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 Sandy Springs
Duct repair and sealing in Sandy Springs typically costs $280-$890 depending on whether you’re looking at spot sealing with mastic or full flex duct replacement in a multi-zone system. Most Sandy Springs homes we work on need more than a cleaning - they need the disconnected runs reconnected, the collapsed flex replaced, and the leaks sealed so the air actually reaches the rooms it was meant to serve. Call (470) 326-1926 for a written estimate before any work starts.
Our crews serve Sandy Springs from our Atlanta office, and we know the local housing stock well. The 1970s-1990s executive homes near the Chattahoochee, the newer custom builds off Glenridge, the ranch-style neighborhoods threading between Roswell Road and Johnson Ferry - we’ve photographed the inside of ductwork in all of them. That local knowledge matters because Sandy Springs presents a specific repair profile: original flex duct that’s been cooking in river-corridor humidity for three decades, multi-zone systems with runs long enough to hide real problems, and pollen loads that turn return ducts into filters.
Why CleanRun Air Duct Cleaning Johns Creek Is Sandy Springs’s Preferred Duct Repair & Sealing Company
We’ve been serving Sandy Springs homeowners since 2013, and the pattern is consistent. These are high-price-point buyers who researched every category before they bought their home. They expect the same rigor from service providers. That’s why we built our process around documentation, not promises.
Every job starts with a written price delivered before a single panel comes off - Haven Standard Clause 1, no exceptions. Every duct run is photographed before and after, and that photo record is yours as a standard deliverable, not an upsell. Our technicians are background-checked, uniformed, and identified by name before arrival - Haven Standard Clause 3: Verified Crews. And every repair is backed by our 365-Day Done Right Promise in writing.
We don’t do $79 coupons. We don’t do “call for a quote.” We do documented work at a named price, and we’ve done it in more than 52,000 homes.
Our Duct Repair & Sealing Services in Sandy Springs
Flex Duct Repair
This is the core of what we do in Sandy Springs. The city’s 1970s-1990s executive homes, many built during the Perimeter business district boom, still run original fiberglass flex ductwork now 30-50 years old. That material degrades differently here than in drier suburbs. The Chattahoochee River corridor on Sandy Springs’s western edge creates a localized humidity elevation that the original duct liner was never rated to handle. We regularly pull flex sections in Riverside and other river-adjacent neighborhoods where the inner core has collapsed and the liner carries visible mold.
Our flex duct repair process starts with camera inspection to locate the failure, then replacement with properly rated material and reconnection at the plenum and boot. We use professional-grade equipment from Rotobrush and Abatement Technologies for extraction and preparation, and we photograph every stage.
Duct Sealing
Even intact ductwork leaks. Joints separate, boots pull away from drywall, plenum connections loosen from thermal cycling. In Sandy Springs’s larger homes - many exceed 3,000-5,000 square feet with multiple HVAC systems - those leaks add up to significant efficiency loss and uneven temperatures between floors.
Our Duct Repair & Sealing team seals every accessible joint with mastic sealant, the industry standard for permanent repair. Mastic remains flexible, won’t crack like tape, and is applied to prepared surfaces so it bonds properly. We seal supply and return plenums, boot connections, and longitudinal seams in metal trunk lines. The goal is simple: the air you’ve already paid to condition should reach the register, not the crawl space.
Metal Duct Repair
Some Sandy Springs homes, particularly the older ranch-style stock and certain 2000s custom builds, use galvanized steel trunk lines with flex branch takeoffs. These metal runs can corrode in humid crawl spaces, separate at longitudinal seams, or suffer damage from previous contractor work. We repair or replace damaged metal sections, seal seams with mastic, and ensure proper support to prevent sagging that creates new low points for moisture collection.
Duct Insulation
Uninsulated or degraded duct insulation in Sandy Springs’s humid climate means condensation on cool surfaces, which means moisture inside the system, which means the conditions that support microbial growth. We replace degraded insulation with properly rated material, sealed at seams, to maintain thermal barrier integrity and prevent the moisture intrusion that’s already a heightened risk in river-corridor homes.
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 Sandy Springs
We carry and install equipment from Aprilaire, Guardsman, and Rotobrush - brands that publish specifications customers can verify independently. For Sandy Springs homeowners, this means parts availability without extended wait times for metro-Atlanta delivery. When we identify a failed component during camera inspection, we can specify the replacement by manufacturer and model, source it promptly, and complete the repair without return visits. Our technicians train on the same equipment roster - Honeywell controls, Abatement Technologies negative-pressure systems, Nikro HEPA extractors - so the tools match the job and the documentation matches the work performed.
Common Duct Repair & Sealing Problems We See in Sandy Springs Homes
- Collapsed flex duct inner cores in river-adjacent neighborhoods. The original 1980s fiberglass flex in Riverside and other Chattahoochee-proximate homes wasn’t rated for sustained humidity exposure. Decades later, the inner wire helix corrodes and the core collapses, blocking airflow to far registers while the blower strains against the restriction.
- Mold growth on duct liner that sealing alone won’t fix. River-bottomland moisture gets pulled into crawl-space and basement duct runs. When our camera shows mold on the interior liner, we remove the contaminated section before any sealing work - sealing over active microbial growth just traps the problem.
