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 Little Elm
Duct sealing in Little Elm typically runs $350 – $850 for a whole-home system, and most jobs are completed in a single visit with the price written down before we touch anything. We’re the Duct Sealing crew serving Little Elm from our Dallas-Fort Worth dispatch office, and we know the difference between a quick register-patch and the real work of sealing attic flex runs that are actually losing your conditioned air. Call us at (361) 326-5060 for a free estimate.
Little Elm’s building boom didn’t start until the 2000s, so most duct sealing calls here are on 10 – 20-year-old builder-grade flex duct still running through unconditioned attics – a service that reads as near-new-home work in Little Elm in a way it never does in older inner-ring suburbs with decades of original ductwork. Those flex-duct runs sag, tear at collar connections, and pull hot, humid attic air into your system every time the compressor kicks on. We see it in Paloma Creek, in the neighborhoods off Eldorado Parkway, and in the two-story tracts near Lake Lewisville where the humidity is even heavier.
Why Hollis Air Duct Cleaning Is Little Elm’s Preferred Duct Sealing Company
We’ve been in business since 2004 as part of the Garrison Partners family, and our Little Elm customers get the same standard: written price before work starts, background-checked uniformed technicians, and the 365-Day Done Right Promise in writing on every job. If the seal fails or the problem returns within a year, we come back at no charge. That includes a free second visit.
Our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues. When you schedule Little Elm Dryer Vent Cleaning with us, we arrive inside the quoted window, price the job in writing, and leave the site clean. That’s The Garrison Standard, and it’s how we operate in every home we enter.
We stock professional-grade equipment from Rotobrush, Nikro, and filtration products from Honeywell and Aprilaire – the same tools commercial crews use, not hardware-store gear. Our technicians explain what they’re doing and why, in plain terms, before they start.
Duct Repair in Little Elm
Duct Repair in Little Elm is most often needed when original builder-grade flex duct from the 2000s or 2010s has sagged, torn at the collar, or pulled completely free in the attic. We see crushed runs in two-story homes where the flex was never properly supported, and disconnected returns in houses off FM 720 where the original strap work failed after a decade of North Texas heat cycling. A typical duct repair in Little Elm runs $180 – $450 depending on how many runs need attention and whether we can access them through existing attic openings.
When Repair Beats Replacement
Not every damaged run needs full replacement. If the inner liner is intact and the outer jacket tear is localized, we can repair with proper mastic and mesh reinforcement, then seal the surrounding joints. This saves Little Elm homeowners money and gets the system sealed without the cost of a full re-duct. We only recommend replacement when the flex is saturated, the inner liner is compromised, or the run is so poorly routed that sealing would be a band-aid.
Attic Access and Two-Story Challenges
Little Elm’s two-story tract homes often have flex-duct runs that cross from one side of the attic to the other, with the air handler tucked in a closet or garage. These long spans are where we find the most sagging and disconnection. Our crew carries the right ladders and attic safety gear to reach these runs without cutting drywall, and we photograph everything so you see what we saw.
Air Duct Sealing in Little Elm
Air Duct Sealing in Little Elm targets the gaps, cracks, and failed connections that let conditioned air escape into your attic and pull hot, humid outside air back into your system. On a typical 2000s-era Little Elm home with flex duct in an unconditioned attic, we measure leakage with a duct blaster or pressure pan test, then seal boot-to-floor joints, collar connections, and plenum seams with mastic and fiberglass mesh – not tape, which fails in attic heat. Whole-home duct sealing in Little Elm generally runs $350 – $850, with larger two-story homes or systems with multiple air handlers at the higher end.
Mastic Sealing vs. Tape
We don’t use duct tape for sealing. The adhesive breaks down in attic heat within a few years. We brush on water-based mastic, embed fiberglass mesh at stress points, and let it cure to a flexible, permanent seal. In Little Elm’s attics, where summer temperatures hit 140°F, this is the only method that holds. We show you the application before we close the attic.
