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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Before
AfterFast, Reliable Duct Sealing Across West Lealman
We know West Lealman. Our crews drive the short stretch from the Pinellas Park corridor down to the 33709 and 33714 pockets where the block ranches sit shoulder-to-shoulder with mobile-home parks and small apartment courts. Dispatch and scheduling run through our Miami office, but the vans that roll up to your door are local, stocked, and ready. When you call (361) 326-5060, a live person answers, day or night. No voicemail. No callback queue.
West Lealman’s housing stock is specific, and the problems are specific too. We’re not guessing when we pull up to a 1962 concrete-block ranch with attic-routed flex duct. We’ve been inside enough of them to know where the condensate pools, where the mastic cracks, and why a standard dust-removal job won’t fix what’s actually wrong.
Why Hollis Air Duct Cleaning Is West Lealman’s Preferred Duct Sealing Company
We’ve been in business since 2004 as part of the Garrison Partners family. That track record predates most of the competitors you’ll find in a quick search. In West Lealman, that longevity matters because the houses here have seen multiple HVAC contractors come and go, each leaving a different layer of patchwork behind.
Our technicians are background-checked and uniformed. You know who’s walking in before they arrive. The price is written down before any work starts, and it does not move at the door. That’s The Garrison Standard, and it applies to every job we run in West Lealman.
Our 365-Day Done Right Promise covers every repair in writing. If the seal fails within a year, we come back and make it right at no charge, including a free second visit. No negotiation. No runaround.
Phones are answered by a live person 24 hours a day, 7 days a week. When you’re staring at a water-stained ceiling register after another July thunderstorm, you don’t want to leave a message.
Air Duct Sealing in West Lealman
Air Duct Sealing in West Lealman is a moisture-control job first and a dust-control job second. The low-lying bowl between the Gulf beaches and Tampa Bay traps humidity in every attic and crawlspace. AC systems run nearly year-round, so condensation never gets a seasonal break. Sealing here has to survive constant wetness, not just block pollen.
A typical whole-system seal in West Lealman runs $450 – $850 for a single-story block ranch with attic flex duct, and $650 – $1,200 for larger homes or systems with extensive damage requiring section replacement. Mobile-home and small apartment systems with retrofitted flex runs fall in the $350 – $600 range, though we always inspect first to check for over-pressurization risks.
What We Seal and Why
We seal every joint, boot, and penetration with mastic and foil tape to NADCA standards. In West Lealman attics, we pay special attention to flex-duct connections at the plenum and trunk lines, where year-round condensation keeps adhesive from curing properly if the surface isn’t prepped right. We also strap sagging low spots so condensate can’t pool behind the seal.
When Sealing Becomes Replacement
Sometimes the flex duct is too far gone. Wet insulation, delaminated liner, or mold penetration means sealing over the damage would trap the problem inside. We cut out the bad section, run agitation tools with HEPA filtration under negative pressure for source removal, then seal the new connection properly. You’ll see the before-and-after photos.
Duct Sealing Services in West Lealman
Duct Sealing Services in West Lealman cover the full range of what a Gulf Coast subtropical climate does to residential ductwork. This isn’t a one-size-fits-all spray-foam job. We inspect with cameras, identify where the moisture is coming from, and seal to stop the real leak, not just the obvious one.
Our Duct Sealing team uses professional-grade equipment from Nikro and Abatement Technologies, including negative-air machines that maintain containment during the work. For filtration and humidity control upgrades, we source Honeywell and Aprilaire products. Everything is explained in plain terms before we start.
The Inspection Process
We camera-inspect the full supply and return paths, including attic-routed flex runs that other crews skip. In West Lealman, we regularly find condensate pooling at unstrapped low spots and visible mold at ceiling registers. The camera doesn’t lie, and we show you what we see before quoting any work.
Written Price, No Movement
The price is written down before any work starts. One flat price per system. No per-vent add-ons, no “we found another problem” surprises at the door. That’s The Garrison Standard, and it’s how we work in West Lealman on every call.
