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 Downtown Los Angeles
Air duct cleaning in Downtown Los Angeles typically runs $450 to $1,200 for a full system on a one-bedroom unit, and $700 to $1,800 for a two-bedroom loft. Most jobs are done in one day. The price depends on system size, accessibility, and whether you’re in a converted loft with original ductwork or a newer high-rise build. If your ducts are pumping dust every time the AC kicks on, call us at (626) 469-5477 and we’ll give you a written price before anyone touches a vent.
We work in Downtown Los Angeles every week. We know the loading docks, the freight elevators, the building managers who require COIs before a crew steps inside. Our team navigates the parking situation, gets the equipment up to your floor, and works clean. No shortcuts because the building is difficult. That’s the whole job.
Why Hollis Air Duct Pasadena Is Downtown Los Angeles’s Preferred Air Duct Cleaning Company
We run every Downtown Los Angeles job the same way: written price before work begins, a crew that shows up uniformed and background-checked, and a written 365-Day Done Right Promise. That means if something isn’t right within a year, we come back and make it right at no charge. Not a prorated credit. A return visit.
Our Air Duct Cleaning crews understand what dense downtown living does to a duct system. Converted lofts, mid-century high-rises, new builds with shared mechanical rooms. Each one presents a different challenge, and we’ve seen them all. Roy Castellanos, who leads our team, has spent years mapping the building types across the Historic Core, South Park, and the Arts District. That local knowledge means we don’t waste your time figuring out how your building works.
We answer the phone around the clock. No answering service that takes a message and forgets it. A live person picks up, every time. When you call about air duct cleaning in Downtown Los Angeles, you talk to someone who can schedule the job, explain the process, and give you a straight answer about pricing.
Styles & brands we work with




Air Duct Repair in Downtown Los Angeles
Air Duct Repair in Downtown Los Angeles is different from repair work you’d see in a single-family home in Pasadena. We’re often working inside walls and plenum spaces in buildings where the ductwork hasn’t been touched in 60 years. Corrosion, disconnected joints, crushed flex runs, and holes eaten through galvanized steel by decades of condensation are the issues we find most. A repair in a Downtown LA loft typically runs $250 to $900 depending on what’s damaged and how much access the building gives us.
Sealing Leaks and Patching Corrosion
Older galvanized ductwork in the Broadway corridor and the Historic Core tends to rust at the seams. We locate the leaks with camera inspection, then seal them with mastic or replace the damaged section. A properly sealed system means your conditioned air goes into your living space, not into a wall cavity. That’s money back in your pocket every month.
Reconnecting Disconnected Runs
In converted industrial buildings, we regularly find duct runs that have pulled apart at the joints. This is common when a building shifts or when previous renovations were done in a hurry. We reconnect the runs, seal the joints properly, and verify the airflow with a pressure reading before we leave. No guesswork.
Ductwork Cleaning in Downtown Los Angeles
Ductwork Cleaning in Downtown Los Angeles has to account for one thing most suburban jobs don’t: shared duct risers. In buildings across the Arts District and the Historic Core, your supply and return lines often connect to a central stack that serves multiple units. That means a proper cleaning has to include camera inspection to map how far your system runs and where it ties into the shared infrastructure. A typical ductwork cleaning here runs $400 to $1,100 for a loft unit, depending on square footage and how much buildup we’re dealing with.
Negative-Air Cleaning for Dense Buildup
We use Nikro negative-air machines to pull a vacuum on the entire system while rotary brushes from Rotobrush agitate the buildup off the duct walls. The vacuum captures the debris before it can escape into your unit. In older galvanized systems, this is the safest way to clean without damaging metal that’s already thin from age.
HEPA-Filtered Source Removal
The dry soot and fine particulate that builds up in Downtown LA ducts needs more than a shop vac. Our equipment runs through HEPA filtration so the dust we stir up gets captured, not redistributed through your loft. When we finish, we clean the supply and return registers and check the air handler for buildup. The result is cleaner air moving through a cleaner system.
