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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AfterHow Much Does Duct Repair & Sealing Cost in Henderson?
Duct repair and sealing in Henderson typically costs between $275 and $850 for most homes, with the average job landing around $495. Simple returns and supply runs in a single-story home will sit at the low end, while full-system sealing with multiple access points in a two-story house near Anthem or MacDonald Ranch trends toward the upper end. The exact price depends on how many leaks we find, how accessible your ductwork is, and whether we’re sealing from inside the attic or the crawlspace. Call (775) 252-8615 for a written quote before any work begins, so you know the number before we start.
If you’re looking for a full breakdown of what’s included in a repair visit, our Duct Repair & Sealing in Henderson page walks through it step by step. And our home page links to everything else we do, including dryer vent cleaning and full air duct cleaning.
Key Takeaways
- Most Henderson duct repair jobs fall between $275 and $850, with $495 as a realistic midpoint.
- Sealing a single accessible leak costs $125 to $250; sealing an entire system runs $450 to $850.
- Attic access in older Green Valley homes adds time, and time adds cost.
- Every Morton’s Air Duct Henderson visit includes a written price before work starts, so there’s no surprise on the invoice.
- We offer free estimates, and a live person answers the phone 24/7 at (775) 252-8615.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s what we actually quote for duct repair and sealing work in Henderson this year. These numbers come from our own job history across the valley, from Inspirada to Lake Las Vegas. They are the prices we give families before any tool comes off the truck.
| Service | Typical Cost Range | What It Includes |
|---|---|---|
| Single duct leak seal | $125 – $250 | One accessible leak, mastic or UL-rated tape, access point resealed |
| Multiple leaks (2 – 4) | $275 – $450 | Several supply or return leaks, typically one attic or crawlspace visit |
| Full system sealing | $450 – $850 | All accessible duct runs, plenum connections, boot-to-floor seals |
| Return air plenum repair | $200 – $400 | Resealing the return box, addressing air pulls from unconditioned space |
| Duct section replacement | $150 – $350 per section | Damaged or collapsed flex duct, typically 10 to 25 linear feet |
| Insulation wrap replacement | $100 – $200 per section | Ripped or water-damaged insulation around existing duct |
| Whole-house assessment + sealing | $495 – $995 | Full inspection with photo documentation, leak sealing, final airflow check |
A few words on what pushes a Henderson job toward the high end of those ranges. First, access. In older Green Valley homes built in the 1980s and 1990s, attic spaces are often cramped, with HVAC equipment tucked into corners that require careful maneuvering. That extra time shows up in labor. Second, the number of supply runs. A four-bedroom home out in Cadence can have 12 to 16 separate duct runs, while a two-bedroom condo near Water Street has half that. More runs means more joints, and joints are where leaks live. Third, return air problems. When a return plenum has been pulling air from the attic, we’re not sealing one leak. We’re reconnecting a whole section of the system.
On the what-affects-price side, none of this is a mystery. We prefer it that way. You call, we come out, we find the leaks, we show you what we found, we hand you a written price, and only then do we start. That sequence does not change.
What Affects Duct Repair & Sealing Pricing in Henderson
- How many leaks we find. Most Henderson homes have between one and five meaningful leaks. Each one adds labor and material. One clear leak on a single return boot is a $125 job. Five leaks spread across supply and return lines is a half-day job in an attic that reaches 120 degrees in August, and the price reflects that.
- Access to the ductwork. Homes in Seven Hills with flat, walkable attics are faster to work in than older Sun City properties where the attic is a crawl-and-slide situation. Crawlspace access adds time too. We will always take the careful route, and the price reflects the real effort.
- Age of the ductwork. If the existing flex duct is brittle or the original tape has long since given up, sealing one leak often means finding three more. Older systems sometimes need section replacement rather than a simple seal, which moves the cost up.
- Type of repair needed. Resealing a separated joint is quick and inexpensive. Replacing a crushed supply run that got stepped on in the attic is more involved. We will show you the difference before we quote anything.
- Return air problems. When the return plenum is leaking, you’re pulling dusty attic or crawlspace air into the house. This is one of the most common issues we see in Henderson, and it costs more than a basic supply leak because the fix often involves resealing the entire return box at the unit.
- Time of year. Summer is our busiest season. During June, July, and August, the phone rings more and the schedule tightens. We never charge a seasonal surcharge, but if you want maximum scheduling flexibility, spring and fall are easier. The price itself stays the same year-round.
