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 Sealing Across Dublin
Duct sealing in Dublin, OH typically runs $400 – $1,200 for a whole-house seal depending on access and damage extent, with most jobs scheduled within a few days and completed in a single visit. If your registers blow weak or your upstairs rooms never reach temperature, the problem is often gaps in the duct runs, not your HVAC unit itself.
We’ve worked Dublin homes from the original downtown ranches off West Bridge Street to the planned subdivisions of Dublin Ranch and East Dublin. Our crews dispatch from the Cleveland office and carry both rotary brush systems for rigid metal ducts and soft-brush tools for the flex runs common in 1990s and 2000s construction. Whether your home dates to 1955 or 2005, we price the work in writing before we start and back it with our 365-Day Done Right Promise. Call (361) 326-5060 for a free estimate.
Why Hollis Air Duct Cleaning Is Dublin’s Preferred Duct Sealing Company
Hollis Air Duct Cleaning has been part of the Garrison Partners family since 2004, and our Duct Sealing team understands Dublin’s split personality: the post-WWII ranch homes with original galvanized ducts buried in shifting slab, and the east-side subdivisions where flex runs hide under thick insulation. That local knowledge means we don’t guess at what’s in your walls or attic.
Our technicians are background-checked and uniformed, and they arrive inside the quoted window. The price is written down before any work starts. If the seal fails within a year, we return and make it right at no charge, including a free second visit. That’s The Garrison Standard, and it’s how we operate in Dublin, Hilliard, Powell, and across the Columbus metro.
Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues.
HVAC Duct Sealing in Dublin
HVAC Duct Sealing in Dublin addresses the pressurized leaks that let conditioned air escape into your attic, crawl space, or slab void before it ever reaches your rooms. In Dublin’s climate, where summers regularly top 95°F and winters bring wet, chilly conditions, every cubic foot of lost air forces your system to run longer and harder. Sealing restores the pressure balance the system was designed for.
Most Dublin homeowners call us after noticing hot second floors, dust streaks near ceiling registers, or utility bills that climbed without explanation. The fix involves pressurizing the duct system, locating leaks with smoke or digital detection, then sealing joints and seams with mastic or specialized tape rated for ductwork temperatures. In homes with slab ducts, we may need to access joints through foundation vents or small openings.
Typical HVAC duct sealing in Dublin runs $400 – $900 for accessible systems, and $800 – $1,200 when we need to work through limited attic access or beneath insulation. Every job gets a written price before we begin.
Slab-Duct Joint Separation
Mid-century Dublin ranches often have galvanized supply runs embedded in the concrete slab. Tri-Valley clay soils shift with moisture changes, and that movement pulls duct joints apart over decades. We find these separations with camera inspection, then seal and reconnect the runs rather than just cleaning past the gaps.
Flex-Duct Chase Sealing
In Dublin Ranch and similar east-side neighborhoods, flex ducts routed through vaulted ceiling chases develop leaks where joints meet the drywall boot. Supply air dumps into unconditioned space. We seal these connection points and verify with pressure testing so your conditioned air stays where it belongs.
Duct Repair in Dublin
Duct Repair in Dublin goes beyond sealing to fix physical damage: crushed runs, collapsed inner liners, disconnected boots, and sections corroded by decades of condensation. Sealing closes gaps; repair replaces or reconstructs what’s broken. Many Dublin homes need both, especially where original materials have reached end of life.
We see this most often in two situations. Downtown Dublin ranches with slab ducts sometimes have sections that have settled or cracked beyond sealing, requiring partial replacement with modern flex or rigid pipe. In east Dublin subdivisions, 1990s – 2000s flex duct buried under R-30 blown-in insulation has deteriorated from the inside out, the inner liner collapsing while the outer jacket still looks intact. A standard cleaning misses this entirely.
Duct repair in Dublin typically ranges from $300 – $700 for isolated fixes to $1,000 – $2,500 for multiple run replacements in hard-to-access attics. We always inspect with cameras first, show you what we found, and write the price before any cutting or replacement begins.
Collapsed Flex-Duct Replacement
When the inner liner of a flex duct collapses, airflow drops suddenly and the room goes dead. The outer jacket can look fine. We use inspection cameras to locate the collapse, remove the damaged section, and install new flex rated for the application, properly supported and sealed at both ends.
Slab-Duct Reconstruction
Some older Dublin homes have slab ducts too deteriorated for sealing alone. We route new supply lines through closets, soffits, or basement joists when possible, preserving your floors while restoring reliable airflow. Every reconstruction includes written pricing and our 365-Day Done Right Promise.
