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 Spokane Valley?
Duct repair and sealing in Spokane Valley typically runs $385 to $640 for a single disconnected joint or small leak, and $1,450 to $3,200 for sealing a whole-house system with several problem areas. If one or more duct runs have to be rebuilt or rerouted because of crushed flex pipe or failed connections in a crawlspace, most jobs land between $2,800 and $5,500. The written estimate you get after we inspect the system sets the final price, and that estimate is free.
Those ranges aren’t guesses. They reflect what the work actually involves in Spokane Valley homes: a system tucked partly in a vented crawlspace or attic, flex and sheet metal that has shifted over time, and the need to find the leak before you fix it. Sealing a duct isn’t the same job as cleaning one, and price follows the size of the problem.
Key Takeaways
- Small single-leak repair and reseal: typically $385 to $640.
- Whole-system sealing with mastic and mesh: typically $1,450 to $3,200.
- Rebuilding crushed or failed duct runs: typically $2,800 to $5,500.
- Estimates are free, and we answer 24/7 at (844) 352-9945.
- We inspect and repair duct systems, not just clean them, so the fix addresses the cause.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s how the work breaks down by line item for the Spokane Valley market. These are typical estimated ranges, not quotes. Your written estimate is what counts.
| Job / Line Item | Typical Estimated Range |
|---|---|
| Duct inspection and leak detection (credited into repair work) | Included with estimate |
| Sealing a single disconnected joint or small seam leak | $385 – $640 |
| Mastic and mesh sealing of multiple accessible joints | $650 – $1,250 |
| Whole-system sealing (10 to 20 joints plus seams) | $1,450 – $3,200 |
| Reconnecting a run that has pulled apart at the boot or plenum | $420 – $780 |
| Replacing a crushed or torn flex duct run (per run) | $340 – $620 |
| Rebuilding failed sheet metal trunk or plenum sections | $980 – $2,400 |
| Rerouting a run that was installed poorly (crawlspace or attic) | $700 – $1,600 |
| Full repair package with new run supports and re-seal | $2,800 – $5,500 |
| Return-air leak sealing and rebalance | $480 – $1,100 |
A few things move the number up or down. The biggest is access. A duct joint you can reach from an open crawlspace hatch in a Spokane Valley ranch home costs less to seal than one buried behind a finished basement ceiling or wedged between joists in a tight attic. The second is how much of the system has failed. One loose boot is a small job. Five crushed flex runs behind a knee wall is a rebuild.
Material matters too. Mastic and mesh sealing on sheet metal lasts, and we use it because tape and caulk peel and crack over time. Flex runs that have collapsed get replaced outright, since sealing a crushed duct doesn’t restore airflow. When the job involves filtration upgrades at the same time, we can install Honeywell or Aprilaire components during the same visit, so you’re not paying for a second trip.
What Affects Duct Repair & Sealing Pricing in Spokane Valley
- Crawlspace and attic access. Most Spokane Valley homes have ductwork split between a vented crawlspace and an attic. Tight, low-clearance crawlspaces take longer to work in, and labor is the largest part of the bill. A wide, dry crawlspace with a clear path is a faster job than one with a low dirt floor and a maze of pipes.
- How many leaks exist. A single disconnected joint prices very differently from twenty loose seams across a trunk line. The more joints that need mastic and mesh, the more the price climbs, but sealing the whole accessible system at once is usually cheaper per joint than calling us back for one leak at a time.
- Duct material. Sheet metal and rigid duct can be sealed and repaired. Flex duct that’s crushed, torn, or kinked gets replaced, and replacement adds cost. Spokane Valley has a lot of flex in older homes that was installed quickly, and it’s often the first thing to fail.
- Whether cleaning is needed first. If the system is full of dust, debris, or pest evidence, we clean it before sealing so the seal doesn’t trap contamination inside. Because we do both, that combined visit is priced as one job rather than two separate service calls.
- Return-air problems. Leaky return ducts pull in crawlspace air and dust. Sealing returns and rebalancing airflow adds to the bill, but it’s often where the biggest comfort and air-quality gains are.
