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.
Fast, Reliable Duct Sealing Across Chamblee
Duct sealing in Chamblee typically runs $450 to $1,200 for a whole-home system, and most jobs are completed in a single day. We work throughout Chamblee, including Huntley Hills, Sexton Woods, and the neighborhoods around Peachtree Boulevard and Buford Highway. If you’re smelling musty air in a 1950s ranch or noticing weak airflow in a back bedroom, sealing the ducts often fixes what cleaning alone can’t. Call Hollis Air Duct Sandy Springs at (229) 489-7780 for a written quote before any work begins.
Why Hollis Air Duct Sandy Springs Is Chamblee’s Preferred Duct Sealing Company
Homeowners in Chamblee call us because older ductwork here presents problems that newer cities around Atlanta simply don’t have. The galvanized steel ducts in 1950s and 1960s ranch homes corrode over time, and Chamblee’s humid summers push moisture into every crack and seam. Our technicians know what that looks like before they open the first vent cover. We show up when we said we would, write the price down before touching anything, and leave the site clean when the job is done. Every job carries the 365-Day Done Right Promise in writing. If a seal fails within a year, we return at no charge. That’s the Garrison Standard, and it’s how Roy Castellanos runs every crew that serves Chamblee.
Calls are answered by a live person 24 hours a day, seven days a week. No voicemail loops. No callbacks on Monday. When a Chamblee homeowner has a damp, musty return duct pulling crawlspace air into the system, waiting isn’t a workable option.
Styles & brands we work with




Air Duct Sealing in Chamblee
Air Duct Sealing in Chamblee addresses the leaks, gaps, and failed joints that let conditioned air escape into attics, walls, and crawlspaces before it ever reaches your living room. In practice, our crew starts by locating the leaks: a camera inspection of accessible duct runs, a look at every plenum connection, and a static pressure reading that tells us how hard your blower is fighting. Then we mechanically clean the sealing surfaces, apply commercial-grade mastic, and wrap compromised joints where needed. Most whole-home jobs in Chamblee fall between $450 and $1,200 depending on duct length, access, and how many joints need repair.
What the Sealing Process Fixes
A duct system that leaks 20% of its air costs you money every month and makes some rooms chronically uncomfortable. Sealing restores balanced airflow, which means the back bedroom stops feeling five degrees warmer in August. It also keeps crawlspace humidity out of the air you breathe.
Signs You Need It Now
Musty smells that return within weeks of a duct cleaning are the biggest tell in Chamblee. So are rooms that never quite cool, dust that reappears days after you wipe surfaces, and a system that runs constantly in July without getting the house comfortable. If your ducts are original galvanized steel, they have almost certainly developed leaks somewhere.
Duct Sealing Services in Chamblee
Duct Sealing Services in Chamblee cover everything from single joint repairs to full supply-and-return resealing, and our team brings professional-grade equipment from Rotobrush and Nikro on every job. A small repair around an air handler may cost $200 to $350. A full crawlspace return replacement with sealing runs toward the top of the $450 to $1,200 range. We price per job, in writing, before work begins. No per-vent math. No number that changes once the technician is inside.
Crawlspace Return Sealing
In Huntley Hills and Sexton Woods especially, the return ducts often pull directly from crawlspaces. When those joints leak, you’re paying to condition damp, mold-laden crawlspace air. We seal the return run, address the joint at the air handler, and in many cases wrap the duct board so it stops wicking moisture through the liner. This is a Chamblee-specific repair. Newer slab-on-grade homes in other cities rarely deal with it.

Supply Plenum and Register Sealing
Supply-side leaks send cooled air into the attic or wall cavity, which is money leaving the house. We seal around supply boots at the register, repair plenum connections, and re-check static pressure after the work. You feel the difference at the vent within hours.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Chamblee
Our crews service and seal duct systems from every major manufacturer, and we keep common sealing supplies and replacement parts on hand for faster turnaround in Chamblee. Equipment includes Rotobrush rotary brush systems for pre-seal cleaning, Nikro negative-air machines for containment during the job, and filtration products from Abatement Technologies and Guardsman. If your system runs Honeywell or Aprilaire filtration, we’re familiar with those housings and how they integrate into the duct run. The same tooling commercial crews use, applied to a 1960s ranch in Chamblee, explained in plain terms before we start.
See the difference
Before
After
Before
After
Before
AfterCommon Duct Sealing Problems We See in Chamblee Homes
- Mastic peeling off corroded galvanized steel. Chamblee’s original 1950s ducts develop a scale layer, and mastic applied over that scale peels within a season. We mechanically clean every sealing surface first. It takes longer, but the seal actually holds.
