“Sent me photos of what was inside. Honestly disgusting. Honestly grateful.”

AC duct replacement in Key Biscayne.
Barrier-island salt corrosion shortens duct life by 30–40% compared to inland Miami. We bring upgraded coil cleaner and check return-side metal at every visit.
- Starts at
- Quoted on-site
- Duration
- 1-2 days
- Service area
- Key Biscayne, Miami-Dade
Why Key Biscayne homes need this.
The same numbers apply across South Florida — but South Florida humidity, salt air, and pollen load mean ducts here get dirty faster than the national average.
Florida heat and humidity age flex duct fast. Most homes hit replacement window between year 20 and 25.
Sealed R-8 insulated ducts stop conditioned air from leaking into your attic. The savings show up the next month.
We back every install with a 5-year warranty on labor. Materials carry their own manufacturer warranty.
Every ac duct replacement in Key Biscayne includes.
Old flex duct sags, tears, and grows mold in our humidity. We replace the whole system with R-8 insulated ducts and modern, sealed plenums.
AC duct replacement in Key Biscayne, specifically.
What we usually pull out of Key Biscayne systems on a ac duct replacement job:
- ·Torn flex liner shedding fiberglass into supply registers
- ·Sagging ducts with crushed airflow
- ·Mold growth in saturated insulation jackets
- ·Disconnected boots leaking conditioned air into attic
- County
- Miami-Dade
- ZIP codes
- 33149
- Booking
- Mon–Sat 7am–7pm. Same-week appointments most weeks.
Four steps. No mystery.
Most calls turn into a confirmed booking in under an hour. Same-day slots are common Monday through Saturday.
Things Key Biscayne customers ask before booking.
Don’t see yours? Call (954) 539-8988 — we pick up.
How much does ac duct replacement cost in Key Biscayne?
AC duct replacement in Key Biscayne starts at Quoted on-site. Final price depends on home size and system count — we quote upfront on the phone.
Do you serve all of Key Biscayne?
Yes — we cover every Key Biscayne ZIP code (33149) and the surrounding Miami-Dade County area for ac duct replacement.
How long does ac duct replacement take in a Key Biscayne home?
1-2 days on a typical job. We text 30 minutes before we pull up, send photos throughout, and clean up after ourselves.
How do I know if I need replacement vs cleaning?
We send photos. If the inside of the duct is intact, we clean. If the lining is shedding or torn, we replace.
What South Florida says about us.
“Quoted $245, charged $245. No upsells, no scary stories about mold. Texted when they were 20 minutes out.”
“My allergies dropped off a cliff after they cleaned. I didn't realize how much was getting blown back into the house.”
“Crew was respectful, wore booties, cleaned up after themselves. Showed me everything they did. First time I've had service like this in Florida.”
“Dryer vent was completely packed. They pulled out a small animal's worth of lint. Probably saved my house.”
“Booked online at 11pm. Confirmation by 8am. Done by 1pm the same day. That doesn't happen.”
AC duct replacement in nearby Miami-Dade cities.
Also offered in Key Biscayne.
Ready for cleaner air, Key Biscayne?
Book online in about a minute, or call and a person picks up. Same-day slots most weekdays. We’ll quote before we book.
