AC running cost in Florida
A typical 2,000 sq ft Florida home with average insulation and a 14 SEER2 central AC uses about 4,049 kWh a year for cooling: roughly $620, peaking in Aug at about $94.
At a glance
Florida ranks 1st of 48 contiguous states for estimated yearly AC running cost. Its residential electricity price (15.3¢/kWh) is 16% lower than the U.S. average (18.19¢, EIA) and ranks 28th highest. Its climate brings 3,579 cooling degree days a year (1st most), so cooling demand is 226% higher than the 48-state average. Aug is the peak month, carrying about 15% of the year's AC cost; the meaningful cooling season runs Jan–Dec.
| Estimated yearly AC cost (2,000 sq ft, 14 SEER2) | $620 |
| Average across 48 contiguous states (unweighted) | $207 |
| Average residential price, July 2026 YTD | 15.3¢/kWh (U.S.: 18.19¢) |
| Single month, July 2026 | 15.03¢/kWh |
| Annual cooling degree days (NOAA, 1991–2020, base 65°F) | 3,579 (48-state avg 1,099) |
| Yearly savings, 18 vs 14 SEER2 | $138 |
Utilities with verified rates on this site: FPL (Florida Power & Light) (Miami page).
Sources: EIA Electric Power Monthly, Table 5.6.B and Table 5.6.A; NOAA NCEI nClimDiv. Statewide averages hide large local differences.
Compared with neighboring states
| State | Price | CDD/yr | Yearly AC cost |
|---|---|---|---|
| Florida | 15.3¢ | 3,579 | $620 |
| Alabama | 16.54¢ | 1,947 | $364 |
| Georgia | 15.4¢ | 1,725 | $301 |
Same home (2,000 sq ft, average insulation, 14 SEER2) in each state.
Month by month
| Month | CDD | kWh | Cost |
|---|---|---|---|
| Jan | 90 | 101 | $16 |
| Feb | 104 | 118 | $18 |
| Mar | 148 | 167 | $26 |
| Apr | 221 | 250 | $38 |
| May | 374 | 424 | $65 |
| Jun | 480 | 544 | $83 |
| Jul | 541 | 612 | $94 |
| Aug ★ | 543 | 614 | $94 |
| Sep | 472 | 534 | $82 |
| Oct | 330 | 374 | $57 |
| Nov | 164 | 186 | $28 |
| Dec | 111 | 125 | $19 |
★ peak month.
Yearly cooling cost by home size and SEER2
| Home | 13 SEER2 | 14 SEER2 | 16 SEER2 | 18 SEER2 |
|---|---|---|---|---|
| 1,200 sq ft | $400 | $372 | $325 | $289 |
| 1,600 sq ft | $534 | $496 | $434 | $385 |
| 2,000 sq ft | $667 | $620 | $542 | $482 |
| 2,500 sq ft | $834 | $774 | $678 | $602 |
| 3,000 sq ft | $1,001 | $929 | $813 | $723 |
Average insulation; 15.3¢/kWh.
AC monthly running cost calculator
| Month | Cooling degree days | kWh | Cost |
|---|
Price defaults to the state's EIA average residential price (July 2026 YTD); edit it to match your bill. Climate: NOAA state cooling degree days, 1991–2020 average. How this works.