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 Sealing Across Gahanna
We’re the Duct Sealing crew that serves Gahanna from our Cleveland dispatch office, and we know this city’s ductwork like our own toolbox. From the mid-century ranches off Rocky Fork Drive to the two-story subdivisions east of Hamilton Road, we’ve sealed ducts in homes that have never had it done and in homes where the last crew did it wrong. Gahanna’s mix of original galvanized trunk lines and early flexible ductwork means every job needs a different approach, not a one-size-fits-all spray. Call us at (361) 326-5060 and we’ll give you a written price before we touch anything.
Why Hollis Air Duct Cleaning Is Gahanna’s Preferred Duct Sealing Company
Hollis Air Duct Cleaning has been part of the Garrison Partners family since 2004. We’ve built our name on showing up inside the quoted window, pricing in writing, and leaving the site clean. That’s The Garrison Standard, and it applies to every Gahanna job we run.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. And our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops, no callback queues, no waiting until Monday for a scheduling question.
The 365-Day Done Right Promise covers every duct sealing job we do in Gahanna. If the work fails within a year, we come back and make it right at no charge, including a free second visit. That’s not a verbal assurance. It’s written on every job.
Air Duct Sealing in Gahanna
Air Duct Sealing in Gahanna is the process of closing leaks, gaps, and disconnected joints in your home’s ductwork so conditioned air reaches the rooms it’s supposed to reach instead of bleeding into your attic, crawl space, or wall cavities. In a city where summers run hot and humid and winters pull hard on your furnace, sealed ducts mean your HVAC system doesn’t work overtime to compensate for losses you can’t see. A typical duct sealing job in Gahanna runs $450 – $1,200 for a whole-home system, depending on accessibility, contamination level, and whether we find disconnected or crushed runs during camera inspection.
What We Find in Gahanna’s Older Homes
The west side of Gahanna is full of ranches and splits built in the 1950s and 1960s with original galvanized steel ductwork. Decades of thermal expansion and contraction have loosened joints. Some trunks have sagged. Others have that fine, dark soot-like film from jet exhaust particulates that settles in homes within a mile of the CMH approach path. We inspect first with a camera. Then we clean. Then we seal. Doing it in the wrong order traps contaminants behind the mastic.
The Airport-Adjacent Contamination Factor
Homes in Rocky Fork and Blacklick sit directly under Port Columbus International Airport’s approach path. The continuous low-altitude traffic deposits ultrafine combustion byproducts into HVAC systems. Standard vacuuming won’t remove this film. Sealing over it guarantees failure. Our crews use chemical cleaning agents to eliminate the soot before applying mastic and mesh, so the seal bonds to clean metal and holds through Gahanna’s seasonal temperature swings.
Duct Sealing Services in Gahanna
Duct Sealing Services in Gahanna cover everything from spot repairs at accessible registers to full-system sealing of trunk lines, branch runs, and return plenums in attics and crawl spaces. We don’t quote per-vent pricing. We price per system, agreed in writing before work starts, based on what we find during inspection. A partial sealing of accessible joints in a ranch with a single trunk might run $450 – $650. A full-system seal on a two-story with multiple zones, flex duct, and attic runs typically falls between $850 – $1,200.
Flex Duct in East Gahanna Subdivisions
Newer homes east of Hamilton Road often have early flexible ductwork. It’s lighter and easier to install, but it kinks, collapses, and degrades faster than metal. Rigid sealing methods don’t work here. We use compatible mastic formulations and support straps that hold the duct shape without adding weight that causes new collapse points.

Disconnected Runs Behind Drywall
Camera inspection often reveals the real leaks are hidden. Disconnected collars behind registers, crushed runs in wall cavities, separations at the plenum. Sealing only the visible trunk and registers ignores where your air is actually escaping. We mark every finding on the camera recording, show you the footage, and price the full repair in writing.

