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Cost to run a central air conditioner in Alabama
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$0.57/hour
Central Air Conditioner at 3,500 W in Alabama (16.33¢/kWh) · $139.00/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.57 | $17.38 | $208.62 |
| 2 h/day | $1.14 | $34.75 | $417.23 |
| 4 h/day | $2.29 | $69.50 | $834.46 |
| 8 h/day | $4.57 | $139.00 | $1,668.93 |
| 12 h/day | $6.86 | $208.50 | $2,503.39 |
| 24 h/day | $13.72 | $417.00 | $5,006.78 |
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 |
|---|---|---|
| Alabama | 16.33 | $139.00 |
| Oregon | 15.92 | $135.51 |
| Missouri | 16.02 | $136.36 |
| West Virginia | 16.31 | $138.83 |
| New Mexico | 16.51 | $140.53 |
| Indiana | 17.02 | $144.87 |
| Iowa | 17.06 | $145.21 |
FAQ
How much does it cost to run a central air conditioner in Alabama?
At 3,500 W and 16.33¢/kWh: $0.57 per hour, $4.57 per day and $139.00 per month at 8 h/day.
How does Alabama 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 Alabama
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