Do Fans Consume A Lot Of Electricity. The humid air passing through the inside coil is cooled below the dew point and water condenses on it. To discuss the costs further in details a decent ceiling fan would require 30 watts of power to run whereas a decent air conditioner would require around 12 kilowatts of power to run.
While an HVAC uses 500 to 1400 watts per hour or 3000 to 5000 watts per day depending on how long it runs. Doug Keffelers answer is correct. Fan is usually nothing but a single phase induction motor.
The fan itself runs about as much energy as a refrigerator would.
According to the Central Iowa Power Cooperative the typical box fan is rated at 200 watts. How much electricity does a fan use. June can be unbearably hot in Singapore which has a tropical rain-forest climate. Compared to air conditioning units do fans use a lot of electricity.