- Filtration and purification add-ons. Adding a whole-home filter or purifier during repair work costs less than adding it separately. We work with Honeywell, Aprilaire, Abatement Technologies, and Guardsman product lines, so we can spec the right piece for your system.
How to Save on Duct Repair & Sealing
The best way to keep the cost down is to deal with the whole accessible system in one visit rather than chasing leaks one at a time. Sealing multiple joints together spreads out the labor, and you avoid repeat trip costs. Ask for a written estimate that separates repair from cleaning and any upgrades, so you can see exactly what you’re paying for.
Second, don’t skip cleaning before sealing. Sealing a dusty system traps debris, and you’ll end up paying for a clean later. Doing both together, which is what Lockhart Air Duct Cleaning is set up for, is the more economical path. Our Lockhart Air Duct Cleaning team uses professional-grade Rotobrush and Nikro equipment, the same tools commercial contractors rely on, so the clean and the seal happen in the right order.
Third, tackle return-air leaks and filtration at the same time as repair. A whole-home filter installed during a repair visit costs less than a separate appointment. If you’re considering a purifier, we can match a Honeywell or Aprilaire unit to your system’s airflow so it works the way it should.
Finally, get the estimate in writing and ask what’s included. Free estimates are standard for us. Call (844) 352-9945 and we’ll walk the system with you. No service-call or diagnostic fee is added to the estimate.
How Long Does Duct Repair & Sealing Take?
Most single-leak repairs or reseals take two to four hours. Whole-system sealing with mastic and mesh usually takes a full day, and jobs that involve replacing crushed runs or rebuilding a plenum can run longer, depending on access. We schedule the work around what we find during the estimate, so the timeline you get is based on your actual system, not a generic guess.
If part of the repair involves the furnace or air handler’s connections, we may need to coordinate with your HVAC technician. We’ll tell you at the estimate stage if that’s the case.
Is Duct Sealing Worth It?
For most Spokane Valley homes with leaky ducts, yes. Sealing leaks keeps conditioned air where you want it, reduces dust pulled in from crawlspaces and attics, and helps your system run less to do the same job. The trick is doing it right: mastic and mesh on sheet metal, proper supports, and replacement of flex runs that can’t be saved. Cheap tape and caulk sealing peels within a season or two, and you’re back where you started.
Duct repair and sealing isn’t a health or efficiency cure-all by itself. But when the system has real leaks, fixing those leaks is the foundation. Cleaning, repair, and filtration work together. Cleaning alone on a broken system cleans the surface but doesn’t fix the cause. Our Spokane Valley service page lays out what a full visit looks like.
Repair vs. Replace: Is It Cheaper to Seal or Replace Ductwork?
In most cases, sealing and repairing is far cheaper than replacing a whole duct system. A full duct replacement in the Spokane Valley market typically runs well above what a repair and re-seal costs, and the repair side usually solves the airflow and dust problem. Replacement makes sense mainly when a system is undersized, badly designed, or has failed beyond the point of sealing. During the estimate we’ll tell you plainly which side of that line your system falls on.
Duct Repair vs. Duct Cleaning: What’s the Difference?
Cleaning removes dust and debris. Repair fixes the physical problems that let debris in and let air out. They’re different jobs, and a broken system needs both. If a joint is disconnected, cleaning that section does nothing until the joint is sealed. If the system is full of dust, sealing before cleaning traps it. We offer Air Duct Repair alongside Air Duct Cleaning, so the fix addresses the root cause rather than surface-cleaning a broken system. And when filtration upgrades make sense, we install them in the same visit.
What Happens When You Call
When you call, we ask a few questions about your home and the symptoms you’re seeing, like rooms that never get comfortable, dust that returns quickly, or a whistling sound at a vent. Then we schedule the estimate. We answer 24/7. A call outside dispatch hours is booked into the next opening, Sunday through Friday, 7am to 7pm. Fast dispatch, 7am-7pm, and we’re closed Saturday.
At the estimate we inspect the accessible system, check joints, boots, plenums, and runs, and look at return-air paths. You get a written estimate that separates repair, cleaning, and any upgrades. No surprises, no fees to see the number.
