Box Fan Wattage Consumption Revealed (& Most Efficient Box Fan)

Many people do bring box fans into their home as it is considered to be the most efficient appliance to cool the room but when a person goes to buy a box fan they always want to know how efficient the box fan is and which is the most efficient. This article will guide about the box fan wattage consumption and which is the most efficient box fan. 

Box Fan Wattage Consumption Revealed:

The box fan wattage consumption of a box van is different according to the type of the box fan on average uses 73 watts of electricity when it is used at full speed, a box fan that is smaller than the usual size the box fan uses 27 watts of electricity, and a box fan which is 20 inches consume approximately 86.5 watts.

Box Fan Wattage
Box Fan Wattage

How Many Watts Does A Box Fan Use?

The Box Fan Wattage is different in different fans. If you have a larger box and it is operated at full speed then it will consume more electricity than the smaller fans. The usual size of a box fan consumes approximately 73 Watts when it is run at full speed and it will drop on average to 47.3 watts when it is run at the lowest speed and 59.5 Watts when it is run at the medium speed. The box fan having the least recorded speed which is done by research is 100 watts and 220 watts is the highest recorded wattage of the box fan. The box fan uses approximately 64.84% of the power rating when it is used at the lowest speed and when it is used at the medium speed setting it consumes 81.43% of the power rating.

The following are some different watts of consumption used by different types of box fans:

  • A 20-inch box fan.
  • A small box fan.

A 20-inch box fan:

When a box fan of 20 inches is used at the full speed it uses approximately 86.5 watts. On average calculation the box pan went is used at the lowest speed it consumes 56 watts and when a 20-inch box fan is used at the medium speed it consumes 70.5 watts. After research, the lowest recorded wattage of the genesis 20-inch box fan was 53 Watts and the highest wattage recorded was 220 watts. 

A small box fan:

On average a small box fan uses 27 Watts. And the lowest recorded wattage used by the small box Ban is 5 Watts and the highest recorded wattage used by the small box Pan is 45 watts. Also, the recorded wattage of the small box fan is also lower than the regarded lowest wattage of the Tower fan.

What is the Most Efficient Box Fan?

Brentwood 20 with A 3-speed box fan Is considered to be the most efficient box van which uses 20 Watts and does have cubic feet per minute of 2295. But when we look at the lower what’s used, the rating reviews given by the people featured, and the cost, the most efficient box fan can be the genesis box fan. to the cost of the box fan click here and table fan wattage click here.

Wattage Of Most Popular Box Fans:

Box Fan Wattage
Box Fan Wattage

The following table shows the most popular box fans with the usage of watts:

Box Fan Watts
1Lasko #B20301 20-Inch Premium Box Fan 3-SPEED110W
2AC Infinity AXIAL 1238 (vent box fan)18W
3Comfort Zone CZ9BWT (small tabletop box fan)30W
4Comfort Zone CZ200A 20″ 3-Speed Box Fan75W
5Lasko FF305 20-inch Box Fan and Air Purifier120W
6Holmes HBF2010AWM 20″ White100W
7Holmes HBF2001DP-BM 20-Inch Box Fan100W
8Lasko 20″ Weather-Shield Performance Box Fan112W
9Optimus F-1022 (personal box fan)25W
10LASKO 20-inch Box Fan55W
11Lasko 3733 20″ Fan Box92W
12Polar-Aire S-9PB Mini Box Fan, 9″ (personal box fan)29W
13Lasko 3721 20-inch Power Plus Box Fan102W
14Genesis 20″ Box Fan53W
15Amazon Basics DK1901 3 Speed Box Fan, 20-Inch67W
16Lasko 20 Inch Box Fan55W
17Comair Bx100 High-Performance Box Fan68W
18OPOLAR 8 Inch Fan (small tabletop USB box fan)5W
19Best Comfort 20″ Box Fan6W
20Lasko B20500 Weathershield Performance Box Fan, 20-Inch90W
21SOFASCO Cooling fan sA12038V1HSL-C (axial/exhaust box fan)32W
22CCC COMFORT ZONE 9 Inch Portable Box Fan, 9″24W
23HOLMES HBF2010AWM 20″ White 3 Speed Box Fan100W
24Lasko B20725 Metal Box Fan, 20-Inch100W
25Lasko 3743 Weather Shield Premium Plus Box Fan, 20-Inch90W
26Comfort Zone CZ10B – 10″ Portable Box Fan38W
27Brentwood Kool Zone Oscillating Fan, 30-inch100W
28Comfort Zone 20″ High-Velocity Turbo Fan65W
29Uniware 8062 20 Inch Box Fan82W
30Lasko B20401 Decor Colors 20″ Box Fan55W
Box Fan Wattage

Wattage And CFM Of The Most Sold Box Fans:

The following table shows the list of box fan wattage and CFM:

Box FanWattsCFM 
1Lasko 20 in. Box Fan55W1820
2Lasko 20 in. 3-Speed Box Fan75W1820
3Lasko 20 in. Power Plus Box Fan111W2000
4Lasko 20 in. 3-Speed Weather Shield Performance Box Fan90W2095
5Comfort Zone 9 in. White Box Fan with 2-Speed Front Control25W153
6Comfort Zone 20 in. White High-Performance Box Fan with Carry Handle75W640
7Comfort Zone 20 in. High-Performance Box Fan with Carry Handle in Black220W640
8Brentwood 20 in. 3-Speed Box Fan60W2294
9Brentwood 20 in. Black Box Fan60W 
10Impress 9 in. White Box Fan45W 
11Lasko Weather-Shield Select 20 in. 3-Speed Box Fan with Thermostat100W2195
12Lasko Premium 20 in. 3-Speed Box Fan102W2091
13GENESIS 20 in. Black 3-Speed Settings Box Fan with Max Cooling Technology53W1800
14Optimus 20-in. 3 Speed Box Fan75W1850
Box Fan Wattage


The wattage consumption of the box fan depends on various factors like the size, usage of the fan, how old the fan is, speed of the fan, and maintenance of the box fan. The average wattage of a box fan on average is 73 watts of electricity when used at full speed. 


What is the electricity consumption of a box fan when it is used for 24 hours?

The average cost to use the box fan for 24 hours is 26 cents per day, $1.84 per week, and $8.15 per month. 

How many votes a box Ban can use on low?

A box fan of 20 inches when it is used at its maximum speed is rated at 90- 100 watts and when it is used at the lowest speed it is rated from 40 to 50 words and when it is used at medium air speed then it is rated from 62 to 75 watts. 

Rick Costa

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