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 North Las Vegas
Duct sealing in North Las Vegas typically runs $450 – $900 for a single-family home, depending on the number of kinked flex runs and the condition of existing duct connections. Most jobs take one visit. We’ll give you a written price before any work starts, and that number won’t move when the technician arrives. If you’re noticing weak airflow from certain vents, dust accumulating quickly after cleaning, or rooms that never quite cool down even when the AC runs nonstop, call us at (775) 383-5847. We know exactly what North Las Vegas duct systems look like inside, especially in homes built after 2000.
Why Hollis Air Duct Henderson Is North Las Vegas’s Preferred Duct Sealing Company
Duct sealing in North Las Vegas gets complicated fast when the original ductwork was installed during the city’s explosive growth years. We’ve worked in hundreds of homes across Aliante, Eldorado, and the neighborhoods around Craig Ranch Regional Park, and we know what lurks inside those systems. Our technicians arrive in uniform, background-checked, and on time. They follow our Duct Sealing process by the book: source-remove debris first, seal second. There’s no checklist theater here. The Garrison Code governs how our crew behaves on your property. Arrive inside the quoted window. Price in writing before anything gets touched. Leave the site cleaner than we found it. Roy Castellanos set that standard, and every technician who works in North Las Vegas answers to it.
Our 365-Day Done Right Promise applies to every duct sealing job in North Las Vegas. If a sealed joint fails within a year, we return and fix it at no charge. That includes a free second visit, not negotiated after the fact. Nobody in this trade offers that in writing as standard practice.
Styles & brands we work with




Air Duct Sealing in North Las Vegas
Air duct sealing in North Las Vegas is the process of closing off leaks at duct joints, register connections, and kinked flex runs so conditioned air reaches the rooms it’s supposed to. In a city where summer temperatures push past 110°F, a 20% leak rate means you’re paying to cool your attic or garage. We apply mastic sealant, the same material commercial HVAC crews use, at every accessible seam and connection. Before that happens, we source-remove what’s already inside the ducts. Sealing over construction debris traps it permanently.
When Newer Homes Need It Most
Homes built between 2000 and 2010 in North Las Vegas often have flex duct that was installed quickly during boom-era construction. Kinks are common. Crushed sections happen. Airflow suffers even when the system is technically “sealed.” We inspect the full run, not just the trunk line.
What the Job Actually Involves
We run a Rotobrush rotary brush system with agitation tools under negative pressure to pull out drywall dust, sawdust, and whatever else the original build crew left behind. Then we seal. Before-and-after photos of your own ducts are part of the job. You see the seams we sealed. You see what came out.
Duct Sealing Services in North Las Vegas
Duct sealing services in North Las Vegas cover both supply and return runs, register connections, and accessible joints throughout the system. We don’t just hit the visible trunk lines. A leak at a register boot in the ceiling wastes the same cooled air as a leak in the attic. Homes in North Las Vegas’s newer neighborhoods often have systems mounted in the garage, which means duct runs are shorter but more prone to kinks and compression points. If a flex run is crushed, sealant alone won’t fix it. We replace the damaged section and seal it properly.
Supply and Return Duct Sealing
Both sides matter. The supply side pushes conditioned air to your rooms. The return side pulls air back to the system. If return ducts leak, the system pulls unfiltered air from the garage or attic. That air never passes through the filter. In North Las Vegas, where fine desert silt is constant, this is how dust keeps appearing on surfaces no matter how often you clean.

Register and Boot Sealing
The connection between ductwork and the register boot is a frequent leak point. We see it in tract homes throughout North Las Vegas’s post-1990 housing stock. Gaps here let conditioned air escape into wall cavities. Sealing these connections is fast, but skipping them means the system still leaks after we leave.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in North Las Vegas
Our equipment roster includes professional-grade tools from Rotobrush, Nikro, and Abatement Technologies. We also work with filtration products from Honeywell and Aprilaire. These are the brands commercial crews use on large buildings, not hardware-store gear. For North Las Vegas homeowners, that means deeper debris extraction and sealant application that holds. We maintain our equipment on a strict schedule. The negative-air machines pull the system under negative pressure while the rotary brush agitates debris loose, which keeps dust from escaping into your living space during the job.
See the difference
Before
After
Before
After
Before
AfterCommon Duct Sealing Problems We See in North Las Vegas Homes
- Construction debris sealed over by previous crews. We find drywall dust, sawdust, and paint overspray inside ductwork in Aliante and Eldorado at rates far higher than anywhere else in the valley. Sealing over this without source removal locks the debris in for years.
- Kinked or crushed flex duct in garage-mounted systems. Short runs from a garage-mounted air handler often get bent during installation. The system still runs, but airflow to certain rooms drops hard. Sealing won’t fix a crushed duct. It needs replacement.
- High desert silt accumulation. With 300 sunny days a year and intense summer heat, HVAC systems in North Las Vegas run almost continuously. The dust pulled in during those cycles builds up on duct walls. Low humidity creates static that makes the fine silt cling. Sealing the joints reduces how much new dust gets pulled in, but the existing accumulation has to come out first.
