The Rainy Season and Your AC
About two-thirds of Fort Myers' yearly rain falls between June and September. Those months put more strain on an AC's drain, electrics and humidity control than any other time.
Request an AC contractorMore water off the coil
Humid air means the indoor coil makes far more condensate. Drains that coped in spring can back up by July.
Afternoon storms
Daily thunderstorms bring lightning and power flickers. A surge protector at the outdoor unit protects the control board and capacitor.
Standing water
Make sure the outdoor unit's pad isn't sitting in a puddle after heavy rain. Low spots near the house may need regrading.
Mild, muggy days
Cloudy, rainy days are humid but not hot, so the AC barely runs and the house can feel damp. Fan on auto helps, and a dehumidifier helps more.
Mold watch
Musty closets, spotty bathroom ceilings and damp-smelling rooms are early signs. Fix the moisture source first.
Roof leaks
If the roof leaks into the attic, check the air handler and ducts there for water.
Plan ahead
Book service in spring so the system is ready before the rains.
Learn more
See dehumidifiers and drain lines.
Gutters and downspouts
Downspouts that empty right beside the outdoor unit can splash mud onto the coil. Extend them a few feet away.
Indoor clues
Condensation on windows, damp spots near supply vents and a musty smell in closets all suggest the house is holding more moisture than the AC can remove. Note where you see them before booking a visit.
Keep the drain clear
A spring flush of the condensate line, and another in mid-summer, keeps algae from building up during the wettest months. If the line has a cleanout cap, keep it accessible.
Ceiling fans
Fans make a room feel cooler without adding moisture, so you can set the thermostat a little higher on muggy evenings.
More air conditioning guides
AC giving up in the Fort Myers heat?
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