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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After
Before
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Before
AfterFast, Reliable Duct Sealing Across Morrow
Your upstairs bedroom stays hot in July no matter how low you set the thermostat. Your power bill climbs every summer even though nothing’s changed. In Morrow, these aren’t mysteries. They’re the symptoms of ducts that have pulled apart at the seams, and they’re fixable in a single visit. Call us at (361) 326-5060 for a free estimate.
We’ve worked in the ranch homes off Morrow Road, the split-levels near Lake Harbin Road, and the newer townhome clusters closer to the airport. Dispatch and scheduling run through our Atlanta office, but our crews live in and around Clayton County. That matters because a technician who knows Morrow knows what to look for: the gaps at the plenum where clay-soil foundation movement has loosened rigid metal joints, the kinked flexible ducts in rental properties that see three tenants a year, the crawlspace connections that pull in musty air and leave homeowners chasing “dirty sock syndrome” with air fresheners.
Most of our Morrow calls get scheduled within a day or two. We’ll give you a written price before any work starts, and that price doesn’t move once we’re on site.
Why Hollis Air Duct Cleaning Is Morrow’s Preferred Duct Sealing Company
Our Duct Sealing team has built a reputation in Morrow by showing up inside the window we quoted and leaving the site clean. That’s The Garrison Code in action, and it’s not optional for our technicians.
Roy Castellanos leads this operation, and every crew member is background-checked and uniformed. You know who’s walking into your home before they arrive.
Phones are answered by a live person 24 hours a day, seven days a week. No voicemail loops, no callback queues, no waiting until Monday to book.
Every repair we make in Morrow carries our 365-Day Done Right Promise in writing. If the seal fails within a year, we come back and make it right at no charge, including a free second visit. Competitors in this trade rarely put that in writing.
Air Duct Sealing in Morrow
Air Duct Sealing in Morrow means finding and closing every gap, tear, and disconnected joint in your HVAC system’s distribution network. We use professional-grade mastic and metal-backed tape, not the hardware-store foil that peels off in a hot attic. A typical whole-house duct sealing job in Morrow runs $450 – $850 depending on system size and accessibility, with most single-family homes falling in the $550 – $700 range.
What We Seal and Why It Fails
We seal plenum connections, trunk line joints, register boots, and flex duct tears. In Morrow’s older homes, clay-soil expansion and contraction causes foundations to shift slightly year after year. That movement loosens rigid metal ductwork at the joints. Flexible duct systems in newer construction kink or tear where they bend around tight framing. Both problems dump conditioned air into your crawlspace or attic and pull unfiltered air back into your rooms.
How We Test Before and After
We pressurize your duct system and measure leakage with a calibrated fan. After sealing, we test again and show you the numbers. Most Morrow homes see 25 – 40% leakage reduction in a single visit. You’ll feel the difference in room-to-room temperature balance, and you’ll see it on your next power bill.
Duct Sealing Services in Morrow
Duct Sealing Services in Morrow cover everything from spot repairs on a single disconnected run to complete system resealing for older homes with original ductwork. We also handle Air Duct Cleaning in Morrow and Dryer Vent Cleaning in Morrow for homeowners who want the full system addressed in one visit. A typical spot repair runs $180 – $340; whole-system sealing for larger homes or complex crawlspace layouts can reach $900 – $1,200.
Spot Repairs for Targeted Leaks
Sometimes only one or two connections have failed. A register boot pulled away from the floor joist. A flex duct torn where it crosses a sharp edge. We quote these individually, seal them with mastic and proper mechanical fasteners, and test the repair before we leave. You pay for what needs fixing, not a whole-system upsell.
Whole-System Resealing for Older Homes
Ranch and split-level homes built in the 1960s through 1980s often need comprehensive resealing. Original rigid metal ductwork in these Morrow neighborhoods has decades of thermal cycling and foundation movement working against it. We seal every accessible joint, replace deteriorated flex runs, and verify the system with post-work pressure testing.
