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.
Air Duct Cleaning Company in North Merrick, NY
Air duct cleaning in North Merrick, NY typically runs between $340 and $690 for a whole-home system, depending on the house size, number of returns, and how much has accumulated inside the runs. What makes North Merrick work different from neighboring towns is the housing stock itself: dense clusters of 1950s and 60s Cape Cods and split-levels, many still heated by oil, with ducting retrofitted into shallow basements and low-clearance crawlspaces. That changes how a crew approaches the job, which is why the three services below each have their own dedicated North Merrick page. Call (516) 559-4917 for a written, upfront price before any work starts.
Why North Merrick Homes Are Different
Most North Merrick homes were built between the late 1940s and mid-1960s, and very few of them had central air when they went up. Air conditioning was added later, which means duct runs were threaded through whatever space the installer could find: closets, knee walls, shallow crawlspaces under split-level additions, and basement ceilings already crowded with oil lines and old wiring. None of that is a problem for a crew that works in North Merrick regularly, but it does mean the work takes longer and costs a bit more than it does in a newer development with wide utility chases and 8-foot basement ceilings.
The climate adds its own variable. North Merrick sits close enough to South Oyster Bay that summer air carries real humidity, and that damp coastal air gets pulled into return ducts and settles as condensation inside the runs. Combine that with spring pollen from the oak and maple trees that line streets like Jerusalem Avenue and Camp Avenue, and you get a system that loads filters fast and grows mildew inside the ductwork faster than homeowners expect. A duct cleaning here isn’t a cosmetic job; it’s the difference between air that moves and air that keeps recycling whatever has collected in the runs over the years.
There’s one more North Merrick quirk worth knowing about. During the oil-to-gas conversion wave, many original warm-air plenums were abandoned in place rather than removed. Those abandoned runs often became bypasses: chambers that still connect to the main trunk but no longer serve a room, quietly collecting dust and pulling conditioned air out of the live system. A proper cleaning here often means identifying and sealing those ghost runs, which is not something a crew working from a generic checklist will catch. Roy Castellanos trains his technicians to look for exactly those North Merrick-specific conditions before they ever put a brush in the duct.
Styles & brands we work with




Our Main North Merrick Services
These are the three jobs North Merrick homeowners call us about most often. Each has its own dedicated page with pricing, process, and North Merrick-specific details.
Air Duct Cleaning in North Merrick
Air duct cleaning in North Merrick is a whole-system job. We connect a negative-air machine to the main trunk to pull the house into negative pressure, then run a rotary brush through every supply and return run while the vacuum captures what the brush knocks loose. On Cape Cods and split-levels with retrofitted ducting, that often means working in crawlspaces with 30 inches of clearance and pulling registers that haven’t moved since the original install. The result is air that moves through clean runs instead of pushing decades of accumulated dust back into the living space. Read the full breakdown on our dedicated Air Duct Cleaning in North Merrick page, including what we find in homes near Camp Avenue and Jerusalem Avenue.

Dryer Vent Cleaning in North Merrick
Dryer vents in North Merrick run through the same tight utility spaces as the ductwork, and many of them exit through roofs or long sidewall runs that have never been opened. Lint accumulates where you can’t see it, and a blocked vent makes the dryer work harder while sending moisture back into the wall cavity. We clean the full vent run from the dryer connection to the exterior termination, then verify airflow at the outside vent before we pack up. For North Merrick’s older Cape Cods, that often means clearing a run that goes up through a closet and out a soffit, which is exactly the kind of run homeowners can’t reach themselves. See the full scope on our Dryer Vent Cleaning in North Merrick page.

