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
Before
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Before
AfterHow Much Does Duct Repair & Sealing Cost in Tustin?
Duct repair and sealing in Tustin typically costs $350 to $1,200 for most homes, with single small leaks starting near $250 and whole-house attic systems reaching $1,800 or more. Sealing alone usually runs $300 to $650, while repairing crushed or disconnected runs pushes the job higher. Homes near Old Town and the older tracts off Main Street tend to land mid-range because their flexible ductwork has had decades to fail.
We give free estimates in Tustin, so you’ll know your exact number before any work starts. Call (855) 473-2840.
Key Takeaways
- Most Tustin duct repair jobs fall between $350 and $1,200.
- Sealing-only work runs $300 to $650; full duct replacement is a separate, larger budget.
- Most repairs are done in a single visit by our team, using Rotobrush, Nikro, and Abatement Technologies equipment.
- Attic heat and the region’s dry, dusty air shorten duct life here faster than in cooler coastal cities.
- Estimates are free and scheduled around your day.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s how the line items shake out in the Tustin market. Real jobs are combinations of these, so your total is usually two or three rows added together.
| Service | Typical Price Range (Tustin, 2026) | Notes |
|---|---|---|
| Mastic or foil-tape sealing of accessible joints | $300 – $650 | Best for attics and garages where runs are within reach |
| Aerosolized duct sealing | $850 – $1,600 | Seals hidden leaks inside walls and tight chases |
| Repair of a crushed or kinked flex run | $250 – $450 per run | Common behind registers and where installers bent ducts around joists |
| Reconnection of a disconnected duct | $200 – $400 | Often the reason a room blows weak air |
| Patch or replace a torn section | $200 – $400 | Rodent damage is a frequent cause in foothill-edge neighborhoods |
| Whole-house sealing with inspection | $650 – $1,200 | Includes pressure check to confirm improvement |
| Full trunk-and-branch replacement | $1,800 – $4,500+ | When ductwork is past repair, usually 20+ year-old systems |
| Diagnostic inspection & airflow test | Free with estimate; $75 – $150 standalone | We locate the leaks before quoting |
What pushes a Tustin job toward the top of these ranges? Number of leaks, how hard it is to reach them, and whether the ducting is rigid metal or flexible. Rigid duct lasts decades but takes more labor to repair a joint. Flex duct is faster to work with but fails sooner, and it’s what most 1970s through 1990s homes here were built with. If your ductwork sits in a low attic or a tight chase boxed into a hallway ceiling, labor climbs because we’re working in a confined space.
Sealing-only jobs cost less because they skip removal and reconnection. We can often seal twenty or thirty joints in a single afternoon with mastic, a method that beats tape for durability. When the customer wants verified results, we run an airflow test before and after – this costs a little more but proves the work paid off.
What Affects Duct Repair & Sealing Pricing in Tustin
- Attic conditions. Tustin summers push attic temperatures past 140°F, and that heat cooks flexible duct over twenty years. Ducts that have gone brittle fail where they flex, and we find that pattern constantly in the older single-story homes east of the 55.
- Duct type and layout. A straight run to a bedroom is a quick fix. A run that snakes through a soffit or under a raised foundation takes longer. Crawlspace access adds labor on any Tustin home built on a pier-and-beam foundation.
- Number of problem runs. One leak is a small job. Six leaks across two stories is a bigger one. Most single-story homes we see in Tustin have two to five problem spots. Two-story houses off Tustin Ranch Road often need more because the runs are longer.
- Hidden vs. accessible leaks. Visible joints seal cheaply. Leaks inside walls need aerosolized sealing, which is a higher line item but reaches spots mastic can’t.
- Dust and allergen load. Tustin sits in a dry basin where landscaping dust and pollen pull into the system. Ducts that have gone years without service pick up heavy buildup, and a repair visit often pairs with cleaning to keep the fix from being undone. We use Nikro HEPA-rated vacuums and Abatement Technologies filtration to contain that dust instead of blowing it through your house.
- Air quality upgrades. Homeowners dealing with allergies often add filtration while we’re already in the attic. We supply and install Honeywell and Aprilaire filtration and humidity products, and bundling the install with a repair visit saves a second trip charge.
How Duct Repair & Sealing Works (and Why We Flag the Dangerous Parts)
We start with an inspection of every accessible run. We look for disconnected joints, crushed sections, tears, and the telltale sag of a duct that’s carrying water or pest damage. We then measure airflow at the registers to confirm which rooms are starved and trace the cause back to the source.
For accessible leaks, we seal joints with mastic or foil-backed tape rated for the temperature swings an attic sees here. Loose connections get re-banded. Damaged flex runs get cut out and replaced. In tough spots, we use aerosolized sealing – a fine mist of sealant is pushed through the system and collects at the leaks. It’s a proven method and reaches where a ladder can’t.
Two safety notes we never skip. First, if the inspection finds a cracked heat exchanger or a gas appliance issue, that’s outside our scope and we’ll tell you to call a licensed HVAC technician immediately. Carbon monoxide risk is not something to work around. Second, we never advise homeowners to enter a hot attic or crawlspace unassisted to inspect or touch ductwork themselves; attics here reach dangerous temperatures in summer, and the fall risk is real. Leave the diagnosis to us.
If you’d like the full picture of what the repair-and-seal service covers, our Duct Repair & Sealing in Tustin page goes deeper. For the broader service lineup, start at our home page.
Repair or Replace? A Quick Rule of Thumb
If your ductwork is younger than fifteen years and the problem is a handful of leaks, repair is almost always the better spend. Sealing runs a fraction of replacement and delivers most of the airflow benefit. Replacement makes sense when the ducting is brittle, torn in many places, or sized wrong for the system. In Tustin’s older tracts, we regularly find flex duct that’s already twenty-five years old, sagging, and finished – sealing won’t save it. We’ll tell you honestly which scenario you’re in, and we’ve got no reason to sell you a replacement you don’t need.