What Sealing Actually Fixes
Sealing stops the air loss. It does not sanitize or deodorize. If your ducts have microbial growth from Little Elm’s humidity, sealing alone won’t remove it – we address that with source removal and, if needed, proper mechanical cleaning. But sealing is what keeps the problem from returning, because sealed ducts don’t pull humid attic air across damp surfaces.
Trusted Brands We Service in Little Elm
We carry parts and filtration products from Honeywell, Aprilaire, and Abatement Technologies – brands that hold up in North Texas conditions. For Little Elm homeowners, this means faster turnaround when we find a failed component during sealing or repair. We don’t have to order and return; we stock the collars, boots, and filtration media that match the equipment in your home. Our Nikro negative-air machines and Rotobrush rotary systems are on every truck, so the crew that arrives has the tools to complete the job without a second trip.
Common Duct Sealing Problems We See in Little Elm Homes
- Visible register sealing while attic leakage is ignored. Crushed or disconnected flex runs in 2000s-era Little Elm builds lose far more air than any boot gap. We inspect the full run, not just what’s easy to reach.
- Sealing over damp duct surfaces. Foam or caulk applied over ducts that are still wet from North Texas humidity traps moisture and feeds the same microbial growth the homeowner paid to remove. We verify dryness before we seal.
- Fogging “sanitizer” sold as the fix. No amount of spray corrects a duct system whose joints leak. The air handler keeps pulling hot, humid attic air back into the run. Sealing the leaks is what stops the cycle.
- Rust on metal collars near Lake Lewisville. Techs working Little Elm’s lakefront and near-lake neighborhoods regularly find rust on metal duct collars and microbial growth in air handlers from the extra humidity off the lake, even in homes that aren’t waterfront. We replace corroded hardware and seal with materials rated for wet conditions.
Pricing for Duct Sealing in Little Elm, TX
Whole-home duct sealing in Little Elm runs $350 – $850. Single-run duct repair is $180 – $450. What moves the price: how many air handlers you have, whether the ductwork is accessible or buried in insulation, and whether we find disconnected runs that need reconnection before sealing can begin. We do not quote per-vent prices. We price per system, in writing, before any work starts. That price does not move at the door.
Every estimate is free. Call (361) 326-5060 and we’ll schedule a technician to inspect your attic ductwork, measure leakage if needed, and give you a written price you can compare.
We Also Serve Cities Near Little Elm
Our crews work throughout the northern Dallas-Fort Worth metro, including Duct Sealing in Little Elm and the surrounding communities of Lake Dallas, Frisco, The Colony, and Aubrey. Scheduling and dispatch are coordinated from our Dallas-Fort Worth office, with local crews serving each area.
Serving Little Elm, TX - Our Local Coverage Area
We’re based in the Little Elm 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 Little Elm
Whole-home duct sealing in Little Elm typically costs $350 – $850, and single-run repairs run $180 – $450. The exact price depends on system size and attic accessibility. Call (361) 326-5060 for a free written estimate.
Yes, but only if it’s done as part of a sealed system. Sealing stops your air handler from pulling dusty, humid attic air back through leaks. In Little Elm, where Gulf moisture and construction dust from ongoing development both load the air, a sealed duct system filters what it should instead of bypassing the filter through gaps. We pair sealing with source removal when the ducts are dirty.
We photograph the before condition, the sealing application, and the finished joints. You see what we saw in your attic. Our 365-Day Done Right Promise covers the seal for a full year – if conditioned air is still escaping, we return and make it right at no charge, including a free second visit.
Low quotes often cover only register boot sealing, which ignores the real leakage in Little Elm’s attic flex runs. Others quote a fogging “sanitizer” as the solution, which does nothing to stop air loss. We price the full system, seal every accessible joint with mastic and mesh, and put the guarantee in writing.
Yes. We work in Paloma Creek, the subdivisions off Eldorado Parkway, the lakefront areas near Lake Lewisville, and throughout the 75068 zip code and surrounding Little Elm addresses. Dispatch is from our Dallas-Fort Worth office; crews arrive inside the quoted window.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Little Elm and the Dallas-Fort Worth metro since 2004.