Fast, Reliable Duct Repair & Sealing Across Columbus
Duct repair and sealing in Columbus, GA typically runs $180–$650 depending on whether we’re sealing joints with mastic, replacing degraded flex duct, or rebuilding fiberglass duct board in older slab homes. Most Columbus jobs are completed same-day, and we carry the equipment to handle both standard residential repairs and the longer duct runs common on acreage properties outside the city limits. Call us at (877) 565-7296 for a free estimate.

We’ve been driving down to Columbus from our Atlanta base for years, and we know the difference between a quick mastic seal job in a newer North Columbus home and the full duct replacement that a 1970s ranch off Victory Drive usually needs. Scott Gray has spent two decades in crawlspaces and attics across Georgia, and that experience shows up at your door — not a subcontractor learning on your system. Whether you’re dealing with moldy flex duct in a Fort Moore rental or need heavy-duty repairs on a detached workshop out in the county, we bring the Rotobrush systems, Nikro HEPA vacuums, and mastic sealant to fix it in one trip.
Why Everest Air Duct Cleaning Service Georgia Is Columbus’s Preferred Duct Repair & Sealing Company
Our Duct Repair & Sealing team has built a reputation in Columbus by showing up with the owner on every job. Scott Gray has worked every job for 20 years — your home gets the owner, not a substitute. That matters in a market like Columbus, where the Fort Moore rental churn means many homeowners have been burned by fly-by-night crews who patch and disappear.
433 neighbors have rated us 4.9 stars — the numbers speak for themselves. Those reviews come from real Georgia addresses, including dozens from the Columbus area where customers found us after other companies walked away from degraded fiberglass duct board or red-clay-contaminated systems.
We typically schedule Columbus repairs within 48 hours, and we don’t charge extra for the drive from Atlanta. We know the local housing stock — the slab-on-grade ranches in 31903, the brick duplexes near Fort Moore, the acreage properties with detached workshops off Highway 27 — and we bring parts and equipment sized for what we’re likely to find.
Two decades of crawlspace-level experience goes into every inspection. We’ve crawled through enough Columbus crawlspaces to know that red clay dust plus river-valley humidity equals a specific repair protocol that generalist HVAC techs from out of market simply don’t encounter.
Our Duct Repair & Sealing Services in Columbus
Duct Sealing
Most Columbus homes we inspect leak 20–30% of conditioned air through gaps at joints, plenum connections, and register boots. In the Fort Moore rental corridors, we’ve found that repeated tenant turnover means ducts often haven’t been sealed since original construction. We seal with mastic — not tape, which fails in Georgia humidity — and we pre-clean clay-pollen residue so the mastic actually bonds. A typical duct sealing job in Columbus runs $180–$350 for a single system.
Flex Duct Repair
Flex duct is the weak link in most Columbus homes built between 1960 and 1990. The plastic liner degrades, the insulation compacts, and the wire helix corrodes in humid crawlspaces. We recently repaired a flex-duct system in a 1960s slab-on-grade ranch off Victory Drive in South Columbus, ZIP 31903. The homeowner had military tenants rotating through every two years, and we found the ducts caked with red clay dust and mold from condensation in the uninsulated crawlspace. We replaced the degraded flex ducts, sealed all joints with mastic, and insulated the new runs to prevent future moisture issues. Flex duct replacement in Columbus typically costs $280–$550 per run depending on length and access.
Metal Duct Repair
Older Columbus homes with galvanized steel ductwork — common in the 1950s and early 1960s builds near downtown — suffer from rust at seams and collapsed sections from decades of vibration. We cut out damaged sections, fabricate replacements on-site, and seal with mastic and fiberglass mesh. Metal repair runs $320–$650 in the Columbus market, higher if we need to rebuild plenums or transition boxes.
Duct Insulation
This is where Columbus’s climate demands special attention. That long humid season — dew points in the low-to-mid 70s°F from May through September — means uninsulated or poorly insulated ductwork sweats continuously in crawlspaces. The condensation feeds mold, degrades flex duct, and eventually rots floor joists. We install closed-cell insulation on new and existing metal ducts, and we specify insulated flex duct for replacements. Duct insulation in Columbus runs $200–$450 depending on linear footage and whether we’re working in a accessible crawlspace or a tight attic.

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.
Trusted Brands We Service in Columbus
We repair and seal ductwork connected to all major HVAC brands, and we stock Honeywell and Aprilaire air quality components for Columbus customers who want to close the loop from dirty ducts to genuinely cleaner air. If your system needs a fresh air intake, media filter upgrade, or UV light installation alongside duct repairs, we handle it in the same visit — no second contractor needed. Our Nikro HEPA vacuums and Abatement Technologies air scrubbers are the same tools used in commercial remediation, so when we encounter heavy mold in a Columbus crawlspace, we’re equipped to contain and remove it properly.
