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Cost to run a dehumidifier in Connecticut
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$0.11/hour
Dehumidifier at 450 W in Connecticut (24.51¢/kWh) · $33.53/month at 10 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.11 | $3.35 | $40.26 |
| 2 h/day | $0.22 | $6.71 | $80.52 |
| 4 h/day | $0.44 | $13.41 | $161.03 |
| 8 h/day | $0.88 | $26.82 | $322.06 |
| 10 h/day | $1.10 | $33.53 | $402.58 |
| 12 h/day | $1.32 | $40.24 | $483.09 |
| 24 h/day | $2.65 | $80.47 | $966.18 |
Portable dehumidifiers draw about 300-700 W; Energy Star models remove more water per kWh.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| Connecticut | 24.51 | $33.53 |
| Pennsylvania | 21.77 | $29.78 |
| Michigan | 22.99 | $31.45 |
| Vermont | 23.84 | $32.61 |
| New Jersey | 24.61 | $33.67 |
| District of Columbia | 25.98 | $35.54 |
| New Hampshire | 27.64 | $37.81 |
FAQ
How much does it cost to run a dehumidifier in Connecticut?
At 450 W and 24.51¢/kWh: $0.11 per hour, $1.10 per day and $33.53 per month at 10 h/day.
How does Connecticut 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 Connecticut
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