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 Livermore?
Duct repair and sealing in Livermore typically runs $350 to $1,500 for most homes, with straightforward seal jobs on accessible ducts landing near the low end and repair work that involves disconnected runs, crushed flex duct, or multiple leaks pushing toward the top. A whole-house sealing and repair package on a larger two-story home can reach $2,200 or more. The written estimate sets the final price, and estimates are free.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s how the work breaks down by line item for the Livermore market. Ranges below are typical for a single-family home; a small condo or a single inaccessible run can fall below them.
| Line item | Typical cost range | What it covers |
|---|---|---|
| Duct inspection and airflow assessment | $0 with estimate | Visual inspection, airflow check, and a written scope of what needs repair |
| Sealing isolated leaks and joints | $350 – $650 | Sealing gaps at joints, boots, and plenum connections with mastic and mesh |
| Repairing a disconnected duct run | $250 – $500 per run | Reconnecting and re-taping a run that has pulled apart at a fitting |
| Replacing crushed or torn flex duct | $400 – $900 per run | Removing damaged flex duct and installing new insulated flex |
| Whole-house duct sealing | $800 – $1,500 | Sealing the full accessible duct system, including boots and joints |
| Duct repair combined with Rotobrush cleaning | $1,000 – $2,200 | Contact cleaning, containment, and repairs in a single visit |
| Repairing rigid metal duct or plenum connections | $600 – $1,200 | Fabricating and fitting metal sections, sealing the plenum to the air handler |
What pushes cost up: how many leaks exist and where they sit. A leak at a boot behind finished drywall is a different job than a joint you can reach from an attic access panel. What pulls cost down: open access, a duct system in decent shape with only a few failing joints, and combining repairs with a scheduled cleaning so the crew is already in the system under containment.
We handle repairs in-house, not subcontracted. That matters for pricing because there’s no markup layered on a second contractor’s labor, and it means the same people who inspect the system are the ones sealing it.
What Affects Duct Repair & Sealing Pricing in Livermore
Livermore’s housing stock and climate both shape the bill in ways that are worth understanding before you get an estimate.
- Attic heat and duct condition. Livermore summers routinely push attic temperatures well above outdoor air temperature, and duct systems running through that attic take the heat. Insulated flex duct that’s been baking for years can sag, separate at the fittings, and lose its jacket. The hotter the attic, the more often we find runs that need replacement rather than a simple reseal.
- Age of the home and duct material. A good share of Livermore’s neighborhoods were built in the mid-to-late 20th century, and many still have the original duct system. Older flex duct with degraded tape and failed joints is a common find. Newer construction tends to have fewer disconnected runs but its own set of problems where flex was run poorly at install.
- Access. Systems with a clean, open attic access cost less to service than systems boxed in behind finished walls. Inaccessible runs take more time and sometimes need a small drywall opening. That’s the single biggest swing factor in a quote.
- Number of failing runs. One disconnected run is a repair. Six of them is a project. Each added run adds labor and material, and the per-run price drops the more you do in one visit.
- Rigid metal versus flex. Rigid metal ducts that have separated at a seam or plenum connection take more labor to fabricate and fit. Flex duct repair is faster, which shows in the price.
- Combining repair with cleaning. A repair visit means the system is open. If it’s also full of debris, sealing dirty ducts just traps the problem. Bundling a duct cleaning Livermore visit with the repair work usually costs less overall than scheduling them separately, and it means everything gets sealed clean.
Why We Clean and Seal With Containment
Duct repair is a mechanical job, but what happens during it matters for the air in your home. When joints open up and a crew starts cutting, pulling, and handling old duct material, debris and settled dust get disturbed. Without containment, some of that ends up recirculating into living space.
We seal the system and run Nikro negative-air equipment to hold the work area under a contained vacuum while we’re in it. We use Abatement Technologies air-quality control equipment on the job, the same category of gear used in professional remediation work. It’s not show. It’s the difference between pulling a failed duct apart in your hallway and pulling it apart while the dust goes into a capture system.
For the cleaning side, we use the Rotobrush contact-cleaning system, which physically scrubs duct walls rather than relying on suction alone to lift loosely settled debris. Contact cleaning that scrubs, not just suctions, is what you want before sealing. And because our technicians are trained on Honeywell, Aprilaire, and Guardsman air-treatment systems, we can look at the whole air chain (filtration, humidity control, and ductwork) and tell you where a leak is actually costing you airflow.
How Much Do Duct Leaks Cost You in Livermore?
A leaky duct system does two things at once: it pushes conditioned air into your attic instead of your rooms, and it pulls attic air into the system. In a Livermore summer, attic air can be far hotter than the air inside the house. So your air conditioner works harder to cool every cubic foot that leaks out, and some of what it delivers is warm, dusty attic air riding in through the return side.
The symptoms are easy to spot even before an estimate:
- Rooms that stay warm no matter how long the system runs
- Dust collecting on surfaces faster than it should
- A musty or dusty smell when the system kicks on
- Airflow that’s strong at registers near the air handler and weak at the far ones
Property managers know this pattern well. If you turn units between tenants and the incoming resident reports uneven airflow within a month, the duct system is usually the reason. A documented repair-and-seal visit, with photos of what was found and what was fixed, settles that question before it becomes a complaint.
