Whole-home duct cleaning
Dryer vent cleaning
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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.
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Before
AfterSupply Duct Cleaning in Las Vegas, NV
Supply duct cleaning in Las Vegas removes the buildup of dust, pet dander, and construction debris from the ducts that carry conditioned air into your rooms. Most standard supply duct cleanings for a typical Las Vegas home run between $300 and $600, depending on the number of vents and how long it’s been since the last cleaning. If your vents are puffing visible dust when the AC kicks on, that’s the supply side of your system telling you it’s time. Cardinal Air Duct Las Vegas does this work with heavy-duty negative-pressure equipment, not a shop vac, and we hand you a written price before we touch a single register. Call (725) 600-6597 and a live person picks up, any hour.
If you’re not sure whether you need full Air Duct Cleaning in Las Vegas or just the supply side addressed, start with this page. It covers what supply ducts do, when they need attention, what we charge, and what the process looks like from the moment you book to the final photo proof of clean ductwork.
When You Need Supply Duct Cleaning
Supply ducts are the outbound half of your HVAC system. They push cooled or heated air from the central unit to each room. Return ducts, by contrast, pull air back to be reconditioned. In Las Vegas, where the AC runs five to seven months a year at full tilt, supply ducts move an enormous volume of air through your home. Anything sitting inside them gets distributed, room by room, hour by hour.
Here are the concrete signs that your supply ducts need cleaning, and yes, we see these conditions constantly in neighborhoods across the valley, from Summerlin to Henderson to Centennial Hills:
- Visible dust puffing from vents when the system starts. If you see a little gray cloud when the AC kicks on, that’s compacted debris breaking loose from inside the supply duct. You’re breathing it.
- Uneven air delivery between rooms. A supply duct partially blocked by years of buildup simply can’t push the same volume of air as a clean one. Some rooms run hot, others freeze.
- Renovation or remodeling dust. Las Vegas sees constant construction, whether it’s a kitchen teardown in Green Valley or drywall work in Aliante. That fine powder settles inside supply ducts and recirculates for months afterward.
- Persistent odor that sharpens when the AC runs. Supply ducts hold onto smells: old cigarette smoke, pet dander, mildew from a past evaporator coil leak. When conditioned air passes through, it carries that odor straight into your living spaces.
- Worsening allergy or asthma symptoms at home, noticeably better away from home. Supply ducts act as a distribution network for allergens. If you feel fine at work and congested at home, the supply side is a prime suspect.
- Visible dust accumulation returning within days of house cleaning. You dust the furniture on Sunday, by Wednesday it’s back. That dust is cycling through your supply ducts and settling out onto surfaces.
One Las Vegas-specific note: our dry desert air, combined with the constant fine dust blown in from the surrounding Mojave, creates a finer, lighter particulate than what you’d see in a humid coastal city. This dust infiltrates homes through gaps, windows, and doors, then gets pulled into and pushed back out of the supply duct system. It’s a faster accumulation cycle than most homeowners expect. We regularly see supply ducts in Las Vegas homes that have never been cleaned, ten or fifteen years into the house’s life, carrying a half-inch of fine gray powder along the bottom of the main trunk line.
Our Supply Duct Cleaning Process
Every our Air Duct Cleaning services follows the same sequence, whether the home is a 1,500-square-foot condo near Summerlin or a 4,000-square-foot house in MacDonald Highlands. Here’s exactly what happens:
- Walk-through and system inspection. We check the condition of your supply ducts, note the type of ductwork (flex, rigid, or a mix), and identify the access points. We’ll catch anything unusual: disconnected runs, crushed flex sections, signs of moisture damage. Then we write your price and hand it to you before any work starts.
- Register sealing and access setup. We remove each supply register, seal off supply vents systematically, and cut a precise access opening into the main supply trunk line. The home is protected while we work, not covered in the debris we’re removing.
