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 Westchester
HVAC cleaning in Westchester runs $380 – $720 for a standard single-story tract home, depending on how much of the original ductwork is still in place and what’s actually living in it. We book most Westchester jobs within 5 – 7 days, and every job starts with a written price before a single vent cover comes off. You’re not getting a shop-vac and a fog machine. You’re getting source removal with HEPA filtration, camera inspection, and a full-year promise that the work holds up. Call (424) 488-0361 and we’ll walk you through what your system actually needs.
Why Cardinal Air Duct Torrance Is Westchester’s Preferred HVAC Cleaning Company
Westchester’s housing stock is almost entirely 1940s – 1950s stucco tract homes with original galvanized ductwork routed through attics that sweat in the marine layer. Most national-brand duct cleaners show up with a fog machine and a brochure. Our techs know exactly what a 70-year-old supply run off Sepulveda looks like from the inside, and they know why that metallic smell near Kentwood Elementary isn’t mold. It’s rust.
We’re part of the Relay Home Co. family, founded 2005, and every Westchester booking runs on The Relay Visibility Guarantee: a live trackable arrival time, before-and-after photo documentation, and a digital invoice you pay from a link. No four-hour windows. No price that shifts once the tech is in your driveway. Our technicians are background-checked, uniformed, and carry professional-grade equipment: Rotobrush rotary brush systems, Nikro HEPA vacuums, and Abatement Technologies containment units. Omar Haddad, who runs the operation, keeps it simple: written price before work starts, written guarantee on every repair, and a free second visit if anything fails. That’s the 365-Day Done Right Promise, and it covers every job in Westchester without exception.
Styles & brands we work with
Evaporator Coil Cleaning in Westchester
Evaporator coil cleaning in Westchester typically costs $180 – $320 when bundled with a full duct cleaning, and it’s the single most overlooked piece of HVAC maintenance on this side of the 405. The coil sits inside your air handler, downstream of the filter, and in Westchester’s marine layer it rarely dries out completely. That means dust that reaches the coil turns into a damp, insulating paste that chokes airflow and forces the compressor to run longer. On 1950s homes off Manchester Avenue where attic ductwork has been pulling unconditioned air for decades, the coil is often caked with a gray slurry of rust particles, jet exhaust soot, and blown-in insulation fibers.
What a Proper Coil Cleaning Involves Here
We pull the access panel, camera the coil first, then apply a non-acidic coil cleaner and rinse the fins with low pressure so we don’t bend them. If the coil is severely impacted, we use a HEPA-contained extraction process so loosened debris goes into the vacuum, not back into your air handler. This is standard practice for any HVAC Cleaning job in Westchester, not an upsell.
Signs Your Westchester Coil Needs Attention
If your system runs longer to hit the same thermostat setting, or you notice a musty smell that gets stronger when the AC first kicks on, the coil is usually the culprit. That smell is often trapped on wet coil fins and circulated through supply registers, especially in single-story homes where the return path pulls from open-rafter attics.
AC Duct Cleaning in Westchester
AC duct cleaning in Westchester runs $380 – $720 for a complete single-system home, and the price reflects what’s actually in your ductwork rather than the square footage of your floor plan. Homes near Loyola Marymount and along Lincoln Boulevard accumulate jet exhaust particulate from LAX and brake dust from Sepulveda at a rate that inland neighborhoods simply don’t see. When that particulate mixes with attic humidity and rust flakes from aging galvanized duct seams, you get a gritty gray residue that settles in supply branches and blows back into living spaces whenever the blower ramps up.
Negative-Pressure Extraction, Not Just Brushing
We run negative-pressure extraction throughout the system. That means the HEPA-filtered vacuum pulls the loosened debris directly into a containment unit while our rotary brush agitates the duct walls, so the crud never recirculates into your living room. On original uninsulated steel ducts, we adjust the brush speed to avoid stripping additional rust off the interior. Older ducts need restraint, not aggression.
Camera Inspection Before and After
Every AC duct cleaning in Westchester includes a camera scoped through the main trunk and branches before we start, and again when we finish. You’ll see what we saw. If there’s corrosion at a seam, you’ll decide with our tech whether a section needs replacement rather than paying for fogging that won’t fix it. No before-and-after photos from a stock library. Your ducts, your attic, your proof.
Trusted Brands We Service in Westchester
We service and clean the systems already installed in Westchester homes. That includes Carrier, Trane, Lennox, Rheem, and Goodman air handlers, plus Aprilaire filtration systems and Honeywell controls. We stock common replacement filters in standard sizes for Westchester’s older floor-plan layouts, and we can source odd sizes from our Los Angeles supply network within a day. If your system takes a Honeywell media cabinet or an Aprilaire space-guard filter, we’ll inspect it, measure the pressure drop across it, and tell you honestly whether it’s still doing its job. Most Westchester homes we see are running filters that are either the wrong MERV rating for their blower, or so clogged they’re strangling airflow. Our techs carry replacements and know what each system actually needs.
