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 Miami Gardens?
Duct repair and sealing in Miami Gardens typically costs $180 to $450 for a single leak, disconnected run, or localized repair, and $600 to $1,800 for a whole-system reseal on an average South Florida home. Larger repairs that involve replacing crushed flex runs or rebuilding a plenum box usually fall between $850 and $2,400 depending on how far the damage reaches. Every job is priced from a free written estimate, so those ranges are a starting point, not a bill.
Ductwork problems here tend to hide. A run that popped apart in an attic that hits 130 degrees in July doesn’t announce itself. You just notice the back bedroom never cools, or that the electric bill climbed again. Duct repair and sealing is the work of finding those breaks and closing them properly, and the price depends mostly on how many breaks there are and where they sit. At Oasis Air Duct we assess the whole system before we quote, because the visible leak is rarely the only one.
Key Takeaways
- Single-point repairs: $180 to $450. Whole-system reseals: $600 to $1,800. Larger rebuilds: $850 to $2,400.
- Price is driven by accessibility, the number of breaks, and the type of duct material, not by house size alone.
- Miami Gardens homes with attic-run flex duct are the most common repairable systems we see.
- Professional-grade equipment matters: Rotobrush rotary-brush systems and Nikro HEPA-filtered vacuums are what we bring, not consumer tools.
- Free estimates set the final price in writing before any work begins.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s how the numbers sort out for Miami Gardens jobs in 2026. Treat each line as an estimated range for that type of work, not a set fee.
| Work Performed | Typical Price Range |
|---|---|
| Diagnostic assessment and written report | Free with estimate |
| Single duct joint seal or minor leak repair | $180 – $320 |
| Disconnected run reconnected and sealed | $250 – $450 |
| Crushed or kinked flex duct replacement (per run) | $300 – $650 |
| Plenum box reseal or rebuild | $450 – $950 |
| Whole-system mastic and foil-tape seal (average home) | $600 – $1,800 |
| Multiple crushed runs plus partial trunk rebuild | $850 – $2,400 |
| Air duct cleaning before repair (recommended when debris is present) | $350 – $700 |
What pushes a job toward the top of those ranges? Attic runs in Miami Gardens tend to be flexible duct, and flex crushes and sags over years of heat cycling. When a crushed section has to come out, the labor goes up because the technician has to work around roof decking, insulation, and whatever else the builder tucked in. A tight crawl passage or a sealed attic adds time. So does a trunk line that has been patched before with duct tape that dried out and let go. A simple reconnection on an accessible run sits at the bottom of the range. A whole-system reseal in a larger home with long attic runs sits near the top.
If your ducts run alongside a dryer vent that hasn’t been serviced, that’s a separate line item and worth handling while the technician is already in the attic. We treat dryer vent cleaning as its own safety-critical service, not an upsell.
What Affects Duct Repair & Sealing Pricing in Miami Gardens
- Attic heat and access. Miami Gardens attics get brutally hot by mid-morning, and a technician working a long repair has to stage tools and materials carefully. A home with a walkable attic and a clear path costs less to work in than one where the only access hatch is in a closet under a low roof pitch.
- Flex duct condition. Most Miami Gardens homes built from the 1970s onward have flexible insulated duct in the attic. Flex is fast to repair when it’s just a joint, but it crushes, tears, and sags. Replacing a run costs more than resealing one, and a system with five bad runs costs more than a system with one.
- Number of leaks and disconnected joints. A single break is a single-point price. A system where three or four runs have separated from the trunk is a whole-system reseal. The count matters more than square footage.
- Duct material. Sheet metal trunks and rigid boards take longer to reseal correctly than flex. They also hold up better once sealed, so the trade-off is worth knowing.
- Whether cleaning comes first. If the repair reveals heavy debris, dust, or post-construction grit, cleaning the system before sealing it keeps the new work from getting fouled. That adds to the ticket but protects the repair.
- Post-storm and roofing work. South Florida storms and roof replacements can crush attic runs or knock them loose. When the damage is recent and clearly storm-related, the estimate is usually more straightforward than when years of slow degradation have piled up.
One factor that surprises homeowners: the repair is often the cheaper half of the decision. Sealing leaky ducts can meaningfully reduce the load on the air handler, which is the part that costs money to run every month. We don’t promise a specific savings figure, because it depends on the system and the home. But a tight duct system is doing less work than a leaky one. That much is always true.
Why Equipment Matters on a Miami Gardens Duct Repair
Duct repair and sealing is not a cleaning job with a wrench added. It’s diagnostic work that depends on seeing the whole system. We use Rotobrush rotary-brush systems and Nikro HEPA-filtered vacuum equipment, the same professional platforms remediation contractors rely on, because consumer-grade tools can’t tell you what’s actually happening inside a duct run. When a heavily contaminated system has to be opened up for repair, Abatement Technologies filtration equipment lets us contain and filter the air during the work, which matters in a home with family members who have asthma or allergies.