Common Duct Repair & Sealing Problems We See in Columbus Homes
- Fiberglass duct board degradation in older slab homes. The housing stock within the Fort Moore orbit — concentrated in zip codes 31903, 31907, and 31909 — includes many homes still running original fiberglass duct board that deteriorates from humidity and sheds fibers. These systems often require full replacement rather than simple sealing.
- Clay-pollen residue causing mastic failure. Local techs working South Columbus and the Midland area consistently find duct interiors coated with a distinctive brick-red residue — a combination of Georgia red clay particles tracked through crawlspace returns and heavy spring pine pollen loads — on top of mold growth from condensation, a combination rarely seen at this density in neighboring Auburn or Opelika, AL. If ducts aren’t pre-cleaned with Rotobrush contact-cleaning before sealing, the mastic won’t bond and leaks return within months.
- Condensation damage from river-valley humidity. Columbus sits in the Chattahoochee River valley and endures a long, aggressively humid subtropical season with dew points regularly reaching the low-to-mid 70s°F from May through September; that sustained humidity causes condensation inside poorly insulated slab ductwork and accelerates mold colonization in the fiberglass liner systems common to the city’s older housing stock.
- Long uninsulated runs on acreage properties. Oversized acreage properties with detached workshops often have long, uninsulated duct runs that develop leaks from thermal stress and rodent damage. These require heavier-gauge replacement duct and proper insulation to survive Georgia’s temperature swings.
Pricing for Duct Repair & Sealing in Columbus, GA
Here’s what duct repair and sealing costs in the Columbus market:
| Service | Typical Range in Columbus |
|---|---|
| Duct sealing with mastic (single system) | $180–$350 |
| Flex duct repair/replacement (per run) | $280–$550 |
| Metal duct repair (section rebuild) | $320–$650 |
| Duct insulation (per system) | $200–$450 |
| Fiberglass duct board replacement | $450–$900 |
What moves the price: access difficulty (tight crawlspace vs. open attic), contamination level (red clay and mold require pre-cleaning), and whether we’re sealing existing ducts or rebuilding sections. Fort Moore rentals with multiple back-to-back occupancies almost always need pre-cleaning before sealing — the mastic won’t stick to clay dust. We don’t quote over the phone for complex jobs; we need eyes on the system. Call (877) 565-7296 for a free, no-obligation estimate — Scott Gray will inspect your ducts personally and give you a straight number.
We Also Serve Cities Near Columbus
We regularly cross the Chattahoochee to work in Phenix City and Smiths Station, and we make runs out to Cusseta and Valley for acreage properties with detached workshops and long duct runs. Same equipment, same owner on the job, same free estimate policy. If you’re within about 45 minutes of Columbus, we’ll come to you.
Serving Columbus, GA — Our Local Coverage Area
We’re based in the Columbus 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 Columbus
The brick-red coating is a combination of Georgia red clay particles pulled through crawlspace returns and heavy spring pine pollen that settles in ductwork. In Columbus’s river-valley humidity, this layer traps moisture and promotes mold growth beneath it. We remove it with Rotobrush contact-cleaning before any sealing work — mastic won’t bond to clay dust. Call (877) 565-7296 and we’ll show you what’s actually in your ducts.
Every 2–3 years, or between tenant rotations. The PCS cycle means military families move frequently, and ducts in these rentals rarely get cleaned between occupants. By the third rotation, flex duct is typically clogged with debris and joints have loosened from vibration. We offer inspection and maintenance scheduling for Columbus property managers — call for a volume estimate.
Sometimes, but often no. Fiberglass duct board in 1950s–1980s Columbus homes degrades from the inside — the binder fails, fibers shed into airflow, and the board itself becomes structurally weak. If we tap the duct and it sounds hollow or crumbles, replacement is the only safe option. We’ll tell you honestly after inspection which path makes sense. Call (877) 565-7296 for a free assessment.
This question belongs to garage door companies — we don’t install or repair garage doors. We do repair the ductwork in detached workshops, which is a common need on Columbus acreage properties. Long duct runs to outbuildings suffer thermal stress and rodent damage; we replace with insulated flex or metal duct sized for the load. Call (877) 565-7296 for workshop duct repair.
Yes, significantly. Columbus’s sustained summer humidity — dew points in the low-to-mid 70s°F for months — means every repair must account for condensation. We always insulate replacement ductwork, seal thoroughly to prevent moist air infiltration, and specify materials rated for wet environments. Repairs done without humidity in mind fail within a season here. Call (877) 565-7296 for repairs built to last in Columbus conditions.
Written by Scott Gray, Owner at Everest Air Duct Cleaning Service Georgia, serving Columbus since 2004.