Setting Your Thermostat for a Florida Summer
Cranking the thermostat down to 68 doesn't cool your house faster in Tampa heat, it just runs your system longer and drives up your bill without much comfort gain.
Why 78 Beats 72 in a Gulf Coast Summer
The Department of Energy recommends 78 degrees when you're home and awake during cooling season, and in Tampa Bay's climate that number matters more than in a drier region. A lower setpoint doesn't move more cold air faster, your system runs at the same speed either way. It just runs longer to reach a lower number, which is where the extra cost comes from. Every degree you drop the setpoint adds roughly 3 to 5 percent to your cooling costs over a season.
Humidity Matters as Much as Temperature
A house at 78 degrees with humidity under control feels more comfortable than a house at 74 degrees with high humidity, because your body cools itself through sweat evaporation, and that doesn't work well in muggy air. If your home feels sticky even with the AC running, that's often a sign of an oversized system that cools the air fast without running long enough to pull out moisture, or a system that needs a maintenance check rather than a lower setpoint.
Scheduling It Instead of Fighting It
Set your thermostat a few degrees higher when you're out of the house or asleep, then let it recover before you're back or awake. Don't turn the system off entirely during a Tampa Bay summer. An AC recovering from a hot, humid house takes a long time and a lot of energy to catch up, and in the meantime the humidity builds up in your walls and furniture. A programmable or smart thermostat handles this automatically and is one of the lowest-cost upgrades for comfort and your electric bill.
Rather have a pro handle it?
Same-day HVAC service across the Tampa Bay area. A real HVAC pro picks up.
Keep reading.
How to Change Your AC Filter (and Why Tampa Humidity Fouls Them Fast)
Florida's humidity and pollen load clog a filter faster than almost anywhere else in the country, and a dirty filter is behind more AC service calls than any other single cause.
How to Clear a Clogged AC Condensate Drain Line
A clogged condensate line is the number one cause of a no-cool call and a water-stained ceiling in Tampa Bay, and it's usually a fix you can do yourself with a wet/dry vac.
Why Your AC Freezes Up (and What to Check First)
Ice on your indoor coil or outdoor lines almost always traces back to restricted airflow, and knowing what to check yourself can save an unnecessary service call.