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 Duct Sealing & Repair: The Yonkers Owner’s Guide
If you’re looking for Abatement Technologies duct sealing and repair parts in Yonkers, we stock the replacement gaskets, sealant kits, and access panel hardware that keep those containment units and negative-air machines running tight. Most duct sealing repairs on Abatement Technologies equipment run between $40 and $220 installed, depending on whether we’re replacing a single gasket or re-sealing an entire plenum connection. You’ll usually know something’s failed when the unit starts pulling noticeably less vacuum, or you can feel air moving around a seam that used to be tight.
The typical discovery scene: a homeowner or contractor flips on their Abatement Technologies unit, hears the blower running hard, but the pressure gauge won’t hold where it should. Or they run a hand along the filter housing and feel a steady draft escaping. That’s a sealing problem, not a motor problem, and it’s one of the cheaper fixes in the system. Omar Haddad and our crew have been chasing these exact issues in Yonkers basements, crawlspaces, and job sites for years, and most sealing failures come down to three things: gasket compression fatigue, dried-out sealant, or a filter door latch that’s pulled slightly out of alignment.
Which Abatement Technologies Models This Applies To
Abatement Technologies has produced several lines over the years, and seal compatibility is not universal across them. The most common units we see in Yonkers are the HEPA-AIRE PAS series (portable air scrubbers), the Predator series (smaller, high-static units), and the vacuum and containment accessories sold alongside their asbestos and mold remediation equipment. The PAS series in particular uses a molded rubber gasket around the filter access door that compresses over time and eventually takes a set, meaning it stops springing back when you latch the door closed.
Here’s the compatibility gotcha: a gasket cut for a PAS 1200 will not seat correctly on a PAS 2400. The door frames differ by roughly 3/8 of an inch in seal channel depth, and forcing the wrong one gets you a door that either won’t latch or leaks worse than before. We always match by the full model and serial number off the data plate, and we measure the existing channel before ordering anything. Abatement Technologies OEM parts are well made but can take a week or more to ship. Quality aftermarket gasket material, cut to size from the right durometer and profile, often performs identically and gets your unit back in service the same day. We stock both paths and tell you the price difference before we cut anything.
Styles & brands we work with




Signs Your Abatement Technologies Duct Sealing & Repair Is Failing
- Pressure gauge drops when it should hold steady. If the needle climbs toward target then falls off as the housing pressurizes, air is escaping somewhere around the filter door or plenum seam, not through the filter itself.
- You can feel air moving around a closed seam. Run a damp hand (or a strip of toilet paper) along the filter access door and housing joints while the unit runs. Any flutter means the gasket has flattened or the sealant has pulled away.
- The filter door latches with less resistance than before. A healthy Abatement Technologies gasket gives you a firm, springy latch feel. When it closes with a loose clunk, the gasket has compressed past recovery.
- Visible dust or debris accumulating inside a sealed area. On containment setups, air leaking in around a bad seal can drag dust past the barrier and into a room that should be staying clean.
- Whistling or hissing sounds near the filter housing. That’s not normal blower noise. It’s air being forced through a gap, and it means the system is working harder than it should to maintain negative pressure.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
In Yonkers, sealing repairs on Abatement Technologies units run about $40 to $90 when we’re replacing a single door gasket or resetting sealant on a small plenum connection. Full re-sealing jobs, where every seam on the unit and its connecting duct collars gets fresh gasket material or sealant, typically land between $120 and $220. The price depends on unit size, how many access points need attention, and whether any latches or panel hardware need replacement at the same time.
Every quote includes the parts, the labor to remove old gasket material and clean the sealing surfaces, and calibration of the door or panel fit before we pack up. You get a written price before we start, and the work carries our written guarantee. If a seal we install fails within 365 days, we return and correct it at no charge under the 365-Day Done Right Promise. That’s not a warranty with fine print. It’s the standard we hold every Abatement Technologies repair to, because a sealing job that leaks again in three months is just a waste of your money.
DIY or Call Us?
What you can safely check on your own: whether the filter is seated square in its channel, whether the door latch is visibly bent or loose, and whether the existing gasket is flat, cracked, or still springy to the touch. A visual inspection takes five minutes and gives you real information before you spend money. What goes wrong with DIY on these units is usually the gasket profile. Hardware store weatherstripping is too thick or too soft. It folds under the door, blocks the filter from seating, or tears when the latch closes. Then you’re fighting two leaks instead of one. These units move a lot of air in tight spaces, and a badly sealed access door on a HEPA negative-air machine compromises the whole job.
If you’re in Yonkers and the gauge won’t hold, call us at (914) 613-6563. We’ll match the part to your exact model, bring the right gasket material, and have you running tight again, usually in a single visit.
FAQs
On equipment used regularly in Yonkers, expect door gaskets to last three to five years before they compress past their recovery point. Units that run daily in hot, dry mechanical rooms tend to shorten that window. Humidity swings in the Northeast don’t help: summer heat softens rubber compounds and winter cold hardens them, and cycling between the two ages gaskets faster than a stable climate would. If your unit is over four years old and losing pressure, the gasket is the first thing we check. Call (914) 613-6563 and we’ll give you an honest read on whether you need a reseal or something deeper.
For sealant failures, yes. If the bead around a plenum seam has dried and cracked but the metal is intact, we can remove the old sealant, clean the surfaces, and lay a fresh bead that restores the airtight connection. For compression gaskets, repair is rarely worth it. Once the rubber has taken a flat set, reconditioning products give you maybe a few extra weeks before it leaks again. Replacement is cheaper over time. We’ll tell you which path fits your unit before any work starts.
Most single-gasket replacements are done in 45 to 60 minutes, including removing the old adhesive, cleaning the channel, and seating the new material. A full re-seal of all seams and access doors typically runs two to three hours depending on the unit size and how many panels need attention. We give you a written time estimate with your written price, so you know what the visit looks like before we arrive.
Yes. We carry multiple gasket profiles and durometers specifically matched to the Abatement Technologies PAS and Predator series, plus the sealant compounds we use on plenum and duct collar seams. If your data plate calls for an OEM specific part that’s not on the truck, we order it and let you know the realistic arrival date, then give you the option of a same-day aftermarket equivalent at a lower price. The choice is yours, with numbers attached to each option. For Lennox, Trane, and Carrier HVAC duct sealing work, we handle those systems too, but Abatement Technologies units are a specialty we see regularly in Yonkers.
Written by Omar Haddad, Owner, Cardinal Air Duct Yonkers at Cardinal Air Duct Yonkers, serving Yonkers and nearby areas.