Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-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 North Massapequa
Air duct cleaning in North Massapequa typically runs $450 to $900 for a full system on a single-family home, and most jobs are completed in half a day. That price covers both supply and return sides, done with a negative-air machine and rotary brush, not a shop vac. If you live in a mid-century Cape Cod or split-level between North Broadway and the Bethpage border, you’re probably breathing air that’s passing through decades of accumulated dust, rust scale, and sometimes mold. Call us at (516) 559-4917 for a written quote before we touch anything.
Our crews know North Massapequa’s housing stock because we work it every week. We know the original galvanized trunks that rot in damp crawlspaces. We know the flex runs that get crushed or disconnected when additions were added in the 1980s and 1990s. And we know the difference between a duct that needs cleaning and a duct that needs sealing or repair. You get a straight answer, a written price, and the 365-Day Done Right Promise behind every job.
Why Hollis Air Duct Hempstead Is North Massapequa’s Preferred Air Duct Cleaning Company
Hollis Air Duct Hempstead is part of the Garrison Partners family, founded in 2004, and we’ve built a reputation in North Massapequa by doing the work other companies skip. Our technicians are background-checked and uniformed. The price is written down before any work starts, and it doesn’t move at the door. The 365-Day Done Right Promise means if the job wasn’t done right, we come back and make it right at no charge. That includes a free second visit if something fails within a year.
Roy Castellanos leads our team, and the standard he sets is the Garrison Code: arrive inside the quoted window, price in writing, do the job by the book, and leave the site cleaner than we found it. Homeowners in North Massapequa tell us the same thing after every job: they wished they’d called us first, because they’d already paid someone else to do half the work. Our equipment is professional-grade: Rotobrush rotary brush systems, Nikro negative-air machines, and filtration from Honeywell and Aprilaire. Not hardware-store gear. Not a shop vac attached to a drill.
We also serve Air Duct Cleaning customers throughout the surrounding area, but North Massapequa is one of the communities we know best. When your heat kicks on and you smell that damp, musty odor from the registers, you want a crew that already knows what’s in your crawlspace before they open the access panel.
Styles & brands we work with
Air Duct Repair in North Massapequa
Air Duct Repair in North Massapequa often means fixing what decades of moisture and poor original installation have done to the metal and flex that moves your air. We find disconnected runs behind finished basement walls, crushed flex in crawlspaces from stored boxes and holiday decorations, and return boots that have pulled away from the floor registers in older split-levels. A repair like reconnecting a flex run and sealing it typically runs $150 to $350 per connection. Replacing a badly rusted section of a crawlspace trunk can run $400 to $800 depending on length and access.
Our techs regularly see original galvanized ducts in 1950s and 1960s homes that have rusted through at the seams. The metal looks fine from the basement. Inside, the bottom of the duct is gone. That’s where condensation from the humid Long Island air settles. If you have a Cape Cod on a crawlspace, the supply trunk almost certainly runs through that damp space uninsulated. We see it every week. When the metal sweats, it rusts. When it rusts, it leaks. And when it leaks, mold spores get pulled into the airstream every time the blower runs.
Reconnecting and Sealing Disconnected Runs
When an addition was put on a North Massapequa split-level, the original contractor often tapped the existing trunk and ran flex through the crawlspace. That flex gets kinked, crushed, or pulled off entirely. We find runs that have been dumping conditioned air into the crawlspace for years. The homeowner paid to heat and cool that air, and it never reached the room. We reconnect the run, seal it properly with mastic, and verify airflow with a capture hood. Reconnecting a single run typically runs $150 to $250.
Sealing is not a side note. The duct sealing mastic we use is rated for metal and flex joints, and we apply it where the air actually leaks, not just where it’s easy to reach. After we finish, we run a before-and-after static pressure check so you can see the numbers. If the system is still leaking beyond the standard, we keep working until it’s right. That’s the Garrison Standard. Written down, not implied.
