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.
Before
After
Before
After
Before
AfterFast, Reliable Air Duct Cleaning Across Gardena
Air duct cleaning in Gardena typically runs $350 – $650 for a full residential system, with most jobs scheduled within a few days and completed in three to five hours. We’re Hollis Air Duct Cleaning, part of the Garrison Partners family, and our crews serve Gardena from our Los Angeles office. We know the city’s 1950s – 60s tract homes off Western and Normandie, the low-clearance attics in the Monterey Park tract, and the converted-garage plenums near Artesia Boulevard that define this market’s ductwork challenges. Call (361) 326-5060 for a free estimate with a written price before any work starts.
Why Hollis Air Duct Cleaning Is Gardena’s Preferred Air Duct Cleaning Company
We’ve been in business since 2004, and our Air Duct Cleaning team has built a reputation in the South Bay by showing up inside the quoted window, pricing in writing, and leaving the site clean. Gardena homeowners know the bait-and-switch routine: a $49 coupon that balloons to $800 once the van is in the driveway. We don’t operate that way. The price is written down before we touch your system, and it doesn’t move at the door.
Our technicians are background-checked and uniformed, and we follow The Garrison Standard on every job: arrive inside the window, price in writing, complete the work by the book, and leave the site clean. Every job carries our 365-Day Done Right Promise in writing. If the work fails within a year, we come back and make it right at no charge, including a free second visit.
Phones are answered by a live person 24 hours a day, seven days a week. No voicemail loops, no callback queues, no waiting until Monday.
Ductwork Cleaning in Gardena
Ductwork Cleaning in Gardena is usually restorative work on half-century-old systems rather than routine maintenance on modern ductwork. The city’s dominant housing stock – 1950s – 60s single-story stucco tract homes on small lots with slab-on-grade construction – means we’re often cleaning rigid sheet-metal branches with aging flex connections that have never been touched since the original build. A typical full-system Ductwork Cleaning in Gardena runs $350 – $650 for residential properties, with commercial systems starting around $800 depending on square footage and access.
Supply Branch Cleaning
Supply branches deliver conditioned air to your registers. In Gardena’s older tracts, these are typically short, rigid sheet-metal runs with original flex connectors near the air handler. We use Rotobrush rotary brush systems to agitate debris off the interior walls while a Nikro negative-air machine maintains suction so nothing escapes into your living space. The combination matters: brush without suction just moves dust around; suction without brush leaves adhered buildup in place.
Return Path Restoration
Return paths pull air back to the handler for reconditioning. This is where Gardena’s homes show their age. Original return plenums in converted garages or low-clearance attics were often built with exposed framing and no sealed ducting to modern standards. We clean what we can reach, document what we find on camera, and quote sealing work separately if the plenum is open to wall cavities or the garage. The cleaning is step one; Duct Sealing in Gardena is what keeps it clean.
Air Duct Inspection in Gardena
Air Duct Inspection in Gardena should be the first move for any homeowner in a 1950s – 60s tract who hasn’t seen inside their ducts. We run a lighted video camera through the full system – supply branches, return paths, plenums, and the air handler cabinet – to show you exactly what we’re dealing with before we quote cleaning or repairs. A residential Air Duct Inspection in Gardena typically costs $150 – $250, and that fee is applied toward any cleaning work you approve. Commercial inspections for Gardena’s retail spaces along Redondo Beach Boulevard or Rosecrans Avenue start around $300.
Video Documentation
You see what we see. The camera records stills and video of debris buildup, disconnected runs, crushed flex, rodent evidence, and moisture staining. In Gardena’s climate, that moisture is the key finding: marine-layer humidity keeps biological growth active year-round, and we flag areas where the duct envelope is open to humid wall cavities or crawlspaces.
System Performance Check
We measure static pressure, register airflow, and blower motor amp draw before and after any work. In the 1958 tract home off Normandie near 168th, we documented a 23% improvement in register airflow after cleaning and re-sealing an open return plenum. Numbers don’t depend on salesmanship.
Trusted Brands We Service in Gardena
We carry professional-grade equipment and filtration products from Rotobrush, Nikro, Abatement Technologies, Aprilaire, and Guardsman. Rotobrush rotary brush systems handle the agitation work in Gardena’s older rigid metal ducts; Nikro negative-air machines maintain HEPA-filtered containment so debris doesn’t migrate into your home during cleaning. For filtration upgrades, we stock Aprilaire and Guardsman media that fit the return grilles and air-handler cabinets common in postwar Gardena tracts. Parts are on the van, so we’re not ordering and rescheduling.
Common Air Duct Cleaning Problems We See in Gardena Homes
- Unsealed return plenums in converted garages. Original 1950s builds off Western and Normandie often vented return air through the garage or a closet with exposed framing and no ducted seal. Rodent droppings and marine-layer debris get pulled straight into your system. Cleaning helps; sealing stops the recontamination.
