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
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AfterFast, Reliable Duct Sealing Across Lehigh Acres
Duct sealing in Lehigh Acres typically runs $450 – $1,200 for a whole-home system, and most jobs are completed in a single visit with the price written before we start. We’re the Lehigh Acres crew from Hollis Air Duct Cleaning, part of the Garrison Partners family, and we’ve been sealing ductwork in this sandy, unincorporated stretch of Lee County since 2004. Our dispatch team operates from our South Florida office, but the technicians who arrive at your door live in and know this market: the limerock roads, the 1990s stucco ranches on slab, the way a June thunderstorm knocks out power and restarts the AC with a bang.
Call (361) 326-5060 for a free estimate. We’ll quote it flat, seal it right, and back it with our 365-Day Done Right Promise in writing.
Why Hollis Air Duct Cleaning Is Lehigh Acres’s Preferred Duct Sealing Company
We’ve earned our reputation in Lehigh Acres by showing up inside the window and pricing before we touch anything. The Garrison Standard demands it: arrive when we said, write the price down, complete the job by the book, leave the site clean. Our technicians are background-checked and uniformed, and you’ll know who’s coming before they pull into your drive.
Lehigh Acres homeowners aren’t looking for the cheapest coupon in the mailbox. They’re looking for a crew that won’t turn a $400 quote into an $800 invoice once the van is parked. That’s why we put one flat price per system on paper before work starts. No per-vent add-ons. No surprise charges at the door. If the seal fails within a year, we come back and make it right at no charge, including a free second visit. That’s the 365-Day Done Right Promise, and it’s on every job.
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 to schedule.
Duct Sealing Services in Lehigh Acres
Duct Sealing Services in Lehigh Acres address a problem most homeowners don’t know they have: conditioned air bleeding into the attic through gaps at collars, boots, and flex-to-trunk connections. In a market where most houses are single-story ranches built between 1980 and 2010 with flex duct systems running through 100°F+ humid attics, those leaks add 20 – 30% to cooling costs and pull attic dust, insulation particles, and mold spores straight into your living space.
Our Duct Sealing team uses mastic compound and mechanical banding, not tape-only patches that blow off during summer thunderstorm power-restart pressure spikes. We pressurize the system, locate every leak with a smoke pencil or digital manometer, then seal at the source. A typical whole-home duct sealing in Lehigh Acres runs $450 – $1,200 depending on system size, attic accessibility, and whether we need to replace collapsed or delaminated flex runs.
Leak Detection and Pressure Testing
We start every job with a static pressure test and visual inspection of the trunk line, takeoffs, and boots. In Lehigh Acres, we regularly find separated collars at the flex-to-trunk connection and boots pulled away from drywall by years of vibration and thermal cycling. The smoke pencil shows exactly where your conditioned air is escaping.
Mastic Sealing and Mechanical Banding
After source removal and negative pressure containment, we brush mastic onto every joint, band the flex to the trunk with tension straps, and seal the boot to the drywall register opening. Mastic stays flexible for decades. Tape dries and fails. We don’t use tape as a primary sealant on any job.
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.
Duct Insulation in Lehigh Acres
Duct Insulation in Lehigh Acres is often the missing half of the sealing equation. Even perfectly sealed ducts lose efficiency when the R-value of the jacket has degraded in a 140°F attic. Most local homes were built with R-4 or R-6 flex duct that’s now brittle, torn, or water-stained from years of condensation. We wrap sealed metal or replace degraded flex with insulated duct board or new flex with an R-8 jacket.
A typical duct insulation job in Lehigh Acres runs $600 – $1,800 for a whole-home system, depending on linear footage and whether we’re insulating existing sealed ductwork or replacing compromised runs entirely. Homes in neighborhoods like Mirror Lakes and Sunshine, where afternoon thunderstorms and power outages are routine, see the biggest payoff: stable temperatures at the registers, less runtime on the air handler, and no more insulation raining down when the compressor kicks back on.
Attic Duct Wrap and Replacement
For metal trunk lines that are structurally sound but uninsulated or poorly insulated, we apply formaldehyde-free fiberglass wrap with a vapor barrier, sealed at every seam with mastic. For flex duct where the inner liner has delaminated from the insulation jacket, replacement is the only permanent fix. We size the new runs with a ductulator, balance the airflow, and verify with a manometer.
Vapor Barrier and Condensation Control
Lehigh Acres attics hit dew point fast. Without a continuous vapor barrier, humid outdoor air migrates through porous insulation and condenses on cold duct surfaces. That moisture feeds mold, degrades the jacket, and destroys the seal from the inside out. We specify products from Abatement Technologies and Guardsman that are rated for Florida attic conditions.
