Cost to Run a Window Air Conditioner in Arizona
Arizona's average residential electricity rate is 15.5¢/kWh as of April 2026 — the 20th cheapest in the country, 18% below the U.S. average. At typical usage (8 hours/day), a window air conditioner here costs $33.93 per month.
Per hour
$0.14
at 500–1,500 W
Per day
$1.12
8 hours/day
Per month
$33.93
219 kWh
Per year
$407
2,628 kWh
By usage level in Arizona
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.56 | $16.96 | $204 |
| Typical (8 hrs/day) | $1.12 | $33.93 | $407 |
| Heavy (16 hrs/day) | $2.23 | $67.85 | $815 |
Arizona 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 Arizona?
At Arizona's current average residential rate of 15.5¢/kWh (April 2026), a window air conditioner with typical usage costs about $1.12 per day, $33.93 per month, or $407 per year.
Is running a window air conditioner in Arizona more expensive than average?
No — it's cheaper. Arizona's rate is about 18% below the U.S. average: $33.93 per month here versus $41.15 nationally.
What does electricity cost in Arizona right now?
Arizona residents pay an average of 15.5¢ per kWh as of April 2026 — the 20th cheapest rate of the 51 U.S. jurisdictions we track.