What It Costs to Fix a Rusted Trunk Line
If the main supply trunk in your crawlspace has rusted through, patching it is a temporary fix at best. We’ll tell you that plainly. A full replacement of a 10- to 15-foot section in a North Massapequa crawlspace typically runs $500 to $900 including materials, labor, and sealing. We write the exact number down before we start. If the rot extends into the air handler plenum, the price goes up accordingly and we’ll show you photos of the damage before we quote the repair. No surprises when the van is in the driveway.
Ductwork Cleaning in North Massapequa
Ductwork Cleaning in North Massapequa goes beyond running a brush through the main lines. We clean the entire path the air travels: supply ducts, return ducts, boots, plenums, and the blower compartment. In older homes, that path includes 60-year-old galvanized metal that’s never been touched. A full system cleaning for a typical North Massapequa Cape Cod or split-level runs $450 to $900, with the final price written before we begin. That includes video inspection before and after, so you can see the difference with your own eyes, not just take our word for it.
What we find in North Massapequa ductwork is consistent: rust scale from corroded galvanized steel, decades of dust caked onto the sides, pet dander, construction debris from old renovations, and in homes with musty odors, visible mold growth on the interior surfaces near the registers. A shop vac doesn’t touch it. Our Nikro negative-air system puts the ductwork under negative pressure while the Rotobrush agitation tools knock the debris loose. The HEPA filtration captures it before it ever reaches your living space.
Supply and Return Cleaning, Not Just One Side
The biggest mistake we see from cheaper outfits and DIY attempts is cleaning only the supply side. The return side is where the air starts. If the return ducts are packed with decades of dust, that dust gets pulled through the blower motor and redistributed through the supply runs the moment the system turns on. We clean both sides, every time. For a 1960s home in North Massapequa with original returns behind the walls, that often means carefully removing and cleaning the wall stacks, which many companies won’t touch because it’s slow work.
The difference is noticeable. Homeowners tell us the dust stops settling on furniture within a week, and the air smells neutral instead of stale. That’s the point of the work. Not a checklist item. Clean air moving through a clean system.
Full System Cleaning With Video Proof
Before we start, we run a camera through your ducts and record what we see. You get to watch it on our monitor. We point out the rust, the dust pack, the disconnected run, the dead mouse, whatever’s in there. After we clean, we run the camera again. You see the before and after. We don’t ask you to take our word for it. If we find a disconnected or crushed run during the cleaning, we’ll quote the repair separately and get your approval before we fix it. The cleaning price doesn’t change because we found a problem. That’s the whole point of a written quote.
Trusted Brands We Service in North Massapequa
North Massapequa homes run on a mix of original equipment and newer add-ons. We service and clean ductwork connected to systems from Honeywell, Aprilaire, Abatement Technologies, and Guardsman. When your Aprilaire filter housing or a Honeywell bypass humidifier is part of the duct path, we know how to properly disassemble and clean around it without damaging the sensors or the motor. We carry common replacement components in our vans, so a damaged filter frame or a worn door gasket doesn’t mean a second trip. You get one visit, one written price, and the work done by the book. Roy Castellanos insists on it.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in North Massapequa Homes
- Crawlspace trunk rust. In Cape Cod homes on crawlspaces, the main supply trunk runs through uninsulated space. Humid Long Island air condenses on the metal, the metal rusts, and the musty odor gets pulled through every register.
- Disconnected flex runs. Additions built in the 1970s through 1990s often had flex duct run through tight crawlspaces. It gets stepped on, crushed, or pulled off entirely, and conditioned air dumps into the crawlspace instead of the room.
- Return-side neglect. Cheap cleanings and DIY shop vacs only touch the supply side. The return side stays packed with dust, and the blower motor immediately re-contaminates the supplies. We clean both, every time.
- Broken damper handles. The original galvanized collars on 1950s and 1960s registers corrode from the inside. When a homeowner tries to adjust the damper, the handle snaps off in the duct. We see it weekly and can replace the collar while we’re already in there.
Pricing for Air Duct Cleaning in North Massapequa, NY
A full air duct cleaning for a typical single-family home in North Massapequa runs $450 to $900. The price depends on the size of the home, the number of systems, and the condition of the ductwork. A single-system ranch or smaller Cape Cod usually lands near the bottom of that range. A larger split-level or a home with two systems runs toward the top. If you need reconnecting or sealing work, we quote those repairs separately and in writing, typically $150 to $350 per connection and $500 to $900 for a rusted trunk section replacement.
