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 Tracy?
Duct repair and sealing in Tracy typically costs $350 to $1,200 for most residential jobs, with simple seal-and-tape fixes at the low end and larger runs of disconnected or crushed flex duct at the high end. A single accessible leak often lands between $200 and $450, while whole-system sealing with mastic and mesh can run $700 to $1,500 depending on how much ductwork is reachable. The written estimate you get after we look inside the system sets the final price.
Those ranges mean very little until someone actually inspects your ductwork, though. A sealed joint behind an air handler is a quick fix. A collapsed trunk line buried above a ceiling in a two-story home is a different afternoon entirely. We identify what’s compromised before quoting, and we show you the run and the leak point rather than handing you a number from the driveway.
We’re Duct Cleaning Tracy, and duct repair is a standalone service for us, not something we flag on a cleaning invoice and walk away from. We treat it as part of one system: duct cleaning, dryer vent cleaning, and structural repair under one roof, with technicians who have up to experience and the same commercial-grade equipment used in restoration work.
Key Takeaways
- Most Tracy duct repair and sealing jobs fall between $350 and $1,200.
- Small, accessible leaks: typically $200 to $450.
- Whole-system sealing of an average home: typically $700 to $1,500.
- Repairing or replacing a crushed section of flex duct: typically $400 to $900.
- Estimates are free, and the written estimate sets the final price – no guessing from a phone call.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s how the work breaks down line by line for the Tracy market. These are typical ranges for a residential system, not a promise on your specific house. Every job gets its own written estimate.
| Work item | Typical range in Tracy | What it covers |
|---|---|---|
| Inspection and leak identification | Free estimate | Visual walkthrough, joint check at registers and plenums, report of what we find |
| Sealing a small number of accessible joints | $200 – $450 | Mastic and mesh at reachable joints, boots, and plenum connections |
| Whole-system sealing (average single-story home) | $700 – $1,200 | Sealing at registers, boots, plenums, and accessible trunk joints |
| Whole-system sealing (larger or two-story home) | $1,000 – $1,500 | More registers, longer runs, more accessible joint work |
| Replacing a damaged section of flex duct | $400 – $900 | Remove crushed or torn section, install new insulated flex, seal the seams |
| Reconnecting a disconnected duct run | $350 – $700 | Reattach at the trunk or boot, seal and secure the connection |
| Repairing a failed plenum or trunk connection | $450 – $1,000 | Rebuild and seal the connection at the air handler or main trunk |
| Duct cleaning plus repair in one visit | $600 – $1,400 | Full mechanical cleaning, then sealing the leaks found while the system is open |
Two things push the price up more than anything else: how many leaks there are, and how hard they are to reach. A crawlspace run you can walk to is different from a choked attic corner where the flex has come loose behind a knee wall. The equipment matters too. We use the Rotobrush contact-brush system for mechanical cleaning and Nikro negative-pressure equipment to capture dislodged debris before it drifts back into your living space, which means a repair visit can include cleaning the run before we seal it. Doing that in one trip is usually cheaper than booking a clean visit and a repair visit separately.
Age of the home matters quietly. Tracy has a lot of housing stock built across several decades, and older original ductwork tends to be metal with taped joints that have dried and let go, while newer builds lean on flex duct that gets pinched or torn in installation. Both fail, just in different ways, and the fix and cost differ with them.
What Affects Duct Repair & Sealing Pricing in Tracy
No two duct systems price the same. These are the factors that move the number the most, and a few of them are specific to how homes are built here.
- Access. Ductwork reachable from a garage, closet, or open attic prices lower than duct buried above a finished ceiling or threaded through tight framing. Access is the single biggest driver of labor time.
- Number of leaks or failures. One loose joint is a short visit. A half-dozen failed connections across a whole system takes more materials and more time, and the price climbs with each one.
- Duct type. Metal duct with taped joints is sealed differently than insulated flex, and flex that’s crushed or torn has to be replaced, not sealed. Rigid metal trunk work is more time-consuming than a flex connection.
- Home age and layout. Older Tracy homes with original ductwork tend to have more dried tape and separating joints. Two-story homes have longer runs and more registers, which adds work.
- Whether cleaning is bundled with repair. Cleaning a run before sealing it is usually the right order, so the seal holds to clean metal or flex. Bundling both into one visit often lands below the cost of two separate appointments.
- Air quality concerns. If there’s visible debris, mold, or heavy allergen load inside the ducts, the job may need filtration-grade capture equipment and possibly an IAQ upgrade. We keep Honeywell and Aprilaire air-quality products on hand and can address filtration at the time of service rather than sending you elsewhere.
One more factor worth naming: the mild winters here mean your system still runs on both heating and cooling across the year, and duct seams that have been slowly drying out show up sooner in a place where the ductwork is working hard. That doesn’t change the price of a repair, but it does mean a leak found early is usually a smaller bill than one that’s been blowing into a wall cavity for a season.
How to Save on Duct Repair & Sealing
The valid way to save on duct work isn’t a coupon, it’s reducing the scope by finding the problems early and doing the right fix the first time.
- Get the estimate before any work begins. Ask what’s wrong, where it is, and what the fix involves. Once you know exactly what’s compromised, you can compare line items like for like and avoid paying for work you don’t need. Our estimates are free.
- Bundle cleaning and repair. Cleaning a run before sealing it usually removes the need for a second appointment, which is where a chunk of the cost lives. Ask for both in one visit.
- Fix the small stuff before it spreads. A loose joint sealed today is a fraction of the cost of replacing a full duct section later. If you notice whistling at a register, a room that never seems to get air, or dust that settles faster than it used to, get it looked at.
- Ask about duct sealing at the same time you address air quality. If you’re already having the system opened up for filtration or an IAQ upgrade, the added sealing work is often cheaper than a return trip.
