Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-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 Whitney
Duct sealing in Whitney usually costs between $450 and $1,400 for a typical single-family home, and the work itself takes four to eight hours once we’re on site. Whitney’s post-1990s tract homes were built fast, and many of them run on inexpensive flex duct that breaks down in attic heat well before the HVAC system does. That means most Whitney homeowners don’t just need a cleaning; they need leaks found and sealed so the air they paid to condition actually reaches the rooms. Call us at (775) 383-5847 and we’ll give you a written price before anything gets touched.
We work in Whitney every week. We know the neighborhoods off Boulder Highway and Russell Road, and we know what 120-degree attic summers do to ductwork out here. When you call, you’re talking to someone who understands your house, not someone reading from a national script.
Why Hollis Air Duct Henderson Is Whitney’s Preferred Duct Sealing Company
Most Whitney homeowners who call us have already had a bad experience or two. They had a crew show up late, quote one price on the phone and another at the door, or run a cleaning and disappear when the dust came back three months later. That’s not how we operate. Hollis Air Duct Henderson runs on The Garrison Standard: arrive inside the window we quoted, price the job in writing before work starts, do the work by the book, and leave the site cleaner than we found it. It’s written down, not implied.
Every technician who steps onto a Whitney property is background-checked and uniformed, so you know exactly who’s walking through your door. Roy Castellanos leads our team, and he’s built the operation around one rule: if we wouldn’t sign off on it in our own house, we don’t sign off on it in yours. Our Duct Sealing team works from written checklists, and our 365-Day Done Right Promise covers every seal we make for a full year. If a joint fails, we come back and make it right at no charge. Not a prorated credit. Not a service fee. We come back.
Scheduling and dispatch for Whitney jobs are coordinated from our Las Vegas office, but the crews who do the work live and operate in this valley. That means response times are measured in days, not weeks, and parts runs to Whitney suppliers happen the same day when a job requires it.
Styles & brands we work with
Duct Repair in Whitney
Duct repair in Whitney is the step most homes skip, and it’s the step that makes or breaks the whole job. When we open an attic hatch on a 1998 tract home off Sunset Road, we typically find flex duct that’s cracked, compressed, or separated at the metal boot. Repairing that means cutting out the failed section and replacing it with proper duct, then fastening and sealing the connections so they don’t pull apart again. In Whitney, a duct repair job on a single system runs $350 to $900 depending on how many sections have failed.
What Repair Involves
We don’t patch over a problem and call it fixed. Failed flex gets removed, not wrapped. Collapsed sections get replaced with properly sized duct so airflow returns to what the system was originally designed to deliver. Loose boots at the ceiling or floor get re-fastened and sealed with mastic, not tape. The goal is simple: the air your blower pushes into the duct should come out of the register, not leak into the attic.
When a Whitney Home Needs It
If rooms at the far end of the house never seem to reach the thermostat setting, or if you see dust accumulating around return grilles within days of cleaning, you likely have a supply-side leak. If your attic smells warm and dusty when the system runs, that’s return-side leakage pulling in insulation and whatever else is up there. Either one is worth fixing before you spend another summer overworking your AC.
Air Duct Sealing in Whitney
Air duct sealing in Whitney is a repair-first job, not a clean-and-go. Because so many homes here were built during the 1990s and 2000s housing push, builders used flexible duct that wasn’t designed for decades of Mojave heat. Attics here routinely hit 130 degrees in July and August. That heat bakes the plastic outer jacket until it cracks, and it dries out the adhesive on every taped joint until the tape simply lets go. Sealing those systems properly runs $450 to $1,400 for a typical Whitney single-family home.
Where Leaks Hide
The plenum connections are the first place we look. That’s where the main trunk meets the supply or return boot, and it’s where the original installer’s duct tape has usually turned brittle and peeled off. The second spot is mid-run joints on long flex sections, which sag, stretch, and open up over time. Pinhole leaks from wind-blown sand abrading exposed seams also show up on homes near open desert parcels along the eastern edge of Whitney.
What We Use to Seal
We seal with water-based mastic, which stays flexible and bonds permanently to metal, flex, and fiberboard. For homes with extensive small leaks, we use Aeroseal, a pressurized sealing process that reaches joints and pinholes you can’t get to by hand. Both methods stop the leak at the source instead of wrapping it in something that will fail again in two summers.
