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.
Air Duct Cleaning Company in Wilmington, CA
Air Duct Repair in Wilmington usually starts with finding why the system sounds like it’s breathing through a clogged filter. In a port town where diesel soot and metal-oxide grit ride the onshore breeze into return-air chases, damaged ductwork doesn’t just leak air. It pulls that black particulate straight past the filter and into the living room, which explains why repairs here start with a source-removal cleaning rather than a patch. Our crew brings Rotobrush rotary-brush systems and Nikro HEPA vacuum equipment to every job, because fixing a duct in Wilmington means extracting what the Ports of LA/Long Beach put into it before sealing the breach. Call (877) 358-4828 for a free estimate, and we’ll tell you precisely what the system needs.
Why Wilmington Homes Are Different
Most of Wilmington’s housing stock was built between the 1920s and 1950s, single-story bungalows and early tract homes near the refineries and the harbor. Those houses rarely started with forced-air central heat. Many began with gravity-furnace ducting, and later air-conditioning retrofits were routed through closets and crawlspaces with shallow, poorly sealed sheet-metal ducts. That geometry matters: shallow ducts trap grit, unsealed seams pull dust from the crawlspace, and retrofitted boots often sit where return air has already gone stale.
The climate makes it stickier. Marine-layer humidity off San Pedro Bay keeps duct interiors damp for long stretches, which means the fine black dust coating return-air boots can hold odor and support mold growth in unsealed systems. When Santa Ana winds arrive in fall and winter, they reverse the pattern, lofting port dust and refinery particulates directly into outdoor condenser intakes and return grilles. The result is a cycle of sooty buildup that re-coats filters within weeks.
In the older blocks off Avalon Boulevard, our technicians routinely pull oily black fuzz from return-air boots. It’s a specific Wilmington mixture: diesel soot from constant truck traffic, rubber tire dust off the Alameda Corridor, and refinery catalyst fines. It smells like the port itself. Duct cleaning here is less about indoor comfort than extraction, because inland duct cleaners simply don’t deal with this volume of metal-oxide grit in the return-air chases.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main Wilmington Services
Two services keep Wilmington homeowners on the phone with us: whole-system air duct cleaning and dryer vent cleaning. Each has its own dedicated page because each involves different tooling, different pricing, and different safety priorities here.
Air Duct Cleaning in Wilmington
Whole-system cleaning in Wilmington means connecting a Nikro HEPA vacuum to the main trunk and working every supply and return branch with a Rotobrush rotary-brush system. The brush physically dislodges the oily dust that settles in shallow, retrofitted duct runs, while the vacuum captures it at the source instead of recirculating it. We deploy Abatement Technologies air filtration on-site during the job to contain whatever the brush kicks up. Read the full walkthrough on this page: Air Duct Cleaning in Wilmington.
Dryer Vent Cleaning in Wilmington
Dryer vents in older Wilmington bungalows often run long, narrow paths through crawlspaces or out roof caps where marine humidity condenses on lint. The result is a paste-like blockage that reduces airflow and puts real heat load on the dryer. We run rotary brushes the full length of the vent, verify termination airflow with a manometer, and clear the cap. Details are on the dedicated page: Dryer Vent Cleaning in Wilmington.
Air Duct Repair in Wilmington

Wilmington’s older homes almost never have modern, sealed ductwork. The shallow sheet-metal runs retrofitted into crawlspaces and closets leak from day one, and decades of port dust and marine dampness have usually made it worse. Repair here commonly involves replacing collapsed flex connectors, sealing boots that have pulled away from floor registers, and re-hanging sagging trunk lines before the leak becomes a dust intake. Our position is simple: we clean it and fix it in one visit, which is why this service exists alongside cleaning rather than as a separate trade. We’re the same crew that runs the Rotobrush and Nikro equipment, and that matters when the repair requires cleaning the interior before patching. For a deeper look at the repair-only approach, see Air Duct Repair.
HVAC Duct Installation
Signs you need it
Your home never had central air retrofitted, or the existing runs are so undersized and corroded that no seal will hold.
What it costs in Wilmington
Typical HVAC duct installation in Wilmington runs $3,200 to $9,800 depending on system size, access, and whether the home’s original gravity-furnace chases can be reused.
How we do it
We measure room-by-room airflow requirements, design a trunk-and-branch layout that fits the existing closets or crawlspace, then fabricate and hang new sheet-metal or flex duct with sealed collars and a pressure test.
Air Duct Replacement
Signs you need it
Duct interiors are rusted, torn, or so coated with oily port dust that the insulation is saturated and odor returns within days of cleaning.
What it costs in Wilmington
Air duct replacement in Wilmington typically ranges $2,400 to $7,600, with the final number set by how many runs need new material and how tight the crawlspace access is.
How we do it
We extract the old material with containment in place, clean the remaining trunk with the Rotobrush system, then install new sealed runs and verify airflow at every register before we leave.
Ductwork Repair
Signs you need it
Certain rooms stay hot or cold regardless of thermostat setting, or registers rattle against boots that have separated from the floor.
What it costs in Wilmington
Ductwork repair in Wilmington generally lands between $450 and $1,600 per leak or separated joint, with most homes needing several points addressed in one visit.
