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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AfterHow Much Does Duct Repair & Sealing Cost in Ventura?
In Ventura, duct repair and sealing typically runs $350 to $1,400, with most single-system homes landing between $550 and $850. Small seal jobs on accessible attic runs can come in under $400, while a full duct replacement in an older Ventura home with collapsed flex lines can reach $2,500 or more. A free estimate from Air Duct Cleaning Ventura gives you an exact number, because the real cost depends on what we find once we’re in the attic and under the house.
We’re not a discount crew with a shop vac. We run Rotobrush contact-cleaning systems, Nikro HEPA-rated vacuums, and Abatement Technologies containment equipment – the same tier of gear used in commercial and remediation work. When we quote duct repair, that standard of care carries into the sealing and restoration side.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s what the line items look like in the Ventura market this year. Every home is different, but these ranges hold for most single-family homes and condos in the county.
| Service | Typical Cost Range |
|---|---|
| Duct inspection & leak assessment (with airflow test) | $99 – $250 |
| Sealing small leaks and joints (mastic or foil tape) | $250 – $450 |
| Aeroseal or aerosol-based whole-system sealing | $900 – $1,800 |
| Repairing a single disconnected or crushed flex run | $180 – $400 |
| Replacing damaged rigid duct sections | $400 – $900 |
| Full flexible duct replacement (whole house) | $1,500 – $2,800 |
| Insulating exposed attic ductwork | $350 – $800 |
| Rerouting a run to improve airflow or fit code | $300 – $750 |
| Adding a return-air duct | $450 – $1,100 |
What pushes a job toward the top of those ranges? Hidden damage, tight attic access, and homes built before the mid-1980s are the three biggest drivers. Older Ventura homes often have original ductwork that’s been patched several times and never properly sealed. On the coast side of town, salt air and marine-layer humidity quietly degrade sealants and flex duct in ways that don’t show up until the airflow drops. When we find more than one issue, we’ll walk you through the fix in priority order – what’s urgent for safety and efficiency versus what can wait a season.
Inland and canyon homes in the Ojai Valley and the Santa Clara River corridor run into a different problem. Hot summer attic temperatures push 130°F or higher, and rigid duct that wasn’t sealed properly can leak 20% to 30% of conditioned air before it reaches a register. Sealing on those homes pays back fastest, and it’s the kind of repair we can usually scope in a single visit.
What Affects Duct Repair & Sealing Pricing in Ventura
Several things move the number up or down. Here’s what to weigh as you compare quotes.
- Crawlspace or attic access. Ventura has a lot of single-story homes on slab with attic runs. If access is tight, or if the job requires reaching ducting under a low pier-and-beam crawlspace, labor hours climb. Clear, open attic decking keeps a job at the low end.
- Duct material. Flex duct is cheaper to repair and replace than rigid metal or fiberglass ductboard. If you have ductboard with water damage or rodent intrusion, replacement is usually the smarter fix even though the per-foot cost is higher.
- Number of leaks and their location. A handful of accessible joint leaks are quick. Leaks buried under insulation or behind finished walls mean more labor to reach them. That’s why the inspection step matters: we don’t quote from a guess.
- Age of the system. In the older neighborhoods around midtown and the Avenue, original duct often dates to the 1960s or 1970s. Those systems often need section-by-section replacement rather than patching because the foil and flex materials have broken down.
- System size. A 1,500-square-foot home has fewer runs than a 3,000-square-foot one, so per-run pricing scales with the house. Duplexes and condos near the harbor are on the low end.
- Whether you combine it with cleaning. Repairing ducts and then cleaning the whole system in the same visit saves time and labor. It also lets us verify airflow with the same equipment we trust for diagnostics.
Two more things worth knowing. Attic temperatures in Ventura County can reach the 120s by midday in late summer, so we get into attics early to do the work when it matters. And many homes built before 1990 still have fiberglass duct insulation with a foil facing that degrades over decades – a quiet contributor to the dust and stale air homeowners notice. You can read more about how we scope that work on our Duct Repair & Sealing in Ventura page.
