A Florida home closed up with the AC off or set high is a mold incubator with a street address. Outdoor dew points sit in the 70s for months; indoor surfaces cool at night; moisture condenses in closets, on leather and wood, and inside wall cavities, and growth starts on dust and drywall paper within weeks. The discovery is usually made by a neighbor, a home watch service, or an owner returning to a smell that hits at the door.
The Seminole postal area holds a heavy share of seasonal homes, including the beach-edge neighborhoods toward Redington Shores and Madeira Beach. A home shut through a Pinellas summer with the AC off or set high grows mold on a schedule the home watch industry here exists to interrupt. The walk that matters runs the handler, checks the pan, opens the closets, and reads the house by smell: in this footprint, the nose is a calibrated instrument.
The prevention is boring and effective: keep the AC running with humidity control as the goal (a humidistat or a smart thermostat holding indoor humidity under about 60 percent), keep interior doors and closet doors open for airflow, and have a human being walk the home on a schedule with instructions to run water, check the handler pan, and look under sinks.
If you are opening a home that sat closed through a Florida summer, ventilate first, photograph what you find before wiping anything, and get the moisture inspection before the cleaning crew. Cleaning visible growth while the humidity source still runs is mopping with the tap open.
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