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 Miramar?
Duct repair and sealing in Miramar typically costs $350 to $1,500 for most residential homes, with smaller sealing jobs near $275 and larger repair-and-replace projects running $2,000 or more. A single disconnected flex run usually runs $150 to $350, while sealing an entire attic distribution system falls in the $600 to $1,200 range. Every job is priced per home from a written estimate after we inspect the actual ductwork, so the number you receive is the number you pay.
Key Takeaways
- Most Miramar homeowners spend $350 to $1,500 on duct repair and sealing combined.
- Leaking ducts in South Florida’s humid, air-conditioned homes silently raise electric bills and pull damp attic air into living space.
- We clean it, and if it’s broken, we fix it – repair is part of the same visit as cleaning.
- Our technicians have up to 13 years of experience and use Rotobrush contact-cleaning systems with Nikro negative-pressure extraction.
- Estimates are free. Call (877) 583-7369 to book one.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s how the line items usually break down for a Miramar home. These are typical ranges for the local market, not exact quotes.
| Work Item | Typical Cost Range |
|---|---|
| Diagnostic inspection of duct system | Included in free estimate |
| Sealing a single disconnected or loose joint | $150 – $350 |
| Mastic sealing of accessible joints and seams | $275 – $600 |
| Aerosol or brush-applied sealant for the full distribution system | $600 – $1,200 |
| Replacing a damaged flex duct run | $200 – $450 per run |
| Replacing rigid sheet-metal trunk or branch section | $400 – $900 |
| Repair of crushed or kinked flex duct in attic | $250 – $500 |
| Duct cleaning plus repair and sealing bundle | $500 – $1,800 |
| Full duct replacement, smaller home | $1,500 – $2,500 |
| Full duct replacement, larger home with multiple zones | $2,500 – $4,500 |
What pushes a job toward the higher end? Attic access that requires navigating tight trusses and insulation, duct runs tucked into soffits or behind drywall, and multiple zones each needing their own seal check. A home with a single central air handler and open attic access typically lands in the lower half of each range. When we also find damaged insulation wrapping the ducts, replacing that adds cost but pays it back in reduced heat gain through the attic.
We use Abatement Technologies containment and HEPA filtration during service, so the work area stays controlled while ductwork is opened. That’s a safeguard borrowed from remediation work, not something most residential duct cleaners offer. The equipment matters when the ducts are being repaired, because opening a system in a South Florida attic stirs up dust, insulation fibers, and whatever else has settled in the runs.
What Affects Duct Repair & Sealing Pricing in Miramar
Miramar’s climate does specific things to ductwork that shape the price. Summers here push air conditioning to run for months on end, and duct systems hold up differently in a home that’s cooling year-round than in a house that gets a seasonal break. Here’s what drives cost:
- Attic heat and humidity. Miramar attics reach punishing temperatures, and the temperature difference between the attic and the cooled duct runs stresses seals and flex connections. Ducts that run through a hot attic lose efficiency at every leak, and the more leaks we find, the more sealing work the job involves.
- Flex duct vs. rigid duct. Much of the housing stock across Miramar, from the older neighborhoods near Historic Miramar to newer construction out toward Sunset Lakes, uses flex duct. Flex is cheaper to replace per run but easier to crush, kink, or tear. Rigid metal duct costs more per section to repair but holds up better over time.
- Accessibility. Ducts buried under blown insulation, routed through soffits, or wedged behind finished walls take longer to reach and seal. Open attic access keeps a job in the lower range.
- Number of leaks and disconnected runs. One loose joint is a quick fix. A system with several disconnected runs, crushed sections, and gaping seams at the air handler is a fuller repair job.
- Whether cleaning comes first. Sealing over dirty ductwork traps debris and doesn’t solve the air quality problem. When we combine contact cleaning and negative pressure extraction with repair, sealing, and filtration upgrades, the combined job is priced lower than doing each separately.
- Filtration and air-handler upgrades. We stock and service Honeywell and Aprilaire air-quality systems. If your return-side filtration is undersized or the filter cabinet is leaking, correcting it during the visit changes the price but fixes a source of unfiltered air getting into the system.
Humidity is the other factor people underestimate. In a Miramar home, every gap in the duct system is a path for hot, damp attic air to enter the cooled stream. That’s not just an energy penalty. It’s moisture where you don’t want it, and it’s one of the reasons we treat sealing as part of the air pathway rather than a cosmetic fix.
What a Duct Repair and Sealing Visit Actually Involves
Understanding the process helps you sanity-check any estimate you receive, from us or anyone else. Here’s how a typical job goes:
- Inspection. We map the distribution system, check static pressure, and look for disconnected joints, crushed flex, torn insulation, and gaps at the air handler and register boots. This inspection is included in the free estimate.
- Containment. Abatement Technologies equipment goes up to control dust and filter the air where the system is opened, keeping debris out of your living space.
- Contact cleaning. Rotobrush rotary brushes agitate the duct walls while Nikro negative-pressure HEPA vacuums pull the loosened debris out, so it’s removed rather than pushed back into the rooms.
- Repair. Disconnected runs get reconnected. Crushed or torn flex gets replaced. Damaged rigid sections get repaired or swapped out. Insulation that’s been compromised gets redone.
- Sealing. Joints, seams, and boots are sealed so the system holds pressure and stops pulling attic air. We verify with a pressure check before we call the job done.
- Filtration review. If your system can benefit from a Honeywell or Aprilaire filter upgrade, we’ll walk you through the options while we’re there.
