From oil-heated capes to gas-heated suburbs across Suffolk County, duct systems here gather a four-season mix of pollen, plaster dust and household lint. Free inspections, same-day service and a camera view of your own ducts before we recommend anything.
Your information is kept private and used only for your air duct service request.
Cleaning, inspection, repair, installation, sealing and commercial work - the full air duct service list for Islandia, with free inspections and the same crew on every job. This page covers air duct in Islandia, NY end to end — the services, the local picture and the ZIP codes served.
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. That local standard is what air duct cleaning in Islandia, NY means with Air Duct Service Co.
Get a free estimate
Cleaning & Care
Air Duct Inspection
In Islandia, the camera maps retrofitted runs and panned-joist returns, the two places older systems hide their problems. 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 local standard is what air duct inspection in Islandia, NY means with Air Duct Service Co.
Get a free estimate
Repair
Air Duct Repair
Crushed, torn or disconnected ducts leak the air you pay to heat and cool. In Suffolk County, the cold room at the end of the house is usually a duct problem, and the repair follows the run until airflow balances. We repair and rebuild damaged sections so airflow is strong and even again. The crews behind air duct repair in Islandia, NY are the same ones who cover the ZIP codes listed below.
Get a free estimate
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. Around Islandia, additions and finished basements get ductwork sized and balanced with the existing system, not just tied into it. Booking air duct installation in Islandia, NY takes one call, and the tech arrives with everything the job needs.
Get a free estimate
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 Islandia, sealing pays back fastest in heating season, when every leak spills air you paid to warm. When neighbors talk about air duct sealing in Islandia, NY, this is the visit they mean.
Get a free estimate
Cleaning & Care
Commercial Air Duct Cleaning
Offices, restaurants, retail and multi-unit buildings across Islandia — scheduled commercial duct cleaning with the same negative-air machine sealed onto the trunk, keeping your space comfortable, compliant and breathing clean. In Suffolk County, property managers get a camera record of each system, so condition is documented before tenants move in. Commercial Air Duct Cleaning in Islandia, NY starts with a real look at the problem — never a guess over the phone.
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 Islandia 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.
Many Islandia 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 Islandia 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.
Floor-level returns in Islandia homes collect pet hair and dander faster than any filter can catch up with, especially in homes where animals have the run of carpeted floors. The buildup mats inside the return runs and is the first thing most owners see on the inspection camera.
Islandia sits in Suffolk County, and the ZIP list at the bottom of this page covers 1 serviceable ZIP codes — 11749 through 11749. The closest served neighbors are Lake Grove, Brightwaters, Saltaire, 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 Islandia 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 Islandia 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 Islandia 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. Islandia 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.
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.
If you also have central air, yes - many Islandia homes cool through ductwork added long after the house was built, often in the attic. Those systems collect the same dust and pollen as any other, and the attic runs are worth a camera look even if the radiators handle the heat.
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 Islandia homes, failed tape and separated basement joints are the usual culprits, fixed properly with mastic sealing.
It removes one real reservoir: pollen, dust and dander stored in the returns get recirculated every cycle in a sealed winter house. Families in Islandia often notice slower dust buildup afterward. It is not a medical treatment, but a clean system stops redistributing what has collected in it.
Yes - same-day service is available in Islandia, along with free inspections and estimates before any work starts. We are licensed and insured, with 10+ years of experience and 100+ 5-star reviews. Call early in the day for the best chance of a same-day visit, especially in the first cold weeks.
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 Islandia 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 Islandia list below covers 1 ZIP codes, 11749 through 11749.
Don't see your ZIP? Islandia 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: Lake Grove, NY · Brightwaters, NY · Saltaire, NY · Patchogue, NY · Babylon, NY · Northport, NY.
Message sent.
Thanks — we'll get back to you shortly. Need it faster?
