Cost to Run a Evaporative (Swamp) Cooler in Connecticut
Connecticut's average residential electricity rate is 24.2¢/kWh as of July 2026 — the 41st cheapest in the country, 32% above the U.S. average. At typical usage (8 hours/day), a evaporative (swamp) cooler here costs $23.54 per month.
Per hour
$0.10
at 100–800 W
Per day
$0.77
8 hours/day
Per month
$23.54
97 kWh
Per year
$283
1,168 kWh
By usage level in Connecticut
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.39 | $11.77 | $141 |
| Typical (8 hrs/day) | $0.77 | $23.54 | $283 |
| Heavy (16 hrs/day) | $1.55 | $47.08 | $565 |
Connecticut vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a evaporative (swamp) cooler in Connecticut?
At Connecticut's current average residential rate of 24.2¢/kWh (July 2026), a evaporative (swamp) cooler with typical usage costs about $0.77 per day, $23.54 per month, or $283 per year.
Is running a evaporative (swamp) cooler in Connecticut more expensive than average?
Yes. Connecticut's electricity costs about 32% more than the U.S. average, so the same usage costs $23.54 per month here versus $17.80 nationally.
What does electricity cost in Connecticut right now?
Connecticut residents pay an average of 24.2¢ per kWh as of July 2026 — the 41st cheapest rate of the 51 U.S. jurisdictions we track.