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 West Covina
Air duct cleaning in West Covina runs $425 – $875 for a full single-system home, with a standard job taking 3 to 5 hours. We’re Duct Cleaning Pomona, led by Barry Walsh, and we’ve worked in West Covina since 2015. If you’re seeing dust on registers after a wind event or your AC has been running hard through another dry valley summer, call (833) 589-9571. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. The estimate is free and the written quote is the price you pay.
Why West Covina Homeowners Call Duct Cleaning Pomona for Air Duct Cleaning
Most of the homes we service in West Covina were built between the 1950s and 1970s. That means original sheet-metal trunk lines and early flex runs, often running through hallway closets and low attic returns. These systems weren’t designed for easy access, and they hold decades of fine dust. Homeowners near the 91791 and 91792 foothill edges tend to call us after a Santa Ana event, when ash and grit have visibly coated every register in the house. The calendar doesn’t decide when ducts need cleaning here, the wind does.
Our air duct cleaning approach is built around source removal, not air-blowing. We run Rotobrush contact-cleaning tools through the supply and return side, then back it with Nikro HEPA negative-air extraction. That means the dust we knock loose gets pulled out of the house instead of recirculated through it. For an older West Covina system with leaky joints, that distinction is the whole job.
Barry Walsh has built the company around a simple standard: clean it, then fix it. If we find a crushed flex run or a disconnected return during the cleaning, we can repair it on the same visit. Most duct cleaners can only point at the problem. We can actually do something about it.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Cleaning Services in West Covina
Air Duct Cleaning Services in West Covina cover the full path your conditioned air travels: supply ducts, return ducts, the air handler, and the registers. A proper job on a typical 1,500 – 2,200 square foot tract home takes most of a morning or afternoon. We run Rotobrush agitation through every reachable run, extract with Nikro negative-air machines, and leave Abatement Technologies-grade filtration running during the entire process. You’ll see photos of what we pulled out when we’re done.
Supply and Return Duct Cleaning
Supply ducts push conditioned air into rooms. Return ducts pull it back to the air handler. In West Covina, both sides load up. The return side pulls in whatever Santa Ana winds push against the exterior intake, and the supply side distributes that fine particulate through every register. We clean both, separately, because a job that only does one side is half a job.
Full System Cleaning and Video Inspection
Full system cleaning means we don’t skip the plenum, the air handler cabinet, or the transitional connectors. After cleaning, we run a video inspection through representative runs so you can see the condition of the metal and flex. For older West Covina homes with original ducting, that inspection often finds small tears or disconnected joints that explain why airflow has felt weak in certain rooms.
A typical full-system cleaning in West Covina runs $425 – $600 for a single-zone house with one air handler. Larger two-story homes or systems with extensive flex runs run $650 – $875. The written estimate is the final price, and it covers the whole system, not a per-vent upsell.
HVAC Duct Cleaning in West Covina
HVAC Duct Cleaning in West Covina is more involved here than in newer construction, because a large share of local systems are original or re-worked forced-air ducting from the mid-century build-out. Sheet metal in those homes is often undersized for modern AC loads, which means air velocity runs higher and dust impaction on bends and joints gets worse over time. When we clean, we’re often working around interior closet access points and low attic returns that make the job slower and more deliberate.
Older Tract Home Systems
In the 91790, 91791, and 91792 zip areas, the ranch-era layouts put return air paths through hallway closets and wall cavities. The long flex returns buried in those closets are where the worst buildup hides, because homeowners never see them. We go in from the register side and from the air handler side, and we physically scrub those runs rather than hoping air pressure does the job. Air pressure doesn’t.
Post-Event Cleaning
After a smoke or wind event, West Covina homeowners call us because the air in the house smells like wildfire or because dark dust has appeared on every horizontal surface. That’s not a routine maintenance issue. It’s concentrated particulate that got pulled into the return air and spread through the supply side. Post-event cleaning needs negative pressure and HEPA capture, not a happy little brush job. Our Nikro machines were built for this.
Post-event HVAC duct cleaning in West Covina typically runs $500 – $750, depending on system size and how much ash has worked into the plenum. If you’ve had prolonged exposure to wildfire smoke, call (833) 589-9571 for a free estimate. We answer 24/7.
Trusted Brands We Service in West Covina
Our technicians work alongside Honeywell and Aprilaire whole-home IAQ systems, which means we understand how your filtration and humidity control interacts with the ductwork. We deploy Rotobrush for contact cleaning, Nikro for negative-air extraction, and Abatement Technologies filtration standards on every job. If your West Covina system has a Guardsman or Aprilaire media cabinet downstream of the air handler, we can clean around it properly and tell you if the duct side is contributing more particulate than the filter was ever designed to handle.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in West Covina Homes
- Wind-driven ash and dust loading. West Covina sits directly downwind of Santa Ana wind corridors and below the brush terrain above the valley. After a wind or smoke event, the return side pulls in fine ash that coats the blower, the plenum, and the supply runs. That’s a source-removal job, not a fogging job.
