Billowatt

Cost to Run a Evaporative (Swamp) Cooler in Florida

Florida's average residential electricity rate is 15.4¢/kWh as of April 2026 — the 18th cheapest in the country, 18% below the U.S. average. At typical usage (8 hours/day), a evaporative (swamp) cooler here costs $14.98 per month.

Per hour

6.2¢

at 100–800 W

Per day

$0.49

8 hours/day

Per month

$14.98

97 kWh

Per year

$180

1,168 kWh

By usage level in Florida

Usage Per day Per month Per year
Light (4 hrs/day) $0.25 $7.49 $89.94
Typical (8 hrs/day) $0.49 $14.98 $180
Heavy (16 hrs/day) $0.99 $29.96 $360

Florida vs. the rest of the country

Monthly cost at typical usage.

Florida $14.98
South average $16.42
U.S. average $18.29

Frequently asked questions

How much does it cost to run a evaporative (swamp) cooler in Florida?

At Florida's current average residential rate of 15.4¢/kWh (April 2026), a evaporative (swamp) cooler with typical usage costs about $0.49 per day, $14.98 per month, or $180 per year.

Is running a evaporative (swamp) cooler in Florida more expensive than average?

No — it's cheaper. Florida's rate is about 18% below the U.S. average: $14.98 per month here versus $18.29 nationally.

What does electricity cost in Florida right now?

Florida residents pay an average of 15.4¢ per kWh as of April 2026 — the 18th cheapest rate of the 51 U.S. jurisdictions we track.

Evaporative (Swamp) Cooler costs in nearby states

What else costs to run in Florida

See the full Florida electricity cost guide →