Cost to Run a Window Air Conditioner in Indiana
Indiana's average residential electricity rate is 16.7¢/kWh as of July 2026 — the 29th cheapest in the country, 9% below the U.S. average. At typical usage (8 hours/day), a window air conditioner here costs $36.55 per month.
Per hour
$0.15
at 500–1,500 W
Per day
$1.20
8 hours/day
Per month
$36.55
219 kWh
Per year
$439
2,628 kWh
By usage level in Indiana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.60 | $18.28 | $219 |
| Typical (8 hrs/day) | $1.20 | $36.55 | $439 |
| Heavy (16 hrs/day) | $2.40 | $73.11 | $878 |
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 16.7¢/kWh (July 2026), a window air conditioner with typical usage costs about $1.20 per day, $36.55 per month, or $439 per year.
Is running a window air conditioner in Indiana more expensive than average?
No — it's cheaper. Indiana's rate is about 9% below the U.S. average: $36.55 per month here versus $40.06 nationally.
What does electricity cost in Indiana right now?
Indiana residents pay an average of 16.7¢ per kWh as of July 2026 — the 29th cheapest rate of the 51 U.S. jurisdictions we track.