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.
Fast, Reliable Duct Repair & Sealing Across Holly Springs
Duct repair and sealing in Holly Springs, GA typically costs $280-$650 for most residential jobs, with flex duct repair running $180-$340 per run and full-system mastic sealing ranging $450-$850 depending on duct configuration. Most Holly Springs homes built during the 2000s-2010s boom need this work for the first time right about now. Crews dispatch from our Atlanta office and serve Holly Springs directly - call (470) 516-9337 for a written estimate before any work starts.
We’re familiar with the subdivision layouts throughout Holly Springs, from the winding streets around Harmony on the Lakes to the newer phases along Sixes Road and the homes backing up to open land toward the Cherokee County line. That local knowledge matters when we’re routing to your house and when we’re diagnosing what your particular attic flex duct system is likely to show us.
Why CleanRun Air Duct Cleaning Marietta Is Holly Springs’s Preferred Duct Repair & Sealing Company
Our Duct Repair & Sealing team has documented work in Holly Springs subdivisions since 2013, and the pattern is remarkably consistent: 15-25 year old attic flex duct, original builder-grade hangers, and pollen debris loads that outpace what we see closer to Atlanta. That consistency means we arrive knowing what to inspect first.
Holly Springs homeowners leave reviews that specifically mention the photo record - seeing their own duct interiors before and after, not taking a technician’s word for it. The 365-Day Done Right Promise is backed in writing on every job, not offered as a verbal afterthought. Haven Standard Clause 1 requires a written price before any work starts; no exceptions in Holly Springs or anywhere else we serve.
Calls are answered by a live person, and our technicians are background-checked, uniformed, and identified by name before arrival - Haven Standard Clause 3: Verified Crews. Scheduling is coordinated from our Atlanta office, with crews serving Holly Springs locally.
Our Duct Repair & Sealing Services in Holly Springs

Duct Sealing
Duct sealing in Holly Springs addresses the joint separations that develop after 15-20 years of thermal cycling in hot attics. We use mastic sealant, not tape, at every connection point - mastic remains flexible and airtight where foil tape dries and fails. A typical Holly Springs duct sealing job runs $450-$850 for a full system, depending on the number of runs and the accessibility of the plenum (the main distribution box, where all your duct runs connect). Every sealed joint is photographed before and after as part of the standard Documented Photo Record.

Flex Duct Repair
Flex duct repair is the most common service we perform in Holly Springs. The 2000s-2010s build-out here used flexible ductwork almost exclusively for attic runs, and those runs are now hitting the age where hangers fail, sags develop, and the inner liner tears at stress points. Repair costs $180-$340 per run, including re-support, section replacement where needed, and reconnection to the plenum. We use professional-grade materials - Guardsman flex duct and Nikro HEPA-negative-pressure equipment during the repair process to protect your home’s air quality while we’re working.

Metal Duct Repair
Metal duct repair in Holly Springs is less common than flex work but shows up in older custom homes and in the transition sections near air handlers. Rust-through at condensate collection points, separated seams from thermal expansion, and damaged take-off collars are typical issues. Metal repair runs $220-$480 depending on access and the extent of section replacement. We fabricate replacement sections on-site when possible to minimize return visits.

Duct Insulation
Duct insulation in Holly Springs addresses a problem specific to our Cherokee County foothills climate: summer condensation inside poorly insulated attic flex duct. The humid subtropical air hits the cool duct surface and sweats, creating conditions for mold that joint sealing alone won’t fix. Insulation replacement or augmentation runs $320-$580 for typical systems, using materials rated for attic temperatures that regularly exceed 130°F in July. Proper insulation also reduces the cooling load on your HVAC system, which matters when you’re running AC from May through September.

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.
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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.
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AfterTrusted Brands We Service in Holly Springs
CleanRun carries professional-grade equipment and materials from trade-recognized brands: Rotobrush agitation systems for duct interior cleaning, Abatement Technologies HEPA-negative-pressure machines for containment during repair work, and Guardsman flex duct and insulation products for replacements. We stock common flex duct diameters and mastic compounds used in Holly Springs homes, so most repairs don’t wait on parts. Our technicians can tell you exactly what brand and specification will be used on your job before you agree to the written price - and you can verify those specifications independently.
Common Duct Repair & Sealing Problems We See in Holly Springs Homes

