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.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
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After
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AfterHow Much Does Duct Repair & Sealing Cost in Denton?
Duct repair and sealing in Denton typically runs $280 to $650 for a single accessible repair with sealant work, while a whole-house sealing of a leaking distribution system generally lands between $650 and $1,400. Small patch repairs on one run of flex duct are on the low end at $150 to $300, and full duct replacement on a larger, older home pushes well past that. These are estimated 2026 ranges for the Denton market; your written estimate sets the final price after we look at the actual layout.
Most homeowners here call us after a utility bill spikes or a room never quite heats or cools like the rest of the house. Those are classic leak symptoms, and the cost to fix them depends mostly on how much duct is reachable and how deep the damage runs. We put real numbers on this page because “it depends” doesn’t help you budget.
Key Takeaways
- Single repairs with sealing: roughly $280 to $650.
- Whole-house duct sealing: roughly $650 to $1,400.
- Partial duct replacement: roughly $400 to $1,200, depending on how many runs.
- Attic runs in Denton’s summer heat fail faster than runs in conditioned space, which affects cost.
- Estimates are free. Call (888) 890-4255 to book one.
Duct Repair & Sealing Cost Breakdown (2026)
Every duct system is different, but the line items below are the common ones we price for Denton homes. Treat these as typical estimates for planning, not a quote. Our technicians have up to 11 years of experience reading duct layouts and will tell you honestly which of these applies to your house before any work starts.
| Service | Typical Estimated Range | What It Covers |
|---|---|---|
| Minor patch or single-run repair | $150 – $300 | One disconnected or torn flex run, re-taped and re-hung |
| Repair plus sealing (single zone) | $280 – $650 | Sealing at joints, boots, and registers in one area |
| Whole-house duct sealing | $650 – $1,400 | Mastic and tape sealing across the full distribution system |
| Partial duct replacement | $400 – $1,200 | Replacing crushed or disconnected rigid/flex runs |
| Full duct system replacement | $1,800 – $4,500+ | Larger, older homes with failing duct throughout |
| Duct cleaning (add-on, often paired) | $250 – $500 | Rotobrush rotary brush agitation with Nikro HEPA extraction |
What pushes a job to the high end of these ranges is access and condition. A leak under a slab or behind a finished wall costs more to reach than a disconnected run lying in the attic. Dental-Denton homes built through the 1980s and 1990s often have flex duct that has sagged, kinked, or come loose at the boot where it meets the ceiling register, and those boots are the most common leak point we find. Duct that is both dirty and damaged usually gets cleaned and repaired in one visit, so pairing the two can be more efficient than booking them separately.
What keeps a job on the low end: a single obvious break, ducts that run through conditioned space rather than a hot attic, and a system where most joints are still intact. We confirm all of this with a look before we name a price, and the estimate is free.
What Affects Duct Repair & Sealing Pricing in Denton
Denton has a few local realities that shape duct work in ways a generic guide won’t tell you. Here’s what actually drives the number on your estimate.
- Where the ducts run. A large share of Denton homes have their distribution system in the attic. That space bakes through North Texas summers and swings through cool winters, and the expansion and contraction stresses every taped joint over time. Attic duct also has to be reached, and attic access in a low-pitch roof adds labor.
- Age of the duct material. Older flex duct in Denton’s pre-1990s housing stock has often outlived its seal at the collars and boots. Once the tape stiffens and peels, sealing is usually the fix rather than replacement, but the labor to reach every joint matters.
- Number of leaks found. Pricing tracks scope. A single boot that pulled away is a small job. A dozen loose joints spread across the attic is a bigger sealing project, and the estimate reflects each area addressed.
- Duct type. Rigid metal duct, flex duct, and ductboard each seal differently. Flex is the most common in this market and the most prone to kinking; ductboard in older homes can crumble at the edges where it’s been cut.
- Whether cleaning is needed too. Leaking ducts pull attic dust and insulation fibers into the airstream. If the system is dirty as well as leaking, cleaning paired with repair is the fuller fix, and it addresses the source rather than the symptom.
- Access and obstacles. A clean, open attic run is quick to reach. A tight crawl or a system buried under insulation takes more time, and time is what the written estimate accounts for.
If you’re comparing providers, ask what they’ll actually do at each joint. Some offer cleaning only and stop there. We repair what others just clean around, which matters when the real problem is a leak, not dust.
Why Leaking Ducts Cost You Beyond the Repair
The repair bill is one number. The energy you’ve been losing is the other. A duct system with loose joints and disconnected runs leaks conditioned air into the attic or crawl instead of into your rooms. In Denton, that means the AC works harder through a hot summer to make up for air that never reaches the living space, and your bill reflects it.
