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 HVAC Cleaning Across Calabasas
HVAC cleaning in Calabasas means removing the fine dust, ash, and microbial buildup that settles inside your duct runs, coils, and blower assembly, and for most homes in this area it runs $350 – $900 depending on system size and access. We’ve worked in enough Calabasas attics to know that your ductwork fights a different battle here than it does in Malibu or Santa Monica. The dry heat and Santa Ana winds push canyon dust through even the best filters, and tile-roofed homes bake attic ductwork to temperatures that bake debris onto coil fins. Our HVAC Cleaning crews know exactly what to look for in Calabasas homes, and you can reach a live person at (559) 295-5878 any time you need us.
Why Cardinal Air Duct Woodland Hills Is Calabasas’s Preferred HVAC Cleaning Company
Calabasas homeowners call us because we show up with a written price before any work starts, and that price doesn’t change at the door. Omar Haddad leads our team, and every technician arrives background-checked, in uniform, and ready to name the equipment they’re carrying before you even open the door. That’s the Relay Standard at work, and it’s how we run every single job across The Oaks, Mountain View Estates, and the hillside estates along Mulholland Highway.
We don’t do the “low teaser price, then a bigger invoice once the van is parked” routine. You get one flat price per system, agreed before a single duct is touched. And every job carries the 365-Day Done Right Promise: if the work isn’t right within a full year, we return and correct it at no charge. That promise covers every booking, no exceptions, no fine print. For Calabasas homeowners who’ve been burned by vague quotes before, that’s the difference between calling a contractor and calling us.
Our crews carry pro-grade gear built for the kind of ductwork Common in Calabasas: Rotobrush brush systems for mechanical agitation, Nikro HEPA vacuums for true negative-pressure extraction, and Abatement Technologies containment units when the job calls for it. Dispatch is coordinated from the brand’s Los Angeles office, but our crews serve Calabasas directly and know the roads, the gates, and the parking constraints of local communities.
Styles & brands we work with
Evaporator Coil Cleaning in Calabasas
Evaporator coil cleaning in Calabasas typically runs $180 – $340 and is the single most overlooked maintenance item in homes where the AC runs hard from June through October. Your evaporator coil sits inside the air handler, where it pulls heat and humidity out of the air. In Calabasas’s hot, dry summers followed by damp winters, that coil becomes a magnet for a compacted film of dust and microbial growth that chokes airflow and makes your system run longer to hit the same temperature.
Signs Your Coil Needs Attention
If your AC runs constantly in summer and the house still feels dusty or slightly humid, a fouled coil is usually part of the story. Restricted airflow across the coil also forces the blower motor to work harder, which shortens its life and drives up your electric bill. A professional coil cleaning removes the debris mechanically, then applies a coil-safe treatment that helps prevent rapid re-soiling without masking odors with fogging chemicals.
How We Clean Without Damaging Fin
Coil fins are thin aluminum or copper, and aggressive cleaning can bend them, reducing efficiency further. Our techs use low-pressure cleaning agents and soft-bristle agitation, never high-pressure water that risks pushing debris deeper into the coil. We inspect before and after with photos, so you actually see the work was done, not just told it was.
AC Duct Cleaning in Calabasas
AC duct cleaning in Calabasas for a typical single-family home runs $350 – $700, with larger estates and multi-zone systems in communities like The Oaks landing at the higher end of the range. The job involves mechanical agitation of debris inside the duct walls, followed by negative-pressure extraction, which means the loosened dust and contaminants go straight into a HEPA-filtered vacuum rather than back into your living room. In Calabasas, where long duct runs span multiple zones and decades of fine dust have settled into every bend, a genuine source removal matters more than a quick fogging treatment.
Construction Dust in Newer Homes
Many Calabasas homes rebuilt or remediated after the 2018 Woolsey Fire have ductwork that looks clean from the register but still holds construction dust, drywall particles, and particulate from the rebuild. That debris acts like sandpaper on your blower motor bearings and coats the inside of your ducts, shortening system life. We remove it with professional-grade source removal, not a sanitizing fog that leaves the particles in place.
Attic Access and Custom Architecture
Some of the tightest, most challenging duct runs in Calabasas are in low-clearance attics under tile roofs that radiate 130°F+ in summer. We schedule early-morning work during hot months and use low-profile tools that fit where oversized truck-mounted hoses simply can’t reach. That access matters, because skipping a collapsed section of flex duct means the cleaning looks complete but the system still breathes poorly.