- Sagged flex duct bellies from failed hangers. The original plastic straps used in 2000s-2010s Holly Springs construction degrade in attic heat. Undersupported hangers let the duct belly downward, creating low spots where red Georgia clay dust, blown-in insulation fibers, and pollen debris collect. A single vacuum pass won’t clear these - the section must be re-supported and the debris agitated out under negative pressure.
- Pollen debris coating beyond what filters catch. Holly Springs sits in one of the highest tree-pollen-load corridors in the country. Spring pine and oak pollen overwhelms standard 1-inch pleated filters within days, and the fine particles that pass through settle in duct interiors. Filter changes help but don’t eliminate the buildup that requires professional cleaning and sealing.
- Condensation-related mold in poorly insulated runs. The combination of humid subtropical summers and 130°F+ attic temperatures creates persistent condensation on under-insulated flex duct. Surface mold develops at the condensation points, particularly where the duct sags and airflow stagnates. Sealing without insulation correction leaves the root cause active.
- Joint separations at plenum connections. Thermal cycling over 15-20 years loosens the mechanical connections between flex duct and the plenum. Conditioned air leaks into the attic before reaching your registers, raising energy bills and reducing comfort. Mastic sealing restores the airtight connection and is photographed for your record.
Pricing for Duct Repair & Sealing in Holly Springs, GA
Here’s what duct repair and sealing costs in the Holly Springs market:
| Service | Typical Range |
|---|---|
| Flex duct repair (per run) | $180 - $340 |
| Metal duct repair (per section) | $220 - $480 |
| Full-system mastic duct sealing | $450 - $850 |
| Duct insulation replacement/augmentation | $320 - $580 |
| Camera inspection with written report | $125 - $195 |
These ranges reflect Holly Springs’s typical two-story, attic-flex-duct configurations. Homes with more complex zoning, hard-to-access crawl spaces, or extensive section replacement needs may fall outside these brackets - which is why we provide a written, itemized price before any work starts, every time, under Haven Standard Clause 1. No per-vent pricing, no teaser rates that balloon 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) 516-9337 for a free estimate - we’ll inspect your system, show you what the camera sees, and deliver a written price you can decide on without pressure.
We Also Serve Cities Near Holly Springs

Our crews regularly work in Holly Springs and the surrounding Cherokee and North Fulton area, including Woodstock, Roswell, Kennesaw, and Alpharetta. The same written-price-first protocol, same Documented Photo Record, and same 365-Day Done Right Promise apply in every city we serve.
Serving Holly Springs, GA - Our Local Coverage Area
We’re based in the Holly 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 Holly Springs

Every 3-5 years for Holly Springs homes with 2000s-era attic flex duct, with sealing inspection every 2-3 years if you’re seeing energy bill increases or room-to-room temperature differences. The combination of severe foothills pollen and rural dust from unpaved roads and open land means ducts here load faster than in denser suburbs. Homes on gravel roads or with significant tree-line exposure should lean toward the shorter interval. Call (470) 516-9337 and we’ll camera-inspect your system to give you a specific interval based on what we find.
The original plastic hanger straps installed during the 2000s-2010s construction boom degrade in sustained attic heat above 130°F. Once a strap fails, the flex duct belly sags, trapping debris and restricting airflow. In Harmony on the Lakes and similar subdivisions, we find this on the majority of first-time service calls. Re-supporting the run with proper metal strap and correcting the sag restores both airflow and long-term durability. The correction is photographed before and after for your record.
Yes. Holly Springs’s Cherokee County foothills location creates one of the most severe spring pollen environments in the country. Standard 1-inch filters load within days during peak pine and oak season, and the fine particles that bypass the filter settle in duct interiors. We’ve photographed duct runs in Holly Springs with visible pollen debris accumulation at elbows and low points. Professional cleaning removes this buildup; proper sealing prevents re-entrainment from attic leaks.
A standard visit includes: camera inspection of accessible duct runs to map damage and debris locations; written price delivered before work begins; debris removal using agitation tools under HEPA-negative-pressure extraction; repair or replacement of damaged flex or metal sections; mastic sealing of all accessible joints; re-support of sagged runs; static pressure verification at the air handler; and a Documented Photo Record of every run, before and after, delivered to you as part of the job file. The 365-Day Done Right Promise covers all work in writing.
Yes, we service outbuilding and detached garage HVAC systems in Holly Springs, including the rural properties on larger lots toward the county line. These systems face amplified dust loading from unpaved driveways and open land, and they often use the same flex duct methods as the main house but with less frequent maintenance attention. We apply the same written-price-first protocol and photo documentation. Note that longer service drives to outlying properties may affect scheduling; mention the detached system when you call (470) 516-9337 so we route the appropriate crew and equipment.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Holly Springs since 2013.




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