One safety point: duct repair and sealing don’t involve gas lines or high-voltage work in most cases, but the air handler is electrical and any work near it should be done by a trained technician with the power properly handled. We never ask a homeowner to open a duct system or reach into an air handler themselves. That’s what the equipment and the training are for.
If you’ve noticed your dryer taking longer than it used to, that’s a separate but related item. We treat dryer vent cleaning as a fire-safety service, not a convenience add-on, and use the same professional tooling on those vents that we use on the duct system. A clogged dryer vent is a leading cause of residential house fires, and it’s worth a look while we’re on site.
How to Save on Duct Repair & Sealing
There’s no coupon here, just practical choices that keep the total down:
- Combine cleaning with repair. If your ducts are due for a clean and have damage, doing both in one visit costs less than two separate appointments and two separate mobilization charges.
- Fix leaks before they spread. A single disconnected flex run that costs $200 to $350 to repair can, if ignored, stress the rest of the system and lead to more sealing work later. Small fixes stay small.
- Improve filtration at the air handler. A properly sized filter cabinet means less debris gets into the system in the first place, which stretches the time between cleanings and keeps the ducts cleaner longer.
- Ask for the line-item estimate. A written estimate that itemizes the work lets you see exactly what you’re paying for and decide what to prioritize if you’re spreading the work across visits.
- Book the free estimate. Call (877) 583-7369. We’ll inspect the system, explain what we find, and put real numbers in front of you before any work starts.
One more note: if you’re comparing bids, ask what equipment the other company uses. Blow-and-go cleaning without containment or negative pressure can leave your home dirtier than it started, and repair work without proper sealing verification may not actually solve the leak you’re paying to fix. The equipment is the difference between a thorough job and a superficial one.
Why Duct Repair Matters More in Miramar Than People Realize
Miramar homes lean on their air conditioning for most of the year, and that means every leak and disconnected run in the duct system runs constantly. A duct system that’s losing cooled air into the attic is one more reason a summer electric bill climbs. Sealing the system recovers that cooling, which is why we treat repair and sealing as energy work, not just comfort work.
We cover duct cleaning miramar as a full indoor-air-quality service with the same two-stage method, and it pairs naturally with repair: clean the system, seal it, and verify it holds pressure. That’s the whole air pathway from the return to the registers, handled in one coordinated visit by the same trained crew rather than split between subcontractors who don’t talk to each other.
If you’re working across a broader area, our Miramar service page lays out the local specifics, and the main Duct Cleaning Miramar page explains the full service lineup. Homeowners and property managers across the city use our three service lines – air duct cleaning, dryer vent cleaning, and air duct repair – knowing a single trained crew handles diagnosis and fix without outsourcing the repair to someone else. If you’ve got a second property or manage units across the region, it also helps to know we handle residential duct cleaning work the same way whether it’s a single-family home or a light commercial space.
FAQs – Duct Repair & Sealing Cost
How much does duct sealing cost in Miramar?
Sealing a full residential duct system in Miramar typically costs $600 to $1,200, while a partial seal of accessible joints runs $275 to $600. The number depends on how many leaks we find and how accessible the system is. Call (877) 583-7369 for a free estimate and a written quote.
Is it cheaper to repair or replace damaged ducts?
In most cases repair is cheaper: fixing a disconnected run or a crushed flex section runs $150 to $500, against $1,500 to $4,500 for a full replacement. Replacement only makes sense when the duct system is broadly deteriorated or undersized for the home. An inspection tells you which side of that line you’re on, and estimates are free.
Can you fix a duct the same day you diagnose it?
Yes. Most duct repair work is completed in the same visit as the inspection, and same-day service is often possible. We answer 24/7 and dispatch from 7am to 7pm, Sunday through Friday. Call (877) 583-7369 to book an estimate.
Why does my electric bill go up when ducts leak?
Because a leaking duct system in a Miramar attic is losing cooled air into some of the hottest space in the house, and the air conditioner has to work harder to make up for it. Sealing recovers that lost cooling and is often the cheapest efficiency fix you can make. Call (877) 583-7369 to find out how much of your cooling is going to the attic.
Do I need duct cleaning before sealing?
Yes. Sealing over a dirty duct system traps debris and can leave the air quality problem untouched, so cleaning and sealing are best done together. A combined cleaning, repair, and sealing visit typically runs $500 to $1,800 depending on the size of the system. Call (877) 583-7369 for a free estimate that prices the whole job.
Book a Free Duct Repair & Sealing Estimate in Miramar
If you’re hearing whistling at the registers, noticing dust around the vents, or just suspect your duct system has been quietly leaking cooled air for a while, the fastest way to know your real cost is an inspection. We’ll map the system, check the seals, and hand you a written estimate with line-item pricing before any work begins.
Contact us to get started: call (877) 583-7369 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Every job is priced per home from the written estimate, and our technicians have up to 13 years of experience with Rotobrush, Nikro, and Abatement Technologies equipment. We work on the whole air pathway, so whether your issue is dirty ducts, a damaged run, or a dryer vent that needs attention, one trained crew handles it.
Pricing reflects the Miramar market as of 2026. Duct Cleaning Miramar offers free estimates – call (877) 583-7369.
Written by the team at Duct Cleaning Miramar.
What Our Customers Say
"My wife's allergies had been bad in this house since we moved in. It's been two months since they did the ducts and it's noticeably better. Not a miracle, but real."
- Brian Ackerman"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Latoya Mosley"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."
- Nathan Miller