Trusted Brands We Service in Downtown Los Angeles
We work on whatever’s already in your building, and we stock the common parts for Downtown Los Angeles’s typical equipment. That includes Carrier service in Downtown Los Angeles and components from Aprilaire, Abatement Technologies, and Rotobrush. If your building runs Honeywell filtration or a Guardsman filter setup, we know those systems and we carry the right replacement filters. If we don’t have a part on the truck, our Los Angeles office coordinates parts delivery fast so you aren’t waiting two weeks for a follow-up visit.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Downtown Los Angeles Homes
- Shared riser contamination: A neighbor’s cooking odors, renovation dust, or even pest debris from three floors down can move through the shared stack and into your unit. A single-unit cleaning only fixes your side of the system, which is why we recommend a camera inspection to see what’s actually coming through.
- Decades of urban soot in original galvanized ducts: Many buildings in the Historic Core and along South Spring Street still run their original ductwork. That metal has been collecting fine particulate from decades of downtown traffic and construction. Cleaning it properly takes negative-air equipment, not a brush on a drill.
- Corrosion pinholes and seam leaks: Condensation from constant AC use in the warm months attacks old galvanized steel. The result is pinholes, rust flakes, and leaks at the seams. We find these with camera inspection and seal them before they put dust back into your air.
- Restricted access and loading dock limitations: Some buildings only allow service work during specific hours, or require a certificate of insurance before anyone sets foot on the property. We handle that paperwork. We also coordinate with building managers so our equipment gets to your floor without creating drama in the lobby.
Pricing for Air Duct Cleaning in Downtown Los Angeles, CA
Here are honest ranges for Downtown Los Angeles. A one-bedroom loft runs $450 to $800. A two-bedroom unit runs $700 to $1,400. Larger lofts or units with long duct runs and shared risers run $900 to $1,800. Duct repair is separate and runs $250 to $900 depending on what we find. Dryer vent cleaning is $150 to $350 depending on run length and access. Every quote is a written flat price, agreed before we begin. No per-vent pricing. No “surprise” line items once the technician is inside. Call (626) 469-5477 and we’ll give you a real number before you commit to anything.
We Also Serve Cities Near Downtown Los Angeles
We work throughout Air Duct Cleaning in Downtown Los Angeles and the surrounding area, including Pasadena, Glendale, Burbank, and East Los Angeles. If you live in a condo or house just outside the downtown core, we bring the same written pricing and 365-Day Done Right Promise to every job.
Serving Downtown Los Angeles, CA - Our Local Coverage Area
We’re based in the Downtown Los Angeles 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 Downtown Los Angeles
A shared riser means we can’t fully isolate your system, so the process starts with camera inspection to map where your ducts tie into the building stack. From there we clean your side of the system with negative-air equipment that pulls debris backward toward the vacuum, preventing it from pushing into neighboring units. We’ll also flag issues in the shared riser that need to go to your building manager. If you’re dealing with recurring dust or odors, call (626) 469-5477 and we’ll explain what’s actually happening in your system.
A single-family home job usually takes 3 to 5 hours with one crew. A Downtown LA high-rise or converted loft takes 4 to 8 hours, depending on access, freight elevator availability, and whether we need to work around building restrictions. Some buildings require scheduled maintenance windows, which is a normal part of the process. We coordinate with your building manager so the work gets done on time.
Downtown Los Angeles sits in a semi-arid basin with frequent temperature inversions that trap fine particulate over the city. That dust gets pulled into your building’s intake, pushed through shared risers, and deposited in your ducts. Dense urban living means more people, more heat, more cooking, more construction, all moving air through the same shafts. A loft in the Arts District will accumulate buildup faster than a single-family home in Pasadena simply because of the shared air and the particulate load. Plan on cleaning more frequently.
Yes. We clean dryer vents as a standalone service for $150 to $350 depending on how long the run is and how accessible the termination point is. If the vent is part of a shared stack, we’ll document the condition with photos and let you know if there’s a clog or fire hazard that involves the building. The cleaning itself is straightforward, and our written price means you know what you’ll pay before we arrive. Call (626) 469-5477 to get something scheduled.
We use camera inspection first to identify thin spots, corrosion, and weak seams, then we run rotary brushes at controlled speeds so we don’t tear through metal that’s already compromised. Negative-air machines handle the debris without us having to scrape aggressively. When we find damage, we document it and give you a written repair quote before proceeding. No surprises, no damage done under time pressure.
Written by Roy Castellanos, Owner at Hollis Air Duct Pasadena, serving Downtown Los Angeles with disciplined, written-price air duct cleaning since 2004.