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Cost to run a central air conditioner in Arizona
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$0.53/hour
Central Air Conditioner at 3,500 W in Arizona (15.05¢/kWh) · $128.11/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.53 | $16.01 | $192.26 |
| 2 h/day | $1.05 | $32.03 | $384.53 |
| 4 h/day | $2.11 | $64.05 | $769.06 |
| 8 h/day | $4.21 | $128.11 | $1,538.11 |
| 12 h/day | $6.32 | $192.16 | $2,307.17 |
| 24 h/day | $12.64 | $384.32 | $4,614.33 |
A 3-ton central AC typically draws 3,000-4,000 W while running; SEER rating and duct losses matter.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| Arizona | 15.05 | $128.11 |
| Oklahoma | 14.82 | $126.15 |
| North Carolina | 14.95 | $127.25 |
| Florida | 14.99 | $127.59 |
| South Dakota | 15.15 | $128.96 |
| Kansas | 15.47 | $131.68 |
| Montana | 15.57 | $132.53 |
FAQ
How much does it cost to run a central air conditioner in Arizona?
At 3,500 W and 15.05¢/kWh: $0.53 per hour, $4.21 per day and $128.11 per month at 8 h/day.
How does Arizona compare with other states?
The same use costs $108.27/month in Nevada (cheapest) and $401.60/month in Hawaii (most expensive); the US average is $154.58.
Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
Central Air Conditioner cost calculator · Electricity cost in Arizona
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