Before
After
Air Duct Cleaning
Full air duct cleaning on a 1960s split-level. 14 supply vents, 4 returns, 1 zone. Before-and-after camera scope showed 3 cubic feet of dust removed from the trunk line.
Hicksville, NassauApr 2026
NADCA ASCS · Nassau & Suffolk · 4,800+ jobs
Air Duct Cleaning Long Island — Nassau & Suffolk County
We provide professional air duct cleaning across Long Island — serving Nassau County (Hempstead, Great Neck, Massapequa, Levittown, Garden City) and Suffolk County (Huntington, Babylon, Islip, Smithtown, East Hampton). Long Island’s salt air and humidity accelerate mold and debris buildup in ductwork, making annual cleaning especially important for coastal homes. HEPA negative-air machine, every supply and return brushed, camera-scope video before and after. Not a shop-vac on three registers.
NADCA ASCS Certified
EPA Registered
IICRC Mold-Cert.
BBB A+
0+
Long Island jobs since 2012
0%
Avg PM2.5 reduction after a full clean
0%
Of customers get their camera-scope video
4.9
Avg Google rating (287 reviews)
LIVE
Free camera-scope on every job
Book a 60-sec callback
Owen or Maria calls you back with a real Nassau/Suffolk-priced ballpark.
The punchline
You see inside every duct — before we start and after we finish.
Six services, one crew, one standard
Everything that moves air through your home or office — we clean it properly.
The camera never lies
Camera-scope gallery from real Long Island jobs.
Every job gets a scope video. These stills are from the first 30 seconds of a typical clean — before we touch anything.
Before
After
Evaporator A-coil, 2-story ranch, Huntington
Matted dust and surface mildew chemical-cleaned. Static pressure dropped 18%, PM2.5 at return plenum fell 41 → 12 µg/m³ within a week.
The NADCA process
What five hours in your house actually looks like.
01
Walk-through
Count vents, find the returns, check the equipment. Quote finalized before we start.
02
Protect the house
Floor runners, corner guards, furniture tarped where needed. Same care whether it's a cape or a mansion.
03
Negative air + HEPA
Commercial-grade negative-air machine pulls from the return trunk, filters at HEPA 99.97%, exhausts outside.
04
Brush every line
Rotary brush or air-whip down each supply and return. Agitate the debris into the negative-air stream.
05
Camera-scope + report
We walk you through the before/after video, answer questions, and leave a printed NADCA-style report.
Recent jobs near you
Real work. Real towns. Real results.
Before
After
HVAC System Cleaning
NADCA-compliant HVAC system cleaning before property transfer inspection. Cleaned coils, blower wheel, and plenum on a 16-year-old Trane system.
Garden City, NassauMar 2026
Before
After
Dryer Vent Cleaning
Dryer vent cleaning after homeowner noticed longer drying times. Pulled 2.1 lb of lint from a 24-foot exterior run. Tested airflow at 3,400 fpm post-clean.
Hempstead, NassauMar 2026
Before
After
Mold Inspection
Mold-in-ducts inspection after finished basement water intrusion. Surface swabs sent to EMSL lab. Findings report delivered within 72 hours.
Oceanside, NassauFeb 2026
Before
After
New Construction Duct Cleaning
New construction duct cleaning on a custom colonial before owner move-in. Removed sheetrock dust, insulation particles, and sawdust from 22 supply lines.
Syosset, NassauFeb 2026
Before
After
Indoor Air Quality Testing
Indoor air quality test on a 1990s bi-level with chronic allergy complaints. PM2.5 at 41 µg/m³ before cleaning, 12 µg/m³ after full duct and HVAC clean.
Massapequa, NassauJan 2026
Before
After
Commercial Duct Cleaning
Commercial duct cleaning for a 3,800 sq ft dental practice in Nassau. After-hours service with NADCA written scope and lab-verified surface samples.
Garden City, NassauJan 2026
Before
After
Air Duct Cleaning
Full-system air duct cleaning including return trunk brush-out. Camera scope video archived to owner cloud folder as part of standard delivery.
Levittown, NassauDec 2025
Before
After
Dryer Vent Cleaning
Dryer vent cleaning and rigid-pipe conversion. Replaced 18 feet of foil-wrapped flex with smooth aluminum to eliminate lint snag points.
Plainview, NassauNov 2025
Before
After
HVAC System Cleaning
HVAC deep clean on a 2008 Lennox system. Cleaned evaporator coils, replaced media filter, and treated drain pan with EPA-registered antimicrobial.
Freeport, NassauOct 2025
Before
After
Air Duct Cleaning
Full-system air duct cleaning on a two-story colonial with 2 HVAC zones. Delivered 24-page NADCA-style report with before/after scope photos.
Patchogue, SuffolkApr 2026
Before
After
Commercial Duct Cleaning
Commercial HVAC cleaning for an 11,500 sq ft medical office. Six rooftop units plus all supply trunks. Overnight service window.
