How Much Does It Cost to Run a Dehumidifier? (May 2026)
Running a Dehumidifier (280 W typical) for 12 hours a day costs between $12.45 per month in Idaho and $52.42 per month in Hawaii, at each state's official average residential rate for May 2026.
Dehumidifier: what it costs you
Pick your state and how long it runs each day. Nothing you type is stored.
- Cost per month
- $19.68
- Cost per year
- $236.11
Assumes a 30-day month (year = 12 × month) at Ohio's average residential rate of 19.52¢/kWh (U.S. EIA, May 2026). Your plan's price differs.
Typical wattage: 280 W (DOE Energy Saver, verified 2026-07-17) — ~30 pint unit ~280 W (ENERGY STAR). A representative figure, not a spec sheet for your model.
Monthly cost in every state (12 hours/day)
| State | Price | Cost / month |
|---|---|---|
| Hawaii | 52.00¢/kWh | $52.42 |
| California | 33.25¢/kWh | $33.52 |
| New York | 29.93¢/kWh | $30.17 |
| Rhode Island | 29.46¢/kWh | $29.70 |
| Massachusetts | 28.82¢/kWh | $29.05 |
| Maine | 28.63¢/kWh | $28.86 |
| Alaska | 28.23¢/kWh | $28.46 |
| Connecticut | 27.37¢/kWh | $27.59 |
| New Hampshire | 27.33¢/kWh | $27.55 |
| District of Columbia | 25.40¢/kWh | $25.60 |
| Vermont | 24.89¢/kWh | $25.09 |
| Illinois | 23.85¢/kWh | $24.04 |
| New Jersey | 23.27¢/kWh | $23.46 |
| Michigan | 22.01¢/kWh | $22.19 |
| Maryland | 21.77¢/kWh | $21.94 |
| Pennsylvania | 21.55¢/kWh | $21.72 |
| Wisconsin | 19.74¢/kWh | $19.90 |
| Ohio | 19.52¢/kWh | $19.68 |
| Delaware | 19.38¢/kWh | $19.54 |
| Indiana | 18.15¢/kWh | $18.30 |
| Virginia | 17.61¢/kWh | $17.75 |
| Minnesota | 16.95¢/kWh | $17.09 |
| West Virginia | 16.80¢/kWh | $16.93 |
| Alabama | 16.77¢/kWh | $16.90 |
| Texas | 16.44¢/kWh | $16.57 |
| Oregon | 16.27¢/kWh | $16.40 |
| South Carolina | 16.18¢/kWh | $16.31 |
| Colorado | 16.16¢/kWh | $16.29 |
| Mississippi | 16.16¢/kWh | $16.29 |
| Georgia | 15.84¢/kWh | $15.97 |
| South Dakota | 15.73¢/kWh | $15.86 |
| Arizona | 15.23¢/kWh | $15.35 |
| Florida | 15.17¢/kWh | $15.29 |
| Kansas | 15.13¢/kWh | $15.25 |
| North Carolina | 15.09¢/kWh | $15.21 |
| Kentucky | 14.98¢/kWh | $15.10 |
| Washington | 14.95¢/kWh | $15.07 |
| Wyoming | 14.80¢/kWh | $14.92 |
| Montana | 14.67¢/kWh | $14.79 |
| Tennessee | 14.47¢/kWh | $14.59 |
| Arkansas | 14.36¢/kWh | $14.47 |
| Louisiana | 14.15¢/kWh | $14.26 |
| Iowa | 14.14¢/kWh | $14.25 |
| New Mexico | 14.12¢/kWh | $14.23 |
| Missouri | 13.68¢/kWh | $13.79 |
| North Dakota | 13.61¢/kWh | $13.72 |
| Nevada | 13.60¢/kWh | $13.71 |
| Nebraska | 13.59¢/kWh | $13.70 |
| Oklahoma | 13.38¢/kWh | $13.49 |
| Utah | 12.96¢/kWh | $13.06 |
| Idaho | 12.35¢/kWh | $12.45 |
How to cut this cost
- Run it fewer hours. The cost above scales linearly with runtime - use the calculator to see what your actual hours cost.
- Measure what it really draws. The wattage here is a typical DOE figure; a plug-in electricity usage monitor shows what your unit actually uses.
- Compare it with similar loads: window air conditioner, portable air conditioner, central air conditioner, ceiling fan, box fan.
- See what else drives your bill. Our guide to what uses the most electricity in a home ranks every load we cost out here, and how to lower your electric bill ranks the levers by how much they actually save.
Frequently asked questions
- How much does it cost to run a Dehumidifier?
- Running a Dehumidifier (280 W typical) for 12 hours a day costs between $12.45 per month in Idaho and $52.42 per month in Hawaii, at each state's official average residential rate for May 2026.
- How many watts does a Dehumidifier use?
- A typical dehumidifier draws about 280 watts (~30 pint unit ~280 W (ENERGY STAR).), per DOE Energy Saver figures. Actual draw varies by model.
- How can I lower the cost of running a Dehumidifier?
- The cost scales linearly with runtime, so cutting hours cuts cost directly. A plug-in electricity usage monitor shows what your specific unit draws, since the wattage above is a typical DOE figure, not your model's spec. For the full picture of what else drives your bill, see what uses the most electricity in a home.
Rates: U.S. Energy Information Administration residential average retail price, May 2026 (public domain). Typical wattage: 280 W, DOE Energy Saver, verified 2026-07-17 (~30 pint unit ~280 W (ENERGY STAR).). Costs assume a 30-day month at the state's average residential rate; your model, usage and plan price differ.