- Return ducts pulling crawlspace air. Leaky returns in Huntley Hills and Sexton Woods keep sucking humid air even after visible gaps are sealed, because unsealed duct board insulation wicks moisture through the liner. The liner itself has to be addressed, not just the joints.
- Hairline cracks only showing under blower pressure. Oversized blower motors on older ranch homes create enough negative pressure to pull air through cracks a visual inspection alone misses. A blower-door test catches them. A spot seal job doesn’t.
- Musty smell returning after cleaning. When a homeowner in Chamblee tells us they had ducts cleaned and the smell came back in weeks, the cause is almost always a leak on the return side pulling crawlspace air. Cleaning removes what’s there. Sealing stops what keeps coming back.
Pricing for Duct Sealing in Chamblee, GA
Here’s the honest math for Chamblee. A single joint repair or register reseal runs $200 to $350. A partial system seal, typically the return side plus plenum connections, runs $450 to $800. A full supply-and-return sealing job, including crawlspace work and duct board wrapping where needed, runs $800 to $1,200. What steers the number: how many linear feet of duct, whether the crawlspace is accessible, and how much corrosion needs to be cleaned before mastic goes on. Every quote is written down before work starts, and it does not move at the door. Call (229) 489-7780 for a free estimate.
Key Takeaways
- Whole-home duct sealing in Chamblee: $450 to $1,200
- Single joint or register repair: $200 to $350
- Written price before work begins, every time
- 365-Day Done Right Promise covers every seal for a full year
- Crawlspace return sealing is the Chamblee-specific fix that stops musty smells
We Also Serve Cities Near Chamblee
Our crews regularly work alongside homeowners in Sandy Springs, Holly Springs, North Atlanta, and Stone Mountain. If you’re just outside Chamblee and need duct sealing, the same written pricing and 365-Day guarantee apply. See Duct Sealing for the full scope of what we do, or call (229) 489-7780 and we’ll get your Chamblee-area job scheduled.
Serving Chamblee, GA - Our Local Coverage Area
We’re based in the Chamblee 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 Chamblee
For a Chamblee home on an unpaved road or a heavily treed lot, plan on duct sealing every 6 to 10 years. The sealing itself isn’t wear-and-tear in the way cleaning is; mastic seals fail when dust and pollen load forces the blower to work harder, when crawlspace moisture corrodes the metal underneath, or when older duct board degrades. If you see dust returning to surfaces within days of dusting, or smell mustiness after rain, it’s time for an inspection rather than waiting on a calendar. Call (229) 489-7780 for an exact assessment and a free written estimate.
Duct sealing handles the part of the smell that’s moving through your system, but in Huntley Hills ranches the crawlspace itself often needs separate attention. Here’s the distinction. If the return duct has gaps at a joint pulling damp air directly into the air handler, sealing and wrapping that joint stops the smell at the source. If the crawlspace has standing water or an open dirt floor with no vapor barrier, sealing the ducts is a partial fix. We’ll tell you which situation you have before quoting anything. The Written Price includes a camera inspection that shows exactly what’s leaking.
Yes, we seal small duct runs serving detached garages, workshops, and outbuildings around Chamblee. These are usually short runs with one or two supply registers and a single return, which puts them at the low end of the $200 to $450 range. The work is the same: mechanically clean the surfaces, apply mastic, and check static pressure afterward. If the outbuilding is on an unpaved surface and pulls in dust, we may recommend sealing more often than the main house. Call (229) 489-7780 for a quote on a detached system.
Mastic outlasts tape by a wide margin in Chamblee’s humidity. Foil tape loses adhesion when crawlspace moisture works on the edges, and the adhesive breaks down within a few seasons. Commercial-grade mastic applied over a mechanically cleaned surface bonds to the metal and flexes with temperature changes without cracking. For fiberglass duct board, we use mastic designed for porous surfaces. We don’t use tape as a primary seal, period. The climate here is hard on shortcuts, and a tape-only job is a shortcut.
You need the ducts cleaned before sealing, and we handle both. Applying mastic over dust, pollen, or corrosion scale guarantees the seal will fail, because the mastic adheres to the layer of debris rather than the duct surface. We run a Rotobrush or Nikro cleaning pass on the sealing surface first, then apply the mastic. This isn’t a bundled upsell; it’s part of doing the job correctly the first time. Everything is included in the written price. Call (229) 489-7780 for a free estimate that covers both steps.
Written by Roy Castellanos, Owner at Hollis Air Duct Sandy Springs, serving Chamblee under The Garrison Standard.