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
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Before
AfterHow Much Does Duct Repair & Sealing Cost in La Jolla?
Duct repair and sealing in La Jolla typically runs $450 to $1,200, with most single-family homes landing around $650 to $850. Small jobs like sealing a few disconnected joints start near $300, while a full attic re-seal with duct replacement on a larger La Jolla home can reach $2,500 or more. Those ranges hold for standard residential work; the exact number depends on how much duct is accessible and how far the damage has spread.
We’re Air Duct Cleaning La Jolla, and we handle duct repair and sealing as part of the same visit as cleaning, so you’re not paying two contractors to open the same attic twice. What follows is a straight breakdown of what things cost here in 2026, what pushes the price up or down, and how to avoid overpaying for a job that doesn’t fix the real problem.
Key Takeaways
- Most La Jolla duct repair and sealing jobs land between $450 and $1,200.
- Leaky ducts waste 20 to 30 percent of the air your system conditions, according to the Department of Energy, which usually shows up on your SDG&E bill.
- Sealing costs less than replacement, but only if the duct material is still sound. Torn flex duct and crushed runs have to be replaced, not sealed.
- We bring Rotobrush rotary brush systems, Nikro equipment, and Abatement Technologies HEPA containment so the repair doesn’t leave debris in your living space.
- Free estimates are available when you call (866) 282-7507.
Duct Repair & Sealing Cost Breakdown (2026)
The table below reflects real La Jolla market pricing for 2026. These are labor-and-materials ranges for residential work, not teaser numbers.
| Service | Typical Price Range | What It Covers |
|---|---|---|
| Mastic or foil-tape sealing (accessible joints) | $300 – $600 | Sealing disconnected joints, seams, and register boots in attics or crawlspaces |
| Whole-house duct sealing (full system) | $650 – $1,400 | Every accessible joint, seam, and connection through the system |
| Single flex duct run replacement | $150 – $350 per run | Removing a torn or crushed flex run and installing new insulated duct |
| Duct boot and register box repair | $150 – $400 each | Reseating or rebuilding the connection between duct and ceiling register |
| Aerosol duct sealing (whole system) | $1,200 – $2,500 | Sealing leaks from the inside using a pressurized sealant fog, ideal for hard-to-reach runs |
| Duct cleaning (as a pairing with repair) | $350 – $600 | Source-removal cleaning before or after sealing to clear debris |
| Full attic re-duct on a larger home | $1,800 – $3,500+ | Replacing the majority of a flexible duct system in attic or crawlspace |
Aerosol sealing sits at the top of the range because the equipment and labor are heavier. It pushes a fog of sealant through the closed system, so it reaches leaks no one can see from the attic floor. If your ducts are mostly intact but leaky at hundreds of pinholes, it’s often the smarter spend than wholesale replacement. If the material itself is failing, sealing is wasted money.
What moves your number up or down: how much duct is physically reachable, whether the runs are flex or rigid metal, how many separate leaks you have, and whether we’re repairing after a rodent intrusion or a botched install. A house with a clean, accessible attic and intact ductwork usually lands closer to $500. A 1970s La Jolla ranch with flex duct crushed under a decade of storage and chewed through by rats trends toward the top of the range.
What Affects Duct Repair & Sealing Pricing in La Jolla
- Attic access and crawlspace conditions. Most La Jolla homes have low-pitch attics with limited clearanceo. Duct that’s easy to reach takes less labor than duct you have to contort to access. Homes with a conditioned attic or a newer build tend to cost less to service.
- Duct material and age. Rigid metal duct can often be sealed and salvaged. Flex duct older than 15 years in a coastal climate is usually brittle and needs replacing. We check before we quote so there are no surprises.
- Rodent and pest damage. La Jolla’s canyons and coastal brush attract rats and squirrels into attics. Chewed flex duct is one of the most common repair calls we get, and it usually means replacing runs rather than sealing them.
- Number of register boots and connections. A four-bedroom house with 12 registers takes longer than an 8-register condo. Every connection point is a potential leak and a line item.
- Whether you bundle with cleaning. Pairing repair with a source-removal cleaning visit is cheaper than two separate appointments, and it’s the only way to make sure you’re not sealing debris into the system.
- Coastal humidity and salt air. The marine layer that rolls into La Jolla Shores and Bird Rock keeps ductwork cooler and damper than inland neighborhoods. That can accelerate insulation breakdown, which adds to repair scope over time.
How to Save on Duct Repair & Sealing
The single biggest cost saver is catching leaks before they spread. A sealed joint today is a few hundred dollars. A crushed run that’s been leaking into your insulation for three years, soaking it with condensation, is a much bigger bill. We see this constantly in La Jolla’s older homes near the Village and along Girard Avenue, where original ductwork has been quietly failing for two decades.
Other ways to keep the number down:
- Bundle repair with cleaning. One visit, one trip charge, and the cleaning clears the debris that sealing would otherwise trap.
- Fix the accessible leaks first. If your budget is tight, sealing the joints we can reach gives you most of the airflow benefit without paying for aerosol or full replacement.
- Ask for a room-by-room assessment. Sometimes the “problem” room is one disconnected boot, not a whole-system failure. We’ll tell you if that’s the case even if it means a smaller ticket.
- Get the estimate in writing. Free estimates are how we work. Call (866) 282-7507 and we’ll walk the system, show you what we find, and quote it before anyone touches a tool.
- Address dryer vent cleaning in the same visit. Your dryer vent is a fire-risk issue, not a maintenance item to put off. Bundling it saves a second trip and removes a documented safety hazard from your home.