Trusted Brands We Service in Dublin
Our Dublin crews work with equipment from Nikro, Honeywell, and Aprilaire, plus Abatement Technologies filtration products. We stock common duct sealing mastics, mechanical fasteners, and flex-duct replacement materials so most repairs finish without waiting on parts. For specialized fittings in older Dublin homes, we source from regional suppliers with next-day turnaround to Columbus-area job sites. The tools matter because your time matters, and we don’t charge you for our supply-chain problems.
Common Duct Sealing Problems We See in Dublin Homes
- Slab-shifted joints in downtown ranches. The clay soils under Dublin’s original neighborhoods expand and contract with seasonal moisture, pulling apart galvanized duct joints embedded in slab. Vacuuming doesn’t fix a structural gap; sealing or repair does.
- Hidden flex-duct collapse in east Dublin attics. In Dublin Ranch and East Dublin subdivisions, 1990s – 2000s flex runs under R-30 blown-in insulation deteriorate internally. Homeowners notice weak airflow upstairs but can’t see the damage without camera inspection.
- Vaulted-ceiling chase leaks. Flex ducts routed above vaulted ceilings with limited access develop separations at drywall boots, dumping supply air into attic space and pulling insulation dust into returns. Sealing these requires specialized access tools and pressure verification.
- Wildfire smoke infiltration through unsealed returns. During Diablo Range fire season, fine ash penetrates through gaps in return-air ducting, bypassing standard filters. Post-smoke sealing prevents recurrence and protects indoor air quality.
Pricing for Duct Sealing in Dublin, OH
A typical whole-house duct sealing in Dublin runs $400 – $1,200. Most accessible systems with standard joint and seam leaks fall in the $400 – $900 range. Jobs requiring work beneath blown-in insulation, through limited attic access, or with partial run replacement reach $800 – $1,200. Full duct reconstruction in homes with failed slab ducts can exceed this, but we always write the price before starting and explain exactly what the scope includes.
What moves the number: accessibility (can we reach the leaks without major demolition), extent of damage (sealing versus replacement), and system size. We do not quote per-vent pricing. One flat price per system, agreed before work starts. Every Dublin estimate is free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Dublin
Our crews work Duct Sealing in Dublin and surrounding communities including Hilliard, Powell, Columbus, and Westerville. Scheduling and dispatch are coordinated from our Cleveland office, with local technicians serving each area. The same written pricing, background-checked uniformed crews, and 365-Day Done Right Promise apply across the region.
Serving Dublin, OH - Our Local Coverage Area
We’re based in the Dublin 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 Dublin
Your 1960s ranch likely has galvanized supply ducts in a slab that has moved with Dublin’s clay soils, pulling joints apart. Cleaning removes dust but cannot close structural gaps; sealing reconnects those joints so conditioned air reaches your rooms instead of leaking into the slab void. We inspect with cameras first, then recommend the right fix. Call (361) 326-5060 for a free estimate.
Sudden airflow drops in specific rooms, especially upstairs, are the tell. The outer jacket of 1990s – 2000s flex duct can look intact while the inner liner collapses completely. We use inspection cameras to verify without disturbing your insulation. If collapse is confirmed, we replace the run rather than attempting to seal what’s structurally failed. Call (361) 326-5060 to schedule a camera inspection.
Yes. Fine ash from Diablo Range wildfires infiltrates through gaps in return-air ducting, bypassing standard filters and recirculating for months. After a significant smoke event, we recommend inspection and sealing of return paths to prevent re-infiltration. Cleaning removes deposited ash; sealing keeps it out. Call (361) 326-5060 to discuss post-smoke duct assessment.
Sealing closes leaks in intact ductwork: gaps at joints, seams, and connections. Repair fixes physical damage: collapsed liners, crushed sections, corroded metal, or disconnected boots. Many Dublin homes, especially those with slab ducts or aging flex runs, need both. We inspect first and write a scope that addresses what we actually find, not what we hope to sell. Call (361) 326-5060 for an honest assessment.
Yes, though access is limited and the work takes longer. We use extension tools and inspection cameras to locate leaks without removing all insulation, then seal accessible joints and verify with pressure testing. In some cases, partial insulation removal is necessary; if so, we discuss it in the written price before starting. Call (361) 326-5060 to schedule an attic duct assessment.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Dublin and the greater Columbus area.