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Cost to run a window air conditioner in Missouri
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$0.14/hour
Window Air Conditioner at 900 W in Missouri (16.02¢/kWh) · $35.06/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.14 | $4.38 | $52.63 |
| 2 h/day | $0.29 | $8.77 | $105.25 |
| 4 h/day | $0.58 | $17.53 | $210.50 |
| 8 h/day | $1.15 | $35.06 | $421.01 |
| 12 h/day | $1.73 | $52.60 | $631.51 |
| 24 h/day | $3.46 | $105.19 | $1,263.02 |
A 8,000-10,000 BTU window unit draws roughly 700-1,000 W while the compressor runs.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| Missouri | 16.02 | $35.06 |
| Georgia | 15.90 | $34.80 |
| Texas | 15.91 | $34.82 |
| Oregon | 15.92 | $34.85 |
| West Virginia | 16.31 | $35.70 |
| Alabama | 16.33 | $35.74 |
| New Mexico | 16.51 | $36.14 |
FAQ
How much does it cost to run a window air conditioner in Missouri?
At 900 W and 16.02¢/kWh: $0.14 per hour, $1.15 per day and $35.06 per month at 8 h/day.
How does Missouri compare with other states?
The same use costs $27.84/month in Nevada (cheapest) and $103.27/month in Hawaii (most expensive); the US average is $39.75.
Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
Window Air Conditioner cost calculator · Electricity cost in Missouri
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