Indoor Humidity Control in Florida
If your thermostat says 74 and your house still feels wet, your system is cooling air without running long enough - or your ducts, size, or charge are wrong. Indoor humidity control in Florida is a runtime and equipment problem and needs a diagnosis. Call (813) 565-2665 to have our experts take a look.
Florida air holds a lot of moisture. Your air conditioner is the main dehumidifier in most houses. When it short cycles, when it is oversized, or when your coil is dirty, it drops the temperature and leaves the moisture.
Why Your House Stays Humid With the AC On
- Oversized Equipment That Satisfies Your Thermostat Too Fast
- A Blower That Moves Too Much Air Across Your Coil
- A Dirty Coil or Filter That Cuts Dehumidification
- Low Refrigerant
- Leaky Return Ducts in a Hot Attic Pulling in Moist Air
- A Thermostat Set So Low Your System Ices, Then Shuts Off
If your unit slams on and off, read AC Short Cycling in Florida to learn more about troubleshooting and solutions. If size is the suspect, use What Size Air Conditioner You Need to see if you require a load calculation or replacement. If ice is involved, check our guide on your AC Freezing Up in Florida for tips and fixes.
What We Actually Change to Improve Your Humidity
- Correct Size and Longer, Steadier Runtimes - Variable Speed Helps When We Size It Correctly
- Clean Coils and Filters
- Sealed Returns in Your Attic
- A Fan Setting That Does Not Blow Water Back Off Your Coil After the Compressor Stops
- In Some Houses, a Dedicated Dehumidifier After Those Levers Are Already Correct
People also frequently ask us about UV and purification options to help your coil stay cleaner, but they do not replace dehumidification. So, we will not sell you a light and call your humidity problem solved.
But we can have the a coil-clean conversation after we name the humidity cause. To get a head start on clean coils, read UV Light for AC Systems in Florida.
What You Can Check Before We Arrive
- Replace a Gray, Felted Filter
- Make Sure Supply Registers Are Open
- Note Whether Your Outdoor Fan Runs When You Feel Warm Supply Air
- Write Down the Thermostat Setpoint and How Long the System Runs
If your house feels like a greenhouse at 75°, call (813) 565-2665 to speak to our experts who can provide a full diagnosis and repair.
Service Area
We diagnose and resolve home humidity problems in Tampa, Gibsonton, Valrico, Carrollwood, Brandon, Riverview, Lakeland, Winter Haven, Plant City, Auburndale, Sun City, Apollo Beach, Ruskin, Lithia, Bloomingdale, Lakeland Highlands, Seffner, Dover, Hillsborough County, and Polk County.
Frequently Asked Questions
Why Is My House Humid with the AC On in Tampa? Your system is not running long enough at the right airflow and charge to condense moisture on your coil. We test those three things first.
Will Turning My Thermostat Lower Dry the Air? Sometimes briefly. Often, it just ices your coil. We fix runtime instead.
Is 50% Indoor Humidity a Realistic Target? Many Florida homes land in the 50s when your system is right. Mid-60s with the AC running is a problem we should look at.
Do I Need a Whole-Home Dehumidifier? Not first. Size, ducts, and coil condition come first. We add a dehumidifier when those are already correct, and your house still has too much humidity.
Can a Heat Pump Control Humidity as Well as Straight AC? A variable-speed heat pump can. A single-stage unit has the same short-cycle risk. See RUUD Heat Pump Systems for Florida for more.
Get the Moisture Out of Your House
Indoor humidity control in Florida starts with an AC that actually dries your air. We find out why your house stays humid in Tampa Bay and fix the cause. Call (813) 565-2665 or book a humidity check.