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Rooms that won't cool? High FPL bills? Whistling coming from the vents? Your ductwork is probably damaged. Leaking joints, crushed flex duct, and corroded metal ducts dump conditioned air into your attic instead of your rooms. We find the damage, fix it, and prove airflow is restored -- same-day service across Miami-Dade and Broward County.
Duct cleaning removes dust, debris, and contaminants from inside your ducts. Duct repair fixes the physical structure of the ductwork itself -- leaks, disconnections, crushed sections, and corrosion damage.
Removes dust, mold, pet dander, and debris from inside the duct system. Your ducts stay physically intact -- we clean what is inside them. Learn about our duct cleaning service.
Fixes physical damage to the ductwork -- leaking joints, crushed flex duct, corroded metal, gaps at registers, insulation failures, and poor original installation. Without repair, conditioned air never reaches your rooms.
Many homes need both. We inspect your duct system for free and tell you exactly what you need -- cleaning, repair, or both. If your ducts are leaking air, no amount of cleaning will fix the problem. The air escaping through damaged ductwork into your attic is money leaving your home every time the AC runs.
South Florida's extreme heat, year-round humidity, and salt air create duct damage that homes in other states rarely see. Here are the problems we repair every week.
The most common duct problem we find. Duct sections pull apart at the connections, dumping 100% of the conditioned air for that run into your attic or wall cavity. Your AC runs nonstop but the room stays warm.
"One bedroom just won't cool no matter what I set the thermostat to."
High Energy LossFlex duct is soft and pliable -- it crushes easily when attic items are stacked on it, when it sags between supports, or when a previous contractor ran it through a tight space without proper clearance. A crushed duct restricts airflow to nearly zero.
"The vent barely blows any air even though the AC is running full blast."
Severe Airflow RestrictionRodents chew through flex duct. Attic work creates accidental punctures. Aging duct material becomes brittle and cracks. Every hole is an air leak that costs you money and comfort.
"I can see daylight through the ductwork in my attic."
Moderate Energy LossMiami's salt air corrodes galvanized sheet metal ductwork from the outside. Coastal homes in Miami Beach, Sunny Isles, Hollywood, and Hallandale Beach are especially vulnerable. Corroded ducts develop rust holes that leak conditioned air and allow attic contaminants into your air supply.
"There's rust flaking off the ducts in the attic."
Worsens Over TimeWhere the duct connects to the ceiling or wall register, a loose or disconnected boot leaks conditioned air into the wall cavity. You feel weak airflow at the vent even though the duct behind it has full pressure.
"I can feel air blowing around the edges of the vent, not through it."
Common in Older HomesWhen duct insulation deteriorates or gets wet, the temperature difference between the cold air inside and the hot attic outside causes condensation on the duct surface. That condensation leads to mold growth, water damage to ceilings, and massive energy loss because uninsulated ducts absorb heat.
"There are water stains on the ceiling near the AC vent."
Mold RiskWhen ducts are undersized for the AC system, static pressure builds up, the blower works harder, energy bills climb, and rooms don't cool properly. When ducts are oversized, air velocity drops too low to properly distribute conditioned air. Sizing issues are common in Florida homes where the original builder installed the cheapest system that passed inspection. We measure and correct duct sizing as part of our repair service.
"Some rooms are freezing and others are still warm -- I keep adjusting the thermostat."
Comfort + Efficiency IssueThe U.S. Department of Energy estimates that the average home loses 20 to 30 percent of conditioned air through duct leaks. In Miami, where your AC runs 10 to 12 months per year, that translates to hundreds of dollars per year on your FPL bill paying to cool your attic. Repairing duct leaks is one of the fastest ways to lower your energy bill without replacing any equipment.
If you notice any of these in your home, your duct system is likely damaged and losing air. The sooner you fix it, the less money you waste.
One or more rooms stay warm while the rest of the house cools normally. The duct serving that room is likely disconnected, crushed, or leaking.
Your electric bill jumped but nothing changed in your usage. Leaking ducts force the AC to run longer to compensate for lost air, driving up energy costs.
Whistling means air is escaping through a small hole or gap under pressure. Rattling means a duct section is loose, disconnected, or vibrating against framing.
If you can see crushed, hanging, disconnected, or torn ductwork in your attic, the damage is confirmed. Do not try to tape it yourself -- duct tape does not work on ductwork long-term in Florida heat.
Damaged insulation or disconnected ducts pull attic air, crawl space air, or wall cavity air into your supply stream. That air carries mold spores, dust, and odors directly into your living space.
When some rooms are cold and others are warm with the same thermostat setting, duct damage is restricting or redirecting airflow away from certain rooms.
Every duct repair starts with a free diagnostic inspection. We never guess. We find the damage, show you, price it, then fix it.
