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
See the difference
Before
After
Before
After
Before
AfterHow Much Does Duct Repair & Sealing Cost in Vacaville?
Duct repair and sealing in Vacaville typically runs $285 to $850 for most residential jobs, with a single disconnected joint or small seal job near the low end and a full attic trunk-and-branch reseal near the high end. Larger repair projects that involve replacing crushed flex runs or sealing multiple leaks across a two-story system can reach $1,200 to $2,400. The written estimate you get before any work starts is what sets your final price, so the ranges here are a planning tool, not a quote.
Most homeowners call us because a room never heats or cools right, or because a previous inspection flagged leaks and nobody offered to fix them. We do both: cleaning and repair come from the same company, so nothing gets flagged and left behind. We answer 24/7, and fast dispatch runs from 7am to 7pm, Sunday through Friday.
Key Takeaways
- Typical duct repair and sealing in Vacaville: $285 to $850 for common jobs; $1,200 to $2,400 for larger multi-run repairs.
- Leaky ducts waste conditioned air before it reaches your rooms, which shows up on your energy bill long before it shows up in a duct inspection.
- Sealing cost depends on how accessible the ductwork is, how many leaks are found, and whether the system is flex, sheet metal, or rigid board.
- Cleaning and repair together cost less than paying for two separate visits, and we carry the equipment for both.
- We use professional-grade equipment, not a shop vac and a hose: Rotobrush rotary brush systems, Nikro HVAC cleaning units, and Abatement Technologies air filtration.
- Estimates are free. Call (888) 293-3839.
Duct Repair & Sealing Cost Breakdown (2026)
Below are typical 2026 price ranges for duct repair and sealing work in Vacaville, broken out by the kind of job homeowners actually call about. These are estimates for planning; the written estimate sets the final number.
| Job Type | Typical Price Range | What It Covers |
|---|---|---|
| Single leak or disconnected joint seal | $285 – $450 | Locating and sealing one gap, tear, or loose connection in an accessible run |
| Mastic or foil-tape sealing, partial system | $400 – $700 | Sealing joints and seams across several accessible runs in a section of the system |
| Full accessible system seal (attic and crawlspace) | $600 – $1,200 | Sealing all reachable joints, registers, and plenum connections |
| Replacing a crushed or torn flex duct run | $250 – $600 per run | New flex run, properly supported and sealed at both ends |
| Repairing sheet metal ductwork | $350 – $900 | Patched or re-secured seams, straightened sections, resealed joints |
| Adding a new supply run or register | $500 – $1,100 | New branch run off the trunk, with boot and register |
| Duct cleaning bundled with repair | $500 – $1,100 combined | Full cleaning plus the sealing or repair work found during the visit |
What pushes a job toward the top of these ranges is usually accessibility, not the size of the leak. A single seal behind an accessible attic register is quick. The same leak behind a finished ceiling or under a low-clearance crawlspace takes longer to reach safely, and that labor is what moves the number. The duct material matters too. Flex duct that has been crushed under a joist or torn at a collar is often cheaper to replace than to patch. Older sheet metal with separating seams takes more sealing material and more time to do right. If your system has never been sealed, the volume of leaks found during an inspection is often the biggest cost driver, since a home with one failed joint and a home with eleven failed joints are not the same job.
What Affects Duct Repair & Sealing Pricing in Vacaville
Vacaville sits in a valley where summer heat pushes the AC hard and the winter is mild enough that heating runs light. That seasonal split matters. Most of the duct complaints we see here trace back to cooling season, when a system forced to work in high heat shows its leaks as rooms that never cool evenly. Here are the factors that move the price:
- Access. Attic and crawlspace access varies a lot from neighborhood to neighborhood. Homes in older parts of Vacaville with tight attics or low crawlspaces take longer to work in, and that labor shows up in the estimate.
- Duct material. Flex duct is fast to replace. Sheet metal and rigid duct board take more cutting, sealing, and time, so repairs on those systems run higher.
- Number of leaks found. One failed joint is different from a system that has never been sealed. The inspection is what tells you which one you have.
- Whether cleaning is needed first. You cannot properly seal a joint that is packed with dust and debris. Bundling cleaning with repair is usually cheaper than two separate visits, and it’s the right order of work.
- System size and layout. A single-story ranch with a compact trunk line is a simpler job than a two-story with long attic runs and multiple branch takeoffs.
- Whether the repair is paired with an air quality upgrade. If you’re integrating a Honeywell or Aprilaire whole-home air quality system, the sealing has to be done correctly first so the new equipment works the way it should. That coordination is part of the job.
What a Duct Repair & Sealing Visit Actually Involves
Knowing what the visit looks like helps you read an estimate and spot a quote that doesn’t match the work. A typical visit starts with a walkthrough: we look at how the system is laid out, where the accessible ductwork runs, and where you’ve noticed uneven cooling or poor airflow. Then we inspect the runs themselves, which means getting into the attic or crawlspace rather than guessing from the registers.
Cleaning comes first when it’s needed. We run the Rotobrush rotary brush system through the runs to knock loose the built-up dust and debris, with Nikro HVAC units providing the extraction. Where conditions call for it, Abatement Technologies air filtration equipment provides containment-level filtration during the work, which is the same class of equipment used in commercial and remediation work rather than a residential-only setup. Once the system is clean, the leaks are visible and the sealing can actually hold.
Sealing and repair come next: mastic and foil-compatible tape on accessible joints, new runs where flex duct is crushed or torn, and re-secured seams where sheet metal has separated. We don’t patch a leak and leave three more open beside it. After the work, we check airflow at the registers and confirm the system is moving air the way it should. If you’re curious about the cleaning side of this work, the duct cleaning Vacaville page walks through what that visit covers.
