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 Minneola
We dispatch to Minneola from our South Florida scheduling office, and our crews know the split personality of this town cold. One morning we’re in a 2020s two-story off US-27 with flex duct baking in an unshaded attic; by afternoon we’re under a 1980s ranch near downtown, re-supporting sagging crawlspace runs that have been wicking moisture from sandy soil for decades. That local fluency matters because duct sealing that works in Beacon Ridge won’t hold in the old downtown loop without addressing vapor and support first. If your back bedrooms won’t hold temperature or your energy bills keep climbing, call us at (361) 326-5060. We’ll give you a written price before we touch anything.
Why Hollis Air Duct Cleaning Is Minneola’s Preferred Duct Sealing Company
We’ve been part of the Garrison Partners family since 2004, and our Duct Sealing team has worked enough Minneola homes to know the difference between a quick tape job and a repair that lasts. Our technicians are background-checked, uniformed, and held to The Garrison Code: arrive inside the window, price in writing, finish by the book, leave the site clean. Every job 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. Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues.
Air Duct Sealing in Minneola
Air Duct Sealing in Minneola is the process of closing leaks, reconnecting separated runs, and restoring the pressure boundary so your conditioned air reaches the rooms it was meant for. In this market, we see two distinct scenarios: older homes near the original downtown with original fiberboard or metal ductwork that has delaminated at every joint, and newer subdivisions where flex duct in unshaded attics has degraded from UV and extreme heat. A typical whole-system sealing job in Minneola runs $450 – $1,200 depending on accessibility, extent of damage, and whether we need to re-support sagging runs or replace degraded liner before the seal will hold.
What We Fix Before We Seal
Sealing tape alone peels off within a season when it’s applied over wet, sagging, or crushed duct. Our protocol is source removal first, then structural repair, then sealing with mastic and mesh. In Minneola’s older homes, that often means re-strapping crawlspace runs and addressing vapor intrusion before we open a bucket of mastic.
How We Verify the Seal
After sealing, we pressure-test the system and run camera verification so you see the before and after. We don’t guess. We measure. And we write the results down.
Duct Sealing Services in Minneola
Duct Sealing Services in Minneola cover everything from spot repairs on crushed flex runs to full trunk-line restoration on homes where the original ductwork is failing structurally. We use professional-grade equipment from Rotobrush and Nikro, including rotary brush systems and negative-air machines for pre-seal cleaning, plus mastic and mechanical fasteners rated for Florida’s humidity. The price is always written down before we start. A partial seal on two to three problem runs might run $280 – $450; a whole-system restoration on a larger home with attic and crawlspace access can reach $1,400 – $2,100.
Attic Flex Duct Restoration
Newer Minneola homes in Summit Greens and Beacon Ridge often have flex duct in unshaded attics where the inner liner degrades from heat. We inspect liner integrity first. If the liner is intact, we seal and insulate. If it’s crumbling, we replace the run and then seal. No point in sealing dust.

Crawlspace Duct Rebuilds
Older homes near downtown Minneola sit on sandy soil over a high water table. Crawlspace ducts sag, accumulate condensate, and rot out their wrap. We re-support with proper hangers, address vapor where we can, then seal with mastic rated for wet-location exposure.

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 Minneola
Our vans carry equipment from Rotobrush, Nikro, and Abatement Technologies, the same tools commercial crews use in hospitals and schools. For filtration and control upgrades tied to sealing work, we stock Honeywell and Aprilaire components. That means no waiting on parts for Minneola customers. If your system needs a control upgrade to maintain pressure after sealing, we can source and install it same visit. Everything is spec’d for Florida’s humidity and written into the price before we start.
Common Duct Sealing Problems We See in Minneola Homes
- Delaminated fiberboard trunk lines. In 1980s-era homes near the original downtown loop, original fiberboard duct has separated into layers, leaking at every joint. Tape won’t hold. We remove the damaged sections and rebuild with metal or flexible duct, then seal.
- Sagging crawlspace runs in sandy soil. The high water table and loose soil under older Minneola homes let ducts settle into moisture. We re-support with proper hangers and seal only after the run drains and dries.
- UV-degraded flex duct in unshaded attics. Newer subdivisions along US-27 lack mature tree canopy. Attic temperatures spike, and the inner liner of flex duct crumbles. Sealing alone is wasted money if the liner won’t hold pressure.
- Disconnected returns in hallway chases. Common in 2000s builds, these hidden disconnects pull attic air straight into the system. We camera-locate them, reconnect, and seal the chase.
Pricing for Duct Sealing in Minneola, FL
Here’s what duct sealing costs in Minneola’s market. Spot repairs on one to two accessible runs: $280 – $450. Whole-system sealing on a single-zone home with attic access only: $450 – $850. Whole-system sealing with crawlspace work, re-support, and vapor remediation: $900 – $1,400. Large two-story homes with multiple zones and degraded liner replacement: $1,400 – $2,100. What moves the price: accessibility (crawlspace height, attic temperature), extent of pre-seal damage requiring source removal, and whether we need to replace duct sections before sealing will hold. We do not price per vent. One flat price per system, agreed in writing, before we touch anything. Estimates are free. Call (361) 326-5060.
We Also Serve Cities Near Minneola
Our crews work throughout Lake County and west Orange County, including Minneola neighbors Clermont, Oakland, Groveland, and Winter Garden. Same equipment, same written pricing, same 365-Day Done Right Promise. Scheduling is coordinated from our Miami office, with local crews dispatched to your area.
Serving Minneola, FL - Our Local Coverage Area
We’re based in the Minneola 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 Minneola
Older homes near the original downtown loop were built with fiberboard or early metal ductwork sized for lower-efficiency units, and that material delaminates or corrodes after decades of year-round cooling. Newer subdivisions like Beacon Ridge have tighter construction but face their own problems with heat-exposed flex duct. Both need sealing, but the older homes usually need structural repair first. Call (361) 326-5060 and we’ll tell you which category yours falls into.
It fixes conditioned air leaking into your attic, crawlspace, or walls before it reaches your rooms. In Minneola’s climate, that means your AC runs less, humidity control improves, and rooms that never held temperature finally do. We verify with pressure testing, not guesswork. Call (361) 326-5060 for a free assessment.
We won’t. Sealing over dust, mold, or moisture guarantees failure. Our protocol is source removal with agitation tools under negative pressure, then repair, then seal. That’s how the mastic bonds and how the warranty holds. Call (361) 326-5060 to schedule.
It depends on liner integrity. If the inner liner is intact, sealing and insulating can restore performance for years. If UV and heat have degraded the liner to the point it’s crumbling, we replace the run first, then seal. We camera-inspect to tell the difference before we quote. Call (361) 326-5060.
We run camera inspection and pressure testing. If the trunk line is structurally sound but leaking at joints, sealing works. If the fiberboard has delaminated throughout or metal has corroded through, replacement is the honest recommendation. We show you the footage and write down both options with prices. Call (361) 326-5060 for an exact diagnosis.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Minneola and surrounding communities.




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