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 Atlanta
Most duct repair and sealing jobs in Atlanta run $280-$850 depending on whether we’re sealing accessible seams with mastic or replacing collapsed flex runs in a crawl space. We dispatch from our Atlanta office and typically schedule within 2-4 business days, with most repairs completed in a single visit. Call (470) 495-9370 for a written estimate before any work starts.
Atlanta’s housing stock tells its own story. The 1920s-1950s bungalows in Grant Park and Virginia-Highland were built before central air existed; the retrofit flex duct squeezed through their crawl spaces in the 1970s and 1980s is now sagging, kinked, and leaking. Meanwhile, ranch homes across DeKalb and Cobb counties still run original sheet-metal systems from the 1960s-1980s with seams that have never been sealed. Our Duct Repair & Sealing crews see both patterns weekly. We serve Atlanta homeowners with documented photo records, written upfront pricing, and the 365-Day Done Right Promise on every job.
Why CleanRun Air Duct Cleaning Atlanta Is Atlanta’s Preferred Duct Repair & Sealing Company
We’ve served Atlanta since our founding in 2013, completing over 52,000 jobs with a written price delivered before work started and a documented photo record delivered after. Every technician is background-checked, uniformed, and identified by name before arrival under Haven Standard Clause 3: Verified Crews.
Our Atlanta office coordinates scheduling and dispatch locally. We know the parking restrictions around Ponce de Leon, the narrow crawl spaces beneath Candler Park bungalows, and the shared chases in Mid-rise condo buildings along Peachtree. That local knowledge means we show up with the right equipment and the right plan, not a generic checklist.
Our 365-Day Done Right Promise is backed in writing on every job, not buried in a policy manual. If the work isn’t right, we make it right. We also offer a Free Second Opinion on any competitor’s written estimate, no cost, no obligation.
Customers receive before-and-after photos of every duct run, delivered as part of the standard job record. You see what we found, what we did, and what changed. No vacuum noise masquerading as work.
Our Duct Repair & Sealing Services in Atlanta
Duct Sealing
Duct sealing in Atlanta typically costs $280-$550 for a standard residential system. We use mastic sealant, a thick paste that remains flexible after curing, applied to every accessible seam and joint in your ductwork. In Atlanta’s climate, this matters more than most homeowners realize. Attic temperatures here routinely hit 130-140°F, which degrades the factory tape on flex duct and causes metal seams to expand and contract until they leak conditioned air into your attic. A typical 1920s bungalow off Moreland Avenue might lose 25-35% of its cooled air through these leaks before it ever reaches the registers. We seal the trunk lines, plenum connections, and register boots, then test with a pressure gauge to verify the improvement.
Flex Duct Repair
Flex duct repair in Atlanta runs $340-$720 depending on linear footage and access difficulty. This is our most common repair in intown neighborhoods. The original retrofit flex installed in Grant Park, Candler Park, and Virginia-Highland during the 1970s-1980s was often undersized, poorly supported, and routed through humid crawl spaces. Decades of Georgia humidity have softened the insulation jacket. The inner liner sags and kinks. Collapsed sections become dense traps for oak pollen, pine pollen, and condensate. A standard brush pass can’t clear a fully collapsed run. We cut out the damaged section, install new flex with proper support straps, and seal the connections to the trunk with mastic. Every repair is photographed before and after.
Metal Duct Repair
Metal duct repair in Atlanta typically costs $320-$680. The sheet-metal trunk lines in 1960s-1980s ranch homes across Cobb and DeKalb counties have held up structurally but often suffer from failed seam sealer, rust at low points where condensate collects, and disconnected collars where branches meet the main trunk. We reseal seams with mastic, replace rusted sections with galvanized metal, and reconnect loose collars. In older systems, we sometimes find that original asbestos tape has deteriorated. We handle abatement coordination when needed, documenting every step.
Air Leak Repair
Air leak repair in Atlanta homes ranges from $180 for isolated register boot sealing to $650+ for systemic leak remediation across multiple duct runs. Atlanta’s combination of extreme attic heat and high humidity creates a double failure mode we see constantly: the attic end of a duct run is heat-brittled while the crawl-space end is moisture-softened. Leaks at either end pull unconditioned, particle-laden air into your supply lines. We pressure-test the system, locate leaks with a smoke pencil or thermal camera, and repair with appropriate materials. For apartment and condo buildings with shared chases, we coordinate with building management to isolate the leak source without disrupting neighboring units.
Duct Insulation
Duct insulation replacement in Atlanta runs $380-$850 for typical residential systems. When flex duct insulation has degraded from attic heat or crawl-space moisture, the R-value drops and condensation forms on the exterior of the duct. In humid Atlanta summers, that condensation drips onto ceiling drywall or crawl-space framing. We strip damaged insulation, verify the duct integrity underneath, and re-wrap with new insulation jacket sealed at every seam.
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 Atlanta
Our equipment roster includes Rotobrush mechanical whips for agitation inside duct runs, Nikro negative-pressure extractors for debris removal, and Honeywell and Aprilaire air quality components for integration with your HVAC system. We stock common flex duct diameters, mastic, support straps, and register boots at our Atlanta office, so most repairs don’t wait on parts orders. When we encounter proprietary components in newer construction, we source direct from manufacturer distributors in metro Atlanta with 24-48 hour turnaround.
Common Duct Repair & Sealing Problems We See in Atlanta Homes
- Attic heat cooks flex duct seams. Atlanta attic temperatures exceed 130°F regularly in July and August. The factory-applied tape on flex duct installed in the 1990s-2000s dries, cracks, and releases. Conditioned air leaks into the attic. Your system runs longer. We find this in ranch homes across Smyrna and Marietta, and in newer construction where builders used minimum-spec flex.