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 Morrow
Our equipment comes from Rotobrush, Nikro, and Abatement Technologies, with filtration products from Honeywell, Aprilaire, and Guardsman. These are the same tools commercial crews use in hospitals and schools, not hardware-store gear. For Morrow customers, that means we stock the right mastic compounds, metal-backed tapes, and replacement flex duct diameters to finish most jobs without a parts run. Turnaround stays fast because we’re not waiting on a supplier shipment. When we quote your job, we’re quoting with parts we already have on the truck.
Common Duct Sealing Problems We See in Morrow Homes
- Plenum gaps in older neighborhoods. In the ranch homes off Morrow Road and Lake Harbin Road, the connection between the air handler and the main trunk line often gaps open after decades of clay-soil foundation movement. Homeowners smell musty crawlspace air and assume they need cleaning; what they need is sealing.
- Kinked flex duct in airport-area rentals. The high turnover of short-term rental properties near Hartsfield-Jackson means flexible duct systems get disturbed by maintenance crews and tenants. Kinks and tears go unreported until the next guest complains about a hot bedroom.
- Condensation damage from year-round humidity. Morrow’s humid subtropical climate keeps HVAC systems running almost constantly. When cool air leaks into a hot attic through duct gaps, condensation forms on the outside of the duct and soaks surrounding insulation. The fix is sealing the leak, not replacing the insulation.
- Disconnected returns pulling crawlspace air. Return ducts with hidden gaps create negative pressure that draws mold spores, radon, and pest debris into your breathing air. We find these with pressure testing, not guesswork, and seal them at the source.
Pricing for Duct Sealing in Morrow, GA
Most Morrow homeowners pay between $450 and $850 for whole-house duct sealing, with the majority of single-family ranch and split-level homes landing at $550 – $700. Spot repairs on one or two disconnected runs run $180 – $340. Larger homes with complex crawlspace layouts, multiple HVAC systems, or extensive flex duct replacement can reach $900 – $1,200.
What moves the price: system size, duct accessibility (crawlspace height, attic temperature), amount of damaged flex duct needing replacement, and whether we find disconnected returns that require additional sealing work. We inspect first, quote in writing, and get your approval before touching anything. The price we write down is the price you pay. No per-vent add-ons, no equipment fees that appear at the door.
We also provide before-and-after photos of your own ducts so you know the work was done. Call (361) 326-5060 for a free estimate.
We Also Serve Cities Near Morrow
Our crews work throughout South Atlanta and Clayton County. If you’re in Forest Park, Conley, Riverdale, or Stockbridge, the same pricing standards and 365-Day Done Right Promise apply. We schedule Duct Sealing in Morrow and surrounding areas with the same live-answer phone line and written-quote process.
Serving Morrow, GA - Our Local Coverage Area
We’re based in the Morrow 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 Morrow
Most Morrow appointments are scheduled within one to two business days. We dispatch from our Atlanta office and route crews to minimize drive time to Clayton County. Call (361) 326-5060 to check current availability.
Yes. We work in the older ranch neighborhoods off Morrow Road, the Lake Harbin Road area, the townhome developments near the airport, and everywhere in between. Clay-soil conditions vary block by block, and our technicians know what to expect in each part of town.
We don’t promise same-day dispatch, but our phones are answered by a live person 24/7. If your system is completely down due to a disconnected duct, we’ll get you scheduled as quickly as possible and talk you through any temporary measures that are safe to attempt.
Our pricing is consistent across Clayton County. A $550 – $700 whole-house seal in Morrow costs the same in Forest Park, Conley, Riverdale, or Stockbridge. Travel time is built into our regional scheduling, not added to your invoice.
Every duct sealing job carries our 365-Day Done Right Promise in writing. If any seal we applied fails within a full year, we return and make it right at no charge, including a free second visit. That’s standard on every Hollis job, not an upsell.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Morrow and South Atlanta since 2004.