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 Carson
Carson homeowners ask us one question more than any other: how much should air duct cleaning cost, and what does the work actually include? Here’s the direct answer. A full-system Air Duct Cleaning for a typical Carson single-family home runs $390 to $680, depending on the number of returns, accessibility, and the condition of the original galvanized steel ducts many older homes still have. We write that price down before any work starts, and it does not move. Call (562) 548-7365 for a free estimate, and we’ll tell you exactly what we’ll do and what it costs.
We know Carson’s housing stock. The post-war tract homes west of Avalon Boulevard, the condos off the 405, the newer townhomes near the 91. Each has different ductwork, different failure points, and a different reason the air feels stale. Our crews work in Carson every week. We arrive inside the window we quote, in uniform, with the equipment already on the truck. That reliability matters when you’ve been burned by a no-show before.
Why Hollis Air Duct Long Beach Is Carson’s Preferred Air Duct Cleaning Company
Hollis Air Duct Cleaning has been in business since 2004, and we operate under The Garrison Standard: written prices, written guarantees, and a 365-Day Done Right Promise that says if the work fails within a year, we come back and make it right at no charge. No fine print, no renegotiation. We answer phones with a live person 24 hours a day, seven days a week. When a Carson homeowner calls at 7 a.m. because they just saw a dust cloud blow out of a floor register, they get a person, not a voicemail.
Our technicians are background-checked and uniformed. You’ll know who’s walking into your home before they arrive. Roy Castellanos leads our crews, and he runs the job the way The Garrison Code requires: arrive inside the window, price it before we touch it, do the work by the book, leave the site clean. That code isn’t a marketing line. It’s how we keep the phone ringing from Carson referrals.
Styles & brands we work with




Vent Cleaning in Carson
Vent Cleaning in Carson means something specific here. It means opening the original floor registers in a 1962 tract home west of Avalon and finding fine silica dust that’s been settling for decades. It means reaching the supply boots under the registers and the return grilles in hallways, and removing what’s actually there, not what a brochure says might be there.
Supply Vent Access
Older Carson homes frequently have galvanized steel supply runs with minimal access. We’re pulling floor registers cut into hardwood, unbolting them carefully, and running agitation tools down the run rather than through the register from above. That prevents dislodged dust from spilling back into the living space. A supply-side vent cleaning in Carson typically adds $90 to $140 to the base system price, depending on register count.
Return-Side Buildup
Carson’s marine layer pushes indoor humidity up, and return duct grilles in hallways pull that moist air across filter media and coil surfaces. The result is a tacky film on return-side interiors that captures skin cells, pet dander, and freeway dust. Cleaning return vents and the runs behind them costs $120 to $190 in most Carson homes, and it’s the half of the system most homeowners have never seen.
Air Duct Repair in Carson
Air Duct Repair in Carson is usually a corrosion problem, not a tear problem. The marine layer that rolls in from the South Bay keeps indoor humidity high during summer mornings, and original galvanized ductwork responds by oxidizing at seams and elbows. When we run a video inspection in a 1950s-60s tract home, we’re looking for rust blooms where condensation collected, not just disconnected flex runs.
Seam Sealing and Patching
Patching a corroded seam on a galvanized trunk line in a Carson crawlspace typically costs $180 to $320, including access and materials. We use duct mastic, not foil tape, because mastic doesn’t peel when the next marine-layer morning raises the dew point. The written price covers the patch, the inspection, and a confirmation photo you keep.
Replacing Sagged Flex Runs
Newer condos near the 405 often have flexible ductwork that sags between supports. A sagged flex run traps condensation and debris, then leaks conditioned air into the attic. Replacing a failed flex drop in a Carson townhome runs $240 to $480 depending on length and attic access. The price is written before we open the hatch.