Our licensed technician inspects every accessible duct run, connection, and register. We measure airflow at every supply vent and use pressure testing to pinpoint exactly where your system is losing air. We check the attic, crawl spaces, closets, and every vent in the home.
Free -- No ObligationWe photograph every problem area and walk you through exactly what we found. You see the damage, understand why it matters, and get a written estimate with line items for each repair. No surprises, no hidden fees.
Transparent PricingDepending on the damage: we seal leaking joints with mastic sealant and metal-backed tape, repair or replace crushed flex duct sections, patch corroded metal ductwork, replace damaged insulation, and re-support sagging duct runs. We carry all parts and materials on our truck.
Same-Day Repairs AvailableAfter repairs, we pressure-test the duct system to confirm all leaks are sealed. We re-measure airflow at every supply vent and compare the numbers to pre-repair readings so you can see the improvement in real data.
Verified ResultsWe walk through the home with you, show before-and-after photos, verify you can feel the difference at every problem vent, and provide a written summary of all work performed. Documentation is available if you need it for insurance claims or home sale disclosures.
Insurance-Ready ReportsWe always try to repair first because it saves you money. But sometimes ductwork is too far gone. Here is how we determine which you need.
| Situation | Repair | Replace |
|---|---|---|
| One or two disconnected joints | ✓ | -- |
| Small holes or tears in flex duct | ✓ | -- |
| Loose register boot connections | ✓ | -- |
| Minor insulation damage on one run | ✓ | -- |
| Crushed flex duct (single section) | ✓ | -- |
| Widespread corrosion on metal ducts | -- | ✓ |
| Multiple crushed runs with insulation failure | -- | ✓ |
| Duct system 20+ years old with chronic leaks | -- | ✓ |
| Severely undersized ductwork for the AC system | -- | ✓ |
| Mold throughout duct interior (not surface-level) | -- | ✓ |
Not sure which you need? That is exactly what the free diagnostic determines. We always recommend the least expensive option that will solve the problem permanently.
Every duct repair job is different. Cost depends on the type of damage, how many sections are affected, and how accessible the ductwork is. Here is how our pricing works.
We inspect your entire duct system at no cost. You only pay if you approve the repair.
Line-item pricing for each repair. You see exactly what each fix costs before we start.
The price we quote is the price you pay. We never add charges after the work is done.
Want to understand duct cleaning pricing? See our air duct cleaning cost breakdown.
Not every HVAC company does duct repair. Most just sell new systems. We specialize in diagnosing and fixing the ductwork itself.
FL State Contracting License #CAC1817115. EPA 608 certified. Mechanical and journeyman licensed. Insured. Not a handyman with duct tape -- a licensed contractor with specialized duct repair tools and training.
Our trucks carry flex duct, mastic sealant, metal-backed tape, sheet metal patches, duct insulation, hanging straps, register boots, and connectors. Most repairs are completed the same day without a second visit.
We do not just seal and leave. Every repair is verified with airflow measurement at every vent and pressure testing of the duct system. You see the numbers before and after -- proof that the fix worked.
Over 1,000 homes served across Miami-Dade and Broward County since 2014. We have worked on every duct configuration, every material type, and every brand of HVAC system found in South Florida homes.
We photograph every damaged section before and after repair. You see exactly what was wrong and exactly what we did. Documentation is available for insurance claims, home inspections, and real estate transactions.
We always recommend repair over replacement when the repair will hold long-term. We do not upsell full duct replacement when a targeted repair solves the problem at a fraction of the cost.
Many homeowners combine duct repair with these services for the best results.
After repairing the physical ductwork, clean the interior to remove dust and debris that accumulated while ducts were leaking.
Learn More →For ducts with joint leaks that do not need physical repair, professional sealing eliminates air loss at every connection point.
Learn More →If your AC unit itself is also struggling, we diagnose and repair the equipment alongside the ductwork for a complete fix.
Learn More →"My master bedroom would not cool below 80 no matter what I did. They found a completely disconnected duct in the attic -- the air was blowing straight into the attic. Fixed it same day and the room was cool within an hour. Should have called months ago."
"Our FPL bill dropped $85 per month after they repaired three crushed flex duct runs in the attic. The ducts had been sitting under boxes from when we moved in. They showed me photos of the damage and the repairs. Very professional, very fair price."
"The home inspector flagged duct damage before our sale went through. These guys came out the next morning, photographed everything, repaired three sections, gave us documentation for the buyer, and the sale closed on time. Lifesavers."
Same-day duct repair service available in all cities listed below. We service homes, condos, and commercial properties.
Don't see your city? Call (305) 607-3244 -- we likely serve your area. View all HVAC service areas.
Free diagnostic inspection. We find the damage, photograph it, price it, then fix it. Same-day duct repair across Miami-Dade and Broward County. Licensed. Insured. BBB A+ Rated.