Why Sealing Leaky Ducts Pays You Back in Vacaville
Leaky ducts don’t just lower comfort; they cost you money every month the system runs. Conditioned air that escapes through a gap in the attic or crawlspace never reaches the room you’re paying to cool, so the system runs longer to do the same job. Sealing that gap is one of the few home efficiency fixes that touches both your comfort and your utility bill at the same time.
There’s a second reason worth taking seriously. In a valley climate where the AC carries most of the load, dust and debris pulled through leaking joints in an attic or crawlspace end up in the air your family breathes. That’s the case for pairing sealing with professional cleaning, and it’s why we treat dust as a system problem, not just a filter problem. Air you can’t see deserves equipment you can trust.
How to Save on Duct Repair & Sealing
There’s no coupon trick to this work; the savings come from how you approach the job. A few practical moves:
- Bundle cleaning and repair. One visit that cleans and seals costs less than two separate appointments, and the sealing holds better when the ducts are clean first.
- Get the whole system inspected, not just the problem room. Sealing one leak while three others stay open is money spent twice. A full inspection tells you where the real problems are.
- Ask for the repair to be quoted line by line. That way you can see what’s urgent and what can wait, and decide what to fix now versus later.
- Deal with the obvious physical damage first. A crushed flex run or a disconnected collar is a clear repair; sealing is what you add on top of it.
- Get a written estimate before work begins. Estimates are free, and a written number is the only one that matters.
To get a free estimate on your duct repair and sealing, call (888) 293-3839. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday.
Duct Cleaning, Dryer Vent Cleaning, and Repair – One Company
Most of the frustration we hear about comes from a homeowner getting a duct inspection that flags problems and then being told to “call someone else to fix it.” That gap is why we offer all three services under one roof: air duct cleaning, dryer vent cleaning, and air duct repair. One call closes the loop on your ductwork, and one estimate covers the whole scope.
Dryer vent cleaning belongs in that list for a reason. Lint buildup in a dryer vent is a documented fire risk, not an afterthought, and it’s a service we take seriously. If you’ve got both a duct issue and a dryer vent that hasn’t been cleared, we can handle them in the same visit and save you a second appointment. If you’re looking at other services around the region, our Vacaville page is the place to start.
When to Repair and When to Replace Ductwork
Repair is almost always the right first move when the ductwork is intact but leaky or has a few failed joints. Sealing and patching costs a fraction of a full system replacement and solves most airflow complaints. Replacement makes sense when the ductwork itself is failing on a large scale: collapsed flex runs throughout the system, sheet metal that has rusted through or separated at multiple trunks, or duct board that has absorbed moisture and lost its integrity. The inspection is what separates the two cases. If most of the accessible runs are sound and the leaks are localized, seal and repair. If the system is failing in many places at once, a full replacement estimate is worth having alongside the repair estimate so you can compare.
FAQs – Duct Repair & Sealing Cost
How much does duct sealing cost in Vacaville?
Duct sealing in Vacaville typically costs $400 to $1,200, depending on how many leaks are found and how accessible the ductwork is. A single disconnected joint or small seal job near the low end runs $285 to $450; a full accessible system seal runs $600 to $1,200. Call (888) 293-3839 for a free estimate.
Is it cheaper to repair or replace leaky ducts?
Repair is almost always cheaper: a typical repair runs $285 to $900, while replacing large sections of a duct system can reach $1,200 to $2,400 or more. Replacement only makes sense when a large portion of the ductwork is failing, not when a few joints have come loose. An inspection is what tells you which case you’re in, and estimates are free.
How much does duct repair cost if the ducts are crushed or torn?
Replacing a crushed or torn flex duct run typically costs $250 to $600 per run, including proper support and sealing at both ends. Sheet metal repair runs $350 to $900 depending on the extent of the damage. Call (888) 293-3839 for an exact quote.
Can you fix the leaks a previous inspection flagged?
Yes. We offer repair alongside cleaning, which means we can seal and fix what another company only flagged. Many of our calls start with a report from a different inspection that pointed out leaks but didn’t offer to fix them. Estimates are free, so there’s no cost to finding out what needs to be done.
Does duct repair cost more if it’s an urgent call?
No. The price is set per job by the written estimate, not by when the work happens. We answer 24/7, and fast dispatch runs from 7am to 7pm, Sunday through Friday, so it’s always worth calling to get the work scheduled. Call (888) 293-3839.
Do I need duct cleaning before sealing?
Most of the time, yes. Sealing over a joint that’s packed with dust and debris doesn’t hold, and the cleaning visit is what makes the leaks visible so the repair is done right. Bundling cleaning with repair typically costs $500 to $1,100 combined, which is less than two separate visits. Call (888) 293-3839 to plan both in one appointment.
Get a Free Estimate on Your Duct Repair and Sealing
Duct work is one of those jobs where the right equipment and the right order of work make all the difference. We clean with Rotobrush and Nikro equipment, contain the work with Abatement Technologies filtration, and repair the ductwork ourselves so nothing gets flagged and left behind. Our technicians have up to 13 years of experience, and we’re set up to work with Honeywell and Aprilaire air quality systems when the job calls for it. Estimates are free, and the written estimate sets your final price.
Call (888) 293-3839 for your free estimate. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday.
Pricing reflects the Vacaville market as of 2026. Duct Cleaning Vacaville offers free estimates – call (888) 293-3839.
Written by the team at Duct Cleaning Vacaville.
What Our Customers Say
"Ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit down the road uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."
- Ramon Herrera"Fair price and thorough work. They ran about an hour and a half past the estimated finish time, so don't schedule anything tight after."
- Stephanie Doyle"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Rafael Mendoza