Cost to Run a Window Air Conditioner in Indiana
Indiana's average residential electricity rate is 17.9¢/kWh as of April 2026 — the 32nd cheapest in the country, 5% below the U.S. average. At typical usage (8 hours/day), a window air conditioner here costs $39.18 per month.
Per hour
$0.16
at 500–1,500 W
Per day
$1.29
8 hours/day
Per month
$39.18
219 kWh
Per year
$470
2,628 kWh
By usage level in Indiana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.64 | $19.59 | $235 |
| Typical (8 hrs/day) | $1.29 | $39.18 | $470 |
| Heavy (16 hrs/day) | $2.58 | $78.36 | $941 |
Indiana vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a window air conditioner in Indiana?
At Indiana's current average residential rate of 17.9¢/kWh (April 2026), a window air conditioner with typical usage costs about $1.29 per day, $39.18 per month, or $470 per year.
Is running a window air conditioner in Indiana more expensive than average?
No — it's cheaper. Indiana's rate is about 5% below the U.S. average: $39.18 per month here versus $41.15 nationally.
What does electricity cost in Indiana right now?
Indiana residents pay an average of 17.9¢ per kWh as of April 2026 — the 32nd cheapest rate of the 51 U.S. jurisdictions we track.