Whole-home duct cleaning
Dryer vent 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.
Fast, Reliable Air Duct Cleaning Across Thousand Oaks
Air duct cleaning in Thousand Oaks typically runs $350 – $650 for a full single-family system, and most jobs finish in one visit. We service the Conejo Valley daily, including 91360, 91362, and the surrounding ranch neighborhoods. If your vents smell like smoke after a Santa Ana wind or you’re seeing dust settle back onto furniture a day after wiping it down, the ductwork is the likely culprit. That’s where we come in. Call (855) 353-2270 and we’ll schedule a walkthrough. We answer 24/7, and fast dispatch runs from 7am to 7pm, Sunday through Friday.
Why Thousand Oaks Homeowners Call Duct Cleaning Simi Valley for Air Duct Cleaning
Most of the homes we work in around Thousand Oaks were built between the 1960s and 1980s. The ranch and Mediterranean tract layouts along Lynn Road and throughout 91360 and 91362 share a common problem: original flex duct that has baked in valley heat for decades. Homeowners notice a smell they can’t place, or dust that comes back fast. They call us because we explain what we actually found, not just hand over an invoice. Our team runs rotary-brush extraction with Rotobrush and Nikro equipment, not compressed-air blowouts that push debris around. Earl Conway has spent years focused on exactly this kind of suburban housing stock, and it shows in how we approach each job.
We’re not a one-truck outfit that comes over the hill for a quick day trip. Serving Thousand Oaks from our base in Simi Valley means our technicians know Conejo Valley homes before they arrive. They know what these attics look like, what the Santa Anas do to return plenums, and what original galvanized duct looks like when it’s been holding ash for thirty years. That local reference matters when you’re deciding whether a system needs cleaning or repair.
Key Takeaways
- Full-system cleaning in Thousand Oaks typically runs $350 – $650.
- Santa Ana ash and oak pollen are the two biggest loads in local ducts.
- We remove debris mechanically under negative pressure – not with a fogging upsell.
- We repair damaged, sagging, or disconnected duct runs in the same visit.
- Free estimates, and the written quote sets the final price.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Cleaning Services in Thousand Oaks
Air Duct Cleaning Services here mean one thing above all: restoring the system already in your home, not maintaining a fresh installation. Your return and supply runs pull air through every room, but they also pull in whatever the hillsides put into the air. In air duct cleaning work across the Conejo Valley, we routinely find fine ash packed against blower motors and oak-leaf fragments stacked in return boots. The job is source removal: agitate the debris, pull it out under negative pressure, and leave the runs clear. A typical ranch home in 91360 runs $425 – $550 for a full supply-and-return clean.
Supply and Return Restoration
Supply ducts push air out; returns pull it back. Both accumulate debris, but returns in this area collect the worst of what Santa Ana winds drag through the vent screens. We clean both sides in the same visit, and our techs use video inspection to confirm what’s actually in there before we start.

Video Inspection After the Clean
We take before-and-after camera footage, so you see what was pulled out and what the runs look like afterward. That matters in older Conejo Valley homes where flex duct may be sagging or cracked in the attic heat. You shouldn’t have to trust anyone’s word that the ducts are clean.

HVAC Duct Cleaning in Thousand Oaks
HVAC Duct Cleaning in the Conejo Valley is a different job from what a coastal service would sell. The inland heat dries out attic insulation, breaks down old foil wrap, and leaves flex duct brittle. Add a Santa Ana event, and you get a fine gray silt pushed through the plenum and into the blower cabinet. A correct cleaning addresses the whole path: registers, runs, boots, plenums, coil, and blower. It is not a vent-polish. A typical job in 91362 with multiple returns and a second-story run costs $500 – $650. That’s the whole system, not a per-vent fee, and it’s agreed before we start.
What We See in Conejo Valley Returns
Behind the return grille, it’s often not dust. It’s a layer of ash, dried pollen, and fiberglass particles from deteriorating duct liner. Our techs use Nikro rotary-brush heads sized to the run, with HEPA-filtered negative air keeping the job contained. The result is real extraction, not a redistribution of dust into the living space.
Filter and Fan Review
While the system is open, we look at what the filter catches and whether the MERV rating matches what your house actually needs. If you’ve got a Honeywell media cabinet or an Aprilaire humidifier, we clean around it properly. A cheap fiberglass panel cannot handle the pollen load from the oaks along Westlake Boulevard, and we’ll tell you that straight.
