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 Fountain Valley?
Duct repair and sealing in Fountain Valley typically runs $350 to $1,800, with most single-family homes landing between $500 and $900. Sealing alone (mastic or aerosol) usually costs less than repair, while replacing crushed flex runs or rebuilding a damaged trunk line pushes toward the top of the range. The written estimate you get after we inspect the system sets the final price.
We’re Wellington Air Duct Cleaning, an air duct specialist working across Fountain Valley. Duct repair isn’t an add-on for us; it’s one of the three services we build the whole business around. Call (877) 358-4557 for a free estimate. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday.
Key Takeaways
- Typical Fountain Valley duct repair and sealing: $350-$1,800, most jobs $500-$900.
- Sealing alone is cheaper than repairing crushed or disconnected runs.
- Leaky ducts waste cooling dollars in a Fountain Valley summer and pull attic dust into living space.
- Estimates are free, and the written estimate is the price.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s what the line items look like in this market. These are estimated ranges for typical residential work, not quotes.
| Work | Typical Range |
|---|---|
| Mastic sealing at joints and seams | $350 – $750 |
| Full duct system sealing (whole house) | $700 – $1,500 |
| Reconnecting a disconnected run | $250 – $550 |
| Replacing crushed or torn flex duct (per run) | $200 – $450 |
| Repairing a damaged trunk line or plenum | $600 – $1,400 |
| Repair plus full cleaning of the system | $900 – $1,800 |
What drives the number up or down? Access is the big one. A run that’s reachable in an open attic takes less time than one buried under insulation or squeezed between joists in a low crawl. The number of runs matters, and so does the condition of what we find when we’re in there: a single loose joint is a quick fix, while a trunk line that’s separated at the plenum is a bigger job. If the system also needs cleaning (common when there’s visible debris or a musty smell), that gets priced alongside the repair so you’re not paying twice for the same access. We use professional-grade Rotobrush and Nikro equipment, purpose-built for duct systems, so the inspection and the work are done with the right tools rather than a shop vac.
What Affects Duct Repair & Sealing Pricing in Fountain Valley
Fountain Valley homes share a lot of characteristics that shape what this work costs. Most of the housing stock is ranch-style and single-story from the 1960s and 1970s, which means ductwork running through a hot attic and a low, tight crawl space. That layout affects access, and access affects labor. Here’s what moves the price:
- Attic and crawl access. A single-story ranch with a shallow attic and a low crawl means technicians work in cramped space. More time in tight quarters, higher labor.
- Age of the duct system. Older flex duct in Fountain Valley homes is often brittle from years of attic heat. Brittle duct tears at joints, and torn duct means more replacement than sealing.
- Number of runs and system size. A three-bedroom home with eight or ten supply runs takes longer to seal than a smaller system. Time is the cost.
- Type of repair. Sealing a joint is quick. Rebuilding a separated trunk line or replacing crushed flex is not. The breakdown above reflects the spread.
- Whether cleaning is needed too. Duct repair often turns up debris, dust, or a musty smell that means cleaning should happen at the same time. Bundling the access saves on labor.
- What brand and equipment is already in the home. We’re trained across Honeywell, Aprilaire, Abatement Technologies, and Guardsman equipment, which means we can work with the system you have instead of quoting around it.
Atmospheric conditions here don’t create the freeze problems you’d see in colder markets, but the long cooling season does mean the system runs hard. Ducts that leak in August are ducts that leak every August.
How to Save on Duct Repair & Sealing
The single biggest way to keep the cost down is to catch the problem before it spreads. A small leak at a joint, sealed early, is a fraction of the cost of a trunk line that’s separated and pulling attic air into the house.
- Get the estimate before the work. We give a written estimate up front. That number is the price, and there’s no surprise line item after the fact.
- Bundle cleaning with repair. If the system needs both, doing them at the same time saves the second trip and the second setup. Our air duct cleaning service pairs naturally with repair work.
- Ask about the dryer vent while we’re there. A clogged dryer vent is a documented residential fire hazard, and it’s a separate service we handle with the same specialist attention. If you’ve noticed the dryer taking longer to dry a load, that’s worth a look.
- Don’t wait on a musty smell. Odor usually means moisture or debris in the system. Addressing it early is cheaper than rebuilding what the moisture damages.
Estimates are free, and we answer the phone 24/7. Call (877) 358-4557 and we’ll schedule a look at the system.
Why a Duct Specialist Prices This Differently Than a General HVAC Company
General HVAC companies often price duct sealing as an afterthought, tacked onto a tune-up. That’s not how we work. Duct repair is one of our three core services, alongside cleaning and dryer vent cleaning, and our techs see duct systems every day. That focus means we know what to look for: the joint that looks fine until you put a hand on it, the run that’s disconnected behind the register boot, the flex that’s crushed under a joist. A specialist finds the actual problem, and finding the actual problem is what keeps the price honest. We’re not quoting around a system we don’t fully understand.
What Happens When You Call
You call (877) 358-4557, we ask a few questions about the home and the system, and we schedule an inspection. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. On site, we look at the accessible ductwork, check the joints, look for disconnected or crushed runs, and get a sense of whether the system needs cleaning alongside repair. Then you get a written estimate with the line items and the total. No pressure, no upsell on services we don’t offer. We only do air duct work: cleaning, dryer vents, and repair. That’s the whole scope.
FAQs – Duct Repair & Sealing Cost
How much does duct sealing cost in Fountain Valley?
Duct sealing in Fountain Valley typically runs $350 to $1,500, depending on whether it’s spot sealing at joints or a full system seal. Most homes fall in the $700 to $1,100 range. Call (877) 358-4557 for an exact quote. Estimates are free.
Is it cheaper to repair ducts or replace them?
Repair is almost always cheaper than replacement. Replacing ductwork means opening walls or ceilings in most homes and re-running every run. Repair and sealing, by contrast, work with what’s already there. For most Fountain Valley homes, a $500 to $900 repair solves the problem that a full replacement would cost several times more to address.
Can you repair ducts and clean them on the same visit?
Yes. Combining duct repair with cleaning is common and usually saves on labor, because the access and setup happen once. A repair-plus-cleaning job typically runs $900 to $1,800 in Fountain Valley. We use Rotobrush and Nikro equipment on both.
How do I know if my ducts need repair or just sealing?
Sealing fixes leaks at joints and seams. Repair is needed when a run is disconnected, crushed, or torn, or when the trunk line is damaged. The way to know is an inspection, and our inspection is part of the free estimate. Call (877) 358-4557 and we’ll tell you which one you’re looking at.
Do leaky ducts really cost me money in Fountain Valley?
Yes. Leaky ducts lose cooled air into the attic or crawl before it reaches the room, so the system runs longer to hit the thermostat setting. A $500 to $900 sealing job on a system with significant leaks often pays back over a few cooling seasons. The exact savings depend on how leaky the system is and how the home is used.
Contact Us for a Free Estimate
If you’ve noticed rooms that don’t cool evenly, a musty smell, dust settling faster than it should, or a system that seems to run constantly, the ductwork is worth a look. Call (877) 358-4557 for a free estimate. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday. We’re a specialist duct company serving Fountain Valley since 2013, and we’ll give you a written estimate with real numbers before any work starts.
Pricing reflects the Fountain Valley market as of 2026. Wellington Air Duct Cleaning offers free estimates – call (877) 358-4557.
What Our Customers Say
"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."
- Henry Chen"Fair price and thorough work. They ran about an hour and a half past the estimated finish time, so don't schedule anything tight after."
- Mark Meyer"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."
- Wade Bennett