How to Save on Duct Repair & Sealing
The biggest lever is bundling work into one visit. When we’re already in the attic, repairing two leaks costs less than scheduling two trips, and pairing a repair with a cleaning or a filtration upgrade spreads the travel and setup time. A few practical moves:
- Get an inspection before you spend. Our estimates are free, so map the actual leaks first – guessing at repairs tends to overspend in the wrong place.
- Fix leaks before they spread. A disconnected duct that goes unfixed lets warm attic air pour into the living space, and your system runs longer to compensate. That’s a low bill now versus a high energy bill later.
- Ask about sealing + filtration together. Sealing stops leaks; a Honeywell or Aprilaire filter upgrade keeps the cleaner air you just paid for. Doing both in one appointment trims the combined cost.
- Skip the coupon-driven “full duct cleaning” pitch. Cheap coupons usually buy a blower that doesn’t reach the walls of the duct or contain the dust. You end up paying twice. We name our equipment for a reason: Rotobrush agitation, Nikro HEPA capture, Abatement Technologies containment.
- Have dryer vent work done at the same time. A dedicated dryer vent cleaning is one of the leading fire-risk reductions you can make, and doing it on the same visit saves a trip.
For exact pricing on your system, call (855) 473-2840. We’ll schedule the estimate around your day and give you a written range before any work begins.
FAQs – Duct Repair & Sealing Cost
How much does duct repair cost in Tustin?
Most Tustin duct repair jobs run $350 to $1,200, with single small leaks from $250 and full attic systems up to $1,800. Sealing-only work typically lands at $300 to $650. Your number depends on how many leaks we find and how accessible they are. Call (855) 473-2840 for a free estimate – we’ll price the actual job, not a guess.
Is duct sealing worth the money?
Yes, when the ducts are leaking. Sealing typically costs $300 to $650 and can cut the conditioning load noticeably in a leaky home, and it keeps attic dust and heat out of your rooms. In Tustin’s hot, dusty air, sealing a system that leaks hard pays back over a couple of seasons. Call (855) 473-2840 to find out whether yours qualifies.
How long does duct repair and sealing take?
Most single-visit jobs take three to six hours, and we usually complete them in one appointment. Sealing-only work can finish in a couple of hours. Larger replacements or hidden leaks sealed with aerosol take a full day. We’ll tell you the expected time window when we quote. Call (855) 473-2840 to get on the schedule.
Can you repair ducts that are behind walls or in tight spaces?
Yes. Leaks inside walls and tight chases get sealed with aerosolized sealing rather than mastic, and that method reaches spots a technician can’t. It runs $850 to $1,600 as its own line item but avoids opening up drywall. We’ll tell you which method fits your layout. Call (855) 473-2840 for a walkthrough.
Is it cheaper to repair or replace ductwork in Tustin?
Repair is cheaper in almost every case – $350 to $1,200 versus $1,800 to $4,500+ for full replacement. Replacement only wins when the ducting is brittle, broadly torn, or sized wrong for the system. We’ll tell you straight which one your house needs. Call (855) 473-2840 for a free estimate.
Do you offer free estimates in Tustin?
Yes. Our duct repair and sealing estimates are free and include an inspection of the accessible runs. You’ll see the leaks, understand the price range, and decide with no pressure. Call (855) 473-2840.
Why Tustin Homeowners Pick an Equipment-Focused Specialist
Cheap duct coupons compete on price. We compete on what’s actually in the truck. We run Rotobrush brush-and-vacuum systems that agitate debris off duct walls instead of just pulling air across the surface. We use Nikro equipment with HEPA-rated filtration so particulates are captured, not recirculated. And we carry Abatement Technologies filtration devices – the same containment kit used in professional mold and remediation work – to keep dust down while we’re in your home.
That focus matters for repair work, too. A generalist handyman can tape a joint, but diagnosing airflow, finding hidden leaks, and sealing them without leaving dust everywhere takes the right equipment and the right process. We also supply and install Honeywell and Aprilaire filtration and humidity products, so a repair visit can fix the leak and improve the air at the same time. And when the ducts themselves are damaged, our air duct repair capability means one appointment instead of two contractors.
If you’d like to see the broader family of services, our home page covers cleaning, repair, and dryer vent work side by side.
When to Call for Duct Repair & Sealing in Tustin
Some warning signs that say it’s time for a look: rooms that never get cool, a whistle at the registers, dust settling on furniture within a day of cleaning, or a duct visibly hanging loose in the garage or attic. Any one of these is worth a free inspection. Left alone, a single leaking joint lets conditioned air escape into a 140°F attic all summer, and your energy bill pays for the oversight.
We work with homeowners and property managers across Tustin, and we schedule estimates around your commitments. Whether your home is a ranch near Old Town, a two-story off Tustin Ranch Road, or a condo near The Market Place, we’ll look at the actual layout and price it fairly.
Get Your Free Duct Repair Estimate in Tustin
Call (855) 473-2840 for a free estimate on duct repair and sealing in Tustin. We’ll inspect the system, pinpoint the leaks, and give you a clear price range before any work begins. If a repair is all you need, we’ll say so. If a full replacement makes more sense, we’ll explain why. Either way, you’ll know exactly what you’re paying for and what equipment we’re bringing to do it.
Pricing reflects the Tustin market as of 2026. Duct Cleaning Tustin offers free estimates – call (855) 473-2840.
What Our Customers Say
"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Carmen Vargas"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."
- Eduardo Martinez"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Andres Rodriguez