Trusted Brands We Service in Lehigh Acres
We stock parts and materials from Rotobrush, Nikro, Abatement Technologies, and Guardsman, the same brands commercial crews specify for hospitals and schools. For Lehigh Acres homeowners, that means no waiting on a parts run to Fort Myers or Cape Coral. We carry mastic, mechanical bands, R-8 flex, duct board, and filtration products from Honeywell and Aprilaire on every truck. If your system needs a component we don’t stock, our South Florida office coordinates same-day pickup from regional distribution. Most jobs finish in one visit because we showed up prepared.
Common Duct Sealing Problems We See in Lehigh Acres Homes
- Limerock dust packing boot collars. Lehigh Acres sits over sandy, unincorporated ground where most roads are still unpaved limerock or graded shell, so duct systems here load with silica grit as much as with biological dust. That mineral component scores metal and packs into takeoffs, and vacuuming alone won’t remove it. Sealing must happen at the collar and boot to keep new grit from entering the system.
- Tape-only patches blowing off during thunderstorm restarts. Afternoon thunderstorms during the rainy season (June – September) frequently cause power outages. When AC systems restart, the pressure spike blows loose tape off patched joints and sends attic insulation through the registers. We see this constantly in Mirror Lakes and Sunshine. Mastic and mechanical banding survive those spikes. Tape doesn’t.
- Flex duct sweating and delaminating in hot attics. The humid subtropical climate means year-round high indoor humidity, and flex duct in a 100°F+ attic sweats at the inner liner. Sealing over a wet, moldy jacket traps moisture, and the seal fails within a season. We inspect for delamination before we seal, and we replace compromised runs rather than seal over rot.
- Outbuilding systems choking the air handler. Rural Lehigh Acres parcels often have detached garages, sheds, or guest houses with supply ducts tapped to the main trunk but no dedicated return path. Sealing those supplies to the main trunk without adding a return chokes the air handler and drives static pressure up, burning out the blower motor. We calculate total system CFM before we seal anything.
Pricing for Duct Sealing in Lehigh Acres, FL
A typical whole-home duct sealing in Lehigh Acres runs $450 – $1,200. Duct insulation runs $600 – $1,800. Combined sealing and insulation for a full system typically falls between $900 and $2,400.
| Service | Price Range in Lehigh Acres |
|---|---|
| Duct sealing (whole home, up to 12 runs) | $450 – $1,200 |
| Duct insulation (wrap or replace flex) | $600 – $1,800 |
| Combined sealing + insulation | $900 – $2,400 |
| Additional return path (outbuilding systems) | $300 – $800 |
What moves the price: system size (number of supply and return runs), attic accessibility, condition of existing flex duct, and whether we need to add dedicated returns for outbuilding systems. We do not quote per-vent. One flat price per system, agreed in writing before we start. Call (361) 326-5060 for an exact quote. Estimates are free.
We Also Serve Cities Near Lehigh Acres
Our crews work throughout Lee County, including Duct Sealing in Lehigh Acres and surrounding communities: Fort Myers, Estero, North Fort Myers, and Cape Coral. Each job carries the same written price, the same 365-Day Done Right Promise, and the same background-checked, uniformed technicians.
Serving Lehigh Acres, FL - Our Local Coverage Area
We’re based in the Lehigh Acres 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 Lehigh Acres
Every 3 – 5 years for cleaning, with sealing inspected at the same interval and touched up as needed. The silica grit from limerock roads is abrasive and persistent; it scores metal and packs into joints that were sealed before. Homes on unpaved roads in Lehigh Acres need more frequent collar and boot inspections than paved subdivisions. Call (361) 326-5060 to schedule a pressure test and see where your system stands.
Tape-only patches or degraded flex connections have reopened, and the pressure spike when your AC restarts is blowing attic debris through the gap. Cleaning removes what’s already inside; it doesn’t fix the leak that’s letting new material in. We see this exact pattern in Sunshine and Mirror Lakes after every major storm. A proper mastic seal and mechanical banding stops it permanently. Call (361) 326-5060 for a leak inspection.
Yes, but only if the wood stove or fireplace has its own sealed combustion air intake and is not sharing a return path with the central HVAC. We inspect the return layout before we seal anything. If the wood heat appliance is drawing return air from the same space, sealing the ducts tighter actually increases negative pressure and pulls more smoke and creosote odor into the system. We may recommend a dedicated outside air kit for the stove or a separate return path before we proceed.
Yes, if they share the main air handler. Outbuilding systems without a dedicated return path create static pressure problems that can burn out your blower. We measure total system CFM and calculate whether the existing air handler can support the additional load before we seal. Adding a return path typically runs $300 – $800. We’ll tell you exactly what your parcel needs before we quote.
MERV 8 – 11 for most Lehigh Acres systems. Higher isn’t always better: MERV 13 and above can restrict airflow on older systems and increase static pressure, which stresses sealed joints all over again. During the rainy season (June – September), when mold spores peak, we recommend MERV 11 with a fresh change every 60 days. If your system has a variable-speed blower and we confirm the static pressure can handle it, MERV 13 is an option. We check this on every sealing job.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Lehigh Acres since 2004.