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 West Lealman
We stock parts and materials for the equipment that actually runs in local homes. Our vans carry Nikro negative-air machines and Abatement Technologies HEPA filtration for containment during agitation and sealing. For homeowners who need humidity control upgrades after sealing, we source Honeywell and Aprilaire whole-home dehumidifiers and media filters. We also offer West Lealman Dryer Vent Cleaning to complete your home’s air quality system. We don’t show up hoping the hardware store has what we need. We arrive with the right materials for a West Lealman block ranch or mobile-home system, and we finish in one trip.
Common Duct Sealing Problems We See in West Lealman Homes
- Foil and mastic seals failing at attic flex-duct joints. Year-round AC condensation keeps the duct skin wet, so adhesive never fully cures. We prep with mechanical cleaning and use high-tack mastic rated for humid environments, then strap the run to eliminate low spots where water collects.
- Condensate pooling in unstrapped flex-duct sags. The 1950s – 1970s ranches here have short attic spaces with duct runs that sag between joists. Water sits, mold blooms at the register, and the homeowner thinks they need a cleaning when they actually need a re-strap and seal.
- Visible mold at ceiling registers after every rainy season. This is the pattern neighbors swap stories about. The register is just the exit point. The leak is usually upstream at a failed boot seal or cracked plenum, letting attic air and moisture into the supply stream.
- Over-pressurization in mobile-home and apartment systems with retrofitted undersized flex runs. Sealing every leak in a system that’s already too small for the air handler can push leakage into the blower motor compartment instead of the living space. We measure static pressure before and after sealing to prevent this.
Pricing for Duct Sealing in West Lealman, FL
Here’s what duct sealing actually costs in this market. A typical single-story concrete-block ranch with attic flex duct runs $450 – $850. Larger homes with extensive damage or multiple system zones run $650 – $1,200. Mobile-home and small apartment systems with retrofitted flex runs generally fall between $350 – $600.
What moves the number: how much flex needs replacement versus sealing, whether we need to install dehumidification controls, and how accessible the attic is. We don’t quote over a vague description. We inspect with cameras, show you the footage, and write the price down before any work starts. Estimates are free. Call (361) 326-5060 to schedule.
One flat price per system. No per-vent pricing. No teaser coupon that balloons once the van is in your driveway.
We Also Serve Cities Near West Lealman
Our crews cover the full Tampa Bay and Central Florida region, including Duct Sealing in West Lealman and surrounding communities. We also run scheduled work in Jacksonville, Miami, Tampa, and Orlando. Each location operates independently under The Garrison Standard with the same written pricing and 365-Day Done Right Promise.
Serving West Lealman, FL - Our Local Coverage Area
We’re based in the West Lealman 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 West Lealman
Because the problem here is moisture, not dust. West Lealman sits in a low-lying bowl between the Gulf beaches and Tampa Bay, so ducts never get a seasonal dry-out. Sealing stops condensation from entering the supply stream and pooling in attic runs, which dust removal alone cannot fix. Call (361) 326-5060 for a camera inspection and we’ll show you exactly what’s happening inside your system.
Every two to three years in this climate, or after any major HVAC work. The constant humidity and heavy summer thunderstorms stress seals year-round, not seasonally. If you notice mold at registers or musty supply air, check sooner. We offer free re-inspections for prior customers.
Yes, but the approach differs. Mobile-home and small apartment systems often have retrofitted undersized flex runs that over-pressurize if sealed too tightly. We measure static pressure before and after to prevent blower motor compartment leakage. For 1950s – 1970s block ranches, we focus on attic-routed flex duct where condensate pools at sagging low spots.
Yes, when the mold is caused by duct leakage. If attic air and moisture are entering through a failed boot or plenum seal, proper sealing stops the moisture source. We also inspect for condensate drainage problems at the air handler, since not all register mold is duct-related. Our camera inspection identifies which cause applies to your home.
We set up containment with a Nikro negative-air machine and HEPA filtration, camera-inspect the full system, then cut out any water-damaged flex sections. We strap sagging runs to eliminate low spots, prep all joints with mechanical cleaning, and seal with high-tack mastic and foil tape to NADCA standards. You receive before-and-after photos and a written 365-Day Done Right Promise. Call (361) 326-5060 to schedule an estimate.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving West Lealman and the greater Tampa Bay area since 2004.