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 West Chester
Air duct cleaning in West Chester, PA typically runs $350 – $650 for a full residential system, and most jobs are scheduled within a week of your call. If you live in the Borough’s pre-1920 Victorians or the township developments off Route 3, your ductwork faces different enemies than the houses ten miles east, and that difference matters when you’re choosing who to let into your basement.
We’ve been pulling equipment into West Chester driveways since 2004. Our crews know the split personality of this market: the balloon-frame twins on South New Street with gravity-furnace chases full of coal dust, and the colonials in West Goshen with flex duct baking in unconditioned attics every July. Dispatch and scheduling are coordinated from our Philadelphia office, but the technicians who show up at your door live and work this corridor daily. They know West Chester gets 45 inches of rain a year, that Borough stone foundations weep moisture into basement ducts all summer, and that a standard vacuum pass won’t fix a supply trunk retrofitted into a former coal chute. Call (361) 326-5060 and you’ll reach a live person, not a callback queue.
Why Hollis Air Duct Cleaning Is West Chester’s Preferred Air Duct Cleaning Company
West Chester homeowners don’t call us because we’re the cheapest. They call because the last crew quoted $199, then handed them an $800 invoice at the door. That doesn’t happen here. We write the price before any work starts, and it doesn’t move.
Our reputation in Chester County is built on operational specifics, not adjectives. Technicians arrive inside the quoted window, in uniform, background-checked, and accountable. Every job carries the 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. No negotiation, no runaround.
We answer the phone 24 hours a day, 7 days a week, with a live person. Not a voicemail loop, not a callback queue that dumps you to Monday. For scheduled work in West Chester, that means you can book, confirm, or ask a follow-up question on your timeline, not ours.
Local knowledge matters here in ways it doesn’t in newer markets. A technician who treats a Borough Victorian like a suburban ranch house will miss the disconnected branch runs behind finished plaster, or the crushed flex feeding a second-floor bedroom. We’ve found both. We’ll find yours if it’s there.
Air Duct Cleaning Services in West Chester
Air Duct Cleaning Services in West Chester cover the full removal of accumulated dust, debris, and microbial growth from your supply and return ductwork, using source-removal methods that meet NADCA standards. For a typical West Chester home, residential duct cleaning runs $350 – $550 for a full system, while commercial properties start around $800 depending on square footage and access. Most homeowners in the area need this service every 3 – 5 years, though homes with pets, recent renovations, or the Borough’s chronic basement humidity may need attention sooner.
Residential Duct Cleaning
We clean the full system: supply trunks, return plenums, branch lines, and registers. In West Chester’s older homes, that often means camera inspection first, because we need to see what’s behind the walls before we quote. Our Air Duct Cleaning team uses Rotobrush rotary agitation under negative-air containment to dislodge debris without blowing it into your living space.
Commercial Duct Cleaning
Offices, retail, and multi-unit buildings along Gay Street and the surrounding business district need scheduled cleaning that doesn’t disrupt operations. We work after hours and weekends, with containment protocols that keep your space usable. Pricing starts at $800 for smaller commercial systems in West Chester.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
HVAC Duct Cleaning in West Chester
HVAC Duct Cleaning in West Chester goes beyond the visible registers to address the entire forced-air pathway, including the air handler, blower motor, and coil where microbial growth often re-seeds clean ductwork. A full HVAC duct cleaning in this market typically costs $450 – $650 because it includes the mechanical components that standard duct cleaning skips. Given West Chester’s humid summers and the pollen load that hits Chester County every April, the air handler is often the dirtiest part of the system.
Supply and Return Cleaning
Supply ducts push conditioned air to your rooms; returns pull it back. In West Chester’s split-levels and townhomes, return ducts are frequently undersized and run through unconditioned spaces, making them prime collection points for dust and moisture. We clean both sides, then verify airflow balance before we leave.
Video Inspection and Duct Sealing
Camera inspection lets us show you what we found, not just tell you. In Borough homes, we regularly find disconnected runs, crushed flex, and chase transitions leaking at the foundation wall. When we find it, we seal with mastic, not tape, because tape fails in damp basements. The sealing work is often what actually stops the problem.
Trusted Brands We Service in West Chester
We run professional-grade equipment because homeowner-grade tools leave homeowner-grade results. Our Rotobrush rotary brush systems and Nikro negative-air machines are the same units commercial crews use in hospitals and schools. For filtration and replacement components, we stock Guardsman and Abatement Technologies products suited to the older cabinet sizes common in West Chester’s retrofitted systems. That means faster turnaround when your Borough Victorian needs a filter upgrade that actually fits the original return slot, not a modern size that gaps at the edges.