- Negative-pressure extraction. A Nikro HEPA-rated vacuum unit is connected directly to the supply trunk. Negative-pressure extraction means the loosened debris is pulled out of the duct and into the vacuum, never back into your living room. This is the difference between professional duct cleaning and a guy with a Shop-Vac.
- Mechanical agitation of duct walls. We feed Rotobrush rotary brush systems through the full length of every supply run. The brush heads physically scrub the interior walls, dislodging the compacted dust layer that vacuum suction alone won’t remove.
- Every supply register individually cleaned and re-seated. The vent covers themselves, the last thing air passes through before it reaches your room, get scrubbed, rinsed, and carefully reinstalled. No point cleaning the pipes and reattaching dirty grilles.
- Before-and-after documentation. You get photo proof of the work. The inside of the supply trunk line, the branch runs, the registers. You’ll see the difference in the photos, not just hear us describe it. This is the Relay Standard: proof, not promises.
And the entire job is backed by the 365-Day Done Right Promise. If the work isn’t right within 365 days, we return and correct it at no charge. That’s not a select-jobs warranty. It applies to every supply duct cleaning we book, without exception.
Supply Duct Cleaning Pricing in Las Vegas
Let’s talk real numbers. Most standard supply duct cleanings in Las Vegas run $300 to $600 for a typical home-see How Much Does Air Duct Cleaning Cost? (2026 Price Guide) - Las Vegas, NV for a full breakdown. Here’s what moves the price:
- Number of supply vents. A 1,200-square-foot condo with six supply registers costs less than a 3,500-square-foot house with fourteen.
- Age of the home and last cleaning. A supply system that hasn’t been touched in 15 years takes longer to clean properly than one cleaned three years ago. More passes with the brush, more vacuum time, more labor.
- Type of ductwork. Rigid metal ducts typically clean faster than flex ducts. Flex, with its ribbed interior, catches and holds debris more stubbornly, requiring slower, more deliberate pass rates.
- Access complexity. In Las Vegas, many supply trunks run through the attic. Attic spaces in the heat of July push 130 degrees. That’s fine, we work in those conditions routinely, but attic access can add time to a job. Some homes in the older central valley have supply ducts running under slab, which requires a different access approach altogether.
Every quote is written, handed to you before work begins, and does not change at the door. No surprise add-ons, no “we found something” upcharges. The price we write is the price we honor. If you want a firmer number, call (725) 600-6597 and describe your home: square footage, number of vents, last time the supply ducts were cleaned. We’ll give you a realistic range on the spot. Estimates are free.
One question we get constantly: Is supply duct cleaning worth it separately from the return side? In most cases, cleaning the supply side addresses the half of the system that actually delivers air to your rooms. If your return ducts are also loaded with debris, which is common, we’ll recommend addressing both. But if the return side is relatively clean, there’s no reason to pay for work you don’t need. We’ll tell you straight, because The Relay Standard means you see the condition of your ducts before you pay for any cleaning.
FAQs – Supply Duct Cleaning
How often should supply ducts be cleaned in Las Vegas?
Every 3 to 5 years for most Las Vegas homes, and more frequently if you have multiple pets, recently completed renovations, or a household member with respiratory sensitivities. The Mojave’s fine dust accelerates accumulation compared to other climates, so five years in Las Vegas often looks like seven or eight years in a more humid region. A quick visual check of your supply registers will usually tell you where you stand. If you’re seeing a visible dust film on register louvers within a month of wiping them down, the supply ducts need attention. Call (725) 600-6597 and we’ll help you figure out whether it’s time.
How much does supply duct cleaning cost in Las Vegas?
Most supply duct cleanings in Las Vegas run between $300 and $600 for a typical single-family home-details in our guide on How Much Does Air Duct Cleaning Cost in Las Vegas, NV? (2026 Price Guide). Condos and smaller homes fall toward the lower end, larger homes with many vents toward the upper end. The variables are vent count, duct condition, duct type, and accessibility. You’ll always get a written price before any work starts, and that price does not change at the door.
