Cost to run a dehumidifier
Short answer
Running a dehumidifier (~500W, ~12 hrs/day) costs about $1.01/day, $31/month, or $368/year at the U.S. average of 16.8¢/kWh.
Wattage
500 W
Per day
$1.01
Per month
$31
Per year
$368
Figures assume ~500W for ~12 hours a day at the U.S. average 16.8¢/kWh. Your state's rate and your real usage change the total — enter both in the calculator.
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Frequently asked questions
How much does it cost to run a dehumidifier?
About $1.01 per day, $31 per month, or $368 per year at the U.S. average of 16.8¢/kWh, assuming ~500W for ~12 hours a day.
How many watts does a dehumidifier use?
A typical dehumidifier draws about 500 watts when running. Your model may differ — check its label or a plug-in power meter and enter the real number in the calculator.
How can I cut the cost of running a dehumidifier?
Run it less, use a more efficient model, and check whether your utility offers cheaper off-peak (time-of-use) rates. Costs also vary 4× by state, so your local rate matters a lot.