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Cost to run a dehumidifier in Missouri
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$0.07/hour
Dehumidifier at 450 W in Missouri (16.02¢/kWh) · $21.92/month at 10 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.07 | $2.19 | $26.31 |
| 2 h/day | $0.14 | $4.38 | $52.63 |
| 4 h/day | $0.29 | $8.77 | $105.25 |
| 8 h/day | $0.58 | $17.53 | $210.50 |
| 10 h/day | $0.72 | $21.92 | $263.13 |
| 12 h/day | $0.87 | $26.30 | $315.75 |
| 24 h/day | $1.73 | $52.60 | $631.51 |
Portable dehumidifiers draw about 300-700 W; Energy Star models remove more water per kWh.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| Missouri | 16.02 | $21.92 |
| Georgia | 15.90 | $21.75 |
| Texas | 15.91 | $21.76 |
| Oregon | 15.92 | $21.78 |
| West Virginia | 16.31 | $22.31 |
| Alabama | 16.33 | $22.34 |
| New Mexico | 16.51 | $22.59 |
FAQ
How much does it cost to run a dehumidifier in Missouri?
At 450 W and 16.02¢/kWh: $0.07 per hour, $0.72 per day and $21.92 per month at 10 h/day.
How does Missouri compare with other states?
The same use costs $17.40/month in Nevada (cheapest) and $64.54/month in Hawaii (most expensive); the US average is $24.84.
Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
Dehumidifier cost calculator · Electricity cost in Missouri
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