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
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Before
AfterHow Much Does Duct Repair & Sealing Cost in Bellevue?
Duct repair and sealing in Bellevue typically costs between $350 and $1,200 for most single-family homes, with small fixes like a sealed joint or a reconnected boot landing near the bottom of that range and larger jobs that involve replacing damaged runs or sealing an entire system landing near the top. A full duct replacement is a different project with a different budget, usually several times the repair figure. The written estimate we provide after looking at your system sets the final price, and that estimate is free.
Bellevue’s housing stock spreads across a wide age range, from mid-century ramblers in Crossroads and Lake Hills to newer construction in the Spring District and BelRed corridor. That matters for pricing because older homes tend to have flex duct that has sagged, disconnected, or torn at the connections, while newer homes often have more complex layouts with longer runs and more joints to seal. The size and shape of your system is the biggest variable in the estimate.
We work with professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies, and we repair ductwork rather than cleaning a broken system and leaving the root problem behind. If you’ve had a low-price cleaning company come through and the dust still shows up on the furniture a week later, a disconnected or leaking duct is the usual reason. Call (833) 454-4523 for a free estimate, and we’ll tell you what’s actually wrong before anyone quotes a number.
Key Takeaways
- Most duct repair and sealing jobs in Bellevue run $350 to $1,200, depending on how much of the system needs work.
- Sealing alone is cheaper than repair; repair plus sealing is more; replacing large sections of ductwork costs the most.
- Bellevue’s mix of older and newer homes means the estimate depends heavily on duct type, accessibility, and layout.
- We repair what others walk past: identifying compromised ductwork is the point of the visit, not an add-on.
- Free estimates, upfront pricing, and a written scope before any work starts. Call (833) 454-4523. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Duct Repair & Sealing Cost Breakdown (2026)
Every system is different, but these are the typical price ranges Bellevue homeowners see when they get a written estimate. Think of them as guides, not quotes. An accessible joint in a clean crawlspace costs less than a torn run behind drywall in a finished ceiling.
| Job | Typical Bellevue Range |
|---|---|
| Reconnect a disconnected duct (single point) | $150 – $350 |
| Seal accessible joints and connections (partial system) | $350 – $700 |
| Seal the full accessible system (supply and return) | $600 – $1,200 |
| Repair a torn or crushed flex duct run | $300 – $800 |
| Replace a damaged rigid duct section | $500 – $1,500 |
| Repair and reseal a main trunk line | $700 – $1,800 |
| Fix crushed or kinked duct behind finished drywall | $800 – $2,000+ |
| Duct cleaning followed by repair and sealing | $900 – $2,200 combined |
Those figures include the labor and materials to diagnose the problem, open up what needs opening, repair the ductwork, and seal the connections. What pushes a job toward the top of the range is usually access. A duct that’s easy to reach costs less to fix than one buried under insulation in a tight attic or behind a ceiling that has to be opened and patched. Add a whole-system clean before the repair and the combined number climbs, because we’re doing two distinct jobs. That’s often the right call, since cleaning a leaking system and then sealing it afterward means the debris doesn’t come back through the gaps.
If you want to understand how the cleaning side of that combined job is priced, our duct cleaning Bellevue page covers the equipment and process in detail. The repair work is what this page is about, and it’s the part most cleaning outfits don’t offer at all.
What Affects Duct Repair & Sealing Pricing in Bellevue
Bellevue is a city of hills, tight lots, and a wide range of home ages, and all of that shows up in what a duct repair costs. Here are the factors that move the number most.
- Duct material and age. Flex duct is cheaper to repair than rigid metal, but it also fails more often at the joints and can sag between hangers. Older homes in neighborhoods like Crossroads and Lake Hills often have original flex runs that are sagging, kinked, or disconnected in more than one spot. Newer builds in the Spring District tend to have longer, more complex layouts with more joints, which means more sealing points and a higher labor share.
- Access. The single biggest driver. A duct connection you can reach from a crawlspace hatch is a quick job. The same connection behind a finished ceiling or under a foot of attic insulation takes longer, requires moving material, and sometimes requires patching afterward. Bellevue homes with vaulted ceilings or finished basements tend to have harder-to-reach duct runs.
