Billowatt

Cost to Run a Portable 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 portable air conditioner here costs $37.70 per month.

Per hour

$0.15

at 700–1,500 W

Per day

$1.24

8 hours/day

Per month

$37.70

243 kWh

Per year

$453

2,920 kWh

By usage level in Arizona

Usage Per day Per month Per year
Light (4 hrs/day) $0.62 $18.85 $226
Typical (8 hrs/day) $1.24 $37.70 $453
Heavy (16 hrs/day) $2.48 $75.39 $905

Arizona vs. the rest of the country

Monthly cost at typical usage.

Arizona $37.70
West average $47.82
U.S. average $45.72

Frequently asked questions

How much does it cost to run a portable air conditioner in Arizona?

At Arizona's current average residential rate of 15.5¢/kWh (April 2026), a portable air conditioner with typical usage costs about $1.24 per day, $37.70 per month, or $453 per year.

Is running a portable air conditioner in Arizona more expensive than average?

No — it's cheaper. Arizona's rate is about 18% below the U.S. average: $37.70 per month here versus $45.72 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.

Portable Air Conditioner costs in nearby states

What else costs to run in Arizona

See the full Arizona electricity cost guide →