Whole-home duct 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
AfterHow Much Does Duct Repair & Sealing Cost in Las Vegas?
Duct repair and sealing in Las Vegas typically runs between $450 and $1,850 for most homes, with the average homeowner paying right around $950. A full-system reseal of an average 2,000-square-foot home in Las Vegas falls between $650 and $1,400, depending on access, duct material, and how much of the system has failed. If sections of ductwork need replacement rather than just sealing, costs climb quickly into the $1,200 to $3,000 range.
Those numbers are real ranges we quote weekly to homeowners across Las Vegas. They’re not pulled from a national database or rounded for comfort. They reflect what we see on the ground here, where attic temperatures routinely cross 140 degrees in July and old flex duct fails faster than it does almost anywhere else in the country.
If you want a quote for your specific home, call (725) 210-0612. The estimate is free and the price we give you is the price you’ll pay. We put it in writing before a single vent is opened.
If you’re just starting your research, our home page covers the full range of what we do in Las Vegas, and our dedicated Duct Repair & Sealing in Las Vegas page goes deeper into the service itself.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s what duct repair and sealing actually costs in Las Vegas in 2026, broken down by the work involved. We give every customer a written line-item price before work begins, so there is no guessing at the door.
| Service | Typical Las Vegas Cost Range |
|---|---|
| Duct inspection (with video scope) | $75 – $150 |
| Sealing minor duct leaks (1 – 3 locations) | $150 – $350 |
| Full-system duct sealing (average home) | $650 – $1,400 |
| Duct section replacement (per 10 feet of flex duct) | $120 – $220 |
| Duct repair after rodent or pest damage | $300 – $900 |
| Whole-home duct replacement (older systems) | $2,500 – $6,500 |
| Aeroseal or similar whole-system aerosol sealing | $1,800 – $3,400 |
| Re-insulation of exposed metal ducts | $250 – $700 |
That table is a fair snapshot of the Las Vegas market. But you should know what moves the price up or down before you compare any quote against another.
What drives the cost up
- Attic access constraints. Many Las Vegas homes have low-pitch roofs and shallow attics. If the ductwork sits in a tight chase or under a low truss, labor time rises because the tech is working in a crawl position with limited reach.
- Duct age and material. Homes built before 1995 often have gray flex duct that has turned brittle from decades of desert heat. Brittle ducts tear when manipulated, which can turn a simple seal into a section replacement mid-job. We flag this in the written estimate before starting, not after.
- Rodent or pest intrusion. Pack rats and mice are a constant issue in Las Vegas neighborhoods near open desert, including areas like Summerlin’s outer edges, parts of Anthem, and the older pockets around Sunrise Manor. Chewed ductwork needs repair plus sanitizing, and sometimes plus remediation of nesting material.
- Multiple disconnected joints. In homes where the original installation was rushed, you’ll find separated duct collars at several branch points. Each one is a separate fix. On a five-ton system with 12 branches, that adds up fast.
- Access panel installation. If a section of duct is damaged beyond the reach of a patch, we may need to cut and install an access panel. That’s an added cost, but it’s cheaper than replacing a long run of duct that is otherwise sound.
What keeps the cost down
- Early detection. A small seal job caught before hot attic air gets forced through the tear costs a fraction of a full repair. If you notice uneven room temperatures now, call before it worsens.
- Recent ductwork. If your home’s ducts were installed or replaced in the last ten years, sealing work is usually straightforward and quick.
- Simple attic layout. Two-story homes with clear attic access and straight duct runs are the most economical to work on. The tech spends less time maneuvering and more time sealing.
What Affects Duct Repair & Sealing Pricing in Las Vegas
Pricing here is shaped by the desert, the construction style, and how long the system has been cooking. Here are the six factors that matter most in Las Vegas specifically:
- Attic heat exposure. Las Vegas attics routinely hit 130 to 150 degrees from June through September. That heat degrades duct tape glue, causes flex duct to shrink and pull loose from its collars, and accelerates the failure of hangers. Ducts here fail faster than in any temperate climate, which means sealing jobs are more frequent and often more involved.