How to Save on Duct Repair & Sealing
The best savings come from catching the problem early and doing the work in one trip with the right equipment. A few practical moves:
- Get the inspection before committing to a repair. A proper airflow and leak assessment costs a fraction of a repair, and it tells you whether you’re looking at a $300 sealing job or a $1,500 replacement. Guessing is how homeowners overspend.
- Combine cleaning and repair. Cleaning before or alongside repair means we’re already in the system with Rotobrush contact-cleaning equipment, so you don’t pay for two separate mobilizations.
- Seal accessible leaks in one pass. If a technician is on site, ask them to document and seal every reachable joint while they’re there. The incremental labor is far less than a return trip.
- Ask about filtration upgrades. We install and support Honeywell and Aprilaire filters and air quality products, and a well-chosen filter can reduce how much dust and debris load your system carries between cleanings. It’s a modest line item that stretches the life of the work you’re paying for.
- Don’t put off a sagging or disconnected run. A single disconnected flex run in a Ventura attic forces your blower to overwork and dumps conditioned air into the attic. That’s an easy fix at $180 to $400 and a much bigger energy bill if ignored for a year.
We quote free and put the numbers in writing. If the estimate includes a line item you don’t recognize, we’ll explain exactly what it covers and why it’s on there. Call us and we’ll schedule it: (855) 507-7508.
FAQs – Duct Repair & Sealing Cost
How much does duct sealing cost in Ventura?
Duct sealing in Ventura typically costs $250 to $450 for targeted mastic or foil-tape repairs on accessible leaks, and $900 to $1,800 for whole-system aerosol sealing. The wide range reflects the difference between patching a few joints under the house and sealing every leak across the entire system. Call (855) 507-7508 for a free estimate so we can give you a real number for your home.
Is it cheaper to repair ducts or replace them?
Repair is cheaper when the duct structure is sound and leaks are localized – expect $180 to $450 per repair versus $1,500 to $2,800 for a whole-house replacement. Replacement wins when the flex duct has already failed across most runs, which we see on some older Ventura homes where foil facing has broken down. Our techs will show you what they found and let you decide.
Do I really need duct sealing if my system seems fine?
Yes, if you’re seeing high energy bills, uneven room temperatures, or extra dust – all signs of leakage that can cost 20% to 30% of your conditioned air. In Ventura’s coastal climate, salt air and humidity also degrade seals faster than in dry inland climates, so leaks build up quietly. A sealing visit at $250 to $450 is one of the better returns in home maintenance.
How much does duct repair cost if only one vent is weak?
A single weak vent usually means a disconnected or crushed flex run, and repair typically runs $180 to $400. It’s common in Ventura homes where a run has pulled loose at a joint or where ducting sits against hot attic decking. We diagnose by airflow and visual inspection, then quote the specific fix.
Should I clean the ducts before or after repairing them?
Clean after, or together – never before. Cleaning first and then repairing means debris from repair work can recontaminate the system, and you’d be paying for a second pass. We use Rotobrush contact cleaning and Nikro HEPA vacuums with Abatement Technologies containment to catch the dust as we work, then run a final pass when the repair is done. Call (855) 507-7508 and we’ll bundle the two services in one visit.
Duct repair and sealing in Ventura runs $350 to $1,400 for most homes, all backed by the equipment and process that make the result verifiable. We name the tools because they matter: Rotobrush contact cleaning, Nikro HEPA extraction, Abatement Technologies containment. If your ducts are leaking, sagging, or running stale air into a room, call (855) 507-7508 for a free estimate. We’ll inspect the system, explain what we find, and put the price in writing before any work starts.
Pricing reflects the Ventura market as of 2026. Air Duct Cleaning Ventura offers free estimates – call (855) 507-7508.
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."
- Carlos Ramirez"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Oscar Reyes"They photographed every return and supply before starting and sent me the file afterward. No upsell to a sanitizing treatment I didn't need."
- Kevin Norris