- Number of leak points. One disconnected boot is a repair. A system where a dozen joints are leaking is a sealing project. The estimate scales with how many points need work, and the price per point drops as the number goes up because the setup cost is shared.
- Whether cleaning is needed first. If the system hasn’t been cleaned in years, sealing over a dirty duct traps debris inside and does no one any good. Cleaning before sealing adds to the total but produces a better result. We can quote both together so you see the combined number.
- Whether the problem is structural. A crushed duct, a collapsed run, or a trunk line that’s separated from the plenum is a structural repair, not a sealing job, and it costs more. These are the problems a basic cleaning visit misses and the reason we offer repair alongside cleaning.
- Filtration and air quality needs. If your household has allergies or respiratory sensitivities, you may want filtration upgrades alongside the repair. We work with Honeywell and Aprilaire products and can advise on what fits your system, though the filter itself is a separate line item from the duct work.
One factor that does not raise the price: we don’t charge more for same-day work. The price is set per job by the written estimate, and whether we’re out today or later in the week, the number is the same. We answer 24/7, and dispatch runs from 7am to 7pm, Sunday through Friday, closed Saturday.
How to Save on Duct Repair & Sealing
There’s no honest way to quote a duct repair over the phone before seeing the system, and anyone who does is either guessing or planning to find more once they’re inside. What you can do is get the most out of the estimate and avoid paying twice for the same problem.
- Get the estimate in writing before work starts. A written scope tells you exactly what’s being repaired, sealed, or replaced, and it’s the number that holds. Free estimates are standard for this work, and you should expect one. Call (833) 454-4523 and we’ll set it up.
- Bundle cleaning and sealing. If the system needs both, doing them in the same visit saves the setup and access cost of a second trip. A combined job is almost always cheaper than two separate ones.
- Address the leak points you have, not every point imaginable. Sealing the entire accessible system is worth it on a system with widespread leaks, but if the problem is two disconnected boots, fix those two and skip the rest. A good estimate will tell you the difference between necessary and optional.
- Ask about the return side. Return duct leaks pull air from unconditioned spaces like attics and crawlspaces, and they’re just as worth fixing as supply leaks. Many low-price cleaning jobs skip the return entirely. Make sure the estimate covers it.
- Don’t skip the repair to save money on cleaning. Cleaning a system with a torn duct is money spent on a job that won’t hold. The dust comes right back through the gap. Fix the duct first, or do both together.
- Get your dryer vent checked at the same visit. Dryer vent cleaning is part of our core service menu because a blocked dryer vent is a leading cause of residential fires. If the technician is already on site, having it checked adds little to the visit and addresses a real risk.
Saving money on duct work means spending it once, in the right place. Cheap cleaning that leaves the leaks in place is the most expensive option available, because you pay for it and then pay again to have it done correctly.
Why We Repair Ducts Instead of Just Cleaning Them
Most duct cleaning companies show up with a shop-vac and a flashlight and clean what they can see. That’s not a knock on cleaning. A properly cleaned system, done with the right equipment, genuinely improves indoor air quality and helps your HVAC system run more efficiently. But cleaning a system with a disconnected duct is like mopping a floor with a hole in the bucket.
We use professional-grade equipment: the Rotobrush rotary brush system for mechanical agitation and simultaneous extraction, Nikro HEPA-rated vacuum systems for particulate capture, and Abatement Technologies equipment for containment and negative air pressure during the work. That containment matters. It means dislodged debris and contaminants are captured at the source rather than redistributed through your home, which is the difference between a cleaning and a mess. The same tools are used in commercial and industrial air quality work, and we bring that standard into residential and light-commercial jobs.
The repair side is what sets the work apart. Identifying and fixing compromised ductwork, rather than cleaning around it, is the whole point. We repair what others walk past. When the estimate comes back with a repair line item, that’s not an upsell; it’s the part of the job that makes the rest of it hold.
If you’re in Bellevue or the surrounding Eastside and you’ve noticed uneven room temperatures, dust that keeps returning, or higher-than-usual heating bills, a duct inspection is the first step. Our Bellevue page has more on the area and how we work locally, and our team can walk you through what a proper inspection covers.
When Is Duct Repair Worth It?
Duct repair is worth it when the cost of the repair is less than the cost of the energy and comfort lost to the leak. For most Bellevue homeowners, a few hundred dollars of sealing pays back over time through lower heating bills and more even temperatures, especially in a home where one or two rooms are always too cold in winter or too warm in summer. Bellevue winters are mild compared with the mountains, but the heating season still runs long enough that leaky ducts add up.
It’s not always worth it. If the ductwork is old, failing at multiple points, and sealed up behind finished walls in a way that makes repairs costly, replacement of that section may be the better spend. A good estimate will lay out both paths so you can compare. We don’t push replacement when a repair will hold, and we won’t repair a system that’s going to keep failing next season.
What we won’t do is clean a system with known structural problems and call it done. If a technician finds a disconnected run during a cleaning visit, that gets flagged and quoted, not ignored.
FAQs – Duct Repair & Sealing Cost
How much does duct repair cost in Bellevue?
Most duct repair jobs in Bellevue run $350 to $1,200, with simple reconnections near $150 to $350 and larger structural repairs climbing higher. The exact number depends on how many points need work and how hard they are to reach. Call (833) 454-4523 for an exact quote. Estimates are free.
Is it cheaper to repair ducts or replace them?
Repair is almost always cheaper than replacement, often by a wide margin, and it’s the right call when the damage is localized. Replacement wins when the ductwork is failing in many places at once or is sized wrong for the system. Get a written estimate that lays out both options before deciding. Call (833) 454-4523 and we’ll walk you through what your system actually needs.
How much does duct sealing cost in Bellevue?
Duct sealing in Bellevue typically costs $350 to $1,200 depending on how much of the system is accessible. Sealing the full accessible system runs $600 to $1,200, while sealing a partial system or a handful of joints runs $350 to $700. Call (833) 454-4523 for a free estimate on your system.
Can you come today?
Often, yes. We dispatch from 7am to 7pm, Sunday through Friday, and same-day visits are common when the schedule allows. We answer 24/7, and a call outside dispatch hours is booked into the next opening, Sunday through Friday, 7am to 7pm. Call (833) 454-4523 to see what’s available.
Do you repair the ductwork or just clean it?
We do both. Duct repair is a core service, not an add-on, and we identify and fix compromised ductwork rather than cleaning a broken system and leaving the root problem behind. That means reconnecting disconnected runs, repairing torn flex duct, replacing damaged rigid sections, and sealing the joints afterward. Call (833) 454-4523 to book a free estimate.
How long does a duct repair take?
Most repairs take a few hours, with simple reconnections finishing faster and larger repairs plus sealing filling a longer visit. The estimate includes a time window. Call (833) 454-4523 and we’ll tell you what your job looks like.
What Happens When You Call
You call, we ask about the symptoms (uneven rooms, returning dust, high bills, noise in the ducts), and we book a free estimate. A technician inspects the system, identifies what’s actually wrong, and writes up a scope with pricing before anyone touches a duct. You decide what to approve. Nothing happens without your say-so, and the written estimate is the price.
Our technicians have up to 14 years of experience, and we work with the equipment and brands that hold up in real homes: Rotobrush for the cleaning side, Nikro for HEPA-rated capture, Abatement Technologies for containment, and Honeywell and Aprilaire for filtration and air quality upgrades when they fit. Licensed, insured, and bonded, with free estimates and upfront pricing.
Call (833) 454-4523. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. One call covers cleaning, venting, and repair, and we’ll tell you straight what your system needs.
Written by the team at Duct Cleaning Bellevue.
Pricing reflects the Bellevue market as of 2026. Duct Cleaning Bellevue offers free estimates – call (833) 454-4523.
What Our Customers Say
"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Daniela Herrera"Quoted per system rather than the bait and switch per vent pricing everybody else in town uses. The number I was told on the phone was the number on the invoice."
- Sofia Morales"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Anika Singh