- Crushed or disconnected flex connectors behind the air handler. The short flex jumpers between rigid branches and the handler cabinet collapse over decades, especially in low-clearance attic chases where a tech can’t stand upright. We find them flattened to a fraction of their design diameter, choking airflow to entire zones.
- Year-round biological activity from humid coastal air. Gardena’s South Bay location means ducts rarely dry out fully. Mold, mildew, and dust-mite allergens accumulate continuously instead of being baked off in summer heat. A cleaning without addressing source removal and filtration upgrade typically relapses within a season.
- Wildfire smoke residue after major South Coast Air Basin events. Smoke particulates from regional fires push into duct systems through every leak point. Gardena homeowners often schedule inspections in October and November after heavy fire seasons, and we find ash residue in return paths that standard household filters never caught.
Pricing for Air Duct Cleaning in Gardena, CA
Here’s what we charge for Air Duct Cleaning in Gardena. These are whole-system prices, not per-vent teasers that triple at the door.
| Service | Typical Range in Gardena |
|---|---|
| Residential full-system cleaning (up to 12 vents) | $350 – $650 |
| Residential with duct sealing included | $550 – $950 |
| Commercial system cleaning | $800 – $1,800 |
| Video inspection (applied to cleaning) | $150 – $250 |
| Dryer vent cleaning (add-on) | $125 – $225 |
What moves the price: number of supply and return branches, accessibility (crawlspace vs. garage vs. attic), whether sealing work is needed, and contamination level. Rodent debris or heavy mold requires additional containment and disposal steps. We write the price down before we start, and it doesn’t change. Call (361) 326-5060 for an exact quote – estimates are free.
We Also Serve Cities Near Gardena
Our crews work throughout the South Bay and surrounding communities. We regularly schedule jobs in Gardena as well as Lawndale, Hawthorne, Compton, and Torrance. Dispatch and scheduling are coordinated from our Los Angeles office, with local technicians serving each area.
Serving Gardena, CA - Our Local Coverage Area
We’re based in the Gardena 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 Gardena
Because the original 1950s – 60s ductwork in Gardena’s tract homes was built to a lower standard than modern code requires. Unsealed return plenums, crushed flex connectors, and open framing in converted garages mean a cleaning call often reveals structural problems that recontaminate the system within weeks if left unsealed. We document everything on camera, quote the repair separately, and you decide what to approve. Call (361) 326-5060 for an inspection that shows you exactly what’s needed.
Disconnected or crushed flex behind the air handler, rodent debris in unsealed return plenums, moisture staining from marine-layer humidity, and ash residue after wildfire season. The inspection takes 45 – 90 minutes and gives you video evidence of every finding. Most Gardena homeowners who haven’t had their ducts opened in 20-plus years are surprised by what the camera shows.
Yes. The onshore flow off Santa Monica Bay keeps Gardena’s air humid year-round, and ducts in slab-on-grade homes with low-clearance attics rarely dry out fully. That moisture keeps mold, mildew, and dust-mite allergens biologically active instead of desiccating between seasons. Cleaning removes the buildup; upgrading to a higher-MERV filter and sealing duct leaks addresses the source.
Yes, after major South Coast Air Basin fire events. Smoke particulates penetrate through every gap in the duct envelope and accumulate in return paths. We see elevated call volume from Gardena in October and November following heavy fire seasons, and inspections consistently show ash residue that standard 1-inch fiberglass filters never captured.
Rotobrush rotary brush systems for agitation inside rigid sheet-metal branches, Nikro negative-air machines with HEPA filtration for containment, and video inspection cameras for documentation. In tight clearances – low attics, converted-garage plenum closets – we use compact brush heads and flexible rods that navigate where standard equipment won’t fit. The tools are professional-grade, not hardware-store rentals.
Off Normandie near 168th, we opened a 1958 single-story stucco tract home whose original rigid sheet-metal branches fed three bedrooms but whose return plenum in the converted garage had no seal – exposed framing and rodent droppings were visible on camera inspection. Using Rotobrush agitation tools under negative pressure with HEPA filtration, we pulled the debris from the supply and return ducts, found one crushed flex connection behind the air handler, and re-sealed the plenum. The blower motor amp draw dropped and the homeowner’s register airflow measurably improved.
In Gardena’s 1950s – 60s slab-on-grade tract homes, the low-clearance attics and converted-garage plenum closets mean return-air runs are often unsealed, so techs regularly pull rodent and marine-layer debris in through open plenum joints that were never ducted to modern standards. Because the marine layer keeps these ducts humid year-round, that debris stays biologically active instead of drying out between seasons. This is why a standard cleaning quote from a coupon outfit often falls short: they’re pricing maintenance on a system that needs restoration.
Ready to see what’s inside your ducts? Call (361) 326-5060 for a free estimate. We’ll show up in the window we promised, write the price before we touch anything, and stand behind the work for 365 days.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Gardena and the South Bay.