- Age of the home’s HVAC install. Homes built during the big Las Vegas construction waves of the 1990s and early 2000s are now hitting the 20 to 30 year mark, which is when flex duct failures become routine. A 2002 Summerlin home will need more work than a 2019 home in Skye Canyon.
- Duct material. Rigid metal ducts with taped seams are easier and cheaper to seal properly than old gray flex duct, which often needs to be cut out and replaced entirely when the inner liner separates.
- Accessibility. A duct run through a conditioned basement is easy. A duct run through a Las Vegas attic with 18 inches of clearance and blown-in insulation is not. The more contorted the access, the higher the labor.
- Extent of the leak. One small pinhole is a $150 fix. A fully separated main trunk is a different conversation. We use a video scope to map exactly what is wrong before we quote, so you are not paying us to find problems after we have started.
- Building codes and permits. The City of Las Vegas and Clark County both require permits for duct replacement projects over a certain scope. Sealing work typically does not require a permit. If your repair crosses into replacement territory, that can add permit fees and inspection time to the total.
How to Save on Duct Repair & Sealing
You do not have to spend a fortune. Here is how Las Vegas homeowners keep the bill reasonable without cutting corners that bite later.
- Bundle the work. If you need duct sealing and your dryer vent has never been cleaned, do both in one visit. We can quote both together, which saves you a second trip charge and a second window of waiting around.
- Act at the first sign of trouble. A small hiss from a supply register, a room that runs five degrees warmer, or a dust layer that reappears two days after cleaning. These are early warnings. A $200 seal job in April beats a $900 repair in August.
- Get a video inspection before you commit. Ask any company to show you the actual condition of your ducts with a scope camera. A company that refuses is guessing, and guessing is expensive. We include the inspection in every quote for free.
- Do not replace what can be sealed. Some contractors default to “replace it all” because it is a bigger ticket. We default to “seal what can be sealed, replace what has failed.” There is a difference, and the written estimate shows the reasoning line by line.
- Keep the attic accessible. If you store boxes against the ductwork, move them before the tech arrives. If the access hatch is blocked by shelving, clear it. Every minute the technician spends moving your stuff is a minute on your invoice.
- Ask about the guarantee before you hire. The cheapest quote in Las Vegas can become the most expensive if the work fails in three months and the company will not call you back. Ours comes with the 365-Day Done Right Promise in writing. If the sealing fails within that year, we come back and make it right at no charge. No phone tag, no fine print.
Call (725) 210-0612 and we will give you a free, written estimate. It is the price you will pay. No sudden adjustments when the tech is standing in your living room.
What You’re Paying For: The Work Behind the Number
A duct sealing job is not a spray-and-go. Here is what actually happens on a typical Las Vegas call, so you understand exactly what the dollars cover.
Step 1: Locate every leak
We run a video scope through the main trunk and each branch line. This gives us eyes on every joint, seam, and connection. We mark what needs sealing, what needs repair, and what is fine. You see the footage. You approve the scope of work before we quote a dollar figure.
Step 2: Seal the leaks properly
We use mastic sealant (a thick, brush-on compound that hardens) and UL-listed metal tape, not cheap duct tape. Duct tape fails in a Las Vegas attic within a year. Mastic bonds to the metal or flex duct and stays there. For larger gaps, we use a combination of metal repair collars and mastic to rebuild the connection point.
Step 3: Repair or replace what cannot be sealed
If a flex duct liner has separated, sealing the outer jacket is pointless. The inner liner is what carries air. A separated liner means the duct has failed, and the fix is replacement. We show you the failed section on camera before we cut anything out.
Step 4: Test for remaining leakage
After the sealing is done, we run a pressure test to confirm the system is holding air. You get the before and after numbers. If the numbers do not show real improvement, we keep at it until they do. That is part of the 365-Day Done Right Promise, and it is in writing.