Repair or Replace the Duct System?
For most Livermore homes, repair wins. If the duct system is original but mostly intact, a full seal plus a handful of run repairs runs far less than replacing the whole system, and it delivers most of the airflow improvement. Replacement makes sense when the duct is failing across most of its length: collapsed flex, extensive jacket damage, or a layout that was wrong from day one.
Repair also makes sense when a single room never gets air. That’s usually a disconnected run or a crushed flex section, and resealing or replacing that run is a modest job with a disproportionate payoff.
The estimate will tell you which one you’re facing. We’ll show you what we found, explain what sealing will and won’t fix, and let you decide. We don’t sell replacement when a seal will do the job.
How to Save on Duct Repair & Sealing
These aren’t tricks. They’re the things that genuinely reduce the bill.
- Get it all done in one visit. Per-run pricing drops when multiple runs are repaired together, because the crew is already set up, containment is already in place, and travel and setup aren’t repeated.
- Combine repair with cleaning when the system is dirty. Sealing a system that’s loaded with debris isn’t a fix. Doing both under one containment setup saves on labor and gets you a sealed, clean system in one day.
- Clear access before we arrive. If your attic access is blocked by stored boxes or the panel is painted shut, clearing it saves setup time and lets the crew get to work immediately.
- Fix small leaks before they become big ones. A leaking joint that goes unaddressed for years can soak insulation, degrade tape, and pull a run apart. Sealing one area costs less than repairing a run later.
- Ask for a written scope. A written scope tells you exactly what’s included. Call (833) 593-6464 and we’ll schedule a free estimate.
What Happens When You Call
We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. A call outside dispatch hours is booked into the next opening.
When we arrive, we’ll inspect the system, look at the accessible duct work, check airflow, and identify where the leaks are. Then you get a written estimate with the line items above, in plain terms, before any work begins. The estimate is free. On the day of the job we establish containment, run negative-air equipment, do the repair and sealing, and confirm airflow afterward. Photos of what we found and what we corrected go into the report.
We serve homes and rental properties throughout the Livermore area. Property managers who need documented service between tenants get the same written scope and the same photo record.
FAQs – Duct Repair & Sealing Cost in Livermore
How much does duct repair cost in Livermore?
Most duct repairs in Livermore run $350 to $800 for an isolated problem: one disconnected run, a few leaking joints, or a crushed section of flex. When several runs need attention or access is tight, expect $800 to $1,500. Whole-house repair combined with contact cleaning runs $1,000 to $2,200. Call (833) 593-6464 for an exact quote. Estimates are free.
How much does duct sealing cost separately from repair?
Whole-house duct sealing in Livermore typically costs $800 to $1,500. Sealing a handful of specific joints and boots runs $350 to $650. Sealing is often the lower-cost option when the ducts are structurally sound but leaking at the fittings, which is common in older Livermore homes. An estimate will confirm which applies to your system.
Can you repair ducts the same day?
Yes, in many cases. Straightforward repairs (reconnecting a separated run, sealing accessible joints, replacing a short section of flex) can often be done in a single visit. Jobs involving inaccessible runs or extensive replacement may need a follow-up visit to complete. We answer 24/7, and dispatch runs 7am to 7pm, Sunday through Friday. Call (833) 593-6464 to check availability.
Is it cheaper to repair ducts or to replace them?
Repair is almost always cheaper. A typical Livermore duct repair and seal job runs $350 to $1,500. Replacing the full duct system is a substantially larger project. Repair makes sense when the system is mostly intact and the leaks are localized. Replacement is the better call when duct has failed across most of its length. The written estimate will tell you which one your system needs.
Does the estimate include duct cleaning too?
The free estimate covers the inspection and the written scope for any repair and sealing work. Cleaning is a separate line item, and combining it with repair in one visit is usually the lower-cost path when the system is dirty. Call (833) 593-6464 and we’ll show you both options in the scope.
Will duct sealing actually improve my airflow?
Sealing a system that’s leaking at joints and boots commonly restores meaningful airflow to the rooms at the end of the duct run. If a room stays warm regardless of how long the system runs, that’s a strong sign of a leak or a disconnected run. A free estimate will identify whether the problem is a leak or a failed run before you commit to any work. Call (833) 593-6464.
Do you work with rental properties and property managers?
Yes. We serve homeowners and property managers throughout Livermore. For rentals, we provide a written scope and photo documentation of the work done, which gives you a record of the condition of the system between tenants and helps with documentation if a resident raises an airflow concern.
Get a Free Estimate
Duct problems get worse with time, not better. A leaking joint pulls in attic dust and heat all summer, and a disconnected run just keeps blowing conditioned air into a space nobody’s in. The estimate is free, the scope is in writing, and the price doesn’t change after we start.
Call (833) 593-6464. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. We’ll look at your system, show you what we found, and give you a straight answer on repair, sealing, or both.
Pricing reflects the Livermore market as of 2026. Duct Cleaning Livermore offers free estimates – call (833) 593-6464.
Written by the team at Duct Cleaning Livermore, serving Livermore since 2015.
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."
- Sofia Flores"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."
- Jennifer Vaughn"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."
- Marco Castillo