Duct Sealing in North Merrick
Duct sealing in North Merrick matters more than in towns with newer forced-air systems, because so many homes here have ducting that was added decades after the framing. Joints open up, tape fails, and the abandoned warm-air plenums from oil-to-gas conversions quietly pull conditioned air into dead space. We seal accessible joints with mastic, close off ghost runs, and test the system so you can feel the difference at the register. On split-levels especially, the difference between a sealed system and a leaky one shows up in the rooms farthest from the air handler. The full explanation, including what sealing costs in North Merrick, is on our Duct Sealing in North Merrick page.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in North Merrick
Hollis Air Duct Cleaning runs equipment from Nikro and Abatement Technologies for the negative-air and collection side of the job, and we regularly service and maintain systems with filtration from Honeywell and Aprilaire. When a North Merrick home has an Aprilaire media cabinet or a Honeywell electronic air cleaner, our technicians know how to work around it without damaging the unit. See our brands for the full equipment roster.
See the difference
Before
After
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After
Before
AfterPricing for Air Duct Cleaning Company in North Merrick, NY
| Service | Typical range in North Merrick |
|---|---|
| Whole-home air duct cleaning (up to 10 vents) | $340 – $490 |
| Whole-home air duct cleaning (11 – 16 vents) | $450 – $590 |
| Whole-home air duct cleaning (17+ vents) | $560 – $690 |
| Dryer vent cleaning (standard run) | $125 – $195 |
| Dryer vent cleaning (long or roof-terminated run) | $185 – $295 |
| Duct sealing (per system, materials included) | $480 – $1,200 |
| Return-side deep clean add-on | $90 – $150 |
| Filter replacement (standard 1-inch) | $18 – $38 |
| Filter replacement (media cabinet, e.g. Aprilaire) | $35 – $70 |
| Access panel installation for tight crawlspace runs | $120 – $220 |
What pushes a North Merrick job toward the higher end of these ranges is access. Crawlspace ducting with 30 inches of clearance, registers that haven’t been pulled in 40 years, and abandoned warm-air plenums all add labor time. Whatever the final number is, it gets written down before we start, and it does not move at the door. That’s The Garrison Standard, and it applies to every job we do in North Merrick.
Neighborhoods We Serve in North Merrick
We work throughout North Merrick, from the blocks near the Southern State Parkway up to the streets that border North Bellmore and East Meadow. Most of our North Merrick calls come from these neighborhoods:
- The Jerusalem Avenue corridor and side streets
- Camp Avenue and the surrounding split-level blocks
- The area around Saw Mill Road
- Homes near the Merrick Road border
- The neighborhoods east of Newbridge Road
North Merrick is compact enough that we can usually schedule a visit within a few days, and we arrive inside the window we quote. The tight crawlspaces and retrofitted runs don’t slow us down; they’re what we expect to see here.
Service Area – Cities Near North Merrick
If you’re just outside North Merrick, we also schedule work in Hempstead, NY, Flushing, NY, Jamaica, NY, and Massapequa, NY. Each town has its own housing profile, and we adjust the approach accordingly. North Merrick remains the hub for our central Nassau scheduling, and crews are dispatched locally for neighborhoods throughout the area.
Serving North Merrick, NY - Our Local Coverage Area
We’re based in the North Merrick 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 Company in North Merrick
Most North Merrick jobs are scheduled within three to five business days. The town is compact, so once we’re on the schedule, the crew arrives inside the quoted window and completes the work the same day. Call (516) 559-4917 to check current availability.
No permit is required for air duct cleaning, dryer vent cleaning, or duct sealing in North Merrick. The work is interior maintenance and doesn’t involve structural changes. If we install an access panel to reach a tight crawlspace run, that’s still routine access work and doesn’t trigger permit requirements.
Yes. Many North Merrick homes still run oil heat with ducting that was retrofitted decades ago, and those systems are exactly what we see most often. The cleaning process is the same, but we pay extra attention to abandoned plenums and bypass runs from old oil-to-gas conversions. Roy Castellanos makes sure every technician knows what to look for before the brush goes in.
For a free estimate and a written price before any work starts, call Hollis Air Duct Hempstead at (516) 559-4917. We answer the phone around the clock, and we’ll give you a straight number for your North Merrick home.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What North Merrick Customers Say
"Careful with the carpet and furniture. Even wiped down the vent covers before putting them back."
- Leo B."Pet hair all through the returns. The crew pulled out a whole bag of it. Smell is gone."
- Ana G."They checked each section with a camera and showed me the dust before and after. Thorough and honest."
- Nicole H.