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Cost to run a dehumidifier in Maine
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$0.14/hour
Dehumidifier at 450 W in Maine (32.11¢/kWh) · $43.93/month at 10 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.14 | $4.39 | $52.74 |
| 2 h/day | $0.29 | $8.79 | $105.48 |
| 4 h/day | $0.58 | $17.57 | $210.96 |
| 8 h/day | $1.16 | $35.14 | $421.93 |
| 10 h/day | $1.44 | $43.93 | $527.41 |
| 12 h/day | $1.73 | $52.71 | $632.89 |
| 24 h/day | $3.47 | $105.42 | $1,265.78 |
Portable dehumidifiers draw about 300-700 W; Energy Star models remove more water per kWh.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| Maine | 32.11 | $43.93 |
| Alaska | 29.41 | $40.23 |
| California | 29.75 | $40.70 |
| Massachusetts | 30.48 | $41.70 |
| Hawaii | 47.18 | $64.54 |
FAQ
How much does it cost to run a dehumidifier in Maine?
At 450 W and 32.11¢/kWh: $0.14 per hour, $1.44 per day and $43.93 per month at 10 h/day.
How does Maine 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 Maine
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