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Cost to run a dehumidifier in Delaware
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$0.08/hour
Dehumidifier at 450 W in Delaware (18.70¢/kWh) · $25.58/month at 10 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.08 | $2.56 | $30.71 |
| 2 h/day | $0.17 | $5.12 | $61.43 |
| 4 h/day | $0.34 | $10.23 | $122.86 |
| 8 h/day | $0.67 | $20.47 | $245.72 |
| 10 h/day | $0.84 | $25.58 | $307.15 |
| 12 h/day | $1.01 | $30.70 | $368.58 |
| 24 h/day | $2.02 | $61.40 | $737.15 |
Portable dehumidifiers draw about 300-700 W; Energy Star models remove more water per kWh.
Same appliance, nearby states
FAQ
How much does it cost to run a dehumidifier in Delaware?
At 450 W and 18.70¢/kWh: $0.08 per hour, $0.84 per day and $25.58 per month at 10 h/day.
How does Delaware 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 Delaware
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