Can you clean supply ducts the same day?
Yes, in most cases we can get a technician to you same-day or next-day, depending on scheduling. A live person answers calls 24/7, which is helpful if you’re managing an acute issue like visible dust blowing into a nursery or after a renovation dust event. Call (725) 600-6597 and we’ll give you an honest availability answer, not a “we’ll call you back” runaround.
Is supply duct cleaning messy?
No, not when it’s done with proper negative-pressure extraction. Our Nikro HEPA vacuum system pulls debris out of the supply ducts directly into the vacuum, and we used to worry about dust escaping into living spaces. A professional job leaves your home as clean as we found it, minus the stuff we removed. We remove each supply register, clean it, and reinstall it. We’re not hammering access holes into your walls in visible areas, we use existing access points and precisely cut openings in the supply trunk. You’ll see the before-and-after photos of the work. Call (725) 600-6597 to ask about any part of our process you’d like explained in more detail.
Why Las Vegas Homes Need Supply Duct Cleaning More Than Most
Las Vegas sits in the Mojave Desert, a landscape that produces fine, talc-like dust and sends it airborne on a regular basis. The valley’s development footprint, which constantly expands into new areas like Skye Canyon and Cadence, also means airborne construction dust is a daily fact of life. Your HVAC system pulls some of that in. The supply side gathers it. Then it pushes it back out into your house.
We’ve cleaned supply ducts in houses near Red Rock where the interior coating of dust was so consistent you could scrape it off in sheets, not clumps. It accumulates in the supply trunk line first, then the branch runs, then the registers. By the time a homeowner notices it puffing from a vent, the buildup inside the trunk is substantial. This is why a Video Inspection takes the guesswork out. We look first, then quote.
And when we inspect, we’re also looking for more than dust. Crushed flex runs, disconnected supply branches, fire-damper obstructions in homes built to newer fire codes, that sort of thing. A supply duct cleaning is a good moment to catch these issues, because a crushed 20-foot branch run means one room has been barely receiving air for years, and no amount of filter changes or thermostat adjustments was ever going to fix it. We’ll document what we see and show you. If it’s a repair we can handle, we’ll write it up with a price. If it’s a job for another trade, we’ll tell you that, too.
Our technicians run professional-grade equipment, not rented units from a hardware store. Rotobrush rotary brush systems for mechanical agitation. Nikro HEPA extraction for negative-pressure debris removal. Abatement Technologies containment when a job involves significant construction debris or a house that’s been through a major renovation. If a home has a neglected filtration setup, we can talk through upgrades from Honeywell, Aprilaire, and Guardsman that fit the existing system. And every one of our techs is background-checked, uniformed, and arrives with a name you’ll know before they ring your doorbell. That’s how The Relay Standard works: trackable arrival, photo proof, digital invoice, written price before any work. No ambiguity, no surprises.
Cardinal Air Duct Las Vegas is part of the Relay Home Co. family, founded in 2005. Our location is independently owned and operated, but it’s held to the same standard as every other Relay Home Co. business: total visibility from booking to final invoice. That means a live trackable arrival window, before-and-after photos of the supply duct interior, and a digital invoice you can pay from a link on your phone. If the work isn’t right within 365 days, we come back and make it right. No fine print, no conditions. That’s the 365-Day Done Right Promise, and it’s on every supply duct cleaning we perform, full stop.
A live person answers our phones around the clock. You won’t get a voicemail tree or a “call back during business hours” message. If your supply ducts are blowing dust into your rooms while your kids sleep in them, that’s not a Monday-morning problem. Call (725) 600-6597, describe what you’re seeing, and we’ll get you a straight answer and a firm price range. From our home page you can also explore the full scope of what we do, but for supply duct work specifically, the phone is the fastest path. We answer it.
Written by Omar Haddad, Owner at Cardinal Air Duct Las Vegas, serving Las Vegas.