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.
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AfterFast, Reliable Duct Sealing Across Buford
We dispatch our crews to Buford from our Atlanta scheduling office, and most days we’re on Thompson Mill Road, Buford Highway, or down near the mill village within the hour window we promised. Buford’s not a generic suburb to us. We’ve sealed ducts in the 1990s subdivisions off Hamilton Mill Road where builder-grade flex is sagging off plenums, and we’ve crawled through attics in the historic homes near West Main Street where original galvanized steel has been leaking since the tape dried out in the 1980s. Two completely different jobs. Same city. That’s why we don’t quote duct sealing in Buford over the phone without seeing what you’ve actually got back there. Call (361) 326-5060 and we’ll get a technician out to look, price it in writing, and schedule the work.
Why Hollis Air Duct Cleaning Is Buford’s Preferred Duct Sealing Company
We’ve been part of the Garrison Partners family since 2004, and our Duct Sealing in Buford reputation comes from showing up inside the window and leaving the site clean. Roy Castellanos runs this operation under The Garrison Standard, which means written prices, written guarantees, and no moving targets.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. We answer calls with a live person, 24 hours a day, 7 days a week. No voicemail loops. No callback queues. No waiting until Monday to confirm your appointment.
The 365-Day Done Right Promise backs every job in writing. If the seal fails within a year, we come back and make it right at no charge, including a free second visit. That’s not a slogan. It’s printed on every invoice.
Buford homeowners know the difference between a crew that pressures them at the door and one that prices the work, explains the scope, and lets them decide. We’re the second kind.
HVAC Duct Sealing in Buford
HVAC Duct Sealing in Buford means closing the gaps, cracks, and disconnected joints that let your conditioned air leak into attics, crawlspaces, and wall cavities before it ever reaches your rooms. In Buford’s climate, where summers stay hot and humid for months and winters still demand heat, those leaks force your system to run longer, work harder, and wear out faster. A typical HVAC duct sealing job in Buford runs $350 – $850 for a whole-system seal on a standard single-family home, depending on whether we’re working with accessible metal trunk lines or chasing down crushed flex runs buried in walls.
Metal Duct Mastic Sealing
Original galvanized steel ducts, common in Buford’s downtown mill houses, were often sealed with cloth-backed duct tape that degrades in attic heat. We remove the old tape, clean the joints, and apply duct sealing mastic with reinforcing mesh. The mastic stays flexible for decades and creates a permanent airtight bond that tape never could.
Flex Duct Reconnection and Collar Sealing
In Buford’s 1990s – 2010s subdivisions, we find flex duct pulled loose from plenum collars and register boots constantly. The builder-grade material sags over time, and the friction fit loosens. We reconnect with mechanical fasteners, seal with mastic, and support the run properly so it doesn’t happen again next season.
Duct Repair in Buford
Duct Repair in Buford addresses the physical damage that sealing alone won’t fix: crushed runs, rodent-chewed flex, rusted-out metal sections, and completely disconnected branches. Sealing a torn duct is like patching a tire with a nail still in it. The repair comes first. A typical duct repair in Buford runs $200 – $600 for localized fixes, or $800 – $1,400 if we’re replacing multiple runs or a damaged plenum. We price it in writing before we cut or seal anything.
Crushed Run Replacement
We regularly find flex duct crushed behind kitchen cabinets or compressed under insulation in Buford attics. The restriction kills airflow to entire rooms. We replace the damaged section with properly sized flex, support it to prevent future sagging, and seal every joint.
Rodent Damage Repair
Buford’s Lake Lanier-area homes with crawlspace or attic ductwork see rodent intrusion through torn flex barriers. We cut out the chewed sections, install new material, and seal the entry points. If the vapor barrier is compromised, we address that too, because humid Buford summers let condensation feed mildew along exposed insulation.
