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 Orlando Owner’s Guide
We stock and install Abatement Technologies-compatible duct sealing and repair parts across Orlando, with most jobs running between $180 and $450 installed depending on your system size and how much of the duct run needs attention. We carry the seals, tapes, mastics, and plenum collars that match Abatement Technologies duct board and flex duct connections, and our techs can usually have the repair done the same visit once we confirm the exact part.

Most Orlando homeowners find us after noticing warm air bleeding into a hallway closet, a musty smell near the air handler, or a visible gap where the duct meets the plenum. Sometimes it’s a tear from an old rodent entry point – we see that a lot in Winter Park and College Park where mature landscaping pushes critters toward rooflines. Other times the mastic has simply dried and cracked after years of Florida attic heat cycling. Either way, the fix is straightforward when the right part goes on the right model.
Which Abatement Technologies Models This Applies To
Abatement Technologies duct sealing parts cross over a few product families. We work most often with the ThermaPure line and their commercial-grade duct board systems, but the sealing components – adhesive-backed foil tapes, water-based duct mastics, and galvanized takeoff collars – fit the full range of Abatement duct work we encounter in Orlando homes. The compatibility gotcha is this: Abatement duct board has a slightly denser fiberglass face than generic duct board, so a bargain tape from a big-box store will peel within a season or two in a Florida attic. You need the UL 181-rated tape or mastic that actually bites into that surface.
When you call us, we’ll ask you to look for the model label on the air handler cabinet or the duct board itself. It’s usually a silver sticker with a serial number, and that number tells us which seal kit matches. We stock OEM Abatement sealing components on the truck, along with quality aftermarket equivalents from Hardcast and Design Polymerics. For most residential repairs, the aftermarket UL 181 product performs identically at a lower cost. For anything still under an Abatement warranty, we’ll recommend you stick with OEM so the warranty stays intact.
One more note: we’re an independent service provider, not a franchise or corporate arm of Abatement Technologies. We choose their equipment because we’ve tested it against other brands in Orlando attics, and it holds up. That’s why we stock their parts.
Styles & brands we work with




Signs Your Abatement Technologies Duct Sealing & Repair Is Failing
- Warm air seeping from a closed closet or pantry – a failed collar seal at the plenum lets conditioned air escape before it ever reaches the register. You’ll feel the temperature difference right at the gap.
- Dust streaks or dark residue on the duct board near joints – that’s air blowing past a cracked mastic seal and pulling attic dust through the gap. In College Park’s older homes, this is one of the most common findings we see.
- Musty or stale smell when the system first kicks on – a broken seal can draw air from the attic, which in Orlando carries heat and whatever has been living up there.
- Higher electric bills in summer without any other change – your system is cooling air that never reaches the rooms. Duct leakage in a typical Orlando attic can mean 20 to 30 percent of conditioned air lost.
- Visible peeling tape or crumbled mastic at the duct connections – Florida heat cycles bake the adhesive backing off cheaper tapes in three to five years. When you can see the failure, the repair is already overdue.
See the difference
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After
Before
After
Before
AfterReplacement Cost & What’s Included
For Orlando homes, Abatement Technologies duct sealing and repair typically runs $180 to $450 installed. A single takeoff collar reseal with new mastic and UL 181 tape sits at the lower end. Resealing multiple plenum connections, replacing a crushed flex run, or re-masticing an entire supply trunk moves you toward the top. The range depends on attic access, how many linear feet of sealing surface needs work, and whether we’re doing a partial or full plenum reseal.
Here’s how pricing breaks down:

- Single collar or duct joint reseal: $180 – $240
- Full plenum reseal (supply or return): $260 – $350
- Multiple connections plus flex duct replacement (up to 25 linear feet): $350 – $450
Every estimate is a written price before work starts. That price includes the parts, labor, cleanup, and a photo of the finished repair before we leave. Our 365-Day Done Right Promise applies to duct sealing and repair work too – if the seal fails within a year, we come back and make it right.
DIY or Call Us?
Duct sealing itself isn’t dangerous like a garage door spring or an electrical panel, but it is miserable work in a Florida attic. The surface prep matters more than the product. If the duct board or sheet metal has any dust, moisture, or old adhesive residue, even the best mastic won’t hold. Getting up there safely with proper ventilation, a headlamp, and the right cleaning materials is the real cost of doing it yourself – plus the two trips to someplace that actually stocks UL 181-rated sealing products, which most Orlando hardware stores don’t carry in the right spec.
Paul Adeyemi grew up in Los Angeles and learned HVAC technology at Los Angeles Trade-Technical College, where sealing a duct system properly was drilled into him as non-negotiable. After the better part of two decades working in Orlando attics – including College Park homes where older duct board crumbles if you look at it wrong – he can tell you exactly what we found, what we will do, and what it costs before we start. That’s the whole point. Call (321) 204-8194 for a free estimate, and we’ll send a background-checked tech in uniform who brings shoe covers, drop cloths, and a quiet approach that won’t wake a napping toddler.
FAQs
Properly applied UL 181 mastic and tape on Abatement duct board should last 10 to 15 years in an Orlando attic if the duct work itself isn’t disturbed by rodents, ceiling work, or water intrusion. What shortens the lifespan is cheap tape, poor surface prep, or original builder-grade seals that were never right from day one. We see a lot of 2005-2015 construction in metro Orlando where the original sealing was already failing by year five. If you’re not sure what you have, we’ll inspect and tell you straight. Call (321) 204-8194 for an honest assessment.
Yes, a damaged seal can almost always be repaired rather than replaced. We strip back the failed tape or mastic, clean the surface properly, and reapply a UL 181-rated seal that bonds to the Abatement duct board. The only time we recommend replacing a section is when the duct board itself is water-damaged, crushed, or mold-contaminated. If you’re seeing flaking fiberglass or a spongy feel at the connection, that’s a different conversation. Call (321) 204-8194 and we’ll tell you what’s actually needed.
A single collar or joint reseal on an Abatement system takes our techs about 45 to 90 minutes once we’re in the attic. A full plenum reseal with multiple connections runs two to three hours. Attic access in Orlando varies a lot – some houses near Winter Park have pull-down stairs, others have a ceiling hatch you need a ladder for – and that affects the time it takes. We’ll give you a written estimate with the time frame before we touch anything.
We do. Our trucks carry OEM Abatement sealing components plus UL 181-rated aftermarket equivalents from Hardcast and Design Polymerics on every run. When we identify the failure during an inspection, we can usually complete the repair the same day without a second trip. We also stock parts for Lennox, Trane, and Carrier systems, but for Abatement duct work specifically, we keep what we need on hand.
If a seal we applied fails within 365 days, we come back and redo it at no charge. That’s the whole promise – written, stamped, and part of every job we do in Orlando. It’s not a line in a brochure. It’s how Paul built this company from the start, and it applies to every duct sealing and repair job we complete.
Written by Paul Adeyemi, Owner, Mortons Air Duct Orlando at Mortons Air Duct Orlando, serving Orlando and nearby areas.