Floriduct blog
Air duct & HVAC answers for South Florida homes
Straight answers to the questions homeowners ask us on the job — musty AC smells, clogged dryer vents, frozen coils, and what South Florida humidity does to a system that runs all year.

Air Duct Cleaning in a Florida Rental: Landlord or Tenant?
Florida's landlord-tenant statute never mentions ducts. Here is what it does require, and how that decides who pays in a rental.
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Why Is There Black Dust Around My AC Vents?
Dust, soot or mildew — the three answers look alike on a vent face. Here is the test that separates them, and why humidity makes one of the three likelier here.
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How Often Should Air Ducts Be Cleaned in South Florida?
No single interval fits every South Florida home. Here is what the EPA and NADCA actually say about frequency, and what to put on a calendar instead.
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Should You Clean Air Ducts After a Hurricane or Flood?
After a hurricane or flood in South Florida: when ducts need cleaning, when wet duct insulation must be replaced, and why to leave the AC off first.
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Are Dryer Vents a Real Fire Risk in Condos?
In a shared building the risk is not just yours. Here is what actually raises it in a condo, and what the building code requires of a shared shaft.
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Can a Clogged Dryer Vent Affect Other Units?
If your building shares one dryer exhaust shaft, yes. If each unit vents on its own, no. Here is how to tell which building you live in.
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Can a Dryer Vent Be Repaired, or Does It Need Replacing?
Most dryer vent problems are repairs, not replacements. Here is what can be fixed, what genuinely has to be replaced, and how to tell them apart.
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Who Cleans the Dryer Vents in a Condo?
In most Florida condos the unit owner pays for their own dryer vent, but the declaration decides it. Here is how to read yours and who to ask first.
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Why Does My Dryer Smell Like It's Burning?
A burning smell from a dryer has four common causes, and they are not equally urgent. Here is how to tell them apart and what to do first.
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Why Does My Dryer Vent Go Through the Roof?
Roof-terminated dryer vents are common in South Florida for a structural reason. Here is why builders do it and what cleaning one actually involves.
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How Do You Prepare Your AC for Hurricane Season in South Florida?
A South Florida guide to getting your AC through hurricane season: how to secure the outdoor unit, cut power before the storm, and restart safely after.
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Is Air Duct Cleaning Worth It? An Honest South Florida Answer
A duct cleaning company's honest take: when cleaning is genuinely worth it in South Florida, when it isn't, and how to tell the difference.
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Air Duct Cleaning Florida: A Homeowner's Guide
Ensure optimal air quality and efficiency with professional air duct cleaning in Florida. Combat humidity and allergens for healthier indoor air.
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Do AC UV Lights Actually Work in Florida Humidity?
A UV-C light in the air handler targets mold growth on the wet evaporator coil — the exact problem South Florida humidity creates. What it does and doesn't do.
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What Are the Warning Signs of a Clogged Dryer Vent?
Clothes taking two cycles, a hot laundry room, or a burning smell are the clearest signs of a clogged dryer vent. Here's what each one means and what to do.
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Why Does My AC Smell Musty When It Turns On?
A musty AC smell usually means damp dust on the coil or in the ducts. What causes it, why South Florida humidity makes it worse, and how to clear it.
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Why Is My AC Freezing Up and Blowing Warm Air?
An AC freezes when airflow across the coil is restricted — usually a dirty coil or filter — or when refrigerant is low. How to tell which, and what to do first.
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