Whole-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.
Before
After
Before
After
Before
AfterFast, Reliable Duct Sealing Across Peachtree Corners
Duct sealing in Peachtree Corners typically runs $850 – $2,400 for a full home system, depending on how much of the original flex duct needs replacing before sealant can hold. Most jobs take a full day, and our Duct Sealing crew schedules Peachtree Corners within 48 hours of your call. We dispatch from our Atlanta office, but our trucks are already making runs up the 141 corridor through Peachtree Corners, Norcross, and Johns Creek every day of the week. Call (361) 326-5060 and we’ll put you on the board.
We’ve been crawling Peachtree Corners attics since 2004. We know the ranch homes off Peachtree Corners Circle with their original R-6 flex duct sagging across 130°F+ August attics. We know the newer townhomes near The Forum where construction debris still sits in the returns. And we know the two-stories off Holcomb Bridge Road where commuter brake dust from Peachtree Industrial gets pulled straight into leaky return plenums. That local knowledge changes what we find, how we fix it, and what we charge.
Why Hollis Air Duct Cleaning Is Peachtree Corners’s Preferred Duct Sealing Company
Peachtree Corners homeowners call us back because we show up inside the window, price in writing before we touch anything, and leave the site clean. That’s The Garrison Standard, and it’s how every Hollis location operates, including ours serving Peachtree Corners.
Our technicians are background-checked and uniformed. You get their name and photo before they arrive. The price we write down is the price you pay. No per-vent add-ons, no “we found another problem” upsells at the door. Our 365-Day Done Right Promise covers every duct sealing job in writing: if the seal fails or the repair doesn’t hold, we come back and make it right at no charge, including a free second visit.
Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No waiting until Monday to get on the schedule.
We’ve built our reputation in Gwinnett and Fulton counties on operational specifics, not adjectives. Arrive inside the window. Price in writing. Complete the job by the book. Leave the site clean. That’s The Garrison Code our techs follow on every Peachtree Corners job.
Air Duct Sealing in Peachtree Corners
Air Duct Sealing in Peachtree Corners starts with understanding what kind of ductwork you’re working with. Most homes here were built in the 1970s – 1990s as part of one of metro Atlanta’s first master-planned communities, with attic air handlers and flexible duct runs that have spent decades in Georgia humidity. The original R-6 flex duct in these attics has often compressed, sagged, or collapsed entirely. Sealant can’t bridge a three-inch gap. So our first step is always a camera inspection to see if we’re sealing joints or replacing runs.
A typical Air Duct Sealing job in Peachtree Corners runs $850 – $1,800 if we’re sealing accessible plenum and trunk connections with mastic and mesh tape. If we need to replace collapsed flex duct before sealing, that range moves to $1,400 – $2,400 depending on linear footage. We always write the full price before any work starts.
When Sealing Works
Sealing works when your flex duct is intact but leaking at joints, plenum connections, or register boots. We use duct sealing mastic rated for 200°F+ attic temperatures, reinforced with mesh tape. Old duct tape peels off in Peachtree Corners attics by October. Mastic doesn’t.
When Replacement Comes First
If the flex duct is collapsed, kinked, or the inner liner is torn, no amount of sealant fixes it. We replace the run with new R-8 insulated flex duct, then seal the new connections. In Peachtree Corners, we see this on about forty percent of 1980s ranch homes we inspect.
Duct Sealing Services in Peachtree Corners
Duct Sealing Services in Peachtree Corners cover more than squirting foam into a vent. We pressure-test the system to find leaks, inspect with a borescope camera, and document what we find before we quote. Peachtree Corners’s specific problems, commuter-driven return plenum contamination and humidity-baked mastic failure, mean we approach these jobs differently than we would in a newer market like Alpharetta.
Our Duct Sealing Services include plenum and trunk sealing, flex duct replacement where needed, register boot sealing, and return air pathway repair. A standard sealing-only job in Peachtree Corners runs $850 – $1,800. Jobs requiring partial flex duct replacement run $1,400 – $2,400. Full system replacement with sealing can reach $3,000+. We write the exact scope and price before we start.
Camera Inspection and Documentation
We run a camera through every accessible duct before we quote. You see what we see. In Peachtree Corners, that often means brake dust buildup in returns from Peachtree Industrial traffic, or collapsed flex duct hidden above a hot attic. No surprises after we start.
Post-Seal Verification
After sealing, we pressure-test again and show you the before-and-after numbers. If the system still leaks above industry standard, we keep working. That’s covered under our 365-Day Done Right Promise.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Peachtree Corners
We seal and service ductwork connected to all major HVAC brands, and we stock filtration products from Honeywell, Aprilaire, and Abatement Technologies for Peachtree Corners customers who want cleaner air after the leaks are fixed. Our equipment roster includes Nikro negative-air machines for source removal jobs where sealing alone won’t solve the problem. We don’t run to a distributor after we arrive. Our trucks carry the mastic, mesh tape, R-8 flex duct, and replacement plenum materials needed for most Peachtree Corners jobs, which means we finish in one visit instead of two.