Why Las Vegas Ducts Fail Faster Than Almost Anywhere Else
This matters if you are trying to understand why your neighbor in Seattle paid $400 for the same job that is costing you $900 here. It is not gouging. It is physics.
Las Vegas has the most extreme attic temperature swings of any major U.S. metro. In summer, daytime attic temps hit 140 degrees and above. At night, they drop to 80. That is a 60-degree daily cycle, repeated for four straight months. Flex duct’s plastic inner liner expands and contracts with every cycle. Over years, this causes the liner to pull away from the metal collar at the connection point. The tape dries out. The mastic cracks. Air starts leaking into your attic instead of into your rooms.
Then there is the dust. Las Vegas sits in a desert basin, and the air here carries fine alkaline dust that gets pulled into duct systems through even tiny gaps. That dust acts like sandpaper on the inner liner and clogs the system faster than anywhere coastal. The combination of heat cycling and dust loading means a duct system that would last 30 years in Ohio will start failing at 15 years in Las Vegas.
We mention this because it affects what you should expect to pay over the life of your home. A $1,200 sealing and repair job on a 20-year-old Las Vegas system is not a bad deal. It is the maintenance reality of owning a home here.
How to Know If You Need Duct Repair or Sealing
Some signs are obvious. Others are sneaky. Here is what we hear most often from Las Vegas homeowners before they call us:
- Rooms that never reach the thermostat setting. The thermostat reads 74, but the back bedroom sits at 80 every afternoon. That is classic leak behavior: the air you are paying to cool is escaping into the attic before it reaches the room.
- A dust problem that will not quit. You dust the furniture, and three days later it is back. Leaky return ducts pull dust from the attic and the spaces inside your walls, then blow it through the living areas continually.
- Utility bills climbing year over year. NV Energy bills in Las Vegas spike every summer, but if your usage is rising while your thermostat habits stay the same, you are cooling the attic. The Department of Energy estimates leaky ducts waste 20 to 30 percent of a cooling system’s output. In a Las Vegas summer, that is real money every month.
- Rooms that smell musty or stale. When return ducts leak, they pull air from the attic, which brings in heat, dust, and sometimes the smell of whatever else is up there.
- Whistling or hissing at registers. That is air escaping under pressure. Sometimes it is a loose register. Usually it is a leak at the boot connection.
- Visible disconnected ducts in the attic. Take a look during daylight hours. If you can see a flex duct hanging loose or a collar that has pulled off, that is a repair, not a cleaning. Call us before you run the system more than necessary.
FAQs – Duct Repair & Sealing Cost
How much does duct sealing cost in Las Vegas?
In Las Vegas, duct sealing for an average home runs between $650 and $1,400. Small leak repairs can start around $150. The final number depends on how many leaks exist, whether the ducts are accessible, and whether any sections of flex duct have failed beyond sealing. Call (725) 210-0612 and we will give you a written, itemized quote for free.
Is it cheaper to repair or replace ducts in Las Vegas?
Repair is cheaper than replacement in almost every case where the duct structure is still sound. Sealing and minor repair costs between $150 and $900 for typical jobs, while full duct replacement runs $2,500 to $6,500. If more than 40 percent of your duct runs have separated liners or collapsed sections, replacement starts to make more sense. We show you the video evidence and let you make the call based on what you see, not what we say.
Can you fix leaky ducts the same day?
Yes, most sealing and repair jobs in Las Vegas can be completed in one visit, typically within 3 to 6 hours depending on the number of leaks and attic access conditions. We carry the materials on the truck. If during the job we discover a section that needs replacement and we have the duct material, we do it same day. Call (725) 210-0612 and we will give you an arrival window we actually stick to.
Why does duct sealing cost more in Las Vegas than other cities?
The heat. Las Vegas attic temperatures routinely exceed 130 degrees for months, which accelerates duct failure and makes the repair work physically harder and slower. Technicians are working in extreme conditions, and desert heat requires heavier-grade mastic and materials than milder climates. Add to that the prevalence of aging flex duct from the 1990s and early 2000s construction boom, and repair work here is simply more involved.