How we do it
We locate leaks by hand and with a pressure gauge, seal joints with mastic and foil tape rated for HVAC, and re-support sagging sections so new gaps don’t open.
Duct Replacement
Signs you need it
A section of flex duct has collapsed, been chewed through by rodents in the crawlspace, or is so kinked at a joist that airflow barely moves.
What it costs in Wilmington
Replacing a single section of duct in Wilmington typically runs $500 to $2,000 including materials, access work, and a final airflow check.
How we do it
We cut out the failed section, measure the replacement to fit without kinks, attach it with sealed connectors, and test the airflow difference at the nearest register.
Ductwork Installation
Signs you need it
A new addition or converted garage needs conditioned air, but no existing duct reaches the space.
What it costs in Wilmington
Adding new ductwork to a room or converted space in Wilmington typically costs $900 to $4,500 depending on run length and the difficulty of the chase.
How we do it
We extend from the nearest trunk with properly sized branch duct, install a register boot and grille, and balance the airflow so the existing system isn’t starved.
What Air Duct Repair Costs in Wilmington
| Item | Typical range in Wilmington |
|---|---|
| Ductwork repair (per leak/joint) | $450 – $1,600 |
| Duct replacement (single section) | $500 – $2,000 |
| Air duct replacement (full system) | $2,400 – $7,600 |
How do I know if my Wilmington ducts need repair or just cleaning?
If rooms stay unevenly heated or a musty odor returns within weeks of cleaning, the ducts are leaking or holding damp debris. Cleaning treats what’s inside; repair fixes the openings pulling crawlspace air and port dust in.
Can you repair ducts in older Wilmington bungalows without tearing out walls?
Yes. Most retrofitted ducting runs through crawlspaces and closets, not behind drywall. We access the material there, seal or replace it, and verify the fix from the register side.
Brands We Service in Wilmington
The equipment running these ducts matters as much as the duct itself. We work around Honeywell and Aprilaire IAQ components, understand Guardsman product chemistry used in sanitizing passes, and can discuss filtration upgrades that match the port-dust reality. See our brands for the full scope of what we service and specify.
See the difference
Before
After
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After
Before
AfterPricing for Air Duct Cleaning Company in Wilmington, CA
| Service | Typical range in Wilmington |
|---|---|
| Air duct cleaning – whole system | $1,315 – $2,403 |
| Ductwork repair | $450 – $1,600 |
| Air duct replacement | $2,400 – $7,600 |
| Duct replacement (single section) | $500 – $2,000 |
| HVAC duct installation | $3,200 – $9,800 |
| Ductwork installation | $900 – $4,500 |
| Dryer vent cleaning | $140 – $260 |
Prices in Wilmington push upward when access is tight, which covers most crawlspaces in the 1920s-to-1950s housing stock. A shallow, poorly sealed system that has been pulling oily soot for decades takes more brush time, more extraction, and sometimes repair before cleaning can even start. Every job gets a written estimate after inspection, and the price on that estimate is the price you pay.
Neighborhoods We Serve in Wilmington
We cover the full spread of Wilmington housing, from the older bungalow blocks near the harbor to the tract homes further east toward the Alameda Corridor. The common thread is age, shallow retrofits, and port dust.
- Wilmington Townsite
- East Wilmington
- Wilmington Harbor
- Avalon Boulevard corridor
- Refinery-adjacent neighborhoods
For most Wilmington addresses, a crew can be on site within one dispatch window Sunday through Friday. Call before the morning fills up, because port-area jobs tend to run long once the Rotobrush goes in.
Service Area – Cities Near Wilmington
Wilmington sits in the middle of a coastal industrial plain, and the same port-dust pattern shows up in neighboring communities. In Harbor City, CA, homes are newer but sit just as close to the corridor truck route. Harbor Gateway South, CA blends 1950s tract housing with older industrial-adjacent blocks where return ducts run through unsealed crawlspaces. Up the hill in Rancho Palos Verdes, CA, the layer changes from port soot to coastal mist, but the duct age is similar. Over in Rolling Hills Estates, CA, larger homes have longer duct runs and newer systems, which means balance problems more than grime. We work all of it with the same source-removal method.
Serving Wilmington, CA – Our Local Coverage Area
We serve Wilmington 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 Company in Wilmington
We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday, and most Wilmington addresses can be scheduled within one or two days. Closed Saturday.
Duct cleaning requires none, and most duct repair falls under routine maintenance. If a job involves re-running large sections of ductwork, ask the city building department whether a mechanical permit applies. We’ll flag it during the estimate.
Yes. A Zip code in 90744 or 90748 is in our service area, though we usually don’t ask for it. We dispatch to the full Wilmington footprint, from the harbor side to the east edge near the rail line.
Call Duct Cleaning Redondo Beach at (877) 358-4828 for a free estimate on air duct repair, complete duct replacement, or whole-system cleaning in Wilmington. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
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 Wilmington Customers Say
"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Scott Ziegler"Job was done well and the house smells better. There was some dust knocked loose around a couple of the registers that I had to wipe down afterward."
- Rafael Reyes"Quoted per system rather than the bait and switch per vent pricing everybody else in town uses. The number I was told on the phone was the number on the invoice."
- Nisha Gupta