Trusted Brands We Service in Thousand Oaks
Our air duct cleaning team works with the equipment already in your home, not past it. That includes whole-home filtration from Honeywell and Aprilaire, which many Thousand Oaks homeowners have installed in the older ranch builds. We also run Rotobrush and Nikro extraction systems – the same professional-grade rigs specified by IAQ industry standards – and carry Abatement Technologies gear for jobs involving heavy debris, post-remodel dust, or contamination that needs remediation-grade containment. You won’t get a technician who has to call someone else to identify a media cabinet or a UV lamp. We see these systems every week and handle them on-site.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Thousand Oaks Homes
- Ash-baked returns after Santa Ana winds: Fine gray ash and oak debris get pulled into the return system and sit against the blower motor. Homeowners often read the smell as mold when it’s actually smoke residue and pollen cooked into attic flex duct.
- Disconnected or sagging flex runs: The valley heat kills the clamps and tape on once-replaced flex duct. A disconnected run drags attic air and fiberglass straight into the airstream, and no amount of cleaning fixes that – it gets repaired in the same visit.
- Mold suspicion that turns out to be debris: The musty, sharp smell near vents gets misdiagnosed constantly. We pull the debris first and then reassess whether any moisture or microbial growth actually remains.
- Undersized or clogged filters: Homes along the hillsides in 91362 shift between dry winter air and wet coastal morning fog. That cycling loads filters fast, and a clogged panel sends bypass air into the return – pulling more particles through the coil.
Pricing for Air Duct Cleaning in Thousand Oaks, CA
You’ll run into quotes from $99 to over $1,000 in this area. The low ones usually mean a two-vent promotional clean that becomes a much larger invoice once the van is in the driveway. The high ones often bundle a fogging treatment you don’t need. The actual job of cleaning all supply and return runs in a typical 1,400 to 2,400 square foot Thousand Oaks home lands between $350 and $650. Multi-story homes, two full systems, or heavily loaded original ductwork can push toward the top of that range. Every quote is written, line-itemed, and agreed before work begins. There’s no per-vent pricing and no surprise add-on. Call (855) 353-2270 for a free estimate.
As for the upsells: a fogging ‘sanitiser’ through the system doesn’t remove anything. If the target is smoke-ash loaded flex duct, the answer is mechanical extraction under negative pressure – what we actually do. We use Guardsman equipment for coil cleaning and surface prep, and every job is backed with before-and-after video. No bait, no fogging show.
We Also Serve Cities Near Thousand Oaks
We run the same trucks through Westlake Village, Oak Park, Agoura Hills, and Moorpark. The housing stock is similar across the Conejo Valley, so our parts and approach don’t change much, but the drive times do. If you’re in one of those nearby cities, air duct cleaning is the same straightforward job. Book directly with the team and get a fixed written estimate before anything runs.
Serving Thousand Oaks, CA – Our Local Coverage Area
We serve Thousand Oaks and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Thousand Oaks
Because embers and ash from the surrounding hillsides get drawn into the return plenum as the wind shifts. Over time, that residue bakes into the attic flex duct from the valley heat and then re-enters the living space when the fan cycles. The fix is to remove the source material with rotary-brush extraction and negative-pressure containment. Call (855) 353-2270 and we’ll inspect video first.
No. Fogging sprays a mist through the runs and coats nothing in a way that lasts or penetrates. If real moisture and microbial growth exist, the contaminated material must be physically agitated and extracted – and the source of the moisture must be corrected. We use Abatement Technologies equipment when contamination is a concern and do not sell a fogging pass as a substitute for source removal.
Usually yes, if the runs are intact. The original galvanized trunks often hold up, but the flex connectors and attic returns degrade in the valley heat. We inspect camera-first, then clean what’s sound and repair what’s sagging or disconnected. In most 1960s – 1980s ranch homes across 91360 and 91362, the system is worth restoring rather than replacing.
Most Thousand Oaks homes benefit from a full-system clean every two to three years, less often if you run a tight MERV 11 or higher filter and keep the condensate pan dry. Homes near the oak canopy or along the wildland edges will load faster. If you can smell the Santa Anas indoors, the ducts are carrying that smoke load. Call us and we’ll do a video walkthrough before recommending anything.
We run Rotobrush and Nikro rotary-brush extraction systems for mechanical agitation, with HEPA-filtered negative air to contain the debris. For jobs involving heavy buildup or post-remediation verification, we have Abatement Technologies gear on the truck. It’s professional-grade equipment, not a compressor blowout.
Written by Earl Conway, Owner at Duct Cleaning Simi Valley, serving Thousand Oaks since 2013.