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 in Alpharetta: What to Know First
Our crews seal Abatement Technologies duct systems in Alpharetta homes for a fixed written price that ranges from $450 to $1,400, depending on accessibility and how much of the system leaks. Most jobs are done in one visit, usually four to seven hours. We’re an independent Abatement Technologies service provider, not a factory arm, so our only loyalty is to the homeowner writing the check.
This page is for Alpharetta residents and business owners who have Abatement Technologies equipment and know the ducts are leaking. If that’s you, call (762) 769-7145 and tell whoever answers what you’re hearing or seeing. We’ll walk through it and get you on the schedule.
How Abatement Technologies Products Fail – and How We Fix Them
- Connector collar separation on older flexible duct runs. We see this often on Abatement Technologies IAQ systems installed in Alpharetta homes during the early 2000s. The crimped metal collar at the air handler connection loosens over time, especially after a few Georgia summers of expansion and contraction. The duct looks connected from outside; it isn’t. We pull the duct back, clean the mating surfaces, reseat the collar, and apply duct sealing mastic plus a mechanical draw band before wrapping it.
- Supply plenum cracks on sheet metal transitions. When a home has rigid duct connected to an Abatement Technologies unit, the sheet metal plenum takes a beating. Temperature swings between the attic’s 130-degree summer heat and 55-degree conditioned air flex the metal at the seam. Hairline cracks form. We reseal those with mastic and fiberglass mesh tape, not foil tape, because foil tape releases after a year or two in an Alpharetta attic.
- Return-side leakage pulling attic air into the system. The Abatement Technologies HEPA units move real air volume, and a restricted return makes the system hunt for air. The negative pressure pulls dusty attic air through unsealed return connections, and the homeowner wonders why the filter looks awful and the air feels heavy. We seal the returns first, then check static pressure to confirm the system is breathing the way the factory intended.
- Flex duct compression and kinks behind walls and ceilings. In Alpharetta homes built in the late 1990s and 2000s, especially two-story floorplans around Kimball Bridge Road and Windward Parkway, installers sometimes stretched flex duct tight across framing. A tight bend plus attic heat plus years of vibration equals a choke point. We find the kink, repair the run if needed, and seal every joint. If the duct is too far gone, we tell you straight and give you a written price to replace that section.
- Damper and balancing issues mistaken for duct leaks. Some Abatement Technologies installations in this market had manual volume dampers that were never actually set. That means one bedroom gets blasted and another starves. Before we seal anything, we test airflow at every register to separate a duct leak from a damper problem. If it’s the damper, we adjust it. If it’s a leak, we seal it. You don’t pay for guesswork.
Styles & brands we work with
Our Abatement Technologies Duct Sealing Process
- 1
We walk the system with you. We inspect the air handler, the supply and return plenums, and every accessible duct run. Roy Castellanos has been doing this long enough that he checks registers and returns the way a mechanic checks a car he’s about to buy – all of them, not just the easy ones.
- 2
We test before we quote. We run the system and take airflow readings at each register. That gives us a baseline and separates leaks from dampers, kinks, or undersized returns. The written price reflects what we actually found, not a guess.
- 3
We write the price and hand it to you before any work starts. It doesn’t move at the door. Parts, labor, materials, and access are all on the sheet.
- 4
We seal to spec. Duct sealing mastic, mesh tape, and draw bands at every joint and connection feeding or returning from the Abatement Technologies unit. No shortcuts, no foil tape over a gap and a handshake.
- 5
We retest after sealing. Airflow readings get taken again so you can see the difference in numbers. Before and after photos of the work are yours, not just ours.
- 6
We walk the job and clean up. Every register is back, every access panel is sealed, and the workspace is cleaner than we found it. Then we show you the work and leave you the written guarantee.
See the difference
Before
After
Before
After
Before
AfterWhat Abatement Technologies Duct Sealing Costs in Alpharetta
Here are the ranges we quote in Alpharetta for Abatement Technologies duct sealing work:
- Single visible leak at a plenum or collar: $250 – $450
- Sealing all accessible duct joints in a typical 2,000 – 2,800 sq ft home: $450 – $850
- Full-system sealing with plenum repair and multiple flex runs replaced: $900 – $1,400
- Return-side correction with duct modifications and rebalancing: $500 – $1,100
What moves the price: attic access and clearance, how much of the ductwork is actually reachable, and whether we find kinked or crushed flex that needs replacement rather than sealing. We will not quote a per-vent number to get a foot in the door. You get one written price for the whole system before we touch anything. Call (762) 769-7145 for a free estimate.
Why Alpharetta Homeowners Call Hollis Air Duct Alpharetta for Abatement Technologies Work
Every duct sealing job we do in Alpharetta is covered by the 365-Day Done Right Promise, in writing. If a sealed joint fails within a year, we come back and fix it at no charge, including a second visit. That is the guarantee, spelled out on paper, not implied by handshake.
Our technicians are background-checked and uniformed. They arrive inside the quoted window, hand you a written price before any tool comes off the truck, and work under The Garrison Code, which says the job gets done by the book and the site gets left clean. We run Abatement Technologies equipment as part of a professional-grade roster that includes Rotobrush rotary brush systems, Nikro negative-air machines, and filtration from Honeywell, Aprilaire, and Guardsman. We also service Lennox, Trane, and Carrier systems around Alpharetta, so we see the full picture of what’s in local homes, not one brand’s marketing sheet.
FAQs
No. Duct sealing done to industry standard does not void an Abatement Technologies equipment warranty. The warranty covers the unit; the ducts are installed field work. We use mastic and mechanical connections that meet code and keep the manufacturer’s equipment operating within its airflow spec. We also document everything with before-and-after photos in case you ever need a paper trail. Call (762) 769-7145 and we’ll walk you through what’s covered.
Rooms that never reach the thermostat temperature, filters that load up fast, or a dusty smell in the return air are the three tells we see most in Alpharetta homes. A leak on the return side pulls attic air into the system, and a leak on the supply side pushes conditioned air into the attic. If you are changing filters twice as often as you used to, call us for an airflow test. If the numbers show a leak, you’ll see it. If they don’t, we will tell you that too.
Because they are quoting a different job. A low per-vent rate often means a technician who seals one or two visible joints, tells you the rest is “fine,” and leaves before you’ve seen any proof. Our written price covers the whole accessible system, tested before and after, with photos and a one-year written promise behind it. Compare the sheet, not the headline number. Call (762) 769-7145 for an honest written estimate.
Most Alpharetta homes are done in one visit, typically four to seven hours. If we find kinked flex or damaged runs that need replacement, that may extend the job by a day depending on part availability. We do not invent a rush fee to sound faster. We schedule a realistic window and arrive inside it.
We find it with airflow testing at the registers and static pressure readings at the unit. A duct buried in a wall doesn’t hide from a pressure reading. We locate the restriction or leak, quote the repair in writing, and only open up what needs opening. Clean ducts don’t announce themselves; you just breathe better and the filter stays cleaner longer.
Written by Roy Castellanos, Owner, Hollis Air Duct Alpharetta at Hollis Air Duct Alpharetta, serving Alpharetta and nearby areas.