Why Duct Repair and Sealing Belongs With Cleaning, Not After It
Here’s what we run into. A homeowner calls for duct cleaning, we open the system, and we find three disconnected joints, a crushed run rubbing against a joist, and a register boot that’s been blowing into the attic instead of the bedroom for years. Cleaning that system without repairing it would just redistribute air into the same leaks. So we quote the repair as part of the same job.
That matters for pricing. A single contractor who cleans and repairs means one visit, one set of equipment, and one point of accountability. You’re not coordinating between a cleaning company and an HVAC contractor, and you’re not paying someone to open your attic twice. You can read more about how we handle the full scope on our Duct Repair & Sealing in La Jolla page, and the broader picture of what we do lives on our home page.
On the equipment side: we run Rotobrush rotary brush systems and Nikro HVAC equipment, the same tool sets remediation contractors rely on because consumer-grade vacuums don’t create the airflow needed for source removal. We keep Abatement Technologies negative-air and HEPA-filtration units on the truck so any debris dislodged during repair or cleaning is captured at the source instead of drifting into your kitchen. And we work with Honeywell and Aprilaire air-quality components, so if a filter or UV upgrade makes sense after sealing, we can quote it with the same knowledge of your system.
How Much Does Duct Sealing Save on Energy Bills in La Jolla?
Sealing leaky ductwork typically cuts 10 to 20 percent off heating and cooling costs, and the Department of Energy puts the wasted air from unsealed ducts at 20 to 30 percent. For a La Jolla home spending $2,400 a year on cooling, that’s roughly $240 to $480 a year back in your pocket. A $700 sealing job can pay for itself in under three years on a typical South County home.
The savings show up faster in La Jolla because our cooling season runs long. When the marine layer burns off by midday, your system works hard through the afternoon. Every sealed joint is air that stays in the house instead of leaking into the attic.
Repair or Replace? A Straight Answer for La Jolla Homes
Repairing and sealing is almost always cheaper than replacing ductwork, and if the duct material is sound, sealing is the right call. The line where replacement starts to win: when more than a third of your runs are torn, crushed, or water-damaged, or when flex duct is brittle and cracking at the touch. Repairing a failing system piece by piece gets expensive fast because each run becomes a separate ticket. A full re-duct on a larger La Jolla home runs $1,800 to $3,500, but it ends the cycle of repair calls and resets the clock on the whole system.
We’ll give you the honest version either way. If two runs and a boot will solve it, that’s what we quote.
Local Notes That Change the Number
Ductwork in La Jolla isn’t the same job it is in Escondido or Poway. The coastal fog and salt air rust metal fasteners and break down the outer jacket on flex duct sooner than dry inland air would. Homes along La Jolla Shores and Windansea see it more than Mount Soledad properties, but the microclimate also means condensation inside ductwork is more common. Wet insulation loses its R-value and has to come out, which adds to repair scope.
If you’re in a neighboring community, we can give you pricing context for those markets too. Homeowners in Del Mar and Carlsbad face similar coastal conditions. Inland, the numbers shift toward less moisture damage but more attic heat. If you’re closer to Encinitas or Poway, we can walk your system and quote against your actual layout. For anyone in San Diego proper or up the coast in Oceanside, the pricing ranges hold within a couple hundred dollars of what you see here.
We also handle dryer vent cleaning in La Jolla on the same visit, which is worth knowing if your laundry sits in a closet where the vent run is long and hard to reach.
Frequently Asked Questions – Duct Repair & Sealing Cost
How much does duct repair cost in La Jolla?
Duct repair in La Jolla typically costs $450 to $1,200 for a residential home, with a single flex run replacement at $150 to $350 and whole-house sealing at $650 to $1,400. Call (866) 282-7507 for an exact quote on your system. Estimates are free.
Is it cheaper to seal or replace ductwork?
Sealing is cheaper when the duct material is intact, usually by $500 to $1,500 on a typical home. Replacement wins when more than a third of your runs are damaged or the flex duct is brittle. Call (866) 282-7507 and we’ll tell you which side of that line your house falls on before you commit to anything.
Can you repair and clean the ducts in one visit?
Yes. We handle cleaning and repair in one visit, which is the whole reason we do both. One trip, one set of equipment, one contractor accountable for the result. Call (866) 282-7507 to schedule a free estimate and we’ll scope both at once.
How long does duct repair and sealing take?
Most residential jobs take half a day to a full day. Single-run replacements and partial sealing usually finish in three to four hours; whole-house sealing or aerosol sealing runs closer to four to six hours. Call (866) 282-7507 and we’ll give you a time window based on your layout.
Do I need duct cleaning before sealing?
Yes, in most cases. Sealing over a dirty system traps debris and can push dust back into your rooms. We clean with Rotobrush rotary systems and contain debris with Abatement Technologies HEPA equipment before sealing any joint. Call (866) 282-7507 to book the combined service.
Get a Free Estimate on Duct Repair & Sealing
Pricing on this page covers the La Jolla market in 2026, but the exact number comes down to your attic, your duct material, and how many leaks we find once we’re in there. Call (866) 282-7507 for a free estimate. We’ll walk the system, show you what we see, quote it in writing, and get the repair and sealing done without handing you off to a second contractor. Air Duct Cleaning La Jolla serves homeowners and property managers across La Jolla who want the source of the problem fixed, not just the symptoms covered up.
Pricing reflects the La Jolla market as of 2026. Air Duct Cleaning La Jolla offers free estimates – call (866) 282-7507.
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."
- Tim Brooks"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."
- Henry Lin"Job was done well and the house smells better. There was some dust knocked loose around a couple of the registers that I had to wipe down afterward."
- Oscar Salazar