Trusted Brands We Service in Whitney
We service and seal ductwork on systems built around equipment from every major manufacturer, and we stock common fittings, collars, boots, and flex replacements that fit the Honeywell, Aprilaire, and Guardsman filtration platforms found in Whitney homes. That matters when a repair job needs a specific collar size or an odd transition piece; we’re not scheduling a second visit because we had to order a part. If your system runs a Honeywell whole-house filter or an Aprilaire media cabinet, we’ll inspect that cabinet as part of the sealing job and flag any leaks around the housing that are letting unfiltered air bypass the filter entirely.
See the difference
Before
After
Before
After
Before
AfterCommon Duct Sealing Problems We See in Whitney Homes
- Heat-degraded flex duct in attics. The outer jacket on 20-year-old flex duct gets brittle and splits open, exposing the inner liner. Once the liner tears, the duct pulls attic air – full of blown-in insulation and desert dust – straight into your living space.
- Failed duct tape at joints and boots. Duct tape adhesive was never rated for 120-degree-plus attic conditions. In Whitney’s dry heat, it dries out and peels within five to seven years. We find separated boots on nearly every 1990s home we open.
- Collapsed or kinked flex runs. Builders in the boom years ran duct the fastest way possible, not the best way. Tight bends and hard 90s become restriction points, then collapse points. On a 2004 single-family home off Russell Road, our tech found the supply and return ducts in the attic had collapsed flex sections and failed duct tape joints, pulling in blown-in insulation and desert dust. We sealed the leaks with mastic and Aeroseal, restoring negative pressure and cutting the blower motor’s runtime by 22%.
- Wind-blown sand pinholes on exposed seams. Homes along the eastern edge of Whitney, closer to open desert near Nellis AFB and the foothills, get hit with sand-laden wind. Fine grit abrades exposed duct seams over years and opens pinholes that pull in particulate every time the blower cycles.
Pricing for Duct Sealing in Whitney, NV
A straightforward air duct sealing job in Whitney on a single-system home runs $450 to $1,400. That covers a full attic inspection, sealing all accessible joints and boots with mastic, and a post-job airflow check. Duct repair adds $350 to $900 when we have to cut out and replace failed flex sections. Homes with extensive pinhole leaks may need Aeroseal, which adds $600 to $1,200 depending on system size and leak severity. Every price is written down before we start, and it doesn’t move. Call (775) 383-5847 for a free estimate on your Whitney home.
We Also Serve Cities Near Whitney
Our crews cover the entire Las Vegas Valley, so if you’re in Henderson, Paradise, Boulder City, or Nellis AFB, the same written pricing and 365-Day Done Right Promise applies. Duct Sealing in Whitney is our home turf, but we’re on the road throughout the southeast valley every week.
Serving Whitney, NV - Our Local Coverage Area
We’re based in the Whitney 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 Whitney
You need sealing if you see dust on surfaces within two to three days of cleaning, if certain rooms never reach the thermostat setting, or if your attic smells warm and dusty when the AC runs. On Whitney homes built in the 1990s and 2000s, we find leaks on nearly every inspection, which is why we recommend sealing before or alongside cleaning. Call (775) 383-5847 and we’ll inspect yours for free.
Yes. When supply ducts leak into a 130-degree attic, your AC loses conditioned air before it reaches any room, and the system runs longer to make up the difference. Sealing those leaks means the air you paid to cool reaches the rooms, and the blower doesn’t run overtime. We’ve measured blower runtime drops of 20% or more on sealed Whitney systems, which directly tracks to lower summer bills.
Sealing closes the gaps and joints where conditioned air escapes, using mastic or Aeroseal. Repair replaces failed duct sections that are collapsed, torn, or too degraded to hold a seal. In Whitney, the two usually go together because heat-damaged flex duct often needs sections replaced before the remaining system can be reliably sealed. We always price both separately in writing so you know exactly what you’re paying for.
No. Duct tape adhesive fails in attic heat within a few years, and it doesn’t bond well to flex duct or fiberboard. In Whitney’s arid climate, taped joints start peeling within five to seven years. Proper sealing uses water-based mastic, which stays flexible and bonds permanently. That’s the standard we use, and it’s covered by our 365-Day Done Right Promise. A DIY tape job won’t last one Whitney summer before it fails again.
For homes along Whitney’s eastern edge near open desert and Nellis AFB, we recommend a sealing inspection every three to five years and a full duct cleaning every two to three years. The sand-laden wind out there accelerates seam abrasion, and the dry dust loads up faster than in the western neighborhoods. Sealing first, then cleaning, keeps the ducts clean longer because they’re not pulling attic air and desert dust through every cycle. Call (775) 383-5847 for a free inspection and a written quote.
Written by Roy Castellanos, Owner at Hollis Air Duct Henderson, serving Whitney and the Las Vegas Valley.