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
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After
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AfterHow Much Does Duct Repair & Sealing Cost in Vermont Vista?
Duct repair and sealing in Vermont Vista typically costs $350 to $1,900, with most single-run repairs and accessible sealing jobs landing between $450 and $850. Small seal-and-tape fixes start around $275, while full attic duct replacement with new insulated flex or rigid trunk lines can run $2,400 to $4,500 depending on how many runs are involved and how tight the crawl access is. Those are estimates for the Vermont Vista market in 2026; the written estimate we leave with you sets the final price.
We’re Rivermark Air Duct Cleaning, and duct repair is one of our three core services, alongside cleaning and dryer vent work. We repair what a cleaning-only crew has to vacuum around: disconnected collars, crushed flex runs, torn insulation, and joints that leak conditioned air into an attic all summer. Professional-grade Rotobrush and Nikro equipment tells us what’s actually in the system before we quote a repair, so the number you get reflects the ducts you have, not a guess.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s how the work usually breaks out for Vermont Vista homes. These are typical ranges, not fixed prices, and every job gets its own written estimate before we touch a duct.
| Repair Type | Typical Cost Range | What It Covers |
|---|---|---|
| Seal leaking joints (mastic + tape) | $275 – $550 | Accessible joints in attic or crawl, sealed to stop air loss |
| Reconnect a disconnected run | $350 – $650 | Re-seating or re-clamping flex duct at a boot or collar |
| Replace a crushed or torn flex run | $450 – $900 | Single run replacement with new insulated flex |
| Replace a section of rigid trunk line | $700 – $1,400 | Sheet metal trunk repair or replacement with sealed seams |
| Seal entire system (10-12 runs) | $850 – $1,900 | All accessible joints, boots and plenum connections |
| Full attic duct replacement | $2,400 – $4,500 | New runs, trunk, and connections across the whole system |
| Duct cleaning bundled with repair | Added $200 – $500 | Rotobrush and Nikro cleaning to remove debris before sealing |
The single biggest driver of price is access. Flexible duct running through a low attic crawl under a shallow-pitch roof takes longer to reach and seal than a straight run in an open garage ceiling, and labor follows logistics. The next driver is scope: one crushed boot costs far less than a trunk system where five connections have pulled apart under a house that’s settling. Duct material matters too, since replacing rigid sheet metal trunk lines takes more fabrication time than swapping out insulated flex. If the system also needs cleaning first, that’s a separate line, and we’ll tell you plainly whether cleaning makes sense before or after the repair.
What Affects Duct Repair & Sealing Pricing in Vermont Vista
Vermont Vista is older, closely packed neighborhood housing on the south side of Los Angeles, and the housing stock speaks for itself when we’re sizing up a job.
- Age of the duct system. A lot of the homes here were built in the middle of the last century, and original galvanized or early flex duct is often at the end of its life. When insulation is disintegrating and seams have rusted, we’re replacing runs, not just sealing them.
- Attic and crawl access. South LA homes with low, hot attics are harder to work in than open-ceiling construction. Duct work that’s buried under blown insulation or wedged near a roofline drives labor up, and that shows in the quote.
- Number of disconnected or leaking runs. A system with one bad joint is a $350 job. A system with six is a sealing project. The estimate is built run by run so you can see exactly where the money goes.
- Crushed flex from previous work. Flex duct that got pinched during earlier HVAC or plumbing repairs is common and easy to spot once we’re inside. Pulling the kink out requires cutting and re-running, which costs more than a straight seal.
- Sealing method. Mastic and quality tape on accessible joints is affordable. When ducts are in a space you can’t reach, options narrow and the labor cost rises.
- Whether you pair repair with cleaning. If you want the debris and dust addressed at the same time, we can bundle Rivermark Air Duct Cleaning service with the repair and keep it to one visit.
One local note worth knowing: because summers here stay hot and dry for months, the attic runs get baked, and flex duct insulation degrades faster than it would in a cooler climate. That’s a big reason we see so much deteriorated ductwork in Vermont Vista homes around the middle of the last century rather than just a few decades old. The Vermont Vista neighborhood pages break down what we typically find block by block.
