Greenport homes range from century-old colonials with retrofitted ductwork to new builds with long attic runs, and every one of them circulates whatever has settled inside the ducts. Our negative-air machine seals onto the trunk and puts the whole system under suction before a single run is scrubbed.
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The six services Greenport homeowners call us for most - from a pre-winter trunk cleaning to sealing the basement leaks that bleed heated air. Everything on this page is air duct in Greenport, NY — the work, the local conditions and the coverage.
Cleaning & Care
Air Duct Cleaning
Our negative-air machine seals onto the main trunk duct and puts the whole system under suction first. Then each run is scrubbed individually, so years of dust and debris travel one way only — out of the ducts and into the machine. After a renovation in Greenport, the cleaning clears the drywall dust that would otherwise blow out for years. That is air duct cleaning in Greenport, NY, done the way it should be.
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Cleaning & Care
Air Duct Inspection
For a Greenport home you just bought, the inspection shows what the previous owners left inside the system. A camera goes inside your ductwork so you can see exactly what's in there — buildup, damage or blockages — before we recommend anything. Inspections are free. That is air duct inspection in Greenport, NY, done the way it should be.
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Repair
Air Duct Repair
Crushed, torn or disconnected ducts leak the air you pay to heat and cool. Around Greenport, we repair both original sheet-metal systems and the flex runs added by later renovations. We repair and rebuild damaged sections so airflow is strong and even again. That local standard is what air duct repair in Greenport, NY means with Air Duct Service Co.
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Install & Replace
Air Duct Installation
New duct runs for additions, remodels and system upgrades — sized, sealed and balanced so every room gets its share of heating and cooling. Every new joint is sealed with mastic, because a new duct leaking heated air into a cold attic is wasted from day one. When neighbors talk about air duct installation in Greenport, NY, this is the visit they mean.
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Repair
Air Duct Sealing
Leaky joints quietly waste a big share of your airflow. We seal seams and connections with professional mastic for a tighter, more efficient system. In Greenport, sealing pays back fastest in heating season, when every leak spills air you paid to warm. Air Duct Sealing in Greenport, NY runs on one standard: done properly, checked, and shown to you before we leave.
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Cleaning & Care
Commercial Air Duct Cleaning
Offices, restaurants, retail and multi-unit buildings across Greenport — scheduled commercial duct cleaning with the same negative-air machine sealed onto the trunk, keeping your space comfortable, compliant and breathing clean. Older commercial buildings in New York often carry decades of buildup in their trunks - the inspection shows it plainly. The crews behind commercial air duct cleaning in Greenport, NY are the same ones who cover the ZIP codes listed below.
Get a free estimateNeed something else — a damper, a blower, a smoke problem, a bird in the flue? We cover all 27 air duct specialties. Call (888) 258-5005 and describe it.
A duct system in Greenport heats all winter, cools all summer and runs through basements, attics and wall cavities that were never designed for it. This is what we actually find here, and what we check on every visit.
Every fall in Greenport, the first furnace cycle blows a summer of settled dust off the inside of the ductwork and into the rooms. The burnt-dust smell fades in a day or two, but what caused it - a loaded trunk and dirty returns - stays in the system and recirculates all winter.
Many Greenport houses were built for radiators or stoves and had ductwork threaded through them generations later. Those systems turn sharply, squeeze through joist bays and collect dust at every bend, and their returns are often undersized - all of which an inspection maps before anyone talks about cleaning.
The main trunk in a typical Suffolk County home runs across an unfinished basement, past laundry lint, workshop dust and storage shelves. Gaps at basement joints pull that air straight into the supply side, so the house ends up breathing the basement.
In older Greenport homes, return air often travels through panned joist spaces and wall cavities instead of real duct. Those pathways gather construction debris, insulation fibers and decades of dust, and they leak at every seam - a camera inspection shows exactly what your return air is passing through.
Greenport sits in Suffolk County, and the ZIP list at the bottom of this page covers 1 serviceable ZIP codes — 11944 through 11944. The closest served neighbors are Sag Harbor, Westhampton Beach, Shoreham, and every one of them is covered by the same crews, the same day, under the same number: (888) 258-5005.
Same-day service, free estimates, licensed & insured — and a air duct that lights when you click the remote.
Every Greenport visit runs the same way — booked in one call, checked inside the ducts, and finished with the before-and-after shown to you, not just described.
Call (888) 258-5005 and tell us what the house is telling you — dust that comes back within days, rooms that never quite cool, airflow that feels weak. We book a local Greenport tech, same day whenever a slot is open.
The visit starts with a look inside the ductwork — at the registers and at the main trunk — so the diagnosis is something you can see for yourself, and the inspection is free.
A negative-air machine seals onto the main trunk and pulls debris out under vacuum while each register is cleaned in turn, so the dust leaves through the machine — not into your Greenport home.
You see inside the ducts before we start and after we finish, and any work beyond the cleaning is priced and agreed before it begins. Estimates are always free.
5 stars — based on 100+ reviews. Greenport homeowners rate Air Duct Service Co five stars across Google and Facebook, and they mention the same things: the free inspection, the sealed negative-air setup that keeps the dust out of the house, and ducts they could see before and after. Call (888) 258-5005 and put us to the same test.
That is a summer of dust sitting inside the ductwork getting its first blast of heated air. In Greenport it happens every fall. The smell tells you the trunk and returns are loaded; a cleaning from the main trunk out, done before the season starts, means the first heat cycle blows clean air instead.
Our negative-air machine seals onto the main trunk duct and puts the whole system under suction first. Then each individual run is scrubbed on its own, so loosened dust travels toward the trunk and into the machine - never back into your rooms. Registers are finished last, and you see the before-and-after on camera.
Rooms that lag behind the thermostat, a furnace that runs in long cycles, dust that settles fast after cleaning, and supply registers that blow weakly at the far end of the house. In older Greenport homes, failed tape and separated basement joints are the usual culprits, fixed properly with mastic sealing.
Yes - renovation dust is the heaviest load a system ever takes in. Drywall and plaster dust pack into the trunk during the project and blow out for years. A post-renovation cleaning from the trunk out, plus a fresh filter, closes the project out properly.
Yes - offices, retail, restaurants, schools and multi-unit buildings across Greenport, scheduled around your hours. Commercial systems get the same method: the negative-air machine sealed onto the trunk, every run cleaned individually, and a documented camera record of condition.
No — and be wary of anyone who does. Every duct system is a different size and condition, so a phone price is a guess that changes at your door. Our inspections and estimates are free: a tech looks inside your actual ductwork first, then gives you one clear price before any work starts.
Air Duct Service Co is a national company with local technicians serving Greenport street addresses across the ZIP codes below — same-day service and free estimates, every day 8 AM – 8 PM. More of New York is covered from our New York page. The Greenport list below covers 1 ZIP codes, 11944 through 11944.
Don't see your ZIP? Greenport also uses P.O. Box and single-organization ZIP codes that have no street addresses — call (888) 258-5005 and we will confirm coverage for your street address on the call.
Also serving nearby: Sag Harbor, NY · Westhampton Beach, NY · Shoreham, NY · Port Jefferson, NY · Bellport, NY · Patchogue, NY.
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