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 Enterprise
Duct sealing in Enterprise, NV typically runs $450 – $1,200 for a whole-home system, with most single-story homes falling in the $550 – $850 range. We dispatch crews from our Las Vegas office and serve Enterprise properties throughout the week, including the master-planned communities along the southern valley edge. If your upstairs rooms never cool properly or your power bill spikes every July, separated duct joints in your attic are the likely culprit. Call (361) 326-5060 for a free written estimate.
We’ve worked in Enterprise since the first wave of Mountain’s Edge and Southern Highlands builds, and we know what builder-grade flex duct looks like after a few Mojave dust seasons. Our Duct Sealing team doesn’t guess at the problem. We camera the lines, mark every leak, and give you a written price before any sealant touches your system.
Why Hollis Air Duct Cleaning Is Enterprise’s Preferred Duct Sealing Company
Enterprise homeowners have long memories for no-shows and price jumps. We’ve built our reputation here by doing the opposite. Our technicians arrive in uniform, inside the quoted window, with background checks verifiable on request. The Garrison Standard applies to every job: written price, written guarantee, site left clean.
Our 365-Day Done Right Promise covers every duct sealing repair in writing. If the seal fails or the leak returns 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 call (361) 326-5060, you reach someone who can schedule your Enterprise appointment, not a callback queue that dumps you to Monday.
We know the local building patterns. Two-story homes in Rhodes Ranch with multiple returns feeding a single attic air handler. The flex runs in Southern Highlands that sag where straps loosened in 110°F heat. The dust loading that hits after a spring wind event off the McCullough Range. That knowledge changes what we look for and how we fix it.
HVAC Duct Sealing in Enterprise
HVAC Duct Sealing in Enterprise means closing the gaps, separations, and tears in your forced-air system that pull 110°F attic air into your supply lines or dump conditioned air into spaces you don’t occupy. Most Enterprise homes built after 2000 use flexible ductwork installed by production crews working fast, and those flex connections loosen faster in our heat and constant-run cooling season than they do in milder climates. We seal with mastic and proper metal-backed tape rated for attic temperatures, not the hardware-store duct tape that turns to dust in a Nevada summer.
A typical whole-home HVAC duct sealing in Enterprise runs $450 – $1,200. Single-story homes with one air handler and accessible attic space usually land at $550 – $850. Two-story homes with multiple zones, hard-to-reach attic runs, or extensive re-strapping of sagging flex can reach $1,000 – $1,200. We price by the system, not by the linear foot, and we write the number down before we start.
Attic Flex Duct Sealing
Most Enterprise attics hit 140°F in July. That heat degrades the adhesive on original flex duct straps and loosens the connection collars where flex meets metal plenum. We re-strap with proper supports, seal every collar with mastic, and pressure-test the repair so you know it holds before we leave.
Return Air Leak Repair
Return leaks are the hidden energy thief in Enterprise homes. When your return pulls from a leaky chase in the attic instead of from your conditioned rooms, it draws superheated dust-laden air straight into your air handler. We smoke-test returns and seal chase gaps with rigid board and mastic, not spray foam that’ll off-gas into your airflow.
Duct Repair in Enterprise
Duct Repair in Enterprise addresses the physical damage that sealing alone won’t fix: crushed flex runs from storage in the attic, torn insulation jackets from rodent or construction traffic, and collapsed sections where original straps failed completely. We don’t seal over damaged duct. We cut out the bad section, splice in new flex rated for your system’s static pressure, and seal the joints properly. A typical duct repair in Enterprise runs $200 – $600 per damaged run, depending on accessibility and whether the plenum connection also needs rebuilding.
Because most Enterprise homes have two or more returns feeding a single air handler in a 110-degree attic, one southwest wind event off the McCullough Range can load an entire builder-grade flex system with desert dust in a single season. That means duct sealing and cleaning intervals here are set by dust loading, not by the age of the ductwork. We see this constantly. Our tech was called to a two-story home in Mountain’s Edge where the upstairs registers were blowing noticeably less air than the downstairs ones. Camera inspection showed separated joints and small tears in the builder-installed flex duct in the attic, with fine dust pulled in through the gaps; we sealed the leaking connections, repaired the damaged runs using Guardsman tape and mastic, and then completed source removal with negative pressure and HEPA filtration. The homeowner reported better balance between floors within days.
Crushed or Collapsed Flex Replacement
Homeowners in Southern Highlands and Rhodes Ranch often use attic space for storage. A box shoved onto a flex run in June can collapse it by August under constant blower pressure. We replace the damaged section with new insulated flex, re-route if needed to avoid future crush points, and strap it for proper slope so condensate drains correctly.