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.
Trusted Brands We Service in Gahanna
Our equipment comes from Rotobrush, Nikro, and Abatement Technologies, the same brands commercial crews use in hospitals and schools. For filtration and sealing compatibility, we stock products from Honeywell, Aprilaire, and Guardsman. We don’t run to a supply house mid-job. Our vans carry the mastic, mesh, collars, and support hardware to finish most Gahanna homes in a single visit. That’s how we keep our quoted window and leave your driveway clean.
Common Duct Sealing Problems We See in Gahanna Homes
- Jet-exhaust soot film in Rocky Fork and Blacklick. Mastic won’t bond to a contaminated galvanized surface. The seal peels within a season. We chemically clean first, then seal.
- Original galvanized trunk lines in west-side ranches. Decades of thermal cycling loosen joints and create gaps at the plenum. These need mastic and mesh reinforcement, not tape.
- Early flexible ductwork in east-side splits and two-stories. Flex kinks or collapses under rigid sealing methods. We use compatible formulations and proper support to maintain airflow.
- Disconnected or crushed runs found during camera inspection. Sealing only the visible trunk ignores the leaks that matter most. We repair the full system, priced in writing before we start.
Pricing for Duct Sealing in Gahanna, OH
A typical whole-home duct sealing in Gahanna runs $450 – $1,200. Partial sealing of accessible joints in a single-trunk ranch starts around $450 – $650. Full-system work on a two-story with multiple zones, attic runs, and flex duct replacement falls at the higher end. What moves the price: accessibility of ductwork, extent of contamination requiring pre-cleaning, number of disconnected or crushed runs needing repair, and whether we’re working with rigid galvanized or flexible duct. We inspect with a camera first. Then we write the price down. That number doesn’t move at the door. Estimates are free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Gahanna
Our crews work throughout the Columbus metro, including Duct Sealing in Gahanna and surrounding communities: Columbus, Cleveland, Parma, and Lorain. Scheduling and dispatch are coordinated from our Cleveland office, with local technicians serving each area.
Serving Gahanna, OH - Our Local Coverage Area
We’re based in the Gahanna 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 About Duct Sealing in Gahanna
Yes. Homes within a mile of the airport, especially in Rocky Fork and Blacklick, develop a fine, dark soot-like film from jet exhaust particulates that standard vacuuming won’t remove. Sealing over this film traps contaminants and guarantees seal failure. We chemically clean the duct interior first, then apply mastic and mesh to bare metal. Call (361) 326-5060 for a free inspection and written estimate.
Yes, if the metal is structurally sound. We camera-inspect first. In a 1962 ranch off Rocky Fork Drive, our tech found three crushed runs and two disconnected collars, plus the jet-exhaust film. After source removal and chemical cleaning, we sealed the joints with mastic and mesh, reconnected the collars, and the static pressure at the air handler dropped enough that the blower motor finally ran at its rated airflow. Call (361) 326-5060 to schedule your inspection.
East Gahanna subdivisions typically have early flexible ductwork, not the galvanized steel found in west-side ranches. Flex duct kinks, collapses, and degrades differently. Rigid sealing methods add weight that causes new failure points. We use compatible mastic formulations and support straps designed for flex. The price range reflects this: flex duct systems often need more prep work to hold a seal. Call (361) 326-5060 for a written quote on your specific layout.
Yes. Gahanna’s humid continental climate means your HVAC runs hard year-round. Sealed ducts reduce the load by delivering conditioned air where it’s supposed to go. In summer, that means less humidity infiltration through leaks in the return side. In winter, it means heated air reaches your rooms instead of bleeding into the attic, where dry cold air cracks old seals further. A sealed system cycles less, runs quieter, and holds temperature more evenly. Call (361) 326-5060 for an inspection.
We measure. Our camera inspection shows visible gaps, disconnections, and crushed runs. We also check static pressure at the air handler and temperature differential across registers. If the pressure drop or temperature loss exceeds what cleaning alone can fix, we show you the numbers and price the sealing in writing. Sometimes cleaning is enough. Often the real problem is air you’ve already paid to heat or cool escaping where you can’t see it. Call (361) 326-5060 and we’ll give you the straight answer.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Gahanna since 2004 as part of the Garrison Partners family.




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