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 Henderson Owner’s Guide
We stock and install Abatement Technologies-compatible duct sealing components and repair parts across Henderson, with most replacements priced between $180 and $420 installed, depending on which part has failed and how much of the duct run needs to be reopened. Most Henderson homes we visit are back up and running the same day we diagnose the issue, and we carry the common failure points on the truck so we’re not making you wait on a shipment. The way owners usually find us is simple: a room that won’t hold temperature, a whistling sound near a register, or the telltale puff of dust from a seam that’s let go somewhere in the attic.
If you’ve got an Abatement Technologies system and something’s leaking or separated, here’s the part most websites won’t tell you: the failure is rarely the machine itself. It’s the connection points around it. We’ll walk you through exactly what we check, what it costs, and what’s actually worth fixing.
Which Abatement Technologies Models This Applies To
Abatement Technologies builds a few distinct lines, and the duct sealing requirements are not interchangeable across all of them. Their portable HEPA filtration units like the HEPA-AIRE series use flex duct collars and gasket seals that are specific to the unit’s outlet diameter, typically 8, 10, or 12 inches depending on the model and year. Their negative air machines, like the Predator series, run a different collar spec entirely. If you’ve got an inline duct booster or a whole-house filtration cabinet, the sealing challenge changes again: those rely on flanged connections that fail at the sheet metal seam, not at a gasket.
Here’s the compatibility gotcha that trips people up: Abatement Technologies updated their collar design around the mid-2010s, and the newer gasket rings do not seat properly on older housing flanges without a shim kit. We see this on Henderson jobs where a homeowner ordered a replacement gasket online, got the newer revision, and couldn’t figure out why the seal wouldn’t compress. The fix is a $12 shim ring, but you have to know it exists.
Before you buy anything, find the data plate on the unit. It’s usually on the back or underside near the power cord entry. Write down the model prefix (HA, PAS, PR, etc.), the full model number, and measure the outlet diameter with a tape measure. That gives us everything we need to match the right part when you call. As for OEM versus aftermarket: we’re happy to install either, but for gaskets and collars on Abatement units, we recommend OEM. The aftermarket options have looser tolerance on the foam density, and in Henderson’s dry heat, cheap foam dries out and shrinks noticeably faster. For rigid duct sections and sheet metal transitions, a quality aftermarket equivalent is usually the smarter spend. Paul Adeyemi has pulled enough failed seals out of Green Valley Ranch attics to know which parts earn their keep and which ones don’t.
Styles & brands we work with




Signs Your Abatement Technologies Duct Sealing & Repair Is Failing
- A room that’s always 4 to 6 degrees off from the rest of the house. A separated joint or torn gasket lets conditioned air dump into the attic or crawl space before it ever reaches the register. The system still runs, but that room never quite catches up.
- Whistling or hissing near a register or at the unit itself. Air escaping through a small gap under pressure makes noise. It’s usually most audible in the morning when the system first kicks on and the ductwork is still cool.
- Dust streaks or gray smudges around the seam where two duct sections meet. As leaked air blows past insulation and framing, it carries fine particulate that deposits right at the leak point. If you see a dirty halo around a joint, that’s your leak, plain as day.
- The Abatement unit is running, but airflow at the furthest register feels weak. A seal that’s partially failed doesn’t stop the system, it bleeds pressure gradually. The register closest to the unit pushes strong while the far end of the run starves.
- The gasket or collar is visible cracked, flattened, or pulling away when you look at the unit. In Henderson’s attic heat, which hits 130°F plus in July, rubber and foam seals harden and shrink over three to five summers. If it looks brittle, it’s done.
See the difference
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After
Before
After
Before
AfterReplacement Cost & What’s Included
Here’s the honest pricing picture for Henderson. A single gasket or collar replacement on an Abatement unit runs $180 to $260 installed, including the part, the trip, and the labor. A failed seam or separated duct section, where we have to open insulation, re-seal the sheet metal, and re-wrap, typically lands between $280 and $420. The spread depends on how much of the duct run we need to access, whether it’s in an attic or a crawl space, and whether the insulation jacket has to be re-taped or fully replaced.
We give you one flat price for the whole repair before we start. You’ll see the part cost and labor broken out on the written estimate, and you’ll know exactly what that number is before any tool comes out. The work is covered by our 365-Day Done Right Promise: if the seal fails again within a year, we’re back out to make it right at no charge. That’s not a warranty card in a drawer, it’s Paul’s standing instruction to his crew.
DIY or Call Us?
There’s a short list of things a Henderson homeowner can safely check themselves, and we’ll be the first to tell you to do them: visually inspect the gasket at the unit for cracks, run your hand along the duct run (with the system off) and feel for air movement at the joints, and take a photo of the data plate so you know your model. Those three things tell you what’s wrong and help us quote accurately over the phone.
Where DIY goes sideways is the actual re-seal. If the duct run is in your attic, Henderson’s summer attic temperatures create real heat exhaustion risk, and a wrong step through a ceiling is a far more expensive problem than a leaky seam. Re-compressing a gasket on an Abatement unit requires getting the seating pressure right; too loose and it leaks on day one, too tight and you deform the collar and need a new housing. There’s no electrical hazard on a standard duct seal job, but there’s a genuine risk to the unit itself if a collar gets cross-threaded or over-torqued. If you’ve checked the easy stuff and still have a leak, call us at (775) 252-8615. We’ll bring the right part, a drop cloth for your hallway, and a plan you can see before we start.
FAQs
In our experience across Henderson neighborhoods, the gaskets and foam collars on Abatement units last roughly three to five years in an unconditioned attic, and longer in garage or closet installations where they’re not cooking all summer. The rigid sheet metal seams, by contrast, typically hold for the life of the duct run unless the install was rushed.
If the gasket is still pliable and just slipped or seated poorly, yes, we can often re-seat it properly for a service-call fee rather than a full part replacement. But once the material is hardened and cracked, there’s no reliable repair, and a tube of caulk or tape makes it worse. We’ll show you the part before we recommend replacing it.
Most single-part replacements on an Abatement unit take 45 to 90 minutes from the time we park the van to the time we’re done, including the clean-up. Jobs that require opening a duct run and re-wrapping insulation run longer, typically two to three hours. We’ll tell you the expected window on the phone.
We keep the common failure items on the truck: gasket rings, collars, shims, and sealing tape for the most common Abatement Technologies sizes. If your unit needs a less common part, we can usually source it locally within a day or two. We also work on units from Lennox, Trane, and Carrier when the job calls for it.
If you’ve got an Abatement Technologies duct leak somewhere in Henderson, the fastest way to get a straight answer is a phone call. Call (775) 252-8615 and we’ll talk you through what you’re seeing. A live person answers, every time. We’ll tell you what we find, show you what we cleaned, and leave the house exactly as quiet as we found it.
Written by Paul Adeyemi, Owner, Mortons Air Duct Henderson at Mortons Air Duct Henderson, serving Henderson and nearby areas.