Cost to Run a Portable Air Conditioner in Idaho
Idaho's average residential electricity rate is 12.7¢/kWh as of April 2026 — the 2nd cheapest in the country, 32% below the U.S. average. At typical usage (8 hours/day), a portable air conditioner here costs $30.89 per month.
Per hour
$0.13
at 700–1,500 W
Per day
$1.02
8 hours/day
Per month
$30.89
243 kWh
Per year
$371
2,920 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.51 | $15.44 | $185 |
| Typical (8 hrs/day) | $1.02 | $30.89 | $371 |
| Heavy (16 hrs/day) | $2.03 | $61.77 | $742 |
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 12.7¢/kWh (April 2026), a portable air conditioner with typical usage costs about $1.02 per day, $30.89 per month, or $371 per year.
Is running a portable air conditioner in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 32% below the U.S. average: $30.89 per month here versus $45.72 nationally.
What does electricity cost in Idaho right now?
Idaho residents pay an average of 12.7¢ per kWh as of April 2026 — the 2nd cheapest rate of the 51 U.S. jurisdictions we track.