One local note worth knowing: Henderson’s dry heat, especially during long summer stretches, dries out old mastic and causes the original tape on duct joints to peel and lose adhesion. We regularly see homes built in the early 2000s that have never had their ducts touched. Those joints were taped once, twenty years ago, with products that were never meant to hold forever in this climate. Every one of those joints is a potential leak, and in our experience, a home that’s never had a sealing visit usually has three to four active leaks.
Why Duct Leaks Matter More in Henderson Than Other Places
Henderson is a desert city, and the numbers are what they are. Our cooling season runs long, and your air conditioner works hard from May through September. According to U.S. Department of Energy data, typical homes lose 20 to 30 percent of conditioned air through duct leaks, gaps, and poorly sealed connections. In Henderson, that means you’re paying to cool attic space, not your living room. A sealed system means more of the air you paid for reaches the rooms where your kids are doing homework and the dog is napping on the tile.
This is not about scaring anyone. It’s about being honest with what we measure. When we seal a system in Anthem, the airflow at the farthest register from the unit almost always improves. Sometimes dramatically. If your second-floor bedrooms in MacDonald Highlands never quite cool down in July, duct leaks are often a bigger factor than the age of your AC unit. Sealing the ducts is cheaper than replacing the condenser, and it’s a repair that often shows results the same day.
How to Save on Duct Repair & Sealing
You don’t have to spend a fortune to get your ducts in good shape. Here’s what actually saves money, in our experience in Henderson.
- Handle leaks early. A small separation at a supply boot is a $125 fix. If that same leak is ignored for a few summers, the heat, dust, and thermal cycling can degrade the duct material around it, turning a simple reseal into a section replacement.
- Get a full inspection first. We show you every leak we find, with photos, before you agree to anything. That means you know exactly what you’re paying for and why. No blind work, no vague line items.
- Combine sealing with a duct cleaning. If your ducts need both, doing them together saves a second mobilization fee and a second visit. We’re already in the attic with the equipment. Sealing and cleaning are different services, but the access work overlaps, and that’s real savings.
- Ask about the written price. Every Morton’s Air Duct Henderson visit includes a written estimate before work begins. There is no charge for the estimate. You can compare it line by line before you say yes.
- Call for a free quote. The easiest way to save is to know the number before you commit. Call (775) 252-8615 and we’ll schedule an assessment. The quote is free, and the price we write down is the price you’ll pay.
What’s Included in a Morton’s Air Duct Henderson Sealing Visit
We approach every Henderson duct repair job the same way, whether it’s a small leak in a condo off Boulder Highway or a full-system sealing in a five-bedroom home in Inspirada.
Step one: We walk the house with you. We look at the registers, we ask which rooms feel stuffy or hot, and we listen. Often the homeowner knows something’s wrong before we even go up into the attic. Your observations matter.
Step two: We go into the attic or crawlspace and find the leaks. We’re looking for separated joints, torn flex duct, poorly seated boots, and return plenums that have opened up. We take photos of everything we find.
Step three: We show you what we found and give you a written price. This is the part that matters most to the families who hire us. You see the photo of the leak, we explain what it’s doing to your air, and we write down the exact cost to fix it. You decide. No pressure.
Step four: We make the repair. We use professional-grade mastic and UL-rated sealing products, not thin tape that peels apart in an Henderson summer. Our crews work carefully, with shoe covers and drop cloths protecting the floors from the moment they walk in. If the kids are asleep, we work quietly. If there are pets, we choose pet-safe products where available and we work around their comfort.
Step five: We clean up, document it, and show you. Before we leave, we take a photo of the clean-up, so you can see the space we worked in is left better than we found it. Every job is backed by the 365-Day Done Right Promise: if it isn’t right, we make it right. Full stop.
Our technicians are background-checked, uniformed, and trained on equipment from Rotobrush, Nikro, Honeywell, Aprilaire, Abatement Technologies, and Guardsman. We use this gear because it stands up to the heat and dust of Henderson attics and gives us clean, dependable results. We don’t rent entry-level equipment for the day.
Every job carries the Cedarwell Care Promise, and we’re part of the Cedarwell family of independently owned companies. That means the same standards, the same care, and the same written-price discipline on every single visit, whether it’s a simple return boot or a full-system sealing.
Who is Paul Adeyemi?