- Retrofit flex collapses in humid crawl spaces. In Grant Park, Candler Park, and Virginia-Highland, 1970s-1980s flex duct was often routed through crawl spaces with no proper support. Decades of Georgia humidity soften the insulation. The inner liner sags between joists, kinks at turns, and eventually collapses. Pollen and mold accumulate in the low spots. A Rotobrush whip under negative pressure can clear the accessible sections, but collapsed runs require cutting and replacement.
- Shared chases spread contaminants between units. In intown condos and apartments with stacked systems, a leak in one unit’s return path or a breach in the shared dryer vent stack pushes pollen, dust, and lint into neighboring units. Source removal requires coordinating access across multiple units, which generic duct cleaners rarely manage properly. We schedule with building management and document each unit’s condition independently.
- 1920s-1950s bungalows lack original duct design. Central air was retrofitted decades after construction in neighborhoods like Ormewood Park and Kirkwood. The resulting duct runs are often improvised, with sharp turns, undersized trunks, and registers placed for convenience rather than airflow engineering. Sealing what exists is sometimes less effective than partial redesign. We photograph the system, show you the airflow patterns, and quote both options in writing.
Pricing for Duct Repair & Sealing in Atlanta, GA
Here’s what duct repair and sealing actually costs in the Atlanta market:
| Service | Typical Range |
|---|---|
| Duct sealing with mastic (standard residential) | $280-$550 |
| Flex duct repair / partial replacement | $340-$720 |
| Metal duct repair (seams, collars, rust) | $320-$680 |
| Air leak detection and repair | $180-$650 |
| Duct insulation replacement | $380-$850 |
Three factors push costs toward the higher end: access difficulty (tight crawl spaces or attic hatches), linear footage of damaged duct, and the need to coordinate with building management in multi-unit properties. We deliver a written price before any work starts, every time, under Haven Standard Clause 1. No per-vent pricing. No coupon that balloons once the truck arrives. Bring us a competitor’s written estimate and we’ll provide a Free Second Opinion, our number next to theirs.
Call (470) 495-9370 for a written estimate. Estimates are free.
We Also Serve Cities Near Atlanta
Our crews work throughout the metro area, including Smyrna, Mableton, Marietta, and Decatur. Scheduling and dispatch are coordinated from our Atlanta office. Whether you’re in a 1960s ranch in east Cobb or a bungalow near downtown Decatur, the same documented process applies: written price first, photo record last, 365-Day Done Right Promise on every job.
Serving Atlanta, GA - Our Local Coverage Area
We’re based in the Atlanta 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 Atlanta
The retrofit flex duct installed in Grant Park, Candler Park, and Virginia-Highland during the 1970s-1980s was often routed through humid crawl spaces with inadequate support. Decades of Georgia humidity soften the insulation jacket until the inner liner sags, kinks, and collapses. A mechanical brush can agitate debris in accessible sections, but a fully collapsed run traps pollen and mold in a low spot that negative-pressure extraction can’t reach. Partial replacement restores airflow and removes the contamination source. We photograph the collapse, show you the camera feed, and quote replacement in writing before cutting anything. Call (470) 495-9370 for an exact assessment.
Yes, but it requires source-specific repair rather than generic cleaning. In Atlanta’s intown condos with stacked dryer vents, lint accumulation often indicates a breach in the shared chase or a disconnected collar between units. We inspect the full stack with a camera, identify the breach location, and seal or repair the affected section. Building management coordination is usually required for access to neighboring units. We handle that scheduling and document each unit’s condition independently. The repair stops lint migration and reduces fire risk in the shared pathway. Call (470) 495-9370 to discuss your building’s specific configuration.
Atlanta attic temperatures routinely reach 130-140°F in summer, which exceeds the long-term rating of most factory-applied flex duct tape. The adhesive dries and releases. Seams open. Conditioned air leaks into the attic space, and attic air (dust, insulation particles, pollen) gets drawn into the supply side when the system cycles off. Metal duct seams expand and contract with daily temperature swings until the original sealer cracks. We repair with mastic, which remains flexible after curing, and verify with pressure testing. For systems with repeated failure, we may recommend rerouting out of the attic or upgrading to higher-temp-rated materials. Call (470) 495-9370 for a written evaluation.
Yes, and often more so than in original-construction systems. Retrofit ductwork in Atlanta bungalows was frequently improvised: sharp turns, undersized trunks, registers placed for convenience rather than airflow engineering. Every leak in these systems costs more because the baseline efficiency is already compromised. Sealing the accessible seams with matic typically improves delivered airflow 15-25% in these homes. We photograph the system, pressure-test before and after, and show you the numbers. If the duct layout is too compromised for sealing alone, we’ll quote a partial redesign option in the same written estimate. Call (470) 495-9370 to schedule.
We coordinate directly with building management or the HOA before arrival. Our negative-pressure extractors and camera systems fit through standard doorways and elevators, but we confirm access routes, loading dock hours, and any parking restrictions near your building. In Midtown and Virginia-Highland properties with street-only parking, we schedule to avoid peak traffic windows and carry equipment from the curb. We don’t block fire lanes or resident spaces. Haven Standard Clause 3: Verified Crews means your technician is identified by name before arrival, and we carry proof of insurance for building management on request. Call (470) 495-9370 and we’ll walk through your building’s specific requirements when booking.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Atlanta, serving Atlanta since 2013.