How Central Florida's Humidity Affects Your AC System

The Humidity Problem in Central Florida

Living in Central Florida means dealing with humidity levels that routinely exceed 80% during summer months. While most people think of their air conditioner as a cooling device, it actually serves double duty — removing both heat and moisture from your indoor air. This dual workload puts significantly more stress on your system compared to homes in drier climates.

When humidity levels are high, your AC’s evaporator coil works overtime to condense moisture from the air. This extra moisture collection means longer run times, increased energy consumption, and more wear on critical components like the compressor and blower motor.

Signs Your AC Is Struggling With Humidity

If you notice any of these issues in your home, humidity may be overwhelming your system:

• Condensation on windows even when the AC is running
• A musty or moldy smell coming from your vents
• The air feels clammy despite the thermostat reading a comfortable temperature
• Water pooling around your indoor unit or in the drain pan
• Higher than normal energy bills without changes in usage

What You Can Do About It

Keep Up With Filter Changes

A clogged filter restricts airflow and reduces your system’s ability to dehumidify. In Central Florida, we recommend changing your filter every 30-60 days during peak cooling season.

Consider a Whole-Home Dehumidifier

For homes where the AC alone can’t keep humidity below 50%, a dedicated whole-home dehumidifier works alongside your HVAC system to remove excess moisture without overcooling your home.

Schedule Regular Maintenance

Annual tune-ups ensure your evaporator coil is clean and your refrigerant levels are correct — both critical for effective dehumidification. A system that’s low on refrigerant will cool poorly and dehumidify even worse.

Check Your Ductwork

Leaky ducts can pull humid attic air into your conditioned space, undermining everything your AC is trying to accomplish. A professional duct inspection can identify and seal these leaks.

When to Call a Professional

If your home consistently feels humid even with the AC running, don’t ignore it. Excess indoor humidity accelerates mold growth, damages wood floors and furniture, and creates an unhealthy living environment. Our technicians can evaluate your system and recommend the right solution for your home.