Box Fan Energy Consumption

Exact energy amounts vary based on the size of the fan s motor but most whole house fans use between 120 and 600 watts according to the national renewable energy laboratory but this is still much less energy than a central air conditioner uses.

Box fan energy consumption.

The average floor box fan uses 100 watts of electricity. Airflow is typically rated in cubic feet per minute cfm which helps indicate how quickly a fan can move the air in a given area. Like all fans a box fan s power is measured by how much air movement it provides. The addition of a box fan helps lessen the strain on an air conditioning unit by aiding full force air circulation and helping the air to circulate more quickly.

A simple method for calculating the wattage of any electrical device is to multiply the amps times the volts. Based on our calculations this means that it costs far less than 0 01 per hour to run making it extremely economical. What i discovered from my testing is that not only do air conditioners yes it s very obvious use more electricity than fans but they can use up to almost 9 to 10 times as much as a fan does. I was blown away with what i measured.

How much electricity does a box fan use. The ideal power consumption for a fan without losses can be expressed as pi dp q 1. You can see how much more efficient a fan is than an air conditioner using my data here. This information is usually found on the back of the appliance or on a tag affixed to the cord.

Box fan power consumption tends to be pretty low. Take the hurricane classic box fan one of the options in this list of box fan reviews it uses just 55 watts. A dc fan as opposed to an ac fan running directly on the 110 volt alternating current coming out of your wall outlet is.