We also work with Honeywell and Aprilaire product lines. That’s relevant to a repair quote because sometimes the right fix isn’t just sealing a leak. A whole-home filtration or ventilation component can be integrated at the same time, and we can recommend the specific product rather than guessing. We don’t install HVAC systems or handle mold remediation, and we won’t pretend to. Our scope is air duct cleaning, dryer vent cleaning, and air duct repair. That’s it, and it’s enough to fix the duct problem completely.
For a fuller picture of our air duct repair service, and a walk-through of how a duct cleaning visit is structured, those pages cover it in detail.
How to Save on Duct Repair & Sealing
The biggest saving isn’t a discount, it’s finding all the leaks at once. A return visit for a second disconnected run months later costs more than sealing both while the technician is already in the attic. Ask for a full assessment, not a single-leak quote.
- Get the estimate in writing before work starts. The written estimate is the price. Free estimates are standard with us: call (833) 384-3692.
- Combine services when it makes sense. If cleaning and repair are both needed, doing them in one visit saves a second dispatch and keeps the system consistent.
- Address small tears early. A small torn joint is a quick fix. Left alone, the tear grows, the flex sags, and the run eventually needs full replacement.
- Ask what caused the break. A crushed run from a roofing job or an attic remodel is a one-time event. Repeated joint separations on a flex system usually point to a design issue worth knowing about before it becomes a habit.
- Get a second estimate on large jobs. On anything over $1,000, it’s fair to compare. Ask what equipment and what sealing method each contractor will use, and listen for whether they name platforms you can look up yourself.
We’re a specialist shop, not a general contractor. If your job is a straightforward single-joint seal, we’ll tell you that. If it’s a full-system reseal on a 1990s Miami Gardens home with five crushed runs, we’ll tell you that too, and put it in writing.
How Long Does Duct Repair Take, and Can It Be Done Same Day?
Most single-point duct repairs take two to four hours, and a whole-system reseal typically runs a full day. Many simple repairs can be scheduled same-day when you call early, and our fast dispatch from 7am to 7pm, Sunday through Friday, gives you a predictable window. Call (833) 384-3692 for a same-day slot.
Larger repairs that require replacing multiple runs or rebuilding a plenum sometimes need a return visit, because materials have to be sized and staged correctly. We’ll tell you at the estimate stage what to expect so you can plan.
FAQs – Duct Repair & Sealing Cost
How much does duct repair cost in Miami Gardens?
Duct repair in Miami Gardens costs $180 to $450 for a single-point fix and $600 to $1,800 for a whole-system reseal, with larger rebuilds running $850 to $2,400. The written estimate sets the final price. Call (833) 384-3692 for a free estimate.
Is duct sealing worth the money in Miami Gardens?
Yes, in most homes, because leaky ductwork means the air handler runs longer to cool the same rooms. Sealing a system typically pays back over time through lower cooling demand, though we don’t quote a specific savings percentage because it varies by home. Call (833) 384-3692 and we’ll assess whether sealing is the right call for your system.
Why is my ductwork leaking in Miami Gardens?
Most leaks in Miami Gardens come from flex duct joints that separate under attic heat cycling, crushed runs from roof work or remodeling, and dried-out mastic or tape at trunk connections. A technician can identify the cause in one visit. Call (833) 384-3692 to schedule a free assessment.
Are you open on weekends?
We’re closed Saturday and open Sunday through Friday, 7am to 7pm. We answer the phone 24/7, and a call outside dispatch hours is booked into the next opening, Sunday through Friday. For a Sunday appointment, call (833) 384-3692 and we’ll get you on the schedule.
Do you offer free estimates for duct repair in Miami Gardens?
Yes, every duct repair and sealing estimate is free and given in writing before any work starts. There’s no service-call fee and no obligation to proceed. Call (833) 384-3692 to book one.
Can you fix ductwork that another company won’t touch?
Often, yes. Duct-cleaning-only companies frequently ignore or outsource repair work, and we see systems where a crushed run or disconnected trunk was left in place. We assess and repair the full duct system ourselves, using Rotobrush and Nikro equipment. Call (833) 384-3692 to describe what you’re seeing.
Get a Free Duct Repair Estimate in Miami Gardens
If your ducts are leaking, crushed, or disconnected, the cost to repair is usually less than another summer of an overworked system. We serve Miami Gardens and the surrounding neighborhoods, and we’ve been doing this work since 2013. Our technicians bring professional-grade equipment, assess the whole system, and quote the job in writing. Call (833) 384-3692. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Not sure whether you need repair, cleaning, or both? That’s a normal question, and the assessment answers it. We clean it. We repair it. We clear it. You’ll know exactly what’s wrong and what it costs before anyone touches a duct. Learn more about Miami Gardens and what duct work in this city looks like.
Pricing reflects the Miami Gardens market as of 2026. Oasis Air Duct offers free estimates – call (833) 384-3692.
Written by the team at Oasis Air Duct, serving Miami Gardens since 2013.
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."
- Craig Norris"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."
- Andre Carter"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."
- Maurice Prince