How much does a box fan cost per month in Virginia?

About $1.65 a month, assuming 75 W, 10 hours a day, 150 days a year at 17.64¢/kWh.

How many kilowatt-hours does a box fan use?

Roughly 112 kWh a year under these assumptions, or 0.07 kWh for every hour it runs.

Is that expensive compared with other states?

Virginia has the 20th most expensive average residential rate in the country, so this appliance costs less here than the U.S. average of $20.43 a year.

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Cost to run a box fan in Virginia (August 2026 rates)

At 17.64¢ per kilowatt-hour — Virginia's average residential price in August 2026 — running a box fan costs $19.84 a year. That is 3% less than the national average of $20.43. Virginia's residential rate is up 11.3% from August 2025, which moves this appliance from $17.83 to $19.84 a year.

Per hour: 1.3¢
Per day of use: 13.2¢
Per month: $1.65
Per year: $19.84

Assumption: 75 W, 10 hours a day, 150 days a year — 112 kWh a year. 20-inch box fan on high. Low speed roughly halves the draw. Use the calculator to swap in the numbers from your own model.

How Virginia compares

Virginia pays 17.64¢/kWh, the 20th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to 58.5¢ less a year than the typical U.S. household pays for the same use. Running the same box fan costs $14.31 a year in Nevada and $53.08 in Hawaii, so where you live changes this bill by $38.77 a year.

State	Rate	Per month	Per year
Colorado	17.17¢	$1.61	$19.32
Minnesota	17.20¢	$1.61	$19.35
Virginia	17.64¢	$1.65	$19.84
Delaware	18.70¢	$1.75	$21.04
Illinois	19.32¢	$1.81	$21.73

States ranked by average residential price, cheapest first. See all 51 states for a box fan.

What else costs about the same in Virginia

Electric kettle$19.32 a year in VA Microwave$19.32 a year in VA Incandescent bulb$19.32 a year in VA

Cutting the number down

Pointing one out of an upstairs window at night pulls cool air through the whole house for a fraction of what cooling it costs.
Box fans are cheap to run but not free: continuous summer use adds up to real kilowatt-hours.

Questions

How much does a box fan cost per month in Virginia?: About $1.65 a month, assuming 75 W, 10 hours a day, 150 days a year at 17.64¢/kWh.
How many kilowatt-hours does a box fan use?: Roughly 112 kWh a year under these assumptions, or 0.07 kWh for every hour it runs.
Is that expensive compared with other states?: Virginia has the 20th most expensive average residential rate in the country, so this appliance costs less here than the U.S. average of $20.43 a year.