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.
Fast, Reliable Air Duct Cleaning Across Mount Vernon
Air duct cleaning in Mount Vernon typically runs $450 – $850 for a full residential system, with most jobs completed in a single visit. Because Mount Vernon’s four-square-mile density makes curb access for truck-mounted vacuums impossible on many north-side streets, we dispatch portable HEPA units with long-reach hose runs – the same negative-air method, adapted to your block’s reality. Our crews serve Mount Vernon from our New York City dispatch office, and we know the difference between a 1920s two-family on the north side with furred-down basement ceilings and a mid-century apartment stack near the downtown corridor. Call (361) 326-5060 for a free written estimate.
Why Hollis Air Duct Cleaning Is Mount Vernon’s Preferred Air Duct Cleaning Company
We’ve been part of the Garrison Partners family since 2004, and our Air Duct Cleaning team has worked enough Mount Vernon basements to know what “original galvanized” actually means in practice. The Garrison Standard requires written prices before any work starts, background-checked uniformed technicians, and a 365-Day Done Right Promise – if the work fails within a year, we return and make it right at no charge, including a free second visit.
Our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues. When you schedule in Mount Vernon, we arrive inside the quoted window, price the job in writing, and leave the site clean. That’s The Garrison Code, not a slogan.
We don’t compete on teaser coupons. We compete on the bid you can trust – one flat price per system, agreed before we touch anything, with before-and-after photos of your own ducts so you know the work happened.
Air Duct Cleaning Services in Mount Vernon
Air Duct Cleaning Services in Mount Vernon mean source removal: we agitate built-up debris inside your supply and return ducts, then extract it under negative pressure so it leaves your house entirely. A typical residential full-system cleaning in Mount Vernon runs $450 – $650 for a single-family or one-unit system, and $650 – $850 for multi-unit setups with branch mapping. Most Mount Vernon homeowners need this every 3 – 5 years, or sooner after renovations, pest intrusion, or visible mold.
Residential Duct Cleaning
We clean the full supply and return network from register to plenum, including the main trunk and branch lines. In Mount Vernon’s older homes, we often find disconnected returns and sagged galvanized sections that need re-support before proper cleaning can happen.

Video Inspection
Before and after camera runs show you exactly what’s inside your ducts. In Mount Vernon’s dense housing, this matters – we use camera inspection to trace hidden branches in furred-down ceilings and verify every line got cleaned, not just the ones you can see.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
HVAC Duct Cleaning in Mount Vernon
HVAC Duct Cleaning in Mount Vernon addresses the entire forced-air system: the ductwork, registers, grilles, and the air handler cabinet where dust collects on blower fins and coils. A typical HVAC duct cleaning in Mount Vernon runs $550 – $750 when combined with coil and blower service. Because Mount Vernon’s humid continental climate pushes heavy pollen through mature street-tree canopies in spring and traps condensation in unheated basement runs all winter, HVAC systems here work harder and collect more biological load than ducts in drier inland climates.
Full System Cleaning
We clean supply ducts, return ducts, and the air handler as one integrated job. Splitting these up leaves debris that recirculates immediately. In Mount Vernon’s multi-family buildings, full-system cleaning requires mapping every branch first – one furnace serving two or three units through add-on ducts means no shortcuts.
Return Duct Cleaning
Returns pull air back to the furnace and are often the dirtiest lines – they’re unfiltered and run through basements where rodents, moisture, and construction debris collect. In Mount Vernon’s pre-1940 housing, returns were frequently modified during oil-to-gas conversions and may need resealing after cleaning.
Trusted Brands We Service in Mount Vernon
We run professional-grade equipment, not hardware-store gear. Our rotary brush systems come from Rotobrush, our negative-air machines from Nikro, and our filtration products from Honeywell, Aprilaire, and Guardsman – the same brands commercial crews specify. We stock common parts and filters for Mount Vernon customers, so if your system needs a media upgrade or a sealed return box after cleaning, we can often complete it same visit without a parts run to White Plains or the Bronx.