- Long flex returns buried in hallway closets. Mid-century ranch homes hide duct runs behind closet walls and under low attic access. These runs collect decades of dust because nobody can see them. We find the worst buildup there on a regular basis.
- Leaky joints in original sheet-metal ducts. Older West Covina systems weren’t sealed the way modern code requires. The negative air side pulls in dust from wall cavities and the attic, and the supply side pushes conditioned air into dead space. Cleaning without sealing or repairing those joints means the dust comes back fast.
- Fogging and ‘sanitizing’ upsells that did nothing. We hear this constantly from West Covina homeowners. A previous company fogged the ducts, the smell went away for a month, and then the dust came back. Fogging masks odor. It doesn’t remove the material causing it.
Pricing for Air Duct Cleaning in West Covina, CA
Here’s what to expect for a single-system home in West Covina. Full air duct cleaning runs $425 – $600 for a typical one-story ranch with one air handler. Two-story homes or systems with extensive flex runs run $650 – $875. Adding dryer vent cleaning runs $125 – $175 and is worth doing while we’re there, particularly in older laundry rooms where the vent is a long horizontal run. Video inspection is included with full system cleaning. Structural repairs found during service get a separate written estimate before any work is done. The estimate is free. The written quote is the price. Call (833) 589-9571 and we’ll put numbers on paper before anything starts.
We Also Serve Cities Near West Covina
Our crews work throughout the eastern San Gabriel Valley. Beyond West Covina, we regularly service La Puente, Covina, Diamond Bar, and San Dimas. If you’re just outside the city line or managing a rental property across several valley cities, the same truck, the same equipment, and the same pricing standard apply. Just call (833) 589-9571 and tell us where you are.
Serving West Covina, CA – Our Local Coverage Area
We serve West Covina 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 in West Covina
We recommend an inspection every one to two years for most West Covina homes, with actual cleaning done on an event-driven schedule. What that means: if you see ash on window sills or smell smoke indoors after a Santa Ana event, the ducts got a dose of it too. Homes near the foothill edges in 91791 and 91792 should be cleaned after any significant smoke or wind season. Homes further from the hills can often go 2 to 3 years, but the AC system in a hot inland valley runs hard every summer, so don’t assume clean ducts just because you don’t see dust. Call (833) 589-9571 and we’ll do a video inspection to give you an honest read.
No. Fogging or spraying a sanitizer in the ducts does not remove the dust, ash, or debris that’s causing the problem. It coats the material and temporarily masks odor, but the source material stays in the duct. Within weeks, the smell returns because the dust is still there. Fogging also doesn’t touch the airflow restriction caused by built-up debris on the blower and coil. Source removal using contact cleaning and negative-air extraction is the only method that actually clears the system. If someone offers to fog your West Covina ducts for a few hundred dollars, you should ask what they’re actually removing. The answer is usually nothing.
Older ranch homes in West Covina take longer to clean because the duct access is poor and the runs are long and often buried in closets or low attic spaces. Mid-century tract construction didn’t prioritize duct access. The return side is often a wall cavity with a register at the bottom and the actual duct connection two feet up inside the wall. Cleaning those runs means working from the register side, the air handler side, and sometimes cutting a temporary access that we seal properly afterward. It’s slow, careful work. Faster isn’t better here. It’s just skipping the hard parts.
A camera inspection shows you what’s actually inside the duct before we start and after we finish. For West Covina systems with 40 to 60 years of unknown history, that’s not optional. The camera finds disconnected joints, crushed flex, rodent debris, or old water staining that you’d never know about otherwise. After cleaning, the same camera pass proves the metal is actually clean, not just blown around. We show you what we found. That’s the standard, and it’s included with full system cleaning.
Yes, with a caveat. The inside of a duct is the part you can’t see. The return side behind a hallway wall in a West Covina ranch home can hold an inch of fine gray material and never show a single speck on your furniture. What you’ll notice instead is airflow decline, an AC system that runs longer, or a musty smell when the blower kicks on. If you have allergies, long-haired pets, or recently did a remodel, the ducts got a load of particulate whether you see it or not. The caveat: a cheap blow-and-go cleaning won’t do much for a system in that condition. Contact cleaning and negative pressure will. Call (833) 589-9571 for a free estimate and a camera inspection. We answer 24/7.
When we work in West Covina, we’re cleaning systems built for a different era and a different climate. The Santa Ana winds push fine ash and grit into return air, the dry valley summers keep the AC running for months, and the older ductwork holds onto everything that passes through. A proper clean here means physically scrubbing the runs, pulling the loosened material out with HEPA negative air, and then fixing the structural problems the camera finds. That’s the job. We do it properly, and we show you the evidence when we’re done.
Call (833) 589-9571 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by Barry Walsh, Owner at Duct Cleaning Pomona, serving West Covina since 2015.