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 The Acreage
Duct sealing in The Acreage typically runs $450 – $1,200 for a whole-home system, and our crews can usually inspect and price the job within 48 hours. We dispatch from our Miami office, but our technicians live in Palm Beach County and know the difference between a standard suburban duct job and the unique conditions on The Acreage’s 1.25-acre lots.
We’ve been sealing ducts in The Acreage since 2004, and we’ve learned that homes here aren’t like the rest of Palm Beach County. No municipal water, no sewer, and sugar sand that gets everywhere. Your ducts pull in grit from unpaved roads, particulates from horse stables, and enough humidity to peel mastic off a plenum collar in two seasons. When that happens, you’re not just losing conditioned air. You’re pulling wet earth, mold spores, and stable odors straight into your living space. Call (361) 326-5060 and we’ll send a uniformed tech who knows what to look for on a well-and-septic property.
Why Hollis Air Duct Cleaning Is The Acreage’s Preferred Duct Sealing Company
Our Duct Sealing in The Acreage work comes with a written price before we touch anything and a 365-Day Done Right Promise backed in writing. If the seal fails within a year, we come back at no charge, including a free second visit. No negotiation, no runaround.
Technicians are background-checked and uniformed, and our phones are answered by a live person 24 hours a day, 7 days a week. We don’t do voicemail loops or callback queues.
We know The Acreage’s housing stock: single-story CBS ranches and two-story customs from the 1980s through the 2000s, typically 2,000 – 4,000 sq ft with flexible duct runs baking in hot attics. Many properties have detached barns, workshops, and guest houses with their own small HVAC systems. We’ve sealed ducts on homes near Orange Grove Boulevard, along 43rd Street, and back on the sand roads off Seminole Pratt Whitney Road. We know where the failures happen here, and we know how to fix them so they stay fixed.
Duct Repair in The Acreage
Duct Repair in The Acreage means fixing the physical damage that happens when flexible duct gets crushed, torn, or waterlogged in a hot attic or saturated crawl space. On The Acreage’s semi-rural lots, we see this most often after condensate pan overflows during the rainy season, when algae-clogged lines on well-fed systems back up and soak the air handler cabinet and nearby flex duct. Once fiberglass insulation gets wet, it’s done. No amount of sealing will fix mold amplification inside a wet duct.
When Repair Beats Replacement
We can repair isolated damage: a torn flex run, a crushed section from a storage box in the attic, a disconnected collar. Our techs carry replacement flex duct, collars, and mastic rated for South Florida humidity. If the damage is limited to one or two runs and the rest of the system tests tight, we’ll repair and seal. We document everything with photos and moisture readings so you have a record.
When Water Damage Means Full Replacement
If the condensate pan has overflowed repeatedly or a section of duct has been wet for more than 48 hours, we recommend replacement. Mold inside flex duct doesn’t clean out. We can show you the camera footage, hand you the moisture readings, and explain exactly which sections need to come out. Our written estimate separates repair from replacement so you’re not guessing.
Air Duct Sealing in The Acreage
Air Duct Sealing in The Acreage is the process of closing every leak point in your duct system so conditioned air stays inside and unconditioned, contaminated air stays out. We use mastic paste and foil-backed tape rated for high humidity, applied at every plenum joint, flex-run collar, boot connection, and register penetration. Then we pressure-test the system to verify the seal holds.
The Plenum Problem
On The Acreage, the air handler plenum is where most seal failures start. Sugar-sand grit and 70%+ humidity work together to pull mastic and foil tape loose at the plenum collar and flex-run joints. Our techs scrape old sealant back to bare metal, apply fresh mastic in a continuous bead, and reinforce with foil-backed tape. It’s slower than slapping on a patch. It lasts.
Boot Sealing and Pressure Balance
Homes here often have multiple air handlers serving different wings, plus detached barns and guest houses with their own small systems. Mismatched static pressure means sealing one handler can pull humid attic air into a return through the next weakest joint. We test pressure across the whole property before we seal, then balance so every system works with the others, not against them.
Trusted Brands We Service in The Acreage
We seal with professional-grade materials from Abatement Technologies, Guardsman, and Rotobrush. Abatement Technologies HEPA filtration runs on every job to keep your air clean while we work. Guardsman sealants and mastics are formulated for high-humidity environments like South Florida’s subtropical climate. Rotobrush agitation tools let us clean accessible duct runs before we seal, so we’re not trapping grit under fresh mastic. We stock these materials on our trucks, which means no waiting for parts and no return trips. For filtration upgrades after sealing, we carry Honeywell and Aprilaire products. Every material is chosen for how it performs in The Acreage’s specific conditions, not for a generic national market.
