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 San Jacinto?
Duct repair and sealing in San Jacinto typically runs $300 to $1,400 for a single-story home, with most jobs landing in the $450 to $850 range. Small repairs like a disconnected flex run or a resealed plenum can come in under $400. Whole-house sealing with significant crawl space or attic work pushes toward the top of the range. The price swings mostly on duct accessibility, how many leaks we find, and whether we’re working with flex, sheet metal, or ductboard.
We give free estimates in San Jacinto, so you’ll know the real number before any work starts. Call (866) 569-6948 to schedule one.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s what the line items actually run in the San Jacinto market this year. Every job is different, but these ranges hold up across the single-family homes and small rentals we see from the Valle Vista area down through the flats along State Street.
| Service | Typical Price Range | Notes |
|---|---|---|
| Diagnostic / duct inspection | $75 – $150 | Often waived or credited toward repair work |
| Reconnect a single disconnected duct run | $125 – $275 | Per run, flex or sheet metal |
| Patch / repair small flex or ductboard tears | $150 – $350 | Depends on access |
| Seal accessible joints with mastic | $300 – $700 | Attic and crawl space runs |
| Full accessible-duct sealing (whole home) | $600 – $1,300 | Mastic or aerosol depending on condition |
| Replace a damaged duct run (flex) | $250 – $550 | Per run, material included |
| Replace an entire trunk line or major section | $800 – $2,000 | Sheet metal fabrication included |
| Reroute or reconfigure a run | $350 – $900 | When old routing blocks airflow or space |
| Aerosol sealing (whole home) | $1,200 – $2,500 | Best for hard-to-access systems |
| Post-repair duct cleaning | $250 – $500 | Removes debris dislodged during repair |
A few things push the price up. Attic and crawl space access matters first. San Jacinto homes with tight, low-clearance attics (common in the older tracts near the downtown grid) take longer to work in than a newer build with a clean walk-in attic. Second is material. Replacing a flex run is straightforward; fabricating a sheet-metal transition or a custom plenum is not. Third is how bad the leakage actually is. One disconnected register is cheap to fix. A whole trunk line that’s come apart at every joint takes hours. Fourth is whether the system has been contaminated by the repair (clogged debris, construction dust, or a pest or rodent issue) and needs cleaning afterward. Post-repair cleaning isn’t optional upsell – it keeps loosened debris from blowing back into your living space.
When a repair is cosmetic (a torn inner liner we can patch) versus structural (a crushed run that has to be replaced), the price can swing by several hundred dollars. That’s why we inspect before we quote. For a full rundown of what the service involves, see our Duct Repair & Sealing in San Jacinto page.
What Affects Duct Repair & Sealing Pricing in San Jacinto
- Duct location and access. Attic runs in a low-pitch San Jacinto roof take more time than crawl space or garage runs. Access alone can add 20% to 35% to labor. Homes along the foothill streets near the Soboba reservation edge often have unusually tight attic spaces, and that shows up in the quote.
- Duct material. Flex duct is fastest to repair or replace. Sheet metal costs more because it needs fabrication. Ductboard sits in between but is prone to sagging and moisture damage in this climate, which affects how much you replace.
- How many leaks we find. The $300 to $450 jobs usually involve one or two problem spots. Whole-house sealing priced at $900 to $1,300 reflects sealing dozens of joints plus reinforcing hangers and re-taping every register boot.
- Extent of hidden damage. Rodent intrusion, crushed runs from remodeling, or a previous “repair” done badly can turn a simple job into a multi-run replacement. In the rental-heavy pockets around San Jacinto, we sometimes find older patch jobs that need to be undone before they can be fixed properly.
- Whether the system is integrated with an IAQ platform. Homes with a Honeywell or Aprilaire whole-home air cleaner or humidifier connected to the ductwork need extra care during repair. We’re compatible with those systems and know how to work around them without disturbing the equipment.
- Post-repair cleaning. Any job that disturbs ductwork dislodges debris. Cleaning afterward with professional equipment (we use Rotobrush rotary brush systems and Nikro HEPA-rated vacuums) keeps the repair from sending dust through your registers for weeks.
The Inland Empire climate plays a role too. San Jacinto summers hit triple digits for stretches, and the temperature swing between a 110-degree attic and a 75-degree living room is brutal on flex duct and its tape. That’s why duct sealing in San Jacinto fails faster than in milder markets. If you’ve had a repair done in the last few years and it’s already coming apart, temperature cycling is a likely reason.
How to Save on Duct Repair & Sealing
You can’t control everything, but there are real ways to bring the number down.
- Bundle repair with cleaning. If your ductwork is due for cleaning (and it often is after a repair), doing both in one visit is usually cheaper than two separate appointments. It also saves you a second trip charge.
