Whole-home duct cleaning
Dryer vent cleaning
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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.
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- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
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Before
AfterHow Much Does Duct Repair & Sealing Cost in Palm Coast?
Duct repair and sealing in Palm Coast typically costs $250 to $450 for a single failed joint or short run, $450 to $900 for a section replacement, and $1,000 to $2,500 or more for a whole-house sealing and repair job. Most homes we quote land in the middle of those bands once we’ve traced the actual leaks. The written estimate sets the final price, and the estimate itself is free.
Leaky ducts are quiet money. In a Florida home where the air handler lives in the garage or a closet and the attic runs 130 degrees in July, every gap in the supply trunk costs you twice: once in the energy bill, and again in comfort, because the air you paid to cool never reaches the bedroom. Here’s what the work costs in Palm Coast, what drives those numbers, and what you should expect before anyone opens up a duct.
Key Takeaways
- Single-joint repair and resealing: roughly $250 to $450.
- Replacing a damaged section of flex or duct board: roughly $450 to $900.
- Full whole-house sealing and repair: roughly $1,000 to $2,500, more in larger two-story homes or homes with a zoned system.
- Most Palm Coast homes built before 2010 have at least one duct run in the attic that’s sagging, disconnected, or crushed – and that’s before anyone looks at the trunk.
- Our technicians have up to 15 years of experience, and we use Rotobrush contact-cleaning equipment plus Nikro and Abatement Technologies extraction, so a repair visit can start with a proper look at what’s actually in the system.
Duct Repair & Sealing Cost Breakdown (2026)
The ranges below reflect typical 2026 pricing in the Palm Coast market. They’re estimates, not quotes, because a job that starts as one loose joint sometimes turns into a section replacement once the duct is opened up. The written estimate is what you pay.
| Work | Typical Range | What’s Typically Included |
|---|---|---|
| Re-sealing one disconnected or leaking joint | $250 – $450 | Foil-tape removal of failed mastic, clean, apply mastic and mesh, pressure check |
| Replacing a section of flex duct (roughly 10-20 ft) | $450 – $900 | New R-rated flex, hangers, insulated boot, sealed connections |
| Replacing a damaged trunk or plenum | $700 – $1,500 | Duct board or sheet metal, sealed seams, taped and mastic’d |
| Sealing all accessible joints and boots | $400 – $800 | Mastic at every joint, boot, and takeoff; visual inspection of the full run |
| Whole-house duct sealing and repair | $1,000 – $2,500 | Full inspection, sealing at all joints, repair or replacement of failed sections, a re-check |
| Duct cleaning combined with repair visit | $550 – $1,300 | Contact cleaning with Rotobrush plus the repair work done on the same visit |
The single biggest driver is how much of the duct system is accessible. In Palm Coast homes, the air handler usually sits in the garage, a closet, or the attic, and the supply trunk often runs through the attic before it drops into the ceilings. Attic duct work is where the repairs concentrate because the duct is exposed to the most heat and the most flex – summer attic temperatures soften flex duct, and hangers that were tight in 2005 are often sagging by 2025. If a repair is in the attic, it takes longer, and that’s reflected in the price.
The second driver is whether the whole system is leaking or just one spot. A single boot that pulled loose from the ceiling box is a small job. A trunk that’s been leaking at six joints for a decade is a different job. That’s why we always quote one price for what we can see through the register and a second price for what we find after the first access panel comes off – so there are no surprises mid-job.
What Affects Duct Repair & Sealing Pricing in Palm Coast
No two duct systems in Palm Coast look alike. Here’s what actually moves the number up or down:
- Access and location. Duct in an attic or a crawlspace costs more to reach than duct in a utility closet. Palm Coast homes built through the 1990s and 2000s often have long attic runs that need a second technician on a hot day to keep the work safe and steady, and that time is in the price.
- Duct material. Flex duct is the fastest to replace and the cheapest. Duct board and sheet metal take more time and skill, so repairs to a metal trunk cost more than a straight flex swap of the same length.
- How many leaks are found. A single joint is one line item. A full-house sealing job touches every supply boot, every return, and every takeoff on the trunk – and each one has to be sealed with mastic, mesh, or both, not just tape.
- Contamination and debris. If the duct is loaded with drywall dust from a renovation or pet hair from years of buildup, sealing a joint without cleaning the interior just traps the problem. Our branded approach – Rotobrush contact-cleaning systems, plus Nikro and Abatement Technologies extraction – means we can clean and repair on the same visit rather than asking you to book a second company.
- System size and zoning. A 1,500-square-foot single-zone home in the B-section costs less to seal than a 3,000-square-foot two-story with a zoned system and two air handlers. More duct, more boots, more time.