Does Dryer Vent Cleaning Matter for Duct Pricing?
Dryer vent cleaning is a separate service, but it’s worth mentioning on a duct page because it addresses a leading cause of residential fires that most duct cleaners ignore or treat as an afterthought. If your dryer vent shares a chase or closet with ductwork, we can handle it in the same visit. Ask about it when you book. It’s part of the end-to-end scope: from debris removal to structural repair to filtration, you don’t need a second company to finish the job.
Why Choose Lockhart Air Duct Cleaning for Duct Repair in Spokane Valley?
We’re an indoor air quality specialist, not a one-trick cleaning crew. We clean, repair, and upgrade duct systems with professional-grade equipment, and we bring the same tools commercial contractors rely on into your home. That means Rotobrush and Nikro cleaning systems, mastic and mesh sealing that holds, and product lines like Honeywell, Aprilaire, Abatement Technologies, and Guardsman when filtration upgrades are the right call.
We’ve served the Spokane Valley area since 2016. Lockhart Air Duct Cleaning offers a single-company solution for cleaning, repair, and air filtration upgrades, so you’re not left coordinating between a cleaner and a repair tech. Professional-grade equipment, residential pricing. We don’t just clean your ducts, we inspect and repair them.
FAQs – Duct Repair & Sealing Cost in Spokane Valley
How much does duct sealing cost in Spokane Valley?
Duct sealing in Spokane Valley typically runs $650 to $3,200 depending on how many joints and seams need sealing, with most whole-system jobs landing between $1,450 and $3,200. Smaller jobs on a few accessible joints come in around $650 to $1,250. Call (844) 352-9945 for a free estimate.
How much does it cost to repair a single disconnected duct in Spokane Valley?
A single disconnected joint or small seam leak is typically $385 to $640 to repair and reseal, assuming it’s accessible from a crawlspace or attic. If the run has pulled apart at the boot or plenum, it may run $420 to $780. Call (844) 352-9945 and we’ll give you a written estimate.
Is it cheaper to repair or replace ductwork in Spokane Valley?
Repair is usually cheaper. Sealing and repairing a typical system costs far less than a full duct replacement, and it solves the airflow and dust problems in most homes. Replacement is the better call only when the system is undersized, badly designed, or failed beyond sealing. We’ll tell you which side you’re on during the free estimate. Call (844) 352-9945.
Can you repair ducts and clean them in the same visit?
Yes. We clean first, then repair and seal, then install any filtration upgrades in one visit. Cleaning before sealing prevents debris from being trapped. Doing both together usually costs less than two separate appointments. Call (844) 352-9945 to book.
Do you charge a service-call fee for a duct repair estimate in Spokane Valley?
No. The estimate is free, and the price is set per job by the written estimate. There’s no diagnostic or trip fee added. We answer 24/7, and dispatch runs 7am to 7pm Sunday through Friday. Call (844) 352-9945.
How much does it cost to replace crushed flex duct in Spokane Valley?
Replacing a crushed or torn flex run typically runs $340 to $620 per run, depending on access and length. A full repair package with new supports and re-sealing the system usually lands between $2,800 and $5,500. Call (844) 352-9945 for an exact estimate.
Do you offer dryer vent cleaning too?
Yes. We offer Air Duct Cleaning, Dryer Vent Cleaning, and Air Duct Repair. If your dryer vent is part of the same closet or chase, we can handle it in the same visit. Call (844) 352-9945 to add it to your estimate.
Get a Free Duct Repair & Sealing Estimate
Duct repair and sealing makes sense when there are real leaks to fix, and the free estimate is where that gets settled. Call (844) 352-9945. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday, and we’re closed Saturday. Professional-grade equipment, residential pricing, and a written estimate that sets the final price before any work begins.
Pricing reflects the Spokane Valley market as of 2026. Lockhart Air Duct Cleaning offers free estimates – call (844) 352-9945.
What Our Customers Say
"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Amanda Vaughn"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."
- Allison Fletcher"They photographed every return and supply before starting and sent me the file afterward. No upsell to a sanitizing treatment I didn't need."
- Erin Pruitt