See the difference
Before
After
Before
After
Before
AfterCommon HVAC Cleaning Problems We See in Westchester Homes
- Rust flakes blowing from registers. The marine layer condenses on uninsulated galvanized attic ducts every morning, and 70 years of that cycle rusts seams from the inside out. Homeowners smell metal and assume mold, but it’s usually corrosion shedding into the airstream. Source removal beats any fogging product on this.
- Jet exhaust soot accumulating in return plenums. Homes under the LAX approach corridor pull fine soot from the outdoor air into attic returns, especially on older systems with leaky return pans. The soot builds up over years and turns return air musty even when the supply side is clean.
- Blown-in insulation fragments in supply branches. Many Westchester attics were topped with blown-in cellulose or fiberglass at some point, and gaps around old duct boots let it migrate into the system. We find it packed into elbows and dampers on nearly half the homes we open up.
- Fogging jobs that left the original debris in place. A previous company fogged the ducts, the home smelled fresh for a week, and then the rust odor came back. Fog cannot reach corroded seams or remove caked soot. The only real fix is mechanical extraction, and that’s what we do.
Pricing for HVAC Cleaning in Westchester, CA
A complete HVAC cleaning for a standard Westchester single-story tract home lands between $380 and $720. That includes the full duct system, both supply and return sides, the evaporator coil, the blower, the plenums, and camera inspection before and after. An evaporator coil cleaning alone runs $180 – $320 when done alongside the full job. Homes with multiple systems, heavily corroded sections, or unusually long attic runs can push toward the upper end. The main variable is the condition of your original galvanized ductwork. If a section has rusted through at the seams, we’ll show you the camera footage and give you a separate price for replacement rather than hiding it in a surprise invoice. Written price before any work starts. Call (424) 488-0361 for an exact quote for your system.
We Also Serve Cities Near Westchester
Cardinal Air Duct Torrance covers Westchester and the surrounding South Bay and LAX-adjacent communities. If you’re in Torrance, Redondo Beach, Inglewood, or Compton, you’ll get the same flat pricing, the same equipment, and the same 365-Day Done Right Promise. Call our office and we’ll dispatch a local crew that knows the housing stock in your specific neighborhood.
Serving Westchester, CA - Our Local Coverage Area
We’re based in the Westchester 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 Westchester
The smell is almost always rust from the inside of your original galvanized attic ducts, not mold. Westchester’s morning marine layer condenses on uninsulated steel ductwork, and over decades the seams corrode and shed fine metal flakes into the airstream. A filter can’t catch what’s already downstream of it. The fix is mechanical extraction of the loose debris, then camera inspection to identify which sections have rusted through. If the corrosion is severe, replacement of those sections is the only durable solution. Call (424) 488-0361 and we’ll camera your ducts to confirm what you’re actually smelling.
No, not on the original galvanized ductwork in this housing stock. Fogging products reach the surfaces they can touch, and by the time the antimicrobial mist travels through a 70-year-old Westchester attic duct run, it has dissipated long before it reaches the corroded seams where the actual problem lives. The rust odor returns within weeks because the source debris was never removed. Remove the source first with mechanical extraction, then decide whether any treatment is warranted. In nearly every case, source removal eliminates the odor entirely without chemical fogging.
Yes, homes under the LAX approach corridor and along Sepulveda and Lincoln boulevards accumulate airborne soot and jet exhaust particulate much faster than inland areas. If you can see a fine dark film building up on window sills between cleanings, that same particulate is entering your return ducts. We typically recommend a full HVAC cleaning every 2 – 4 years for Westchester homes near the airport, versus every 4 – 5 years for identical systems in Torrance or Redondo Beach. The marine layer also keeps that debris damp, which is why Westchester systems develop the musty odor sooner.
Yes. We access the entire duct system from the attic, the registers, and the plenum openings. No wall demolition is needed. On a late-1940s single-story near Kentwood Elementary, our crew pulled original 6-inch galvanized supply duct from an attic that had been sweating for decades in the marine layer. The bare steel had rusted through at the seams, so register airflow carried rust flakes and a sharp metallic odor the homeowner thought was mold. We ran negative-pressure extraction with HEPA filtration, then camera-inspected every run before installing new insulated-flex on the worst sections. No fogging, no ozone, just source removal of what was actually in the ducts.
A genuine cleaning removes the debris that’s physically adhered to your duct walls: rust flakes, jet exhaust soot, blown-in insulation fibers, and the damp gray paste that builds up on evaporator coils. A blow-and-go runs a shop-vac line through the nearest register and leaves everything else in place. In Westchester, that means leaving the exact material that’s causing the odor. Our process uses Rotobrush rotary agitation paired with Nikro HEPA negative-pressure extraction, so the debris is captured at the point of contact and never recirculates into your home. You’ll see it in the before-and-after camera footage. Call (424) 488-0361 for a written quote on your specific system.
Written by Omar Haddad, Owner at Cardinal Air Duct Torrance, serving Westchester with the Relay Home Co. family since 2005.