Smithtown, SuffolkMar 2026
Real Long Island customers
4.9/5 from 287 homeowners and businesses.
“Owen's crew spent six hours on our three systems. The camera-scope video was shocking — our supply trunks looked like a different duct after. My son's asthma flares dropped noticeably in the first two weeks.”
Jennifer L.
Hicksville·Air duct + HVAC clean·2026
Source: Google
“Owen ran an inspection with swab samples, sent them to an independent lab, coordinated remediation. Clean and certified in four days. Documentation was perfect for the insurance claim.”
Michael D.
Huntington·Mold inspection + remediation·2025
Source: Google
“Not the cheapest. They were the ones who explained what NADCA actually means, showed up when they said, and did not try to sell me an air scrubber or UV light I did not need. That matters.”
Carla M.
Bay Shore·Residential duct cleaning·2025
Source: Google
New · Air Quality Calculator
In 60 seconds, see what your ducts are doing to your air.
Square footage, pets, smokers, age of the system — our calculator estimates your indoor PM2.5, cost to clean, and likely improvement. No email required to see results.
Frequently asked
Questions we get on the first phone call.
Transparent Pricing
Air Duct Cleaning Cost on Long Island — 2025/2026 Pricing
Real pricing from real Long Island jobs. No bait-and-switch “$99 whole house” scams. NADCA-compliant cleaning takes 3-5 hours and costs accordingly.
| Service | Typical Range | Duration | Includes |
|---|---|---|---|
| Air Duct Cleaning (8-15 vents) | $450 – $750 | 3 – 5 hours | HEPA neg-air, rotary brush, camera scope video |
| Air Duct Cleaning (16-25 vents) | $750 – $1,100 | 5 – 7 hours | Multi-zone, every supply + return brushed |
| Dryer Vent Cleaning | $150 – $275 | 45 – 90 min | Full lint removal, airflow test, cap inspection |
| HVAC System Deep Clean | $350 – $600 | 2 – 4 hours | Coils, blower, plenum, drain pan, antimicrobial |
| Mold-in-Ducts Inspection | $275 – $450 | 1 – 2 hours | Camera scope, surface swabs, independent lab |
| Commercial Duct Cleaning | $800 – $3,500 | 4 – 12 hours | NADCA scope, written report, after-hours |
Prices current as of 2025. Every quote is fixed before we start. See full pricing page for details.
Air Duct Cleaning by Town: Nassau & Suffolk County Coverage
We clean ducts in every Nassau and Suffolk County town. Here’s what we see in the most common service areas and why each neighborhood has unique duct concerns.
Hicksville & Levittown (11801, 11756)
Post-war Levitt-style homes with original galvanized steel ductwork. Many have open return-air plenums pulling unconditioned air through attic insulation. Camera-scope typically reveals decades of debris. These homes benefit most from a full NADCA clean.
Huntington & Cold Spring Harbor (11743, 11724)
Mix of historic colonials and 1970s split-levels. Older homes with fibrous duct lining trap allergens and mold spores. High-humidity basement returns are common mold-in-duct triggers. We frequently add dryer vent cleaning to Huntington jobs.
Massapequa & Wantagh (11758, 11793)
South Shore salt-air humidity accelerates duct corrosion and mold growth in coastal Nassau homes. Post-Sandy remediation left many homeowners with replacement ductwork that’s now 10+ years old and due for its first proper NADCA cleaning.
Bay Shore & Islip (11706, 11751)
Suffolk County South Shore neighborhoods with high humidity and older housing stock. Dryer vent fires are a particular concern in tightly packed Islip neighborhoods — NFPA data shows Long Island dryer-vent fires peak in these dense residential areas.
Commack & Smithtown (11725, 11787)
1960s-era ranch and colonial homes with original ductwork. Many have never had a professional duct cleaning. Camera-scope on these homes routinely reveals construction debris still sitting in trunk lines from the original build — 60 years later.
Farmingdale air duct cleaning (11735, 11714)
High humidity from proximity to Bethpage State Park drives elevated mold spore counts in residential ductwork. Commercial and residential mix near Republic Airport adds higher-than-average particulate load. Commercial clients (offices, medical, dental) in this area make up a significant portion of our NADCA-scope jobs.
Lindenhurst air duct cleaning (11757)
Older ranch homes in Lindenhurst often have 1960s galvanized ductwork that benefits most from cleaning. Decades of dust and debris accumulate in the original trunk lines — camera-scope on these homes routinely reveals buildup that hasn’t been touched since the original construction.
East Hampton air duct cleaning (11937)
Salt air from the Atlantic means more frequent duct cleaning is recommended for East Hampton homes. Coastal salt air and humidity accelerate corrosion in metal ductwork and promote mold growth in fibrous duct lining — we typically recommend inspection every 2–3 years rather than the standard 3–5.