- Disconnected supply branches in multi-zone systems. Sandy Springs’s larger 2000s-era custom homes often feature complex zoned layouts with long duct runs. Camera inspection regularly reveals branches that have separated at takeoffs, sometimes for years, silently starving rooms of conditioned air while the homeowner compensates with thermostat adjustments.
- Pollen-compromised returns each spring. Atlanta’s metro pollen load - driven by the oak and loblolly pine canopy Sandy Springs retains - overwhelms standard filters and packs return ductwork with particulate. This accelerates buildup, restricts airflow, and masks underlying leaks because the system was already underperforming before the duct failure.
Pricing for Duct Repair & Sealing in Sandy Springs, GA
Here’s what duct repair and sealing actually costs in Sandy Springs’s market:
| Service | Typical Range |
|---|---|
| Spot duct sealing with mastic (single system, accessible joints) | $280-$450 |
| Flex duct section replacement (single run, including camera inspection) | $340-$620 |
| Multi-zone sealing and repair (2+ systems, full accessible joint treatment) | $580-$890 |
| Mold-contaminated flex removal and replacement with sealing | $720-$1,400 |
These ranges reflect Sandy Springs’s housing stock: larger homes, older original ductwork, and the multi-system complexity that comes with both. What moves a job toward the higher end is accessibility (crawl space height, attic temperature), the number of failed sections found during camera inspection, and whether contaminated material requires removal before sealing can begin.
We deliver a written price before any work starts - Haven Standard Clause 1 - and that price is flat per system, not per vent. Bring a competitor’s written estimate and we’ll provide a Free Second Opinion, our number next to theirs. Estimates are free. Call (470) 326-1926.
We Also Serve Cities Near Sandy Springs
Our crews work throughout north metro Atlanta, including Sandy Springs and neighboring Johns Creek, Duluth, Alpharetta, and Norcross. Scheduling and dispatch are coordinated from our Atlanta office, with local routing that keeps response times reasonable across the service area.
Serving Sandy Springs, GA - Our Local Coverage Area
We’re based in the Sandy Springs 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 Sandy Springs
Sandy Springs’s dominant housing stock is 1970s-1990s executive homes with original flex ductwork now 30-50 years old, combined with river-corridor humidity that accelerates material degradation. Newer suburbs built in the 2000s and 2010s used duct materials rated for higher moisture exposure and typically have simpler single-zone systems with shorter runs. The age, scale, and environmental exposure in Sandy Springs create a repair profile we rarely see in those markets. Call (470) 326-1926 for a camera inspection and written estimate.
We run a camera through every accessible duct run and photograph what we find. A disconnected branch shows clear separation at the takeoff or boot. A crushed flex core shows the wire helix collapsed inward, often with debris accumulation upstream. Both conditions are documented in your photo record before we recommend repair. The camera doesn’t guess - it shows. Schedule an inspection at (470) 326-1926.
Yes. The Chattahoochee River bottomlands create a localized moisture corridor that pulls humid air into crawl-space and basement duct systems. We regularly find visible mold on interior duct liner in Riverside and adjacent areas, particularly in homes with 1980s-era flex that was never rated for sustained humidity exposure. When we find it, we remove the contaminated section before sealing - sealing over mold traps the problem and can spread spores when the system runs. Call (470) 326-1926 if you smell mustiness from registers or have humidity concerns.
Duct sealing involves applying mastic sealant to every accessible joint, boot connection, and plenum seam in your duct system. Mastic remains flexible, won’t degrade like tape, and creates a permanent air barrier. It’s worth doing after cleaning because cleaning removes buildup but doesn’t fix the leaks that allowed unfiltered air to enter and conditioned air to escape. A cleaned, sealed system performs as designed; a cleaned, unsealed system continues leaking. We price sealing separately from cleaning so you know exactly what each costs. Written estimates at (470) 326-1926.
Atlanta’s metro pollen load consistently ranks among the worst in the US, driven by the heavy oak and loblolly pine canopy that Sandy Springs still retains. That pollen overwhelms standard filters and accumulates in return ductwork, restricting airflow and forcing the blower to work harder. In homes with existing leaks, the pressure imbalance pulls even more unfiltered air into the system, compounding the problem year over year. Sealing leaks reduces this infiltration and protects the system you just paid to clean. For a pre-season inspection and written sealing estimate, call (470) 326-1926.
On a 1986 traditional in Riverside with three original HVAC systems, our tech ran camera inspection and found a separated flex run off the air handler feeding the master suite, plus a collapsed inner core on the return in the crawl space with visible mold on the liner. We reconnected the supply, replaced the failed flex section, applied mastic sealant at every boot and plenum joint, and sealed the remaining runs - restoring balanced airflow to the second floor. The customer received before-and-after photos of every run, a written scope of work, and our 365-Day Done Right Promise.
That’s how we work. Written price first. Documented photo record included. No per-vent pricing, no teaser coupons, no surprises when the truck leaves. If you’re in Sandy Springs and suspect your ductwork is leaking, disconnected, or worse, call (470) 326-1926. We’ll put a named price in writing before any work starts, and we’ll show you what we found so you can decide with evidence.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Sandy Springs since 2013.