Common Air Duct Cleaning Problems We See in West Chester Homes
- Coal-chute retrofits in Borough Victorians: Supply trunks wedged into former gravity-furnace chases share air space with stone foundations and dirt crawlspaces. Every blower cycle pulls fine grit and soil gas into the system. A surface clean never reaches the source.
- Crushed flex in attic runs: Township colonials in West Goshen and Thornbury have long flex-duct spans in unconditioned attics where summer heat and spring pollen degrade the liner. We find collapsed sections that strangle airflow to entire zones.
- Basement humidity re-contaminating clean ducts: With 45+ inches of annual rainfall, West Chester’s stone-foundation homes stay damp year-round. Ducts sealed poorly at the foundation wall pull that moisture back in within weeks of cleaning.
- Wrong filter choking the system: Borough retrofits often have undersized returns. A high-MERV filter in an old cabinet restricts airflow so severely it undoes the cleaning and strains the blower motor.
Pricing for Air Duct Cleaning in West Chester, PA
Here’s what air duct cleaning actually costs in the West Chester market, based on the jobs we’ve done here:
| Service | Typical Range |
|---|---|
| Residential full-system duct cleaning | $350 – $550 |
| HVAC duct cleaning (includes air handler) | $450 – $650 |
| Commercial duct cleaning | $800 – $1,500+ |
| Dryer vent cleaning (add-on) | $125 – $175 |
| Duct sealing with mastic (per job) | $200 – $400 |
What moves the price: system size, access difficulty, and whether we find damage that needs repair. A West Goshen colonial with straight attic runs is straightforward. A Borough twin with chases behind finished plaster takes longer and needs camera work. We write the full price before we start, and it doesn’t change at the door. No per-vent add-ons, no “surprise” contamination fees. Call (361) 326-5060 for a free estimate, we’ll give you a real number you can plan around.
We Also Serve Cities Near West Chester
Our crews cover the full Chester County corridor, including Air Duct Cleaning in West Chester and surrounding communities: Exton, Lionville, Malvern, and Downingtown. Each area has its own housing stock and its own duct problems, and we schedule accordingly.
Serving West Chester, PA - Our Local Coverage Area
We’re based in the West Chester 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 West Chester
Because the standard clean never reached the source. In Borough Victorians and twins, the supply trunk was retrofitted into a former coal chute or gravity-furnace chase that shares air space with the stone foundation wall. The blower pulls fine grit and soil gas from that chase every time it kicks on. A surface vacuum of the registers and visible trunk doesn’t seal that transition. We camera-inspect the chase, seal the transition with mastic, and the grit stops. Call (361) 326-5060 if you’re seeing this pattern, we’ll diagnose it properly.
Yes, that’s likely a major factor. Chester County’s spring pollen load is heavy, and flex duct in a hot attic develops micro-leaks at the seams. Pollen and mold spores infiltrate the liner, then the air handler blows them through the house every cooling cycle. Cleaning the ductwork helps, but if we don’t inspect the air handler and blower motor for microbial growth, the system re-seeds itself within weeks. Our HVAC duct cleaning includes those components. Call (361) 326-5060 for an exact quote.
We find them regularly. We pulled into a twin on South New Street where the homeowner complained of black grit on registers every time the heat kicked on. Camera inspection showed the original supply trunk retrofitted into a former coal chute beside the stone foundation, with two disconnected branch runs and crushed flex feeding a second-floor bedroom. We reconnected the runs, sealed the chute transition with mastic, and the grit stopped within a day. It’s not a pitch. It’s the housing stock.
West Chester gets over 45 inches of rain annually, which keeps basement and crawlspace humidity high year-round. In drier climates, a standard clean might last 3 – 5 years with minimal re-contamination. Here, ducts that aren’t sealed at the foundation wall pull damp soil air continuously, re-wetting the supply side and promoting mold growth. That means sealing work is often as important as cleaning, and we factor that into every Borough job. Call (361) 326-5060 and we’ll assess your specific situation.
NADCA Standard 2021 requires source removal of contaminants, protection of the building and HVAC system during cleaning, and verification that the system is clean and operational before departure. We meet or exceed these on every job, and we document with before-and-after photos of your specific ductwork, not stock images. Ask any competitor if they do the same. Then call (361) 326-5060 and we’ll show you what accountability looks like.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving West Chester since 2004.