- Filtration and air quality add-ons. If you want a filter upgrade while we’re there, we carry Honeywell, Aprilaire, and Guardsman product lines, so a higher-MERV filter or an air-cleaner cabinet can be added in the same appointment instead of a separate call.
What Does a Duct Repair and Sealing Job Actually Involve?
The visit starts with a look and a listen: where the system loses pressure, where the dust comes from, and where the air doesn’t arrive. We check the supply trunks, boots, takeoffs, and returns, and we look at the air handler closet or garage where the system starts. If the ducts are visibly dirty or you’ve had a recent renovation, we run the contact-cleaning process first so that we’re sealing clean duct, not sealing a mess in place.
Sealing is the quiet part of the job. Failed tape is removed, joints are cleaned, and mastic and mesh are applied at every accessible gap. We re-hang sagging flex so it runs straight instead of drooping, because a crushed flex run can lose more airflow than an unsealed joint ever will. Any section that’s torn, crushed, or water-damaged gets cut out and replaced. Once the work is done, we run the system and check that airflow at the registers is what it should be.
That last step matters more in Florida than in most places. Ducts in a Palm Coast attic sit in a space that gets brutally hot for months, and any break in the duct envelope turns the attic into a second air handler – pulling hot, humid attic air into the living space and pushing your AC to work harder to keep up. Sealing the envelope is the difference between an AC that keeps the house at 74 in August and one that runs all afternoon and still doesn’t.
Why repairs are cheaper as a combined visit
We offer air duct repair as a standalone service, which means a problem found during cleaning can be fixed on the same visit. That’s not just a convenience. A repair-only call after a separate cleaning visit means an extra dispatch, an extra setup, and an extra charge for the same trip. Combining them typically saves you a few hundred dollars over booking separately. If you’re planning duct cleaning Palm Coast anyway, ask for the repair to be quoted at the same time.
Can You Seal Ducts in a Palm Coast Home Without Replacing Them?
Yes. In most cases, the duct system is repairable, not replaceable. The supply trunk and flex runs in a typical Palm Coast home built between 1995 and 2015 are usually sound – the failures are at joints, boots, and takeoffs, and at the connections where flex meets the boot or the trunk. Sealing those connections and replacing crushed or torn sections fixes airflow in most homes without touching the rest of the system.
Duct replacement becomes the right call when the trunk itself has failed, when the duct is lined with microbial growth that cleaning can’t remove, or when the system has been designed so poorly that patching it will never produce balanced airflow. That’s a conversation, not an upsell. The estimate will explain which one you’re looking at, and you can weigh it from there.
How to Save on Duct Repair & Sealing in Palm Coast
The best savings come from catching the problem before it cascades. A single unsealed joint that pulls in hot attic air makes the AC work harder, and a harder-working AC eventually turns into a compressor call that costs many times what the duct repair would have. Here’s how to keep the number down:
- Combine cleaning and repair into one visit. One dispatch, one setup, one inspection. If you already suspect dust or debris, clean and repair together.
- Let us see the whole system before deciding. A quoted repair based on one visible joint sometimes hides two more behind the next register. Getting the full picture first avoids a second visit.
- Fix the easy stuff while the ducts are open. Boot sealing and register gaskets cost very little once we’re already in the attic or closet. Ask for them in the same estimate.
- Address filtration at the same time. If your filter is undersized or collapsing in the return, upgrading to a Honeywell or Aprilaire setup now saves you from a return-air restriction that will shorten the life of the blower.
- Get the estimate in writing before the work starts. We quote per job, in writing, before anyone touches a hanger. Call (855) 592-3509 for a free estimate – we’ll tell you what we see and give you the number to fix it.
Does Duct Sealing Lower Energy Bills in Palm Coast?
It usually does, though how much depends on how leaky the system was to begin with. In a home where the supply trunk is losing a meaningful share of its air into a hot attic, sealing can bring the summer electric bill down noticeably. The more direct wins are comfort and humidity: rooms that never got enough air start getting it, and the system runs shorter cycles because it’s not fighting its own leaks. We can’t promise a percentage, and no one honestly can without measuring the system first. What we can do is show you where the leaks are before you decide.
The same logic carries into the rest of the home’s air pathway. A sealed duct system feeds a cleaner filter, which helps allergy sufferers and pet owners in the same house. If you’re working through air quality room by room, the duct envelope is the first place to start. Learn more about how we approach Palm Coast homes and what a full inspection looks like before you commit to any pricing.
Can You Fix a Crushed or Disconnected Duct the Same Day?
