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 Chelsea
Air duct cleaning in Chelsea, MA typically runs $350 – $650 for a whole residential system and is scheduled within a few business days, with our Boston office coordinating dispatch to your neighborhood. We’re familiar with the tight streets around Cary Square and Prattville, the triple-decker parking situation, and the shared duct systems that dominate Chelsea’s housing stock. If you’re waking up congested, smelling musty air from the vents, or watching your energy bills climb, call us at (361) 326-5060. We’ll give you a written price before any work starts, and every job carries our 365-Day Done Right Promise.
Why Hollis Air Duct Cleaning Is Chelsea’s Preferred Air Duct Cleaning Company
We’ve been serving the Chelsea market since 2004 as part of the Garrison Partners family, and our reputation here is built on showing up inside the window, pricing in writing, and leaving the site clean. Our Air Duct Cleaning in Chelsea crews know the difference between a single-family on Bellingham Street and a stacked triple-decker off Broadway, and they adjust the scope accordingly. Background-checked, uniformed technicians arrive with Rotobrush rotary systems and Nikro negative-air machines, the same tools commercial crews use. Phones are answered by a live person 24 hours a day, 7 days a week, no voicemail loops. Roy Castellanos and our team stand behind every job with a full-year guarantee: if the work fails, we come back at no charge, including a free second visit.
HVAC Duct Cleaning in Chelsea
HVAC Duct Cleaning in Chelsea means addressing entire shared systems in triple-deckers, not just the registers you can see from your apartment. A typical residential HVAC duct cleaning here runs $450 – $750 depending on system size, accessibility, and whether we find moisture damage that needs documenting. We use the negative-air method, hooking a Nikro machine to your trunk line to pull debris out under controlled suction rather than blowing it through your living space. For Chelsea’s older buildings, we often pair this with rotary brush agitation from our Rotobrush system to knock loose the rust flakes and compacted dust that settle in galvanized ducts after decades of use.
Shared Trunk Systems
In Chelsea’s triple-deckers, one furnace or air handler frequently feeds ducts that branch across two or three stacked units, so cleaning one apartment’s supply and return ducts without addressing the shared trunk just redistributes debris to the neighbors above and below. We map the full system before we start, and we coordinate with building owners when the scope crosses unit lines.
Attic and Crawl Space Runs
Many Chelsea ducts run through unheated attics and damp basements where condensation breeds rust and mold. We inspect these runs with a camera before quoting, because cleaning wet ducts without fixing the moisture source wastes your money.
Vent Cleaning in Chelsea
Vent Cleaning in Chelsea covers supply vents, return grilles, and the branch lines that connect them to your central trunk, with typical residential pricing at $250 – $450 for a thorough job. This is not a surface wipe of the register cover. We remove each vent, agitate the duct behind it, and extract debris with HEPA-filtered equipment so nothing resettles in your unit. In Chelsea’s dense housing, vent cleaning often reveals the real problem: a shared return pulling air from three floors through a trunk that hasn’t been touched in twenty years.
Dryer Vent Stacks
Triple-deckers frequently share a vertical dryer vent chase, meaning a blockage on the top floor can force lint back down into lower units. We clean the full stack, not just the section behind your dryer, and we check the termination cap on the roof or exterior wall.
Register and Grille Detailing
We hand-clean every register and return grille, removing the fine dust that builds up on louvered surfaces. In Chelsea’s older homes, these often have layers of paint and accumulated grime that standard vacuuming won’t touch.
Trusted Brands We Service in Chelsea
Our equipment roster includes Rotobrush rotary brush systems for mechanical agitation, Nikro negative-air machines for controlled debris extraction, and filtration products from Honeywell and Guardsman. We stock common fittings and replacement media for Chelsea customers so we’re not waiting on parts while your system sits open. When a duct sealing job calls for mastic and reinforcement, we source materials sized for the smaller-diameter branch lines common in pre-1950 construction. The turnaround on most Chelsea jobs is same-week once we complete the camera inspection and written quote.
Common Air Duct Cleaning Problems We See in Chelsea Homes
- Shared return trunks redistributing debris. One unit’s cleaning stirs up dust that settles in the neighbor’s ducts below. We seal and isolate sections during cleaning, then verify airflow balance before we leave.
- Condensation in attic runs near Cary Square and Prattville. Cold New England air hits warm duct surfaces in unheated attics, creating rust and mold. We document this with video and recommend insulation or sealing before the moisture destroys the metal.
- Stacked dryer vents with partial blockages. A lint clog on the third floor backs pressure into the second-floor unit, extending dry times and creating fire risk. We scope the full vertical chase and clean to the termination.
- Basement mustiness after cleaning. Poorly ventilated crawl spaces and cellars common in Chelsea’s older homes hold humidity that returns through the duct system. We check for standing water and recommend dehumidification if needed.
Pricing for Air Duct Cleaning in Chelsea, MA
A typical residential HVAC duct cleaning in Chelsea runs $450 – $750. Vent cleaning alone, for supply and return branches without full trunk work, runs $250 – $450. Whole-system cleaning including trunk lines, all branches, and video inspection runs $550 – $850 for most triple-decker units. Commercial systems and larger multi-family buildings start at $800 and scale with access difficulty and system complexity. What moves the price: how many units share the trunk, whether we need attic or crawl space access, the condition of the existing ductwork, and whether we find moisture damage that requires documentation before cleaning proceeds. We give one flat price per system, agreed in writing before any work starts. No per-vent pricing, no add-ons at the door. Estimates are free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Chelsea
Our crews work throughout the metro area, including Chelsea neighbors in Everett, Revere, Malden, and Boston itself. Dispatch and scheduling are coordinated from our Boston office, with local crews serving each community. The same written pricing, background-checked technicians, and 365-Day Done Right Promise apply across the service area.
Serving Chelsea, MA - Our Local Coverage Area
We’re based in the Chelsea 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 Chelsea
No, not effectively. Cleaning only your branches while the shared trunk remains loaded with debris just recirculates dust back into your unit within days. We map the full system, clean the shared trunk under negative pressure with HEPA containment, and coordinate with your landlord or building owner when access crosses unit lines. Call (361) 326-5060 and we’ll inspect the layout before quoting.
Cold, damp New England winters hit warm duct metal in unheated Cary Square attics, causing condensation that rusts galvanized steel from the inside out. Poor attic ventilation makes it worse. We find this on camera inspections regularly, and we’ll show you the condition before we quote cleaning. Fixing the moisture source, insulation, or sealing comes first, or the rust returns.
Yes. EPA studies consistently find indoor air concentrations of some pollutants two to five times higher than outdoor levels, and in dense urban areas like Chelsea with legacy industrial activity and tight triple-decker construction, that gap can widen. Duct cleaning removes the accumulated reservoir of dust, skin cells, and debris that holds these pollutants. Call (361) 326-5060 for a free estimate on your system.
We stage equipment at the nearest legal parking and run hoses through the building entry, or we coordinate with building management for temporary access. Our Nikro negative-air machines and Rotobrush systems are portable enough for Chelsea’s tight streetscape. We’ve worked on triple-deckers with no off-street parking at all; access planning is part of every quote.
Musty odor after cleaning usually means moisture in the duct system or the basement itself, not the cleaning process. Chelsea’s older homes have poorly ventilated cellars and crawl spaces where humidity breeds mold. We check for standing water, saturated insulation, and duct leaks pulling basement air. If we find it, we’ll document it and recommend sealing or dehumidification before the problem repeats. Call (361) 326-5060 and we’ll investigate.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Chelsea since 2004.




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