Trusted Brands We Service in Buford
We seal and repair duct systems connected to every major HVAC brand installed in Buford homes, and we stock parts locally for fast turnaround when a plenum collar, register boot, or transition fitting needs replacement. Our equipment comes from Rotobrush for rotary brush cleaning, Nikro for negative-air source removal, and we specify filtration and sealing products from Abatement Technologies and Guardsman where the job demands it. These are the same tools commercial crews use, not hardware-store gear. When we’re sealing ducts in a Buford subdivision off Thompson Mill Road or a mill house near downtown, we’re working with materials rated for the pressure and temperature cycles your system actually sees.
Common Duct Sealing Problems We See in Buford Homes
- Builder-grade flex sagging and tearing in subdivisions off Thompson Mill Road. The cheap flex installed in Buford’s 1990s – 2010s building boom wasn’t built to last 25 years. It sags between supports, tears at stress points, and pulls loose from plenum collars. We find entire rooms getting no airflow because the duct disconnected years ago.
- Dried duct tape on downtown mill-house metal trunks. Original galvanized ducts near West Main Street were sealed with cloth tape that hardens and flakes off in Buford’s hot attics. Every joint becomes a leak point. The metal itself is often sound, but the seal is gone.
- Rodent intrusion in Lake Lanier-area crawlspace runs. Long duct runs to lake-area homes often pass through crawlspaces where rodents chew through flex vapor barriers. Humid Buford summers then let condensation saturate the exposed insulation, creating mildew and airflow restrictions.
- Disconnected branches at the plenum in homes near Buford Highway. Poor original fastening lets flex branches work loose from the main plenum as the system cycles on and off. The homeowner feels “weak airflow” everywhere because half the supply air is dumping into the attic.
Pricing for Duct Sealing in Buford, GA
A typical whole-system duct sealing in Buford runs $350 – $850. Duct repair, when we need to replace crushed or damaged sections, runs $200 – $600 for localized work or $800 – $1,400 for extensive replacement. What moves the number is simple: metal trunk lines with accessible joints seal faster and cheaper than chasing crushed flex through multiple walls. Homes near downtown Buford with original galvanized and no cleanouts take more time. Subdivisions off Hamilton Mill Road with sagging flex often need reconnection and support work before we seal. We inspect first, price in writing, and agree on one flat price per system before any work starts. No per-vent pricing. No add-ons at the door. Estimates are free. Call (361) 326-5060.
We Also Serve Cities Near Buford
Our crews work throughout Gwinnett and Hall Counties, including Buford, Norcross, Lawrenceville, Suwanee, and Grayson. Same standards, same written pricing, same 365-Day Done Right Promise in every city we serve.
Serving Buford, GA - Our Local Coverage Area
We’re based in the Buford 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 Buford
We seal them in most cases. Original galvanized steel in downtown Buford mill houses is often structurally sound; the failure is the dried duct tape at the joints. We remove the old tape, apply mastic-and-mesh, and pressure-test. Replacement only makes sense if the metal is rusted through or inaccessible. Call (361) 326-5060 and we’ll inspect before we recommend either approach.
Builder-grade flex in Buford’s 1990s – 2010s subdivisions was friction-fit or lightly taped at the plenum collar, not mechanically fastened. Thermal cycling and vibration work it loose over 10 – 15 years. We reconnect with proper mechanical supports and seal with mastic so it stays put. The original installation was built to pass inspection, not to last.
Yes. Buford’s humid subtropical climate means your HVAC runs almost year-round, and unsealed ducts pull hot, humid attic or crawlspace air into the system. That humidity condenses on cool duct surfaces, feeding mildew and forcing your system to dehumidify air it already conditioned. Sealed ducts keep the moisture out and the efficiency in.
We pressure-test the system and use inspection cameras on every Buford job. In mill houses, we look for failed tape at accessible joints. In subdivisions, we trace airflow loss to disconnected branches. We show you what we find before we quote the work, and we pressure-test again when we’re done to prove the seal.
We can seal it if the damage is limited to the vapor barrier or insulation. If rodents have chewed through the flex core itself, we cut out and replace the damaged section first, then seal. We also look for how they’re getting in, because re-sealing doesn’t help if they’ll chew through again next season. Call (361) 326-5060 for a free inspection.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Buford since 2004.