How Much Does It Cost to Run a Tower Fan? (2026 Data)

Tower fans draw different wattage at each speed. The typical setting sits around 50 watts, which costs about 0.9 cents an hour at the US average rate from the EIA Electric Power Monthly. Drop to low and it pulls 25 watts at 0.45 cents an hour. Crank it to high and you get 100 watts at 1.8 cents an hour.

Per month at eight hours a day, those settings play out like this: Low (25 watts): 6 kWh, $1.08. Medium (50 watts): 12 kWh, $2.17. High (100 watts): 24 kWh, $4.33.

The 4x gap between low and high is the single biggest cost lever on any fan. Running on low all summer costs less than running on high for a single month. Most tower fans have at least three speeds, and many have eight or more. Each step down from high roughly halves the draw without halving the airflow, because fan blades move more air per watt at lower speeds.

Newer tower fans with DC brushless motors pull even less. A DC model on its lowest setting draws 15 to 20 watts, about a third of what an AC motor fan draws on low. At eight hours a day, a 20-watt DC fan costs $0.87 a month. The electricity savings are real but small in absolute terms. You won't recoup the $30 to $50 price premium on electricity alone unless you run the fan year-round for a decade.

The most common tower fan use case is the bedroom: oscillating all night for sleep airflow. Nine hours on medium uses 0.45 kWh, about 8.1 cents a night. Over 30 nights, that's $2.44. On low it drops to $1.22. On high, $4.87.

A 15-watt wifi router running 24/7 costs $23.72 a year. A tower fan at 50 watts for nine hours a night all year would cost $29.65. The fan draws more than three times the watts but lands in the same neighborhood, because it's off for 15 hours a day. Runtime, not wattage, is what moves the bill.

Built-in timers change the overnight math. Set the fan to shut off after four hours and you cut the bedroom cost in half. Most people fall asleep within 30 minutes of turning the fan on. The noise and airflow do their job well before dawn, and an auto-shutoff keeps the motor from running into the hours when you're asleep too deeply to notice.

Tower fans sit in the middle of the fan power spectrum. A box fan pulls about 100 watts on a typical setting, twice what a tower fan draws. At eight hours a day, a box fan costs $4.33 a month versus the tower fan's $2.17. Same job, same room, half the electricity.

A ceiling fan averages about 60 watts across its speed range. At the same eight hours a day, it costs $2.60 a month, close to the tower fan. The electricity gap is 43 cents a month. Choose between them based on where you need the airflow and whether you want something bolted to the ceiling, not the power draw.

An attic fan is a different category entirely, drawing 300 to 400 watts to cool the house by exhausting hot attic air. That kind of fan replaces the air conditioner in certain climates, not a tower fan in the bedroom.

The comparison that matters is fan versus air conditioning. A window AC drawing 1,200 watts at 50 percent duty cycle costs about $26 a month at the same eight hours. The tower fan at $2.17 is 12 times cheaper. A central AC at 3,500 watts and the same duty cycle runs about $76 a month. The full fan vs air conditioner cost comparison breaks down every combination.

At eight hours a day over a 90-day summer: Lasko T42951 (45 watts): 32.4 kWh, $5.85. Honeywell HYF290B (50 watts): 36 kWh, $6.50. Dyson Cool AM07 (56 watts): 40.3 kWh, $7.28.

The summer electricity gap from cheapest to priciest is $1.43. A Dyson costs four to five times more to buy than a Lasko and less than a dollar and a half more to run over the whole summer. Whatever sets these fans apart, it isn't the electric bill. The difference in noise, oscillation pattern, and build quality is worth more than any wattage spec.

A 50-watt tower fan uses 12 kWh a month at eight hours a day no matter where it's plugged in. Only the local rate changes:

Louisiana (12.44¢/kWh): $1.49. Texas (14.80¢/kWh): $1.78. US average (18.05¢/kWh): $2.17. New York (24.40¢/kWh): $2.93. California (31.01¢/kWh): $3.72. Hawaii (39.79¢/kWh): $4.77.

The most expensive state pays 3.2 times what the cheapest pays, and the fan still costs under five dollars a month. Even stacking worst-case numbers, a tower fan on high in Hawaii at eight hours a day comes out to $9.55 a month. There's no scenario in any state where a tower fan moves the electric bill in a way you'd notice. The state rates guide has every state's 2026 figure.

To run your own numbers at your state's rate, the tower fan calculator takes your wattage, daily hours, and local rate. For the appliances that actually drive up a summer bill, start with the most expensive appliances roundup.