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.
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Before
AfterAir Duct Cleaning Company in Simi Valley, CA
Air duct cleaning in Simi Valley typically runs $350 – $650 for a whole-home system, with most jobs completed in a single visit. We’re Hollis Air Duct Cleaning, and crews serving Simi Valley work under The Garrison Standard: written price before we start, background-checked uniformed technicians, and a 365-Day Done Right Promise on every job. Simi Valley’s unique conditions, shaped by Santa Ana winds funneled through the Santa Susana Pass, mean local duct systems collect fine abrasive dust that standard filters miss. Call (361) 326-5060 for a free estimate.
Why Simi Valley Homes Are Different
Most Simi Valley homes are ranch-style and two-story tract houses built from the late 1960s through the 1990s, many on slab foundations with original or first-replacement HVAC systems. That housing stock matters because flexible ductwork in hot attic spaces degrades over decades, creating leaks that pull in unfiltered air. The semi-arid climate pushes summer highs above 100°F, forcing systems to run harder and circulate more debris. Then the Santa Ana winds arrive, funneled through the Santa Susana Pass, depositing fine reddish-brown dust across the valley from Wood Ranch to Royal Oaks.
After a strong Santa Ana event, we regularly find that abrasive dust coating duct interiors and vent covers in hillside neighborhoods. It takes more than a standard vacuuming to remove. Mild, wet winters can introduce moisture through those same leaks, creating conditions for mold if the ductwork isn’t sealed. In Simi Valley, duct cleaning isn’t a luxury service. It’s maintenance driven by real local weather patterns.
Our Main Simi Valley Services
Simi Valley homeowners call us most often for three jobs, each with its own local considerations.
Air Duct Cleaning in Simi Valley
We clean the full supply and return duct network with a Rotobrush rotary brush system and negative-air extraction, removing the fine dust and debris that Santa Ana winds push deep into Simi Valley systems. Before we start, we show you the camera footage so you see what we’re working with. Every job gets a written price that doesn’t change at the door. Air Duct Cleaning in Simi Valley covers the full process, pricing, and what to expect.
Dryer Vent Cleaning in Simi Valley
Dryer vent cleaning in Simi Valley addresses lint buildup that accelerates in hot, dry conditions and poses a real fire risk. We run a rotary brush through the full vent line to the exterior termination, then verify airflow with a meter. Simi Valley’s older tract homes often have longer vent runs through attics or crawl spaces that are harder to access and clean thoroughly. Dryer Vent Cleaning in Simi Valley has the details.
Duct Sealing in Simi Valley
Duct sealing closes the leaks that let Santa Ana dust and attic heat into Simi Valley homes. We apply mastic sealant and mechanical fasteners at joints and connections, then test with a pressure gauge to confirm the seal holds. For homes in neighborhoods like Wood Ranch with original flexible ductwork, sealing often improves airflow enough that rooms heat and cool evenly for the first time in years. Duct Sealing in Simi Valley explains the full scope.
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.
Brands We Service in Simi Valley
We clean and service duct systems connected to all major HVAC brands, and we stock filters and components from Aprilaire, Abatement Technologies, and Guardsman for replacement on the same visit. If your system needs a part we don’t carry, our Los Angeles office coordinates next-day delivery for most items. our brands
Pricing for Air Duct Cleaning Company in Simi Valley, CA
| Service | Typical range in Simi Valley |
|---|---|
| Whole-home air duct cleaning (single system) | $350 – $650 |
| Whole-home air duct cleaning (two systems) | $550 – $950 |
| Dryer vent cleaning | $120 – $220 |
| Duct sealing (single system, typical leak repair) | $400 – $800 |
| Duct sealing with full mastic recoat | $800 – $1,400 |
| Air duct cleaning + dryer vent cleaning bundle | $420 – $780 |
| HVAC blower motor cleaning | $80 – $150 |
| Register and vent cover deep cleaning | $60 – $120 |
| Camera inspection of ductwork | $75 – $150 |
| Sanitizing treatment (after cleaning) | $100 – $200 |
Prices in Simi Valley run toward the higher end when homes have original flexible ductwork in hard-to-access attics, or when Santa Ana dust has compacted into layers requiring extended brush time. The price we write down before work starts is the price you pay. No per-vent add-ons, no equipment fees at the door.
Neighborhoods We Serve in Simi Valley
We work across Simi Valley’s full residential footprint, from the hillside developments to the valley-floor tracts. Most appointments are scheduled within a few days, with dispatch coordinated from our Los Angeles office.
- Wood Ranch
- Royal Oaks
- Bridle Path
- Big Sky
- Sycamore Canyon
Service Area – Cities Near Simi Valley
Our crews regularly work in communities surrounding Simi Valley, including Moorpark, CA, Oak Park, CA, Thousand Oaks, CA, and Westlake Village, CA. Scheduling and routing are handled from our Los Angeles office to keep arrival windows tight across the region.
Serving Simi Valley, CA - Our Local Coverage Area
We’re based in the Simi Valley 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 Air Duct Cleaning Company in Simi Valley
We typically schedule Simi Valley appointments within 2 – 4 business days, with dispatch coordinated from our Los Angeles office. Call (361) 326-5060 to check this week’s availability.
Most Simi Valley HOAs don’t require advance notice for interior duct cleaning, but gated communities like Wood Ranch may need entry clearance for our van. We handle whatever documentation your HOA needs when you book.
The winds will continue, but clean ducts with intact seals stay cleaner longer because they’re not pulling unfiltered attic air. We recommend checking your filter monthly during wind season and replacing it more often than the standard 90-day cycle.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Simi Valley Customers Say
"Duct sealing along with the cleaning cut our summer bill. Straight talk and fair price."
- Gwen O."Sealed some leaking duct joints in the crawl space with mastic. Rooms that were always cold now get air."
- Ronald W."Dryer vent was packed with lint and took two hours to dry a load. Cleaned it out from the roof cap down. One cycle again."
- Paula Q.