Trusted Brands We Service in Calabasas
We service and clean systems from every major HVAC brand found in Calabasas homes, and we stock the consumables our local jobs need most, including Aprilaire and Guardsman filtration products, plus Rotobrush tooling for tight attic access. That means we’re not waiting on a parts house in Van Nuys when your job calls for a specific brush head or filter media. For Calabasas customers with Aprilaire media cabinets or Guardsman UV units, we can inspect and service the filtration side of the system during the same visit as the duct clean, which saves you a second appointment and a second service fee.
See the difference
Before
After
Before
After
Before
AfterCommon HVAC Cleaning Problems We See in Calabasas Homes
- Santa Ana dust and ash in duct runs. Even with a quality filter, the fine particulate pushed by Santa Ana winds settles inside supply ducts, especially in homes near open space. We find a visible layer of dust on duct walls in most Calabasas homes we open up.
- Post-Woolsey rebuild contamination. Homes that were remediated after the 2018 fire often have new ducts filled with construction dust from drywall, paint, and sanding. It looks clean from the register, but the ducts need a full source removal before the system operates efficiently.
- Moisture-driven microbial film on evap coils. Calabasas’s winter dampness combined with months of summer heat creates the perfect conditions for biofilm on coils. Fogging sanitizers mask the odor, but they don’t remove the film, and the musty smell returns with the next rain.
- Collapsed flex duct in hot attics. Tile roofs radiate extreme heat into attic spaces, which degrades flex duct over time. We routinely find collapsed or kinked runs that no amount of cleaning can fix until the duct is replaced or re-supported.
Pricing for HVAC Cleaning in Calabasas, CA
For a standard single-family home in Calabasas, a full HVAC cleaning including the supply ducts, return ducts, air handler, blower, and evaporator coil runs $350 – $700. Larger estates with multiple HVAC zones in communities like Mountain View Estates or The Oaks often run $700 – $900. Evaporator coil cleaning as a standalone service runs $180 – $340. Factors that push the price higher include the number of zones, attic access difficulty, and the presence of fiberglass-lined ductwork that requires gentler cleaning methods. The price we quote is the price you pay, in writing, before any work begins. Call (559) 295-5878 for an exact quote, and the estimate is free.
We Also Serve Cities Near Calabasas
While this page focuses on HVAC Cleaning in Calabasas, our teams also serve Woodland Hills, West Hills, Topanga, and Agoura Hills. If you’re in one of those communities and your system is due for a clean, the same written-pricing standard and 365-Day Done Right Promise apply. One call covers the whole area.
Serving Calabasas, CA - Our Local Coverage Area
We’re based in the Calabasas 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 HVAC Cleaning in Calabasas
That musty smell after the first winter rain comes from microbial growth on your evaporator coil and inside your supply ducts, fed by moisture that condenses during Calabasas’s damp winter months after a long, dry summer. The smell wasn’t noticeable in summer because the coil was dry; the first rain raises indoor humidity enough to activate the odor. Fogging sanitizers will temporarily mask the smell, but a real fix requires mechanically cleaning the coil and the duct surfaces where the microbial film lives. Call (559) 295-5878 and we’ll inspect it properly.
Yes, Santa Ana winds carry extremely fine particulate that passes through standard HVAC filters, especially 1-inch fiberglass filters, and settles inside duct runs, on coils, and on the blower wheel. Homes in Calabasas that sit near open space or canyon mouths see the most accumulation. We routinely open systems with quality filters and still find a dust layer inside the ducts that only source removal can address.
If your home was remediated, rebuilt, or simply had significant contractor work done after the 2018 Woolsey Fire, the deck is stacked against you: construction dust settles in ductwork and looks invisible until it starts recirculating. If you see fine dust on furniture a day or two after cleaning, hear the blower working harder than it used to, or notice dusty air coming from registers, it’s worth an inspection. A professional camera inspection of your ducts will show you exactly what’s inside before any cleaning begins.
It’s common in Calabasas, but not normal. Constant running with dusty air usually points to a restricted evaporator coil and a clogged blower wheel, both of which reduce airflow and force the system to run longer. Cleaning the coil and blower restores airflow and removes the dust source. If your filter is clean and the system still runs nonstop, the problem is almost always inside the unit, not at the thermostat.
Sanitizing uses fogging or chemical sprays to kill surface microbial growth, but it does not remove the dust, debris, and biofilm that the microbes live on, so the problem returns quickly in Calabasas’s climate. Source removal is the mechanical agitation and HEPA-vacuum extraction of the debris itself, which is what actually restores airflow and indoor air quality. For Calabasas homes with years of accumulated canyon dust, source removal is the only approach that delivers lasting results. We quote source removal pricing honestly, and we’ll tell you if sanitizing alone would be a waste of money. Call (559) 295-5878 for a straight answer.
Written by Omar Haddad, Owner at Cardinal Air Duct Woodland Hills, serving Calabasas since 2005.