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Cost to run a central air conditioner in Missouri
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$0.56/hour
Central Air Conditioner at 3,500 W in Missouri (16.02¢/kWh) · $136.36/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.56 | $17.05 | $204.66 |
| 2 h/day | $1.12 | $34.09 | $409.31 |
| 4 h/day | $2.24 | $68.18 | $818.62 |
| 8 h/day | $4.49 | $136.36 | $1,637.24 |
| 12 h/day | $6.73 | $204.54 | $2,455.87 |
| 24 h/day | $13.46 | $409.09 | $4,911.73 |
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 |
|---|---|---|
| Missouri | 16.02 | $136.36 |
| Georgia | 15.90 | $135.34 |
| Texas | 15.91 | $135.43 |
| Oregon | 15.92 | $135.51 |
| West Virginia | 16.31 | $138.83 |
| Alabama | 16.33 | $139.00 |
| New Mexico | 16.51 | $140.53 |
FAQ
How much does it cost to run a central air conditioner in Missouri?
At 3,500 W and 16.02¢/kWh: $0.56 per hour, $4.49 per day and $136.36 per month at 8 h/day.
How does Missouri 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 Missouri
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