In Florida, air conditioning can account for nearly half of your electric bill during the long cooling season. The good news is that most homes are wasting energy in fixable ways. Here are 12 practical steps, roughly ordered from biggest impact to easy wins.
Start with the biggest levers
1. Seal your ducts
Duct systems typically lose 20 to 30% of their air to leaks. Sealing joints with mastic or an aerosol sealant keeps the cool air you paid for inside the system. Our air duct repair team handles this.
2. Clean the ducts
Dust and debris restrict airflow, forcing longer run times. A source-removal air duct cleaning restores the airway.
3. Clean the coil and blower
A dust-coated evaporator coil can’t transfer heat efficiently, and a dirty blower moves less air. HVAC cleaning restores both.
4. Improve attic insulation
Florida attics hit 130°F. Bringing insulation up to roughly R-30 to R-38 slows heat gain into your home and ducts, see attic insulation.
Easy habits and maintenance
5. Change the air filter regularly
A clogged filter starves the whole system. Check monthly during summer and replace as needed.
6. Raise the thermostat a few degrees
Every degree warmer cuts runtime. Use a programmable or smart thermostat to ease back when you’re away or asleep.
7. Use ceiling fans
Fans let you stay comfortable at a higher thermostat setting by moving air across your skin. Turn them off in empty rooms, they cool people, not rooms.
8. Close blinds during peak sun
Blocking direct sunlight reduces the heat your AC has to remove during the hottest hours.
Reduce the load on your system
9. Seal windows and doors
Weatherstripping and caulk stop conditioned air from leaking out and humid air from seeping in.
10. Service your AC before summer
A pre-season tune-up catches low refrigerant, weak capacitors, and dirty components before they drive up bills.
11. Keep vents open and unblocked
Furniture and rugs over registers choke airflow and unbalance the system, making it run longer.
12. Manage humidity
Florida’s humidity makes your AC work overtime. Fixing return-side duct leaks and running the system properly helps it dehumidify, so you feel comfortable at a higher temperature.
How the savings compare
| Improvement | Effort | Relative savings potential |
|---|---|---|
| Duct sealing | Professional | High |
| Coil & blower cleaning | Professional | High |
| Attic insulation | Professional | High |
| Filter changes | DIY | Medium |
| Thermostat setbacks | DIY | Medium |
| Fans & blinds | DIY | Low to Medium |
Put it together
The biggest, most dependable savings come from the ductwork and the coil, the parts of your system most homeowners never see. Layer the easy habits on top, and a typical Florida home can meaningfully cut its cooling costs. Contact our team for an efficiency inspection, or see service across Tampa and the rest of Florida.