Cost to Run a Garage Heater in Arizona
Arizona's average residential electricity rate is 15.4¢/kWh as of July 2026 — the 18th cheapest in the country, 16% below the U.S. average. At typical usage (3 hours/day), a garage heater here costs $70.22 per month.
Per hour
$0.77
at 2,400–7,500 W
Per day
$2.31
3 hours/day
Per month
$70.22
456 kWh
Per year
$843
5,475 kWh
By usage level in Arizona
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $1.16 | $35.11 | $422 |
| Typical (3 hrs/day) | $2.31 | $70.22 | $843 |
| Heavy (6 hrs/day) | $4.62 | $140 | $1,686 |
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 15.4¢/kWh (July 2026), a garage heater with typical usage costs about $2.31 per day, $70.22 per month, or $843 per year.
Is running a garage heater in Arizona more expensive than average?
No — it's cheaper. Arizona's rate is about 16% below the U.S. average: $70.22 per month here versus $83.45 nationally.
What does electricity cost in Arizona right now?
Arizona residents pay an average of 15.4¢ per kWh as of July 2026 — the 18th cheapest rate of the 51 U.S. jurisdictions we track.