Paul Adeyemi leads Morton’s Air Duct Henderson. He built this standard from the beginning: written prices before work starts, clean shoes and drop cloths on every visit, and a photo of the clean-up before the crew leaves. That has been the way since 2005, and it hasn’t changed. When you call and a person answers, that’s the standard Paul set. Every phone call answered by a live person, 24/7, because families don’t plan attic leaks for business hours.
Is Duct Sealing Worth the Cost?
Let’s talk plainly. If your ducts are leaking 20 to 30 percent of your conditioned air, you’re losing $30 to $90 a month during peak cooling season, depending on your utility rates and system size. Henderson summers run five solid months of heavy AC use. A full sealing job at $495 can pay for itself in higher comfort, and the efficiency gains show up on your cooling bill month after month. Then there’s the comfort side: bedrooms that actually reach the temperature on the thermostat, fewer temperature swings between floors, less dust blowing in from the attic. That’s what the money buys.
FAQs – Duct Repair & Sealing Cost
How much does it cost to seal ductwork in Henderson?
Sealing ductwork in Henderson ranges from $125 to $250 for a single leak and $450 to $850 for a full-system sealing across all accessible duct runs. The average job lands around $495 for most homes, depending on the number of leaks and attic access. Call (775) 252-8615 for a written quote based on your specific system, and remember that estimates are free.
Is it cheaper to repair or replace ductwork?
Repair and sealing is nearly always cheaper than full replacement. Sealing a system costs between $450 and $850, while replacing all ductwork in a Henderson home typically runs $1,800 to $4,500 or more depending on the home’s size and attic layout. Replacement only makes sense when the duct material itself is failing, and we’ll tell you honestly if that’s the case.
How long does duct sealing take?
Most single-leak repairs take 60 to 90 minutes. A full-system sealing on a typical Henderson home takes a half day, or about 3 to 5 hours, depending on how many runs need attention and how accessible the attic is. We’ll give you a time window before we leave, and we keep it.
Can you come today for duct repair in Henderson?
In many cases, yes. We hold same-week availability for most repair calls, and during the spring and fall we can often offer same-day or next-day visits in Henderson. Our phone line is answered by a live person 24/7, so you can call (775) 252-8615 right now and talk to someone who can check the schedule and get you booked.
Does Morton’s Air Duct Henderson charge for estimates?
No. Estimates are free, and every estimate includes a written price before any work begins. You’ll never get a surprise on the invoice. The number we quote is the number we charge, and the 365-Day Done Right Promise backs every job we complete. Call (775) 252-8615 to schedule a free assessment.
Duct Sealing Near You in Henderson
We serve the entire Henderson valley, from the historic neighborhoods near Water Street to the newer communities stretching toward Boulder City. If you’re in Green Valley, Anthem, Seven Hills, MacDonald Ranch, Inspirada, Cadence, Lake Las Vegas, Sun City, or Whitney Ranch, we’re your local option for duct repair and sealing with written pricing and no surprises. We know these attics, we know how the homes in each neighborhood were built, and we know what the Henderson summer does to duct connections over time.
If your rooms aren’t cooling evenly, your energy bill feels too high, or you can feel weak airflow at one or two registers, call us. We’ll come out, find the problem, show you what we found, and give you a written price before we touch anything. No pressure, no alarmism, just a clear picture of the solution.
Contact Morton’s Air Duct Henderson
Ready to get your ducts sealed or just want a clear answer on cost? Call us at (775) 252-8615 for a free estimate. A live person answers 24/7. We’ll schedule a visit, find the leaks, and hand you a written price before any work begins. With the 365-Day Done Right Promise and the Cedarwell Care Promise, you get the standard of care your family should expect, from a team that respects your home, your kids, and your pets.
Pricing reflects the Henderson market as of 2026. Mortons Air Duct Henderson offers free estimates – call (775) 252-8615.
Written by Paul Adeyemi, Owner at Mortons Air Duct Henderson, serving Henderson since 2005.
What Our Customers Say
"Friendly, calm crew that clearly cared about the house. Covered their shoes, protected the floors, and double checked they'd closed up every vent cover properly. Would have them back."
- Omar Zaid"They cleaned our ducts and the dryer vent. What I appreciated was how careful they were moving furniture back exactly where it was. Took before and after photos of each vent too."
- Hiroshi Tan"My son's asthma has been better since they did the ducts. The crew was gentle and quiet, asked before moving anything, and used a product they said was safe around kids and pets."
- Grant Mcallister