Cost to Run a Central Air Conditioner in Iowa
Iowa's average residential electricity rate is 16¢/kWh as of July 2026 — the 23rd cheapest in the country, 13% below the U.S. average. At typical usage (8 hours/day), a central air conditioner here costs $136 per month.
Per hour
$0.56
at 2,000–5,000 W
Per day
$4.48
8 hours/day
Per month
$136
851 kWh
Per year
$1,635
10,220 kWh
By usage level in Iowa
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $2.24 | $68.10 | $818 |
| Typical (8 hrs/day) | $4.48 | $136 | $1,635 |
| Heavy (16 hrs/day) | $8.96 | $272 | $3,270 |
Iowa vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a central air conditioner in Iowa?
At Iowa's current average residential rate of 16¢/kWh (July 2026), a central air conditioner with typical usage costs about $4.48 per day, $136 per month, or $1,635 per year.
Is running a central air conditioner in Iowa more expensive than average?
No — it's cheaper. Iowa's rate is about 13% below the U.S. average: $136 per month here versus $156 nationally.
What does electricity cost in Iowa right now?
Iowa residents pay an average of 16¢ per kWh as of July 2026 — the 23rd cheapest rate of the 51 U.S. jurisdictions we track.