In many cases, yes. A disconnected boot, a collapsed flex run, or a joint that’s come apart can often be repaired on the first visit. The work is straightforward once the duct is accessible: cut out the failed section, install new flex or duct board, seal the connections, re-hang straight, and check airflow. What we can’t promise is same-day completion on a whole-house job that turns up multiple failed runs – that’s a scheduled job, and the estimate will tell you how long it will take.
We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. If your AC is short-cycling or you’ve noticed a room that never cools, call and we’ll get a technician out to look at the duct system and give you a written estimate.
Should You Repair Ducts Before or After Cleaning?
Clean first, then repair, in most cases. A duct interior that’s loaded with drywall dust or pet hair needs the debris removed before sealing, or you’re sealing contaminants into the system. Our process uses Rotobrush contact cleaning that brushes the duct walls, followed by Nikro and Abatement Technologies extraction, so the interior is clean before mastic and new flex go in. If the duct is already clean, we go straight to repair. Either way, it’s one visit and one estimate.
FAQs – Duct Repair & Sealing Cost
How much does duct repair cost in Palm Coast?
Most duct repair jobs in Palm Coast fall between $250 and $900, depending on whether the work is a single joint or a section replacement. Whole-house sealing and repair typically runs $1,000 to $2,500. Call (855) 592-3509 for a free estimate – the price on the written estimate is the price you pay.
Is it cheaper to repair ducts or replace them?
Repair is almost always cheaper than replacement when the trunk and flex runs are structurally sound. A repair job at $250 to $900 is a fraction of what full duct replacement costs, and most Palm Coast homes have repairable systems. Replacement becomes the right conversation when the trunk has failed or the system is so poorly designed that patching won’t fix airflow. The estimate will tell you which one applies.
Can you come today for a duct repair?
Yes, in many cases. A disconnected joint, a crushed flex run, or a torn boot can often be repaired the same day the call comes in. Larger jobs that involve multiple failed runs get scheduled after the estimate. Call (855) 592-3509 – we answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
How long does duct sealing take?
A single-joint repair usually takes about an hour. A whole-house sealing job typically takes a half day, sometimes longer in a larger two-story home or one with a zoned system. We’ll tell you the timeframe in the estimate, so you can plan around it. Call (855) 592-3509 for a free estimate and a realistic timeframe.
Do you clean the ducts before repairing them?
Yes. Cleaning before repair is standard practice. Rotobrush contact-cleaning systems brush debris from the duct walls, and Nikro and Abatement Technologies extraction pulls it out before any new flex or mastic goes in. Cleaning and repair in one visit is cheaper than booking them separately, and it means we’re sealing a clean system instead of a dirty one. Call (855) 592-3509 for a combined estimate.
Does duct sealing help allergies?
It usually helps. Sealing the duct envelope stops attic air, insulation dust, and outside debris from getting pulled into the supply air. Combined with a filter upgrade – Honeywell, Aprilaire, and Guardsman lines are available – it’s one of the more direct air-quality measures a homeowner can take. Call (855) 592-3509 for a free estimate if you want the full picture.
What Else Should You Know Before You Book?
Duct repair and sealing is one of three services we focus on, along with air duct cleaning and dryer vent cleaning. We don’t do general HVAC repair, and we won’t quote for work outside that scope. If the technician opens up a duct and finds a problem that needs a different contractor, you’ll hear it from us plainly. That’s part of why the estimate is free: you should know what you’re buying before you say yes.
One more piece worth mentioning, since it comes up on almost every visit: dryer vent cleaning addresses a leading cause of residential fires, and the U.S. Fire Administration links thousands of residential fires annually to clogged dryer vents. If your dryer is running long or the outside vent is producing little airflow, that’s worth a check in the same appointment as your duct work. It’s not the same system, but it’s the same category of problem: a pathway that’s supposed to move air, and doesn’t.
Get a Written Estimate for Your Palm Coast Duct Repair
Whatever you’ve noticed – a room that never cools, a dust film on the ceiling near the register, or a system that runs long on a July afternoon – the next step is a look. Call (855) 592-3509 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. You’ll get a written price per job, not a range with a shrug, and our technicians have up to 15 years of experience working with the Rotobrush, Nikro, and Abatement Technologies equipment that makes a clean, sealed system actually happen.
Pricing reflects the Palm Coast market as of 2026. Duct Cleaning Palm Coast offers free estimates – call (855) 592-3509.
Written by the team at Duct Cleaning Palm Coast.
What Our Customers Say
"Ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit down the road uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."
- Scott Kowalski"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."
- Doug Whitaker"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Tracy Bennett