Trusted Brands We Service in Carson
We don’t sell a brand, and we don’t care what sticker is on your air handler. But the tools we bring to Carson jobs matter. Our negative-air machines are Nikro and Abatement Technologies units, the same class used on commercial remediation jobs, which matters when you’re removing decades of Dominguez Channel silica from a crawlspace duct run. Our rotary brush systems are Rotobrush, and if your system benefits from an upgraded media filter, we stock and install Aprilaire and Guardsman filtration products. Professional-grade equipment, explained in plain English on the job.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Carson Homes
- Silica dust from the 405 and Dominguez Channel. Homes west of Avalon pull fine particulate from the freeway corridor and the channel bed into return air. This dust is abrasive and fine enough to pass through standard filters, then settle in duct runs and on blower fins.
- Marine-layer moisture making dust stick. The morning marine layer raises indoor humidity, dust cakes onto galvanized duct walls, and a film forms that fogging sanitizers can’t remove. Source removal with negative pressure does remove it.
- Original galvanized duct corrosion. Post-war tract homes were built with galvanized steel ducts. Six decades of humidity cycles means rust at seams and joints, which catches dust faster and weakens the duct run itself.
- Sagged flex in newer freeway-adjacent builds. Condos and townhomes built near the 91 and 405 in the last 20 years often have flexible duct that was undersupported. Sagging creates low spots where moisture and debris pool, blocking airflow and stressing the blower.
Pricing for Air Duct Cleaning in Carson, CA
A full-system cleaning for a typical 3-bedroom Carson home, including both supply and return sides, runs $390 to $680. A single-return condo near the 91 corridor typically lands at $320 to $450. Video inspection, if you want to see the inside of your ducts before and after, costs $95. The variables are register count, crawlspace or attic access, and how badly the original ducts have corroded. You get the written price before we start, and that price doesn’t change at the door. Call (562) 548-7365 for a free estimate.
We Also Serve Cities Near Carson
Our crews work throughout the South Bay and neighboring communities, so if you’re in Wilmington, Lakewood, Long Beach, or San Pedro, we’ve likely been on your street this month. For more on our coverage area and what to expect, see Air Duct Cleaning in Carson and the surrounding neighborhoods we serve.
Serving Carson, CA - Our Local Coverage Area
We’re based in the Carson 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 in Carson
The west side of Avalon sits closer to the 405 corridor and the Dominguez Channel, and the prevailing wind pushes fine silica and road dust across those neighborhoods. Torrance sits further from the channel’s open bed and gets less of that particulate load. Add in the marine layer that dampens duct interiors, and the dust that reaches Carson’s west side sticks instead of passing through.
No. Fogging a sanitizer into a duct run that still has caked silica dust and biofilm substrate on the walls coats the problem without removing it. The marine layer’s moisture will have that surface re-contaminated within months. Source removal, meaning negative pressure and mechanical agitation with HEPA filtration at the return, removes the grit and the film. Sanitizer fogging is an upsell we rarely recommend for Carson homes.
We run a camera through the return and supply trunks and look for rust blooms at seams, elbows, and low points where condensation pooled. Visible rust means the galvanic coating has failed in that spot, and the duct will keep degrading. The camera tells you in five minutes, and the video is yours. Repairing seam corrosion before it splits open is always cheaper than replacing a section of trunk line.
Both. The return side is where Carson’s humid air enters the system, and return runs in older tract homes are typically grimier than the supply side. Cleaning only supply ducts leaves a fouled return pulling humid, dusty air across the coil. That unbalanced airflow also pulls unconditioned air through registers near kitchens and bathrooms, the dampest rooms in the home.
That’s fine silica dust from the Dominguez Channel and 405 corridor, mixed with skin cells, cooking oil vapor, and marine-layer moisture. It’s sticky because the humidity in Carson’s air causes the particulate to bind with organic material from the household. It’s not just dust. It’s a film that builds in the duct run behind the register, and it needs agitation and negative pressure to come out. Call (562) 548-7365 for an exact quote, estimates are free.
Written by Roy Castellanos, Owner at Hollis Air Duct Long Beach, serving Carson and the South Bay since 2004.