Cost to Run a Garage Heater in Arizona
Arizona's average residential electricity rate is 15.2¢/kWh as of May 2026 — the 19th cheapest in the country, 17% below the U.S. average. At typical usage (3 hours/day), a garage heater here costs $69.31 per month.
Per hour
$0.76
at 2,400–7,500 W
Per day
$2.28
3 hours/day
Per month
$69.31
456 kWh
Per year
$832
5,475 kWh
By usage level in Arizona
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $1.14 | $34.66 | $416 |
| Typical (3 hrs/day) | $2.28 | $69.31 | $832 |
| Heavy (6 hrs/day) | $4.56 | $139 | $1,664 |
Arizona vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a garage heater in Arizona?
At Arizona's current average residential rate of 15.2¢/kWh (May 2026), a garage heater with typical usage costs about $2.28 per day, $69.31 per month, or $832 per year.
Is running a garage heater in Arizona more expensive than average?
No — it's cheaper. Arizona's rate is about 17% below the U.S. average: $69.31 per month here versus $83.90 nationally.
What does electricity cost in Arizona right now?
Arizona residents pay an average of 15.2¢ per kWh as of May 2026 — the 19th cheapest rate of the 51 U.S. jurisdictions we track.