- Sealant applied only to visible trunk lines. Some outfits do exactly that and call it done. Registers and return connections stay leaky. You still lose conditioned air. We seal the whole system, not what’s convenient to reach.
Pricing for Duct Sealing in North Las Vegas, NV
You should know what duct sealing costs before you pick up the phone. In North Las Vegas, a typical single-family home runs $450 – $900 for full duct sealing, depending on system size and how many flex runs need replacement. A smaller single-story tract home with accessible ductwork might fall on the lower end. A two-story with a garage-mounted system and multiple kinked runs will push higher. We give one flat price per system, in writing, before any work starts. That price doesn’t change at the door. No per-vent pricing. No upsells once the technician is inside. Estimates are free. Call (775) 383-5847 and we’ll walk you through what your specific home needs.
We Also Serve Cities Near North Las Vegas
Our duct sealing crews work throughout the surrounding area, including Nellis AFB, Henderson, and Boulder City. If you’re a few minutes outside North Las Vegas and want the same written price and 365-Day Done Right Promise, we cover your neighborhood too. Scheduling is coordinated from our Las Vegas office, and crews serve North Las Vegas locally.
Serving North Las Vegas, NV - Our Local Coverage Area
We’re based in the North Las Vegas 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 North Las Vegas
We find significantly more construction debris in North Las Vegas ducts than in older parts of Las Vegas or Henderson. This is specific to the city’s post-2000 building boom. Homes built during that period often had drywall dust, sawdust, and paint overspray left inside ductwork from the original build. In newer neighborhoods like Aliante and Eldorado, we routinely pull out enough debris to fill a small shop vacuum canister. That debris has been circulating through those systems since the day the house was finished. It doesn’t go away on its own. If you’ve lived in your North Las Vegas home since it was new and you’ve never had the ducts cleaned, that dust is almost certainly still there. Call (775) 383-5847 to talk through whether this applies to your home.
No. Sealant will not fix a kinked or crushed flex duct. If the duct is physically restricted, the only fix is to replace that section. This is a common issue in North Las Vegas tract homes with garage-mounted systems, where flex duct runs are short and often bent during installation. What we do is identify the kink, replace the damaged section, and seal the new connections properly. Then the airflow returns. If a company tells you sealing alone will fix weak airflow in this situation, they’re either wrong or they’re not looking closely enough. We recently sealed ducts in an Aliante tract home where the HVAC was in the garage and two flex runs were kinked, cutting airflow to the master bedroom. Our tech used a Rotobrush with agitation tools under negative pressure to source-remove drywall dust and construction debris from the supply and return ducts, then applied duct sealant to the kinks and joints. Before-and-after photos showed the airflow improvement and the sealed seams, and the homeowner felt the difference that same afternoon.
This depends entirely on the condition of your ductwork, not the age of your home. Many post-2000 North Las Vegas homes are tightly sealed and energy efficient at the envelope level. But the ductwork inside doesn’t always match that standard. We regularly find gaps at register boots, loose connections at the air handler, and kinked flex runs in homes built as recently as the last decade. The home is energy efficient. The ductwork leaks anyway. The only way to know is to inspect the system. We’ll show you before-and-after photos of your own ducts so you can see exactly what we sealed and what came out. If your ducts are clean and tight, we’ll tell you that too. Integrity means telling a homeowner when a job isn’t necessary. Call (775) 383-5847 for a straight answer.
The flat price includes source removal of debris from all accessible supply and return ducts, sealing of all accessible joints and register connections, replacement of any kinked or crushed flex sections, and before-and-after photos of your own ducts. That’s one price, written down, agreed before work starts. It does not move at the door. If a technician finds something unexpected during the job, the price still doesn’t change. We eat that if it’s within the scope of the sealed system. The 365-Day Done Right Promise covers the work for a full year. If a sealed joint fails, we return at no charge. That’s the guarantee in writing on every job. Call (775) 383-5847 for an exact quote. Estimates are free.
In North Las Vegas, ducts generally need source-removal cleaning every 3 to 5 years, though homes with pets, heavy construction nearby, or severe dust problems may need it more often. Sealing is different. Duct sealing is a one-time job, not a recurring service. Once the joints and connections are sealed, they stay sealed as long as the ductwork isn’t disturbed. The desert climate in North Las Vegas means fine silt and dust accumulate faster than in humid regions, but sealing is about fixing leaks, not routine maintenance. If your system was sealed properly once, you’re done. What you’ll want periodically is cleaning, not re-sealing. Anyone telling you to re-seal your ducts every couple of years is selling something you don’t need. We’ll tell you the truth. Call (775) 383-5847 and we’ll help you figure out what your system actually needs.
Ready to get your North Las Vegas ducts sealed right? Call us at (775) 383-5847 for a free, no-pressure estimate. We’ll give you a written price before any work starts, and that price won’t change. You can reach a live person any time, day or night.
Written by Roy Castellanos, Owner at Hollis Air Duct Henderson, serving North Las Vegas and the surrounding area.