Cost to Run a Portable Air Conditioner in Idaho
Idaho's average residential electricity rate is 12.4¢/kWh as of May 2026 — the 1st cheapest in the country, 33% below the U.S. average. At typical usage (8 hours/day), a portable air conditioner here costs $30.16 per month.
Per hour
$0.12
at 700–1,500 W
Per day
$0.99
8 hours/day
Per month
$30.16
243 kWh
Per year
$362
2,920 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.50 | $15.08 | $181 |
| Typical (8 hrs/day) | $0.99 | $30.16 | $362 |
| Heavy (16 hrs/day) | $1.98 | $60.31 | $724 |
Idaho vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a portable air conditioner in Idaho?
At Idaho's current average residential rate of 12.4¢/kWh (May 2026), a portable air conditioner with typical usage costs about $0.99 per day, $30.16 per month, or $362 per year.
Is running a portable air conditioner in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 33% below the U.S. average: $30.16 per month here versus $44.75 nationally.
What does electricity cost in Idaho right now?
Idaho residents pay an average of 12.4¢ per kWh as of May 2026 — the 1st cheapest rate of the 51 U.S. jurisdictions we track.