Energy Costs of Fans Fans, in general, do not consume a lot of energy. ... Over time, however, using a DC fan saves you money. A contemporary DC fan typically costs less than a penny per hour to run at its highest speed. Leaving such a fan on high speed 24 hours