Common Duct Sealing Problems We See in The Acreage Homes
- Plenum collar separation from humidity and grit. On The Acreage’s well-and-septic lots, sugar-sand dust infiltrates the return side and accumulates at the air handler plenum. Combined with sustained 70%+ humidity, this grit works under mastic and foil tape until the collar separates. We find this on roughly half the older homes we inspect near Orange Grove Boulevard and Hall Boulevard.
- Condensate pan overflows soaking nearby duct. The rainy season brings 6 – 7 months of near-daily afternoon thunderstorms, and well-fed systems without municipal water treatment grow algae in condensate lines fast. When the pan overflows, it soaks the air handler cabinet and the first few feet of flex duct. That wet insulation is a mold factory. Sealing over it is pointless.
- Reactivated grit-and-mold layers after dry springs. After a dry spring, the first heavy June rain reactivates months of accumulated silicate dust and biological growth in return-side boots and grilles. Homeowners smell wet earth and horse-stable odors even when the seams look sealed. The problem isn’t the seal. It’s the contamination behind it.
- Pressure imbalance across multiple handlers. Properties with detached barns and guest houses often run two or three separate air handlers. Seal one system tight, and the others pull harder through their weakest joints, sucking humid attic air into returns. We test and balance before we seal anything.
Pricing for Duct Sealing in The Acreage, FL
A typical whole-home duct sealing in The Acreage runs $450 – $1,200, depending on system size, accessibility, and whether we need to clean before we seal. A single air handler with 8 – 12 runs in a 2,000 sq ft ranch usually falls at the lower end. Properties with multiple handlers, detached barns, or guest-house systems run higher because we’re sealing multiple independent duct networks.
What moves the price: how many runs need sealing, whether old mastic needs complete removal, if we find water damage requiring repair or replacement, and whether the system needs cleaning first. We don’t do per-vent pricing. One flat price per system, agreed in writing before work starts. Estimates are free. Call (361) 326-5060 and we’ll give you a specific number for your property.
We Also Serve Cities Near The Acreage
Our Duct Sealing crews work throughout South Florida, with regular routes to Jacksonville, Miami, Tampa, and Orlando. Scheduling and dispatch are coordinated from our Miami office, but The Acreage homeowners get local technicians who know Palm Beach County’s well-and-septic properties, not out-of-town contractors reading a map.
Serving The Acreage, FL - Our Local Coverage Area
We’re based in the The Acreage 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 The Acreage
We decide based on moisture readings, camera inspection, and how long the duct was wet. If fiberglass insulation inside flex duct has been saturated for more than 48 hours, we recommend replacement because mold will continue growing even after drying. If the water hit only the air handler cabinet and a short section of nearby metal duct, we can often clean and seal. We document every reading and photo in a format your insurer can follow. Call (361) 326-5060 for a free post-storm inspection.
Sugar-sand grit and 70%+ humidity are the culprits. On The Acreage’s 1.25-acre lots with no municipal water, irrigation and horse-wash spray oversaturate soil near foundations, raising the water table against slabs. Moisture vapor pushes into any duct penetration that isn’t sealed at the boot. That humidity, plus abrasive silicate dust, works mastic and foil tape loose at exactly the plenum collar and flex-run joints. Suburban homes on municipal water and paved roads don’t see this combination.
First, the pan overflow needs to stop. We clear algae-clogged condensate lines and check the drain pitch. Then we inspect the air handler cabinet and the first few feet of flex duct with a camera. If the insulation is dry and clean, we seal the plenum and any loose joints. If it’s wet or moldy, we replace that section before sealing. Sealing over contamination traps the problem inside. Call (361) 326-5060 and we’ll show you exactly what we found.
Usually it’s both a sealing problem and a contamination problem. During dry springs, silicate dust and biological particulates accumulate in return-side boots and grilles. The first heavy rain reactivates that layer, and if your plenum or flex joints are leaking, those odors get pulled straight into your supply air. We clean the accessible runs with agitation tools under negative pressure with HEPA filtration, then seal every joint so outside air stays outside. The musty smell typically clears within 24 hours.
Yes, if they have their own air handlers. Most properties here run separate small systems for detached structures, and those ducts are often in worse shape than the main house because they’re serviced less frequently. We seal each system independently and test pressure balance across the property so tightening one system doesn’t create suction through another. One flat price per system, written before we start.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving The Acreage since 2004.