Common Duct Sealing Problems We See in Peachtree Corners Homes
- Collapsed R-6 flex duct in 1970s – 1990s ranches. The original flex duct in Peachtree Corners Circle and Holcomb Bridge Road homes was never meant to survive forty years of Georgia humidity. It compresses to half its diameter, and sealant can’t bridge that gap. We replace the run, then seal.
- Commuter brake dust in return plenums. Those 45,000+ daily vehicles on the 141/Peachtree Industrial corridor generate fine particulate that gets pulled into leaky return ducts. Sealing without cleaning first just traps that debris in your airflow.
- Baked mastic failure at attic air handlers. Peachtree Corners attics hit 130°F+ in August. Cheap sealant peels within a season. We use mastic rated for sustained high heat, applied over clean metal, not old tape residue.
- Construction debris in newer Peachtree Corners builds. Even homes built in the last decade often have drywall dust, wood chips, and fastener debris in the ducts from rough construction. The builder should have cleaned before handover. Most didn’t. Sealing over that debris locks it in place.
Pricing for Duct Sealing in Peachtree Corners, GA
Here’s what duct sealing actually costs in Peachtree Corners:
| Scope | Price Range |
|---|---|
| Sealing only: plenum, trunk, accessible joints | $850 – $1,800 |
| Sealing with partial flex duct replacement | $1,400 – $2,400 |
| Full system: replacement + sealing | $2,800 – $3,500+ |
What moves you up or down in these ranges: how much attic access we have, how many runs need replacement versus sealing only, whether we need to build custom plenum transitions, and if the job includes source removal (negative-air cleaning) before sealing. We never quote per-vent. One flat price per system, agreed in writing, before we start. Estimates are free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Peachtree Corners
Our crews run daily through Atlanta, South Fulton, Sandy Springs, and Roswell from the same dispatch board that covers Peachtree Corners. Same equipment, same written pricing, same 365-Day Done Right Promise. If you’re just outside Peachtree Corners city limits, we still cover your area on standard scheduling.
Serving Peachtree Corners, GA - Our Local Coverage Area
We’re based in the Peachtree Corners area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Duct Sealing in Peachtree Corners
It depends on what the camera inspection shows. About forty percent of 1980s Peachtree Corners homes we inspect have flex duct that’s collapsed or torn beyond what sealant can bridge. If the inner liner is intact and the insulation is uncompressed, we seal the joints with mastic and mesh tape. If the duct is sagging to half its diameter or the liner is split, replacement comes first. We write the scope and price before we start either way. Call (361) 326-5060 for a free inspection.
Because most builders don’t clean ductwork after construction. Drywall dust, wood chips, fastener debris, and even discarded lunch wrappers get left in the system during rough construction. The HVAC contractor fires up the system, and that debris circulates for years. We see this in townhomes near The Forum and newer builds off Peachtree Parkway. Sealing without cleaning first just traps it. We recommend source removal with a Nikro negative-air machine before any sealing on newer homes.
The builder should have run a negative-air cleaning and protected the ducts during drywall and flooring work. Most don’t. The EPA recommends post-construction duct cleaning, but it’s not enforced in Georgia building codes. If you’re in a Peachtree Corners home built since 2015, assume the ducts have construction debris until proven otherwise. We offer camera inspections that show you exactly what’s in there.
Yes, if your return ducts leak. Peachtree Industrial Boulevard and the 141 corridor carry 45,000+ vehicles daily, and brake dust is extremely fine particulate. Leaky return plenums pull that air straight from the attic or crawl space into your system. We find black, metallic dust in Peachtree Corners returns that matches highway particulate, not typical household dust. Sealing the returns stops the infiltration. Cleaning removes what’s already inside.
Georgia humidity swells the paper backing on old duct tape until it peels, and it compresses flex duct insulation over decades. Peachtree Corners’s long cooling season, May through September with systems running nearly continuously, means ducts stay damp inside for months. That moisture feeds mold at leak points where cold supply air meets humid attic air. We use mold-resistant mastic and verify that sealed joints stay dry under pressure before we close up. Call (361) 326-5060 if you smell musty air when the system runs.
Ready to stop losing conditioned air to your attic? Call Hollis Air Duct Cleaning at (361) 326-5060 for a free duct sealing estimate in Peachtree Corners. We’ll inspect with a camera, write the full price before we start, and back the work with our 365-Day Done Right Promise.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Peachtree Corners since 2004.