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 Repair & Sealing Across Snellville
Duct repair and sealing in Snellville typically runs $280-$720 for most residential jobs, with flex-duct rebuilds on 1980s and 1990s Gwinnett homes landing in the middle of that range. We dispatch crews to Snellville from our Atlanta coordination office, and most appointments are scheduled within three to five business days. Call (470) 326-1926 for a written estimate delivered before any work starts.
We’ve worked in Snellville since 2013, and the housing stock here tells a consistent story. The brick-front colonials and ranches clustered around Scenic Highway (GA-124), Oak Road, and the neighborhoods near Snellville Park were built during Gwinnett County’s suburban boom from the mid-1980s through the late 1990s. Most used builder-grade flexible ductwork stapled through attics that now regularly exceed 140°F in July and August. That heat degrades the inner liner, causes sagging, and creates disconnections you cannot see from the living room. Our Duct Repair & Sealing team knows what to look for in these specific systems.
Why CleanRun Air Duct Cleaning Johns Creek Is Snellville’s Preferred Duct Repair & Sealing Company
Snellville homeowners have left us documented reviews describing crews that arrived on time, showed before-and-after photos of their actual duct runs, and left written warranties behind. We do not quote over the phone and then change the number on arrival. Haven Standard Clause 1 requires a written price before any panel comes off, and we have held that practice across all 52,000+ homes we have served since 2013.
Our response time to Snellville is typically three to five business days for standard duct repair and sealing, with scheduling coordinated from our Atlanta office. Crews arrive in marked vehicles, uniformed, with name identification provided before the truck turns onto your street. Haven Standard Clause 3, Verified Crews, means background-checked technicians only.
We know the local building patterns. Homes near Centerville Highway and around the Snellville Oaks subdivision share the same garage-mounted air handler layout, the same flex-duct runs across unconditioned attic space, and the same pollen load from dense pine and oak canopy that infiltrates low return grilles. That local knowledge changes what we bring to the job and what we expect to find.
Our Duct Repair & Sealing Services in Snellville
Flex Duct Repair
Flex duct repair is our most common call in Snellville. The builder-grade flexible duct installed in Gwinnett homes from 1985-2000 was never designed for twenty-five to forty years of 140°F attic cycling. The inner liner collapses, the insulation compresses, and the sag creates a choke point that restricts airflow to the second floor. A typical flex-duct repair or rebuild in Snellville runs $340-$580 per run, depending on attic access and whether the plenum connection also needs resealing. We use Abatement Technologies inspection cameras to locate the collapse before cutting anything open, then rebuild with mastic sealant and new insulation rated for Georgia attic conditions.
Duct Sealing
Duct sealing addresses the leaks at joints, plenum connections, and register boots that cost Snellville homeowners conditioned air every summer. We apply mastic sealant, not tape, at every joint. Mastic remains flexible through thermal expansion and contraction, which matters in attics that swing from 40°F in January to 140°F in July. A whole-system duct sealing job in Snellville typically runs $280-$450 for a single-system home. The written scope specifies every joint to be sealed, and the photo record shows each one before and after.
Metal Duct Repair
Some Snellville homes, particularly later builds from the late 1990s and select custom homes near Webb Gin House Road, used hard-pipe metal ductwork. Metal ducts develop leaks at seams and can corrode in high-humidity attic environments. We repair with sheet-metal patches, seal with mastic, and reinsulate where the original wrap has degraded. Metal duct repair in Snellville generally runs $320-$620, with corrosion remediation at the higher end.
Duct Insulation
Insulation on flex duct compresses, tears, or slides down over decades in a Snellville attic. Exposed ductwork bleeds temperature into the attic space, forcing your HVAC system to run longer to hit the thermostat setpoint. We reinsulate with products rated for the temperature extremes of Georgia Piedmont attics, secured so they stay in place. Duct insulation replacement runs $180-$340 per run in most Snellville homes.
Air Leak Repair
Air leak repair targets the gaps between ductwork and drywall, failed register boots, and disconnected return-air pathways that pull attic air directly into your living space. In Snellville’s 1980s and 1990s homes, we frequently find return-air chases that were never properly sealed during construction, creating a direct path for pollen, humidity, and attic particulate. Air leak repair is typically bundled with duct sealing or flex-duct repair; standalone work runs $220-$380.
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.
BeforeAfterTrusted Brands We Service in Snellville
Our equipment roster includes Rotobrush agitation systems, Abatement Technologies negative-pressure extractors, and Honeywell filtration products we install after repair work is complete. We stock Aprilaire media filters and Guardsman-rated sealants for Snellville jobs, which means no waiting on parts for standard repairs. When a Scenic Highway homeowner needs a collapsed flex-duct run rebuilt, we bring the liner, the insulation, the mastic, and the hardware to finish in one visit. The brands are named here so you can look them up before we arrive.
