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.
Before
After
Before
After
Before
AfterFast, Reliable Duct Sealing Across North Las Vegas
Duct sealing in North Las Vegas typically runs $400 – $900 for a whole-home system, and most jobs are scheduled within a few business days. If your home was built after 1990 in Aliante, Eldorado, or Centennial Hills, the leaks you’re feeling probably started at the original construction, not from decades of wear. We’re Hollis Air Duct Cleaning, part of the Garrison Partners family, and our Duct Sealing team works North Las Vegas from our Las Vegas dispatch office. Call (361) 326-5060 for a written estimate before any work starts.
Most North Las Vegas homes are 30 years old or newer, so our duct sealing calls here usually turn on loose flex-duct collars and untaped plenum seams from the original build rather than the pitted, decades-old galvanized trunks we get called for in older Las Vegas neighborhoods. The master-planned boomtown growth meant crews were working fast, and the flexible plastic ductwork that dominates subdivisions like Aliante and Eldorado was often left with gaps that don’t show up until the homeowner notices a hot room or a blower motor straining.
Why Hollis Air Duct Cleaning Is North Las Vegas’s Preferred Duct Sealing Company
We’ve been in business since 2004 under the Garrison Partners family, and our North Las Vegas reputation is built on showing up inside the quoted window, pricing in writing, and leaving the site clean. That’s The Garrison Standard, and it applies to every job we run in the 89031, 89032, 89081, and 89084 zip codes.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. The price we write down before any work starts is the price you pay. It does not move at the door.
Every repair we make in North Las Vegas carries our 365-Day Done Right Promise. If the work fails 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. No voicemail loops, no callback queues, no waiting until Monday for a North Las Vegas homeowner who wants to get on the schedule.
Duct Repair in North Las Vegas
Duct Repair in North Las Vegas means fixing the physical damage that happens when flexible plastic duct gets pinched, torn, or pulled loose at the collar during installation or after years of thermal expansion in our extreme heat. A typical duct repair in North Las Vegas runs $250 – $550 depending on accessibility and whether we’re replacing a section of flex duct or reattaching a plenum connection. Most calls come from homeowners in Aliante and Eldorado who notice a room that won’t hold temperature, or a rattling sound when the system cycles on.
Collar and Connection Fixes
The collar where flex duct meets the plenum or register boot is the weakest point in newer North Las Vegas homes. Builder crews often used single-wrap tape that degrades in our attic heat. We cut back to solid duct, install a proper mechanical collar, and seal with mastic rated for high-temperature cycling. The repair holds.
Crushed or Pinched Flex Duct
In tight attic spaces common in Centennial Hills tract homes, flex duct gets compressed against framing or insulation. That restriction raises static pressure and burns out blower motors. We reroute or replace the damaged section so air moves freely again.
Air Duct Sealing in North Las Vegas
Air Duct Sealing in North Las Vegas addresses the gaps and seams that leak conditioned air into attics, crawl spaces, or wall cavities before it ever reaches your rooms. A typical whole-home air duct sealing job in North Las Vegas runs $400 – $900, with smaller partial-system repairs at the lower end and multi-zone homes with complex attic runs toward the higher end. We use this service most often in homes built between 1995 and 2015 where the original sealant has failed or was never properly applied.
Mastic Sealing for Lasting Results
We seal with water-based duct mastic, not tape alone. Mastic remains flexible through our 115-degree summers and seals micro-gaps that tape can’t cover. We brush it onto every seam, joint, and penetration, then verify with a visual inspection. The stuff works.
Post-Cleaning Seal Verification
After source removal under negative pressure, we check every connection we disturbed. A clean duct system with a fresh seal performs measurably better than one that’s only half-addressed. We don’t leave until the air is moving where it’s supposed to go.
Trusted Brands We Service in North Las Vegas
Our equipment roster includes Rotobrush rotary brush systems for mechanical agitation inside flex duct, Nikro negative-air machines for controlled debris removal, and sealing and filtration products from Aprilaire, Abatement Technologies, and Guardsman. We stock common collar sizes, plenum fittings, and mastic compounds so North Las Vegas homeowners aren’t waiting on parts. For a standard Aliante or Eldorado tract home, we can usually diagnose, quote, and complete the seal work in a single scheduled visit. If your system uses Honeywell or Aprilaire filtration components, we match our seal work to the static-pressure requirements of those units so nothing we do works against your existing equipment.