We also serve Syosset (11791), Plainview (11803), East Meadow (11554), Garden City (11530), Patchogue (11772), Riverhead (11901), Port Jefferson (11777), and every town in between. See all service areas.
More Questions About Air Duct Cleaning on Long Island
Air Vent Cleaning Long Island — What to Expect
Air vent cleaning on Long Islandcovers the full HVAC supply-and-return network: every supply register, every return grille, and the main trunk lines that connect them to the air handler. The terms “air duct cleaning” and “air vent cleaning” refer to the same process — cleaning the internal ductwork rather than just vacuuming the visible register cover.
Long Island homes present specific air vent cleaning challenges. Post-war construction from the 1950s and 1960s in Nassau County communities like Levittown, Massapequa, and Hicksville typically used sheet-metal ductwork that accumulates decades of dust, pet dander, and construction debris. South Shore communities (Freeport, Valley Stream, Bay Shore) see higher humidity infiltration into ductwork from seasonal coastal air, which accelerates mold spore growth inside supply runs.
Our air vent cleaning process uses NADCA ASCS-certified equipment: truck-mounted high-velocity vacuum, rotary brush system for supply runs, and a camera scope to document before-and-after conditions inside the duct. Every job includes before-and-after PM2.5 particulate readings at each supply register so you have measurable proof of the air quality improvement — not just a clean register cover.
Air Vent Cleaning Cost LI
Whole-system air vent cleaning on Long Island runs $300–$600 for most residential homes (up to 2,000 sq ft, 10 supply registers). Larger homes, additional units, or dryer vent add-on affects the total. No hidden fees.
How Long It Takes
A standard 3-bedroom Long Island home takes 2.5–4 hours. We do not rush the camera-scope step. Every run is scoped before and after so you see documented results.
Dryer Vent Cleaning
Many Long Island homeowners add dryer vent cleaning to the same appointment. Dryer vent blockages are a leading cause of house fires on Long Island — we clear the full run from dryer to exterior cap.
Dryer Vent Cleaning Long Island — Fire Prevention & Efficiency
Dryer vent cleaning on Long Islandis one of the most overlooked fire-prevention services for Nassau and Suffolk County homeowners. According to the NFPA, failure to clean dryer vents is the leading cause of home dryer fires nationwide — and Long Island’s dense residential neighborhoods in towns like Levittown, Massapequa, Hicksville, and Commack face elevated risk due to closely spaced homes, older construction, and extended vent runs through walls and ceilings.
Our dryer vent cleaning process removes the full lint load from the dryer connection to the exterior cap. We use a rotary brush system to clear compacted lint from the entire vent run, then test airflow with a digital anemometer before and after to verify the clean. If we find crushed flex duct, disconnected joints, or a blocked exterior cap, we flag it and can repair it the same visit. Every dryer vent cleaning includes a written report documenting what we found and the measured airflow improvement.
Most Long Island homeowners pair dryer vent cleaning with a full air duct cleaning appointment — the equipment is already on site and we can typically complete the dryer vent in 45 to 90 additional minutes. Signs your dryer vent needs cleaning: clothes taking two cycles to dry, the dryer is hot to the touch, a burning smell during operation, or you cannot remember the last time the vent was professionally cleaned. We serve every Nassau and Suffolk County town for dryer vent cleaning — from Garden City to East Hampton.
Dryer Vent Cleaning Cost
Standalone dryer vent cleaning on Long Island runs $150–$275. Bundled with a full air duct cleaning, the add-on is typically $100–$175. Price depends on vent length and accessibility.
Signs You Need It
Clothes take 2+ cycles, dryer exterior is hot, burning smell, lint visible at exterior cap, or more than 2 years since last professional cleaning. Any one of these warrants a call.
Fire Risk on LI
NFPA reports 15,970 U.S. home dryer fires annually. Lint buildup is the #1 cause. Long Island's older housing stock with longer vent runs through walls and attics increases the risk.
Long Island Air Duct Co. cleans air ducts, air vents, and dryer vents across all of Nassau and Suffolk County. Our most requested services include dryer vent cleaning, HVAC system deep cleaning, full-system air duct cleaning, and mold-in-ducts inspection. We serve Nassau County towns including Nassau County air duct cleaning and Suffolk County towns from Huntington to Bay Shore and Patchogue — Suffolk County air duct cleaning. Every job includes a camera-scope video and NADCA-compliant written report. See all FAQs, read customer reviews, or learn 8 signs you need air duct cleaning on Long Island, or read our complete guide to air duct cleaning on Long Island.
Ready when you are
Your free duct assessment includes a camera scope.
We walk into your house with a scope, not a quote. You see the inside of your system on a tablet before we price anything.
You see inside every duct — before we start and after we finish.
4800+
LI homes since 2012
4.9★
287 Google reviews
4hr
Business-hours callback
(631) 641-5548
or fill out the form, it takes 20 seconds
Schedule a walk-through
Five fields. We take it from there.