- Get an inspection before choosing who does the work. A reputable contractor inspects, gives you the repair scope, and quotes it in writing. If someone quotes a fixed price without looking at your attic, the number is a guess.
- Address small leaks before they grow. Resealing a handful of joints at $300 to $500 is far cheaper than replacing runs that failed because a leak went unaddressed for years.
- Ask for the leak map. A good inspection tells you which runs are leaking and how much. That lets you decide whether to do the whole system or start with the worst offenders and plan the rest.
- Take advantage of free estimates. We provide them, and there’s no pressure to book on the spot. Call (866) 569-6948 to schedule yours.
One thing to watch: the cheapest quote isn’t always the cheapest job. If someone offers to seal your whole system for $150, you’re probably getting tape over the most obvious joints (which will peel within a year in San Jacinto heat) and nothing else. Mastic, clamps, and hangers cost money. A fair quote includes them.
FAQs – Duct Repair & Sealing Cost
How much does duct sealing cost in San Jacinto?
Most San Jacinto homeowners pay $600 to $1,300 for accessible-duct sealing. Aerosol sealing for hard-to-access systems runs $1,200 to $2,500. Single-joint repairs start around $300. Call (866) 569-6948 for an exact quote – estimates are free.
Is it cheaper to repair or replace my ductwork?
Repair is almost always cheaper when the ducts are intact and just leaking. A $400 repair is far less than $3,000 to $6,000+ for replacing the whole system. Replacement makes sense when multiple runs are crushed, the trunk line is falling apart, or there’s significant contamination. An inspection tells you which side of that line your system is on. Call (866) 569-6948 to find out.
How long does duct repair and sealing take?
Most jobs are done in three to six hours. Small single-run repairs finish in under two hours. Whole-house sealing with crawl space or attic work can take a full day. If you’re bundling repair with cleaning, plan for most of the day. We’ll give you a realistic time estimate up front.
Can you come today?
Often, yes – we book same-day appointments when the schedule allows, and free estimates can usually be scheduled within a few business days. Call (866) 569-6948 to check availability. If your system is blowing hot air or a register is disconnected, tell us – we’ll prioritize it.
Does duct sealing really lower my energy bill?
Leaky ducts waste anywhere from 20% to 30% of the air your system produces, based on U.S. Department of Energy figures. Sealing the accessible leaks can cut that waste significantly. San Jacinto homeowners often see a noticeable drop in summer cooling costs, especially in homes with consistently hot back bedrooms. We don’t promise a dollar figure – too many variables – but the airflow improvement is real. Call (866) 569-6948 to schedule an inspection.
Why San Jacinto Homeowners Call Us for Duct Repair
A duct repair is only as good as the equipment that supports it. We bring professional-grade gear to every job: Rotobrush rotary brush systems for mechanical agitation, Nikro HEPA-rated vacuums for verified debris capture, and Abatement Technologies air scrubbing and containment for higher-contamination environments (post-construction, mold-adjacent, or rodent-affected systems). Where a generalist might show up with a shop vac, we show up with equipment built for the job.
We also work with Honeywell and Aprilaire whole-home air quality systems, which means we understand how your ductwork integrates with the equipment tied to it. That matters during repair. A technician who doesn’t know the IAQ setup can create problems while fixing a leak. We don’t.
Our three-service scope keeps things focused. Air Duct Cleaning, Dryer Vent Cleaning, and Air Duct Repair. That’s it. We’re not a generalist HVAC outfit. We’re a specialist in the ductwork itself. Whether you’re in San Jacinto or nearby, the same professional-grade equipment and method come with us. If you’re curious about the broader service, start at our home page and go from there.
We also take airflow safety seriously. A crushed or disconnected duct is a comfort problem, but a badly sealed gas flue or a dryer vent packed with lint is a real hazard. If we ever find a dryer vent issue during a duct visit, we’ll flag it – it’s not a sales pitch, it’s a fire-safety concern worth addressing. That’s part of why we run dryer vent cleaning as a dedicated service line.
Schedule Your Free Estimate
If your ductwork is leaking, disconnected, or just acting odd, the fastest way to get a real number is to call. We inspect, explain what’s wrong, and quote the repair in writing. No surprise line items, no upsell pressure. Call (866) 569-6948 to book your free estimate in San Jacinto today.
We serve San Jacinto and the surrounding Inland Empire area with professional duct repair, cleaning, and dryer vent service. If you’ve been comparing quotes, we’ll always walk you through exactly what’s in ours and why. That’s how we’d want it if we were on your side of the call.
Pricing reflects the San Jacinto market as of 2026. Duct Cleaning San Jacinto offers free estimates – call (866) 569-6948.
What Our Customers Say
"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."
- Robert Sullivan"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Brandon Tran"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."
- Riya Shah