Common Duct Sealing Problems We See in North Las Vegas Homes
- Loose flex-duct collars from rushed original installs. In Aliante and Eldorado, flexible plastic duct is often pinched or torn at the collar where the builder’s crew rushed the install, so sealing tape alone won’t hold and the leak returns within a season. We replace the mechanical connection and seal with mastic.
- Unsealed plenum and register boots dumping drywall dust. New construction in North Las Vegas left fine drywall dust in the system at handover. Unsealed boots let that dust migrate into living spaces, so homeowners chase the problem with better filters instead of fixing the source gap.
- Desert sand infiltration through return-side gaps. High winds in North Las Vegas push fine sand into duct systems through any opening. If a builder-grade MERV rating isn’t matched to the blower motor, the system loses static pressure and the seal work gets blamed for a problem that started upstream.
- Thermal expansion stress on attic duct runs. Our 50-degree daily temperature swings in shoulder seasons flex and contract plastic ductwork. Seams that were tight in March have opened by August. We inspect for this seasonal pattern during every North Las Vegas service call.
Pricing for Duct Sealing in North Las Vegas, NV
Whole-home duct sealing in North Las Vegas typically costs $400 – $900. Partial-system repairs focusing on a single zone or a few accessible leaks start around $250. What moves you within that range: the number of supply and return branches, whether we need attic access in a two-story Centennial Hills home, and whether we’re sealing after a cleaning or addressing standalone leaks.
We give one flat price per system, agreed in writing before work starts. No per-vent pricing. No add-ons at the door. The estimate is free. Call (361) 326-5060 and we’ll schedule a look.
Homes in newer North Las Vegas subdivisions sometimes need less extensive sealing than older Las Vegas properties, but the access can be tighter and the original work sloppier. We price what we see, not what we assume.
We Also Serve Cities Near North Las Vegas
Our crews work throughout the Las Vegas Valley, including Duct Sealing in North Las Vegas and surrounding areas: Las Vegas proper, Nellis AFB, Henderson, and Boulder City. Scheduling and dispatch are coordinated from our Las Vegas office, with local crews serving each area.
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
Yes, probably. North Las Vegas homes built in the last decade often have the worst original seal work because crews were rushing to meet demand during the post-recession building boom. In Aliante, a family in a 2016-built home had a blower motor pulling hard and a bedroom that never cooled; our tech ran a camera inspection and found drywall dust packed into the flexible supply runs, plus an unsealed collar joint at the air handler that was dumping conditioned air into the garage ceiling. We performed source removal under negative pressure with HEPA filtration, then sealed the collar and adjacent seams so the system could finally move air to the right rooms. A week later the homeowner reported the upstairs register was actually blowing cold for the first time since they moved in. Call (361) 326-5060 for an inspection.
Newer North Las Vegas homes use flexible plastic ductwork with mechanical collar connections, while older Las Vegas neighborhoods often have rigid galvanized steel trunks that corrode and pit over decades. We seal flex duct with mastic at the collars and seams; we repair steel with patch kits and sealant at the joints. The tools and materials differ, and so does the failure pattern. Call (361) 326-5060 and we’ll diagnose what you’re working with.
Sealing alone won’t remove dust that’s already inside. If you’re seeing dust accumulation, we typically recommend source removal cleaning first, then sealing the gaps that let new dust in. In North Las Vegas, that sequence matters because desert sand keeps entering through unsealed returns. We price both phases separately so you choose what fits. Call (361) 326-5060 for an exact quote.
Yes, typically 10 – 20 percent in homes with significant leakage, which describes most of the North Las Vegas tract homes we service. When conditioned air escapes into the attic before reaching your rooms, the system runs longer to hit thermostat setpoints. Sealing restores proper airflow and reduces runtime. The savings are more pronounced in North Las Vegas than in milder climates because our cooling season runs six months or more. Call (361) 326-5060 for a free estimate.
Our spring and fall wind events push fine sand against exterior penetrations and into any gap in the return path. A properly sealed system with matched filtration resists this. A system with original builder-grade seals will re-contaminate within a season or two. We inspect for wind-driven infiltration patterns specific to North Las Vegas’s exposure. Call (361) 326-5060 to schedule.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving North Las Vegas since 2004.