Common Duct Repair & Sealing Problems We See in Snellville Homes
- Hidden inner-liner collapse in attic flex duct. The builder-grade flex installed in 1985-2000 Gwinnett homes degrades from the inside out. Our camera shows a 3-inch debris build-up at the first elbow, or a fully compressed liner ten feet up the run, invisible until the grille comes off and the scope goes in.
- Sagging and disconnection from thermal cycling. Snellville attics exceed 140°F in summer. That heat softens the flex-duct wire helix, causing sag between staples. The sag traps debris and creates a low point where condensation pools, feeding microbial growth that no vacuum pass alone can clear.
- Pollen infiltration through low return grilles. Heavy pine, oak, and sweet gum canopy around Snellville produces some of the highest pollen loads in metro Atlanta. Low return grilles near wooded lots pull that pollen directly into the duct system, where it accumulates on collapsed liner surfaces and becomes a substrate for growth.
- Shared rooftop dryer vents in dense housing. Condo and apartment buildings near Snellville’s commercial corridors often vent dryers through a common stack to the roof. Lint accumulates far beyond the trap, in bends and horizontal runs that standard cleaning cannot reach. The EPA ties this vent neglect directly to fire risk. We clean these stacks with rotary tools and negative-pressure extraction, documenting the before-and-after with photos from inside the duct.
Pricing for Duct Repair & Sealing in Snellville, GA
We publish ranges because Haven Standard Clause 1 requires a written price before work starts, and that price should not surprise anyone.
| Service | Typical Range in Snellville |
|---|---|
| Duct sealing (whole system, single HVAC) | $280-$450 |
| Flex duct repair / rebuild (per run) | $340-$580 |
| Metal duct repair (per section) | $320-$620 |
| Duct insulation replacement (per run) | $180-$340 |
| Air leak repair (standalone) | $220-$380 |
| Combined flex repair + sealing + insulation (typical 1990s colonial) | $580-$920 |
What moves a job to the higher end: multiple collapsed runs, attic access limited by truss spacing, corrosion remediation on metal duct, or discovery of unsealed return-air chases that were hidden behind drywall. What does not affect price: the neighborhood, the home’s market value, or whether you mention a competitor’s coupon. We quote one flat price per system, agreed in writing, before any work begins. Estimates are free. Call (470) 326-1926 to schedule.
We Also Serve Cities Near Snellville
Our crews work throughout Gwinnett and adjacent counties. If you are in Snellville proper, Lawrenceville, Buford, Norcross, or Suwanee, the same scheduling, the same written pricing, and the same documented photo record apply. Dispatch is coordinated from our Atlanta office, with local routing to minimize drive time to your property.
Serving Snellville, GA - Our Local Coverage Area
We’re based in the Snellville 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 - Duct Repair & Sealing in Snellville
The most reliable indicator is uneven cooling between floors, especially in two-story colonials and ranches built 1985-2000, combined with higher-than-expected summer electric bills. We verify with a camera inspection through the return grille, which shows the inner-liner condition without cutting into drywall or attic insulation. Call (470) 326-1926 to schedule a camera inspection; estimates are free.
Yes. We work with property managers and HOA boards for buildings with shared mechanical spaces, rooftop access requirements, or parking restrictions. Our crews carry the H.A.V.E.N. Standard identification required by most Snellville-area management companies, and we schedule around resident hours to minimize disruption. The written scope and photo record are delivered to the property contact as standard.
Snellville’s combination of Piedmont humidity and dense tree canopy creates ideal conditions for microbial growth inside ductwork, especially where inner liners have collapsed and created debris accumulation points. High humidity also degrades mastic and tape adhesives faster than in drier climates, which is why we use sealants rated for Georgia’s temperature and moisture swings. The pollen load here is among the highest in metro Atlanta, so we pay particular attention to return-air pathway integrity during every repair.
A typical 1990s colonial in Snellville with one collapsed flex-duct run, whole-system sealing, and insulation replacement takes four to six hours. Two-story homes with garage air handlers and attic spans across the full footprint require more ladder time than ranch layouts. We give a written time estimate with the price, before work starts.
Yes. We clean shared rooftop dryer vents in Snellville condo and apartment buildings using rotary agitation tools and negative-pressure extraction, with camera documentation from inside the stack. This is a distinct service from duct repair and sealing, and we quote it separately in writing. The EPA ties neglected dryer vent systems directly to fire risk; if your building’s stack has not been cleaned in the last two years, it is overdue. Call (470) 326-1926 for a written estimate.
We pulled the return grille at a brick-front two-story off Scenic Highway and found the builder-grade flex duct’s inner liner compressed ten feet up the run, invisible from the garage air handler. Our tech used camera inspection and agitation tools to expose the sag, then rebuilt the section with mastic sealant and new insulation before dialing in a Honeywell filter at the correct MERV rating. The homeowner said the second floor finally cooled evenly.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Snellville since 2013.