Cost to Run a Evaporative (Swamp) Cooler in Connecticut
Connecticut's average residential electricity rate is 32.2¢/kWh as of April 2026 — the 49th cheapest in the country, 71% above the U.S. average. At typical usage (8 hours/day), a evaporative (swamp) cooler here costs $31.32 per month.
Per hour
$0.13
at 100–800 W
Per day
$1.03
8 hours/day
Per month
$31.32
97 kWh
Per year
$376
1,168 kWh
By usage level in Connecticut
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.52 | $15.66 | $188 |
| Typical (8 hrs/day) | $1.03 | $31.32 | $376 |
| Heavy (16 hrs/day) | $2.06 | $62.65 | $752 |
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 32.2¢/kWh (April 2026), a evaporative (swamp) cooler with typical usage costs about $1.03 per day, $31.32 per month, or $376 per year.
Is running a evaporative (swamp) cooler in Connecticut more expensive than average?
Yes. Connecticut's electricity costs about 71% more than the U.S. average, so the same usage costs $31.32 per month here versus $18.29 nationally.
What does electricity cost in Connecticut right now?
Connecticut residents pay an average of 32.2¢ per kWh as of April 2026 — the 49th cheapest rate of the 51 U.S. jurisdictions we track.