Insulation Jacket Restoration
The black polyethylene jacket on flex duct degrades in Enterprise attics. Once torn, the fiberglass underneath releases fibers into your airstream and the metal core loses its thermal barrier. We jacket repair with proper vapor-barrier materials or replace the run if damage is extensive, always sealing to existing sound duct.
Trusted Brands We Service in Enterprise
We stock sealing materials and repair components for the equipment found in Enterprise homes, including mastic and metal-backed tapes from Guardsman, filtration accessories from Aprilaire, and professional-grade negative-air machines from Abatement Technologies for source removal before sealing. Our Rotobrush rotary systems handle the pre-seal cleaning that builder-grade flex in Enterprise demands after Mojave dust seasons. We don’t order parts after we arrive. Our vans carry what Enterprise duct systems need, which keeps most jobs to a single visit.
Common Duct Sealing Problems We See in Enterprise Homes
- Sealing over dust-loaded flex duct without cleaning first. Mojave grit trapped under a fresh seal acts like sandpaper on the joint. We negative-pressure clean before we seal, every time.
- Missing attic leaks because visible registers look clean. The constant pull of a single air handler on multiple returns, combined with 110°F attic heat, quietly widens gaps in flex connections you can’t see from the living room. We camera every run.
- Wrong tape or sealant for flexible duct in extreme heat. Standard foil tape fails in Enterprise attics before the next dust season. We use mastic and high-temperature-rated metal-backed products that hold through July.
- Attic access doors left unsealed. In Mountain’s Edge and Southern Highlands homes with pull-down stairs, the chase itself becomes a massive return leak. We seal the chase with rigid board and weatherstrip the access.
Pricing for Duct Sealing in Enterprise, NV
Whole-home duct sealing in Enterprise runs $450 – $1,200. Most single-story homes with one air handler and standard attic access fall between $550 – $850. Two-story homes with multiple returns, zone dampers, or extensive re-strapping of sagging flex typically reach $900 – $1,200. Duct repair for individual damaged runs adds $200 – $600 per run.
What moves the price: accessibility of your attic (truss spacing, duct routing through finished spaces), extent of separation or tearing in the original flex, whether pre-seal cleaning is needed for dust-loaded systems, and if return chases or plenum connections require rebuilding. We don’t quote by the vent or by the foot. One flat price per system, agreed in writing before work starts. Estimates are free. Call (361) 326-5060.
We Also Serve Cities Near Enterprise
Our Las Vegas office dispatches crews throughout the valley. We provide Duct Sealing in Enterprise and also serve Las Vegas, Henderson, North Las Vegas, and Spring Valley with the same written pricing and 365-Day Done Right Promise.
Serving Enterprise, NV - Our Local Coverage Area
We’re based in the Enterprise 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 Enterprise
Most Enterprise homes need duct sealing every 18 to 24 months, not the 5-year interval recommended in milder climates. The combination of builder-grade flex duct, constant HVAC runtime, and McCullough Range dust events means gaps widen faster here than almost anywhere else in the valley. Call (361) 326-5060 to schedule an inspection and we’ll tell you if your system is due.
Yes, but only when paired with proper filtration. Sealing return leaks prevents your system from pulling unfiltered dust from the attic or wall chases, which is a major dust source in Enterprise homes. We also check your filter cabinet for gaps during every sealing job. Call (361) 326-5060 for a full-system evaluation.
Most 2000s-era flex duct in Enterprise can be sealed if the inner metal core and insulation jacket are intact. We camera-inspect to check for crushed sections, torn jackets, or degraded core material. If damage is localized, we repair that run and seal the rest. Replacement is only needed when multiple runs show core failure or the plenum connections have pulled loose completely.
Few Enterprise homes use wood heat given our mild winters and all-electric or gas HVAC prevalence, but properties on larger lots with outbuildings sometimes have wood stoves or outdoor boilers. If you’re supplementing with wood, sealed ducts matter more, not less. A leaky return in a wood-heated home pulls combustion particulates into your central system. We seal returns tight and verify with smoke testing.
Scheduling windows account for drive time, but the work standard doesn’t change. We arrive inside the quoted window, price in writing, and complete the job by The Garrison Code regardless of whether you’re off Blue Diamond Road or in the heart of Southern Highlands. The only difference is we confirm attic access and system layout by phone beforehand so the crew arrives prepared. Call (361) 326-5060 to book.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Enterprise and the Las Vegas Valley since 2004.




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