What is the 365-Day Done Right Promise and does it affect price?
The 365-Day Done Right Promise is Kestrel Air Duct Las Vegas’s written guarantee on every repair and sealing job. If the repaired area fails within one year, we return and fix it at no charge. The promise does not add anything to your price. It is included on every job and documented on your invoice. It protects you from the worst-case Vegas scenario: a repair that fails in month six with no recourse. Call (725) 210-0612 to get a written estimate that includes the guarantee.
What to Expect From a Kestrel Air Duct Las Vegas Visit
We hold ourselves to a specific code, and we named it so you can hold us to it. It is called The Kingswell Way, and it governs every visit we make in Las Vegas. Here is what it means for you in practical terms:
The price is written down before work begins. You will have the final number on paper before a single vent cover is removed. No revised pricing at the door. No “we found something extra.” If the scope changes, you approve the change in writing before we proceed.
We show up in the window we gave, or we call. There is no phantom appointment window that lasts from 8 a.m. to 6 p.m. You get a defined arrival window and a phone call if anything shifts. A live person answers our phone around the clock, so if you call to check on the technician’s arrival at 6:45 a.m., you will talk to someone who can tell you.
The job site is left cleaner than we found it. We lay down protection, we contain debris, and we clean up as part of the job. You should not be finding duct tape backing or fiberglass bits in your hallway when we leave.
The work carries a written guarantee. The 365-Day Done Right Promise is printed on the invoice. If the sealing fails, we come back. If the repair does not hold, we come back. No charge. It is the same guarantee Kestrel has operated under since 2004, and it is the reason our customers do not have to gamble on whether the repair will last.
Our technicians are background-checked, uniformed, and trained on professional equipment. We use Rotobrush rotary brush systems to dislodge debris at the duct wall, Nikro negative-pressure units to pull contaminants out of the duct system, and Abatement Technologies HEPA filtration to keep loosened particles from blowing into your living space. For homeowners who want to maintain indoor air quality between visits, we also offer Honeywell, Aprilaire, and Guardsman filtration products.
Led by Dale Whitmore, Kestrel Air Duct Las Vegas is part of the Kingswell family of companies. We have been operating under the Kingswell Guarantee since 2004, and the standard has not changed: written price, defined arrival window, clean job site, written guarantee. It sounds simple because it is. It is also rare in this industry, which is exactly why we do it.
Get Your Free Duct Repair & Sealing Estimate
If you suspect your ducts are leaking, or you know they are, do not wait for another Las Vegas summer to drive your cooling bill through the roof. Call (725) 210-0612 and talk to a live person, any time of day. We will schedule a free inspection, show you the condition of your ducts on video, and put a written price in your hands before work begins.
If you want to read more about our process and what we cover, visit our home page or the Duct Repair & Sealing in Las Vegas service page. Both give you the full picture of how we work and what you should expect from any contractor you trust with your home.
We have been doing this in Las Vegas since 2004. The heat has not changed. The dust has not changed. The guarantees on most competitors’ work have not changed either, and that is exactly why we put ours in writing.
Pricing reflects the Las Vegas market as of 2026. Kestrel Air Duct Las Vegas offers free estimates – call (725) 210-0612.
Written by Dale Whitmore, Owner at Kestrel Air Duct Las Vegas, serving Las Vegas since 2004.
What Our Customers Say
"Our dryer was taking two cycles to dry a load. They cleaned the vent and pulled out a frightening amount of lint. Dries in one cycle now and honestly I feel better about the fire risk."
- Marcus Lee"Straightforward and fair. They didn't try to upsell me on a bunch of add ons like the last company that quoted me. Just did the ducts and the dryer vent and left."
- Devon Pratt"Booked them because our old HVAC guy mentioned the ducts were filthy. Quote on the phone matched the invoice to the dollar. Polite crew, laid down mats, in and out in about two hours."
- Hannah Kim