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.
Abatement Technologies Air Duct Cleaning in Hempstead: What to Know First
Abatement Technologies air duct cleaning in Hempstead typically runs $350 – $650 for a full residential system, and we complete most single-family jobs in half a day. That price includes negative-air extraction, rotary brush agitation where the duct layout allows it, and a written report with before-and-after photos. We’re an independent Abatement Technologies service provider, not a manufacturer affiliate, so our only interest is the air moving cleanly through your home.
If you own Abatement Technologies air filtration or duct equipment and you’re seeing dust settle back on furniture within days of cleaning, or airflow has dropped noticeably, call (516) 559-4917. Roy Castellanos and our crew have worked Hempstead homes long enough to know that older ductwork here often hides what newer equipment can’t filter out on its own.
How Abatement Technologies Products Fail – and How We Fix Them
Abatement Technologies builds solid filtration and air-cleaning equipment. But the ductwork attached to it is the weak link, and in Hempstead’s housing stock, that link gets stressed. Here’s what we actually see on service calls:
- HEPA 500 and 2000-series filter housing bypass. These units pull hard, and in older Hempstead homes the return-side duct connections often weren’t sealed for that kind of negative pressure. Air gets sucked in around the filter housing instead of through it, so the filter looks dirty but the room air never actually passes through. We seal those bypass points with mastic and verify with a smoke pencil before we call the job done.
- Capture hoods clogging prematurely on the Predator series. Abatement’s Predator air scrubbers have inlet pre-filters that load up fast in homes near Hempstead Lake State Park. The humidity and leaf particulate shorten filter life. We clean the duct runs feeding those units and check the pre-filter loading pattern to spot upstream duct leaks that are pulling attic or crawlspace air into the system.
- Dust re-entrainment after a generic cleaning. Here’s the one we hear most from Hempstead homeowners who called another company first: the crew ran a brush through the ducts, the place looked clean for a week, then dust came back worse. What actually happened is the old cleaning knocked debris loose in the return plenum and the negative-air side never got fully extracted. Abatement equipment is too well-sealed for that to fix itself. Our process extracts from both the supply and return sides, and we video-inspect the plenum before we leave.
- Flex duct delamination on homes retrofitted with Abatement media filters. When a high-efficiency media cabinet gets added to an older Hempstead forced-air system, the added static pressure can cause older flex duct liners to start peeling. The liner flaps, airflow drops, and the Abatement filter gets blamed. We inspect the entire run for the telltale ripple pattern and replace the delaminated sections rather than just cleaning around a structural problem.
- Condensation on Abatement portable units used in basements. We see the Abatement AirMaid and similar portable units set up in finished Hempstead basements where the ductwork passes through a crawlspace. Cool, damp air hits warm duct surfaces, condensation forms, and the unit ends up circulating musty air. We address the duct insulation and airflow balance, not just the symptom.
Styles & brands we work with




Our Abatement Technologies Air Duct Cleaning Process
- 1
Call and schedule. You talk to a live person. We ask about your system type, the Abatement equipment you run, and any symptoms you’ve noticed. No callback queue.
- 2
Walkthrough and written price. Roy or a lead tech walks the duct layout with you, checks access points, and writes the price down before any work starts. That number does not move at the door.
- 3
Containment and negative air. We seal registers, connect our Nikro negative-air machine to the trunk line, and set up the Rotobrush system. The containment keeps what we knock loose from drifting back into your living space.
- 4
Agitation and extraction. We brush and air-wash supply and return runs, then extract both sides. On systems with Abatement filtration upstream, we pay extra attention to the section between the filter and the fan so nothing re-entrains.
- 5
Video inspection. Before we pack up, we run a camera through the trunk, the most accessible branch lines, and the plenums. You see the result, not a sales pitch.
- 6
Written report and the 365-Day Done Right Promise. You get before-and-after photos and a written guarantee. If you find a problem we missed within a year, we come back at no charge – including a free second visit.
See the difference
Before
After
Before
After
Before
AfterWhat Abatement Technologies Air Duct Cleaning Costs in Hempstead
Here are honest whole-system ranges for Hempstead homes, not per-vent teaser prices:
- Single-system residential cleaning, one return, up to 12 supply runs: $350 – $500
- Larger homes with multiple returns or a finished basement run: $500 – $650
- Homes with Abatement media filtration upstream (extra care around filter-to-fan section): add $75 – $125
- Commercial or multi-unit Abatement duct systems: quoted by square footage and access, typically $900 – $2,500
What moves the price: number of returns, how many floors, whether the chase is tight (common in older Hempstead builds), and whether flex duct needs replacement rather than cleaning. The price is written before we touch anything. Call (516) 559-4917 for a free estimate.
Why Hempstead Homeowners Call Hollis Air Duct Hempstead for Abatement Technologies Work
We’ve been doing this since 2004, and we’re part of the Garrison Partners family, which means we run on The Garrison Standard: written prices, written guarantees, and the 365-Day Done Right Promise in writing on every job. If the work fails within a year, we come back at no charge. That’s not a marketing line, it’s the operating rule.
Our technicians are background-checked and uniformed. You know who’s walking into your house before they get there. We service Abatement Technologies equipment plus Lennox, Trane, and Carrier systems, so when the duct inspection turns up something else, we can handle it without you chasing another contractor. And we answer the phone 24/7, which shouldn’t be rare but is. Clean ducts, straight answers – that’s the whole job.
FAQs
No. Routine duct cleaning does not void an Abatement Technologies equipment warranty, and we document the process so you have a record if a warranty claim ever comes up. We never use chemicals or abrasives inside the ductwork, and we follow the National Air Duct Cleaners Association (NADCA) standard. Call (516) 559-4917 if your unit is under warranty and you want us to walk you through how we protect it.
You get before-and-after photos, a video inspection of the trunk and plenums, and a written report. The report shows exactly what we found and what we did in each section. No other Hempstead duct cleaning outfit we compete with hands you that on every job. If you have a question about what you’re looking at, call (516) 559-4917 and our tech will walk you through it.
The $99 offer is usually bait for a per-vent upsell or a high-pressure filter replacement pitch once the crew is in your house. A legitimate whole-system cleaning with negative-air extraction, rotary agitation, video inspection, and a written guarantee runs $350 – $650 for a Hempstead single-family home. If a price sounds too low to sustain a uniformed, background-checked crew with commercial equipment, it is too low. Our price is one flat rate per system, written before work starts, and it does not change at the door. Call (516) 559-4917 for a straight quote.
Every 3 to 5 years for most Hempstead homes. If you run a media filter or HEPA unit upstream, you may stretch it longer, but older ductwork in this area picks up more than just dust: humidity from the coast, pollen, and drywall dust from renovations all find their way in. If a family member has asthma or allergies, lean toward the shorter end. If you’ve never had it done and the house is over 20 years old, plan on doing it once now, then reassess after we show you the video.
We clean the duct runs and the air handler, not the internal components of a portable scrubber. If you run an Abatement portable unit in a basement or work area, we’ll clean the surrounding ductwork and check that the return path to the unit isn’t pulling dirty air from a crawlspace or attic. The portable unit itself has filters that need their own maintenance schedule, which we’re happy to explain while we’re there. Call (516) 559-4917 and we’ll tell you exactly what applies to your setup.
Written by Roy Castellanos, Owner, Hollis Air Duct Hempstead at Hollis Air Duct Hempstead, serving Hempstead and nearby areas.