We don’t quote per-vent pricing. We don’t advertise a low teaser number and then find reasons to add on. You get one written price for the whole system before any work starts. The quote includes both supply and return sides, video inspection, cleaning of boots and plenums, and the 365-Day Done Right Promise. If it’s not done right, we come back and fix it at no charge. Call (516) 559-4917 for a free estimate. You’ll talk to a live person, not a voicemail loop.
We Also Serve Cities Near North Massapequa
Our crews cover all of North Massapequa and the surrounding communities. We regularly work in Hempstead, Flushing, Jamaica, and Massapequa. If you live near the Nassau-Suffolk border or just off the Southern State, we can reach you without a wait. Same written pricing, same 365-Day Done Right Promise.
Serving North Massapequa, NY - Our Local Coverage Area
We’re based in the North Massapequa 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 North Massapequa
The smell is coming from your ductwork, not your filter. In North Massapequa’s Cape Cods built on crawlspaces, the main supply trunk often runs through an uninsulated crawlspace. Humid air condenses on the cold metal, rust forms, and moisture creates the perfect conditions for mold and mildew. When the blower kicks on, it pushes that musty air through every register. Changing the filter does nothing because the filter is downstream of the problem. The fix is cleaning the ductwork, and often sealing or replacing the rusted trunk section in the crawlspace. Call us at (516) 559-4917 and we’ll show you exactly what’s in your ducts before we quote anything.
Yes, but we handle it carefully. Many North Massapequa homes built between 1950 and 1975 have original ducts wrapped in asbestos paper. If the wrap is intact and not friable, we can often clean the interior of the duct without disturbing the exterior wrap. If the wrap is damaged or crumbling, that’s a different situation and requires an abatement contractor. Roy Castellanos will tell you plainly which one you’re dealing with when we do the inspection. We don’t take chances with asbestos, and we won’t tell you it’s safe to ignore if it isn’t. The video inspection tells us exactly what we’re working with before we start.
You’ll notice rooms that never get as warm or cool as the rest of the house. You might hear air moving where it shouldn’t, like inside a wall or under a floor. In a crawlspace, you may be able to see a flex run hanging loose or flattened. Our video inspection finds disconnected and crushed runs in minutes, and we’ll show you the footage on our monitor. Last week, our crew serviced a 1963 split-level on North Iowa Avenue where the original galvanized supply trunk ran through a damp crawlspace. The Rotobrush agitation tools knocked loose years of rust scale and mold, while our HEPA-filtered negative pressure system pulled debris from the supply and return ducts. We found a disconnected flex run to a rear addition that had been dumping conditioned air into the crawlspace, so we reconnected and sealed it. The homeowner reported the musty odor was gone within a day.
Every 3 to 5 years is the standard for most North Massapequa homes, but homes with original 1960s ductwork, pets, or a damp crawlspace often need it more frequently. The humid coastal climate accelerates rust and mold growth, especially in uninsulated crawlspace trunks. If you notice dust settling on furniture right after you vacuum, or a musty smell when the system runs, don’t wait for a calendar. Call (516) 559-4917 and we’ll inspect the system and give you an honest answer about whether it’s time. We’ll never sell you a cleaning you don’t need.
Yes, and the return side is usually the reason it happens. When the return ducts are packed with decades of dust, every time the blower runs, it pulls that dust past the motor and redistributes it through the supply runs into your rooms. Vacuuming stirs up dust from the floor, but the blower is constantly recirculating dust from inside the ductwork. Cleaning both the supply and return sides, including the boots and plenums, removes the source. Most North Massapequa homeowners notice a real difference within a week. If that’s what you’re dealing with, call us for a written quote.
Written by Roy Castellanos, Owner at Hollis Air Duct Hempstead. Serving North Massapequa and the surrounding communities with written pricing and the 365-Day Done Right Promise.