It also pulls contaminants into the airstream. Every gap in a duct run is a path for attic dust, insulation particles, and whatever else drifts up there. For allergy sufferers, families with young children, and pet owners, that’s the part that matters most: the same repair that cuts waste also reduces what gets circulated. We use Abatement Technologies negative-air practices during the work so dislodged material is contained rather than pulled back into the house.
If you’ve invested in a whole-home filtration system, a leaking duct undermines it. We’re familiar with Honeywell and Aprilaire air quality products, and the repair work we do is built to integrate with what you already have installed.
Can You Fix Leaking Ducts the Same Day?
Often yes, for accessible single-run repairs and localized sealing. The leak has to be reachable and the fix straightforward. Larger sealing projects or partial replacement usually get scheduled as their own visit once the estimate is approved. Call (888) 890-4255. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday, and closed Saturday.
How to Save on Duct Repair & Sealing
You can’t cut the labor a real fix requires, but you can avoid paying for work you don’t need and catch problems before they grow.
- Get a written estimate before any work starts. The estimate is free, and it should list what’s leaking, where, and what sealing or repair each spot needs. A price without that detail is a guess.
- Fix leaks early. A loose boot sealed now is a small line item. Ignored, it can worsen and pull a run out of alignment, turning a patch into a replacement.
- Pair cleaning with repair when both are due. If your ducts are dirty and leaking, doing both in one visit is more efficient than two separate appointments.
- Ask about the seal method. Mastic and proper tape at the joints hold up better than a quick wrap, and it’s worth asking which the provider uses.
- Address the dryer vent while you’re at it. It’s a separate safety issue, but if your dryer vent is clogged, clearing it is a fire-safety fix, not a cosmetic one, and worth folding into the same visit. Call (888) 890-4255 to talk through what your system needs.
What Happens When You Call
We start with a look at the system. That means finding where it leaks, how far the damage runs, and whether cleaning is needed alongside the repair. Then we hand you a written estimate with the per-item price. No surprise fees, no service-call charge, no pressure to approve work you don’t need.
Our technicians have up to 11 years of experience with duct layouts in this kind of housing, and the equipment is professional-grade: the Rotobrush rotary brush system for mechanical agitation and simultaneous extraction, Nikro HEPA-filtration vacuum for contained debris removal, and Abatement Technologies negative-air practices to protect your indoor air during the work. That’s equipment built for restoration and remediation work, not a portable consumer kit.
Frequently Asked Questions – Duct Repair & Sealing Cost in Denton
How much does duct repair cost in Denton?
Duct repair in Denton typically runs $280 to $650 for a single accessible repair with sealing, and $150 to $300 for a minor patch on one run. Whole-house sealing lands around $650 to $1,400. The written estimate is the final word. Call (888) 890-4255 for a free estimate.
Is it cheaper to repair or replace my ducts?
For most single-run leaks, repair is cheaper. Whole-house replacement only makes sense when the duct material itself has failed broadly, and that’s the larger $1,800 to $4,500+ range. In most Denton homes with a few leaks, targeted repair and sealing cost far less than replacement. Call (888) 890-4255 and we’ll tell you which you actually need.
How much does duct sealing cost in Denton?
Sealing a full distribution system in Denton typically runs $650 to $1,400, while sealing a single zone is around $280 to $650. The number depends on how many joints and boots need attention and how reachable they are. Call (888) 890-4255 for an exact quote; estimates are free.
Can you come today?
Same-day service is often possible for accessible single-run repairs. Larger sealing and replacement work gets scheduled after the estimate is approved. Call (888) 890-4255. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
How do I know if my ducts actually need repair?
Common signs are rooms that never reach the set temperature, a spike in your energy bill, visible loose or torn duct in the attic, and dust that returns quickly after cleaning. A free estimate confirms which of these point to a leak versus a cleaning issue. Call (888) 890-4255 and we’ll take a look.
Getting Started
If your ducts are leaking, dirty, or both, the fix starts with an honest look and a clear number. Duct Cleaning Denton handles air duct cleaning, dryer vent cleaning, and air duct repair across the area, with professional-grade equipment and a written estimate before any work begins. See our Denton service area for the neighborhoods we work in, and our duct cleaning Denton page for the cleaning side of the work. Whether you need a quick seal or a fuller repair, the first step is a free estimate. Call (888) 890-4255. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday, and we’re closed Saturday. We’ll look at the system, tell you what it needs, and put the price in writing.
Pricing reflects the Denton market as of 2026. Duct Cleaning Denton offers free estimates – call (888) 890-4255.
Written by the team at Duct Cleaning Denton.
What Our Customers Say
"Job was done well and the house smells better. There was some dust knocked loose around a couple of the registers that I had to wipe down afterward."
- Ruben Rodriguez"Told me straight that our ducts were in decent shape and didn't need doing every year like the mailer companies claim."
- Robert Ackerman"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Norma Salazar