Common Air Duct Cleaning Problems We See in Mount Vernon Homes
- Undersized, sagged galvanized runs in north-side two-families. These century-old ducts weren’t built for modern airflow. We regularly re-support or partially rebuild runs before cleaning can be effective – vacuuming a collapsed line just polish
es the debris at the bottom. - One furnace serving multiple units through unmapped add-on ducts. In the older two- and three-family houses, flex runs and sheet-metal branches tangle through furred-down basement ceilings. Without camera mapping, half the system stays dirty.
- Asbestos-wrapped duct sections in older basements. Mid-century oil-to-gas conversions left wrapped pipes and modified plenums. We identify these before disturbance and follow abatement-aware protocols – never grinding, sanding, or aggressive agitation on suspect material.
- Seasonal mold and pollen loading from Mount Vernon’s tree canopy and humidity. Hot, muggy summers grow mildew in cooling coils and damp basement trunks; spring pollen surges coat return grilles. Fall leaf debris pulled into returns creates a second spike. Cleaning timing matters here.
Pricing for Air Duct Cleaning in Mount Vernon, NY
Most full residential air duct cleaning jobs in Mount Vernon fall between $450 and $850, depending on system size, accessibility, and whether we need to re-support or remap ductwork. A straightforward single-unit home with standard basement access and intact ductwork sits at the lower end. Multi-unit buildings with branch mapping, furred-down ceilings, or partial rebuild work run higher. Commercial duct cleaning in Mount Vernon’s apartment buildings and small offices typically starts at $800 and scales with floor count and system complexity.
We give one flat price per system, written down before any work starts. No per-vent pricing. No add-ons at the door. You’ll see before-and-after photos of your own ducts. Estimates are free – call (361) 326-5060.
We Also Serve Cities Near Mount Vernon
Our crews work throughout Westchester County and the Bronx. We regularly schedule Air Duct Cleaning in Mount Vernon alongside jobs in New Rochelle, Yonkers, the Bronx, and White Plains. Same equipment, same written prices, same Garrison Standard.
Serving Mount Vernon, NY - Our Local Coverage Area
We’re based in the Mount Vernon 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 Mount Vernon
Mount Vernon’s four-square-mile density and narrow, tightly parked north-side streets often make curb access impossible for truck-mounted units. We default to portable HEPA negative-air machines with long-reach hose runs – same extraction power, different footprint. Call (361) 326-5060 and we’ll confirm the right setup for your block.
Yes, but only with branch mapping first. We use camera inspection to trace every add-on duct and flex run, then clean each branch under isolated negative pressure so debris doesn’t cross between units. In a 1920s two-family on the north side, one furnace served both units through add-on ducts and flex runs tucked into a furred-down basement ceiling. We mapped every branch before starting, used camera inspection to trace disconnected returns, then re-supported sagged galvanized sections and ran a portable HEPA unit under negative pressure because the narrow street left no room for a truck-mounted vacuum. The couple upstairs had been fighting musty air all summer; after source removal with agitation tools and resealing the return, their allergy complaints dropped noticeably.
Spring, after pollen season peaks, and early fall, before heating season starts, are the two busiest windows for good reason. Mount Vernon’s mature street trees dump heavy pollen in April and May; fall leaf debris gets pulled into returns before winter. We also see high demand after humid summers when mold and mildew have grown in cooling coils. Call (361) 326-5060 to book ahead of the rush.
Many Mount Vernon basements contain asbestos-wrapped ducts from mid-century oil-to-gas conversions. We inspect for this before any agitation work and follow abatement-aware protocols – no grinding, no sanding, no disturbance of suspect material. If we find it, we’ll explain your options and can coordinate with certified abatement partners if removal is needed before cleaning proceeds. Call (361) 326-5060 for an inspection.
No – dryer vent stack cleaning is a separate service, though we offer it. Shared vertical stacks in Mount Vernon’s apartment buildings require different tools and NFPA 96-aware protocols than HVAC ductwork. If you’re a building manager or owner, ask us about bundling both services. Call (361) 326-5060 for building-wide pricing.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Mount Vernon since 2004 as part of the Garrison Partners family.




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