- Keep the register boots and filters in shape between visits. A clogged filter stresses the whole system, and a loose register boot is the most common leak point we find. Both are cheap to keep an eye on.
If you want a number rather than a range, call (866) 429-7345 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Can duct leaks actually cost you more than the repair?
Yes. Leaking ducts push heated and cooled air into attics, crawlspaces, and wall cavities where it does nothing for the rooms you’re trying to condition, and your system runs harder and longer to make up the difference. That shows up on the energy bill long before it shows up as a breakdown. A $350 seal-and-tape job that closes a few obvious leaks often pays for itself over time because the system stops fighting itself.
Is it cheaper to repair or replace the ductwork?
For most Tracy homes, repair and sealing is the cheaper answer, and it’s the right one unless the duct system is beyond salvage. Sealing accessible leaks typically costs $350 to $1,200, while a full duct replacement runs dramatically higher because it’s a rebuild of the whole distribution system. Replacement makes sense when ductwork is crushed or contaminated throughout, or when whole runs have collapsed. In most cases we find that the system is sound and the problem is localized, which is exactly when repair is both cheaper and better. A free inspection is the honest way to find out which situation you’re in.
What does duct sealing actually involve?
We locate the leaks, clean and dry the surface, then seal with mastic and mesh or proper duct tape rated for the job, focusing on joints, boots, plenums, and any holes we find in the run. Air sealing done right is physical work at the joints, not a spray from a can. We use Nikro negative-pressure equipment on-site to capture dislodged dust during the process, and the Rotobrush contact-brush system when the run needs cleaning before it’s sealed. What we won’t do is seal a leak without knowing whether the run is also crushed or disconnected underneath, because that just traps a bigger problem.
How do I know if my ducts need repair instead of cleaning?
If you notice whistling or hissing at registers, rooms that never get enough airflow, dust settling faster than normal, or a utility bill that’s crept up without explanation, there’s a decent chance you have a leak or a disconnected run. Cleaning won’t fix a broken joint, and this is exactly where most duct-cleaning services stop: they flag the problem and move on. We treat repair as a standalone service precisely because cleaning a system with a disconnected run doesn’t deliver the result you paid for. If you’re unsure, we’ll inspect and tell you what we find.
How long does duct repair and sealing take?
Most residential repairs take a few hours, with simple sealing done in roughly two to three and larger jobs running longer. Whole-system sealing or replacing a section of duct can stretch into a longer visit depending on how much ductwork is accessible and how many leaks you have. We’ll give you a time estimate along with the written price before work starts, so there are no surprises mid-job. Call (866) 429-7345 to schedule an inspection.
Can you come today?
Often, yes. Same-day service is available depending on the schedule, and we’ll tell you the soonest opening when you call. Reach us at (866) 429-7345. We answer 24/7, and for a call outside dispatch hours we’ll book you into the next opening, Sunday through Friday, 7am to 7pm. Estimates are free.
Why choose us for duct repair in Tracy
We’re a focused trade shop, not a generalist HVAC company with a duct-cleaning add-on. That shows up in the equipment: Rotobrush and Nikro commercial-grade systems for cleaning and capture, Abatement Technologies filtration capability for elevated air quality concerns, and Honeywell and Aprilaire products we can install at the time of service when filtration needs upgrading. It shows up in the scope, too. We clean it and fix it, which means one visit can address cleaning, repair, and filtration instead of piecemeal appointments. We work with Guardsman products as well. If you’re wondering how the same approach plays out across the wider Tracy area, we’re happy to talk it through when you call.
One honest note on where the danger lies in this trade: duct cleaning and sealing is work we do safely, but the ductwork sits right next to electrical connections and the air handler wiring. Loose flex duct and exposed conductors near an air handler are not something to reseat or tape up yourself. That’s a job for a trained professional, and it’s part of why we inspect before we touch anything.
FAQs – Duct Repair & Sealing Cost
How much does duct repair cost in Tracy?
Most duct repair in Tracy falls between $350 and $1,200, with small accessible fixes around $200 to $450 and larger multi-leak jobs at the top of that range. The written estimate after inspection sets the exact price. Call (866) 429-7345 for a free, exact quote.
Is duct sealing worth the money?
For a leaking system, yes. Sealing typically runs $350 to $1,200 and stops conditioned air from escaping into the attic or crawlspace, which lets your equipment run less. If you’re weighing it against doing nothing, sealing is usually the cheaper long-term choice. Call (866) 429-7345 for a free estimate.
Do you charge for the estimate?
No. Estimates are free, and we identify the leaks and report what we find before any work begins. Call (866) 429-7345 to book one.
Should I clean the ducts before sealing them?
Usually, yes. Cleaning the run first means the seal holds to clean metal or flex and removes debris that would otherwise get pushed into the rooms. Bundling cleaning with repair in one visit typically costs $600 to $1,400 and beats two separate appointments. Call (866) 429-7345 for a free quote.
Can you repair and clean ducts in one visit?
Yes. We handle cleaning, repair, and filtration upgrades in a single appointment, which is the practical advantage of having both services under one roof. Pricing for a combined visit typically ranges from $600 to $1,400. Call (866) 429-7345 for a free estimate.
Pricing reflects the Tracy market as of 2026. Duct Cleaning Tracy offers free estimates: call (866) 429-7345.
Written by the team at Duct Cleaning Tracy.
What Our Customers Say
"My wife's allergies had been bad in this house since we moved in. It's been two months since they did the ducts and it's noticeably better. Not a miracle, but real."
- Roger Sutton"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."
- Neil Rhodes"Did the dryer vent while they were here for a small add on price. The dryer now finishes a load in one cycle instead of two."
- Ernesto Delgado