How to Save on Duct Repair & Sealing
None of these are tricks. They’re just the choices that keep the bill down without leaving a leak you’ll pay for again next summer.
Get the whole system diagnosed, not just the visible run. A cheap fix on the one obvious problem often hides a second disconnected run feeding the same room. One visit that maps everything costs less than two visits that each fix what the last person missed. Our free estimate does exactly that, and there’s no charge for the diagnosis.
Bundle cleaning with repair when it makes sense. If the ducts hold a buildup of dust and debris, cleaning before sealing keeps the seal from trapping it in place, and the second visit is cheaper than the first. We use Rotobrush rotary brushes to agitate the walls and Nikro negative-air equipment to contain and pull out the debris, which is how we make sure the system is actually clean before we close it up.
Address filtration while we’re in the system. We stock and work with Honeywell and Aprilaire products, and in homes with allergy sufferers or a new HVAC install, adding better filtration at the same time as the repair saves a second callout. It also takes some load off the blower and the ductwork. We carry Abatement Technologies equipment too, the same grade used on commercial and remediation-grade projects.
Don’t wait for the system to fail. A small leak sealed at $300 today is worth talking about versus a full attic replacement later at $2,400 to $4,500. The estimate is free, and we answer 24/7 at (833) 620-6973. Fast dispatch from 7am to 7pm, Sunday through Friday.
FAQs – Duct Repair & Sealing Cost
How much does duct sealing cost in Vermont Vista?
Duct sealing in Vermont Vista typically runs $275 to $1,900. A small set of accessible joints lands near the lower end, while sealing a whole 10-12 run system across an attic or crawl sits at the top. The written estimate fixes the final number. Call (833) 620-6973 for a free one.
Is it cheaper to repair or replace my ductwork in Vermont Vista?
Repair is cheaper in most cases, usually by a wide margin: a $450 to $900 single-run replacement beats a $2,400 to $4,500 full replacement. Replacement only wins when the duct material is failing across the system, insulation is gone, or the runs were installed wrong to begin with. We’ll tell you honestly which side you’re on, and the estimate is free.
Can you repair ductwork the same day?
Yes, in most cases. Same-day repair is often possible when the work is accessible and the parts are standard. We answer 24/7, and fast dispatch from 7am to 7pm, Sunday through Friday, gets a technician out to look and quote. A call outside dispatch hours is booked into the next opening, Sunday through Friday, 7am to 7pm.
Why does my Vermont Vista home need duct sealing in the first place?
Because leaking ducts waste the conditioned air you’re already paying for, and in this neighborhood’s older homes the joints and collars have had a long time to work loose. A typical system with disconnected runs and torn insulation loses a real share of its cooling into the attic. Sealing at $275 to $1,900 is often cheaper than the utility bill you’re carrying. Call (833) 620-6973 for a free look.
Does duct repair come with duct cleaning?
Not automatically, but we can bundle it, and the added cleaning runs roughly $200 to $500. Cleaning before sealing is often the right order, since Rotobrush and Nikro give us a clean system to seal and a clear look at every joint. Ask about bundling when you call (833) 620-6973, and the estimate covers both.
We clean it. We repair it. We improve it. That’s the whole pitch. If the ducts in your Vermont Vista home are leaking, disconnected, or crushed, the free estimate is the fastest way to know what it’ll cost and whether the fix is small or bigger than you hoped. Call (833) 620-6973 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Pricing reflects the Vermont Vista market as of 2026. Rivermark Air Duct Cleaning offers free estimates – call (833) 620-6973.
Written by the team at Rivermark Air Duct Cleaning, serving Vermont Vista since 2014.
What Our Customers Say
"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Shanice Boyd"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."
- Veronica Flores"Told me straight that our ducts were in decent shape and didn't need doing every year like the mailer companies claim."
- Sarah Lawson