch the brush. This is where Rotobrush-specific knowledge matters. We’re looking for the failure points above: coupling wear, hose leaks, clogged filters, corroded wall connections. You see the footage too. If the vent is clear and the problem is actually a faulty dryer thermostat or a crushed duct transition, we’ll tell you that and only charge the inspection fee. We don’t sell cleanings a vent doesn’t need.
- 4
We run the Rotobrush rotary brush system through the vent, with a Nikro negative-air unit pulling debris backward out of the duct. Brush agitation knocks lint loose from the duct wall; negative-air extraction pulls it into a sealed collection canister so it doesn’t blow back into your laundry room. If your vent terminates on a roof, we use an Abatement Technologies HEPA-filtered negative-air unit, which keeps loosened particles out of your living space entirely.
- 5
We finish with a camera pass to prove the vent is clean. You see the before and after on the spot. No ambiguity, no “trust us.” The footage is time-stamped and we leave you a summary of what we found.
- 6
We leave the laundry area cleaner than we found it, then put the 365-Day Done Right Promise in writing. If the vent clogs again within a year, we come back at no charge. That’s the Kingswell Way, the same four promises we’ve operated under since 2004: a written price before work begins, a defined arrival window, a clean job site, and a written guarantee on the work.
See the difference
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AfterWhat Rotobrush Dryer Vent Cleaning Costs in Los Angeles
Here are honest ranges, in dollars, for the Rotobrush dryer vent jobs we handle most often in Los Angeles.
| Service | Typical Price Range | What Moves the Price |
|---|---|---|
| Standard Rotobrush dryer vent cleaning (single-story, under 15 ft run) | $145 – $185 | Straight shot, ground-level termination, accessible laundry area |
| Two-story home or longer vent run (15 – 35 ft) | $185 – $245 | Roof access, multiple elbows, longer hose runs needed |
| Vent rerouting (interior to exterior wall, shorter run) | $340 – $620 | Materials, wall penetration, drywall patch if needed |
| Bird guard installation on exterior vent cap | $85 – $140 | Ladder access, cap type, existing vent condition |
| Vent cap replacement (damaged or missing) | $75 – $175 | Cap style, roof vs wall mount, need for extension pipe |
If your Rotobrush system hasn’t been serviced in more than three years, or you’ve never had the vent cleaned since buying the system, expect to be at the upper end of these ranges. Long-neglected vent runs take longer to do right. Call (213) 733-0665 and we’ll give you an exact quote before any work starts. Estimates are free and the written price is yours to keep.
Why Los Angeles Homeowners Call Kestrel Air Duct Los Angeles for Rotobrush Work
Los Angeles has no shortage of contractors who will clean a dryer vent. Few of them know Rotobrush systems specifically, and fewer still will put their promises in writing. We do both. The Kingswell Guarantee has been our standing rule since 2004: a written price before any work begins, a defined arrival window we actually honor, a job site left cleaner than we found it, and a 365-Day Done Right Promise in writing on every single job. If a repair fails within the guarantee period, we come back at no charge, and that return visit is part of the written agreement, not a favor we might extend.
Our technicians are background-checked, uniformed, and they run Rotobrush equipment every week, so they can feel the difference between a healthy system and one with a worn brush coupling or a leaking hose cuff. We also know the other brands in your home: if the issue turns out to be related to your Lennox, Trane, or Carrier HVAC setup or the dryer itself rather than the Rotobrush vent, we’ll tell you straight and point you to the right fix. We’re not chasing every invoice. We’re fixing the vent.
FAQs
No, routine professional cleaning will not void your Rotobrush warranty, provided the service is performed without modifying the system. We only use OEM or spec-matched parts when service items need replacement. If your system is still under warranty, we’ll identify any covered part and advise you on whether to file through Rotobrush or proceed with the repair. An independent service visit doesn’t change your warranty standing.
Most Los Angeles homes should have their dryer vent cleaned every 12 to 18 months, more often if you run the dryer four or more times a week, dry large dog beds or work clothes, or have a vent run longer than 25 feet. The drier the air, the more static cling the lint has to the duct wall; Los Angeles summers pull enough moisture out of the air that lint bonds faster than in coastal climates like San Diego. If a load of heavy towels isn’t dry in under 50 minutes, it’s time to call us at (213) 733-0665 for an estimate.
Lower quotes usually mean the technician skips the camera inspection, skips the negative-air extraction, or never intended to clean the full vent run at all. A shop vac pushed a few feet into the vent doesn’t clean a 20-foot run. We run a camera before and after, use negative-air extraction to pull debris out rather than push it around, and we show you the footage. If a quote is under $80, ask whether it includes camera verification and the full vent run. If it doesn’t, it won’t solve the problem. You’ll pay us a fair price once rather than a cheap price twice. Call (213) 733-0665 and we’ll quote your specific system.
You’ll know because we show you the before-and-after camera footage on the spot, with time stamps. You’ll also know because your dryer actually finishes a load in the time it’s supposed to. But if the vent clogs again within 365 days of our cleaning, we come back at no charge under the 365-Day Done Right Promise. That’s not a verbal pledge, it’s written on every invoice.
Yes. We carry common Rotobrush service items on the truck: brush couplings, hose cuffs, collection canister filters, and replacement caps. If your system needs something we don’t have in stock, we can typically source it from our Los Angeles parts supplier within a business day or two and return to install it. You’ll never pay for a return visit on a warranted part.
Written by Dale Whitmore, Owner, Kestrel Air Duct Los Angeles at Kestrel Air Duct Los Angeles, serving Los Angeles and nearby areas.