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 Miami Owner’s Guide
If you own Abatement Technologies duct sealing equipment in Miami, you can get replacement parts and repair work done through Hollis Air Duct Miami. An installed duct sealing repair typically runs $280 to $540 depending on which component failed and how much of the sealant line or filter housing needs replacing. Most owners discover the failure the same way: a pressure drop at the access point, sealant not adhering the way it should, or a filter that’s loading up faster than it did when the unit was new.
We’re an independent service provider, not affiliated with Abatement Technologies. What that means for you: we stock compatible sealing components and repair hardware on our trucks, and we’ll give you a written price before we touch the unit. Roy Castellanos has been running crews in Miami long enough to know that humidity here does things to sealant equipment that California classrooms never mentioned.
Which Abatement Technologies Models This Applies To
Most Abatement Technologies duct sealing systems in Miami homes and commercial buildings fall into two camps: the portable negative-air sealing units used for Aeroseal-style applications, and the inline sealing modules that mount into existing duct runs. The quickest way to identify what you have is to check the silver data plate on the blower housing. You’ll see a model prefix followed by a series number. The sealing head assembly and the atomizer nozzle are the two components most often replaced on both styles.
Here’s the compatibility gotcha most owners miss: Abatement Technologies changed the sealing head thread pitch on certain models manufactured after 2018. An older sealing head will not thread onto a newer manifold, and vice versa. If you’re ordering your own part, measure the thread diameter with a caliper before you buy. We’ve seen too many Miami homeowners order a component online that looked right in photos but wouldn’t seat. For OEM versus aftermarket, we stock both. The OEM Abatement Technologies sealing components cost more but carry the factory tolerance spec. Quality aftermarket equivalents from a couple of manufacturers we’ve vetted run 30 to 40 percent less and hold up fine in residential applications. We’ll give you both options with honest numbers.
Styles & brands we work with
Signs Your Abatement Technologies Duct Sealing & Repair Is Failing
- Sealant pooling at the injection point instead of atomizing. This usually means the atomizer nozzle is clogged or the sealing head gasket has deformed from heat exposure. Miami’s summer temperatures accelerate gasket breakdown faster than the manufacturer’s average lifespan estimates suggest.
- Uneven sealant distribution inside the duct. When the sealing head doesn’t rotate smoothly or the bearing is starting to bind, you’ll get thin patches and thick patches. The duct ends up with weak spots that leak air within months.
- Pressure gauge reading lower than expected during sealing runs. A drop in blower pressure often points to a worn impeller or a filter housing that’s not seating tightly. The blower motor itself may still sound fine while this is happening.
- More sealant in the pre-filter than usual. If the atomizer is throwing sealant backward instead of forward, the pre-filter catches it. You’ll notice the filter loading up dark and heavy after a single job instead of several.
- Audible rattle from the sealing head during operation. That rattle is almost always a bearing on its way out. In coastal Miami air, salt accelerates corrosion on exposed bearing surfaces even indoors.
Replacement Cost & What’s Included
For Abatement Technologies duct sealing and repair work in Miami, installed pricing breaks down like this:
- Sealing head replacement: $280 to $410 installed, depending on model year and whether you need the matching gasket kit.
- Atomizer nozzle and feed line replacement: $120 to $190 installed. This is the most common repair we do on these units.
- Filter housing reseal and gasket replacement: $140 to $220 installed.
- Full sealing assembly overhaul (head, nozzle, bearing, gaskets): $430 to $540 installed, which includes testing the unit under load before we leave.
Every price is written down before any work starts, and it does not move at the door. That covers the part, the labor, the testing, and cleanup. The repair itself is covered by our 365-Day Done Right Promise in writing. If the sealing component we installed fails within a year, we come back and fix it at no charge, including a free second visit. No fine print, no pro-rated nonsense.
See the difference
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After
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After
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AfterDIY or Call Us?
There are two things you can safely check yourself before calling anyone. First, inspect the sealing head for visible sealant buildup around the nozzle. Second, check the filter housing latch for a clean, tight seat. Both are simple, safe things to look at that cost you nothing.
Here’s where DIY goes wrong: opening the sealing manifold or attempting to remove the atomizer while the unit is under residual pressure. Sealant lines hold pressure for hours after shutdown, and forcing a fitting open can spray sealant into your eyes or across the room. The same goes for replacing the sealing head bearing without the proper puller tool. You’ll mar the shaft, and the new bearing will fail within months. If you’re dealing with a pressure issue or a component inside the housing, call us at (850) 660-3272. We stock the parts on our trucks for most Abatement Technologies sealing units, and we’ll give you a straight number before we start.
FAQs
In Miami’s heat and humidity, expect 3 to 5 years from the sealing head assembly and 2 to 4 years from the atomizer nozzle before performance starts to degrade. Units run daily in commercial settings sit at the shorter end. Units in residential use that see a job or two per month can stretch beyond that. Call (850) 660-3272 if you want us to assess your specific unit.
Sometimes yes, sometimes no. A clogged atomizer nozzle can almost always be cleaned and put back into service. A deformed gasket or a seized bearing means replacement, because rebuilding those components costs more in labor than installing new parts. We will not sell you a replacement part if we can clean the one you have – that’s the honest answer, and it’s how we run every job in Miami.
Most Abatement Technologies sealing component replacements take 60 to 90 minutes from arrival to testing. A full sealing assembly overhaul runs closer to two hours. We arrive inside our quoted window, price the job in writing, and leave the site clean.
Yes. Our trucks carry sealing heads, atomizer nozzles, gasket kits, bearings, and filter housing components for most Abatement Technologies sealing units. We also stock compatible parts for Lennox, Trane, and Carrier equipment. Call (850) 660-3272 with your model number and we’ll tell you before we even dispatch whether we have the part on hand.
Call for a Straight Price on Abatement Technologies Duct Sealing & Repair in Miami
If your sealing unit is acting up, you don’t need to chase down part numbers or guess at what’s wrong. Call (850) 660-3272 and we’ll walk you through what to check over the phone. If we need to come out, we’ll give you a written price before any work starts. Our techs are background-checked and uniformed, and the work is covered by the 365-Day Done Right Promise. If you can’t explain the job plainly, you probably shouldn’t be doing it. We explain every repair in plain English before we pick up a tool.
Written by Roy Castellanos, Owner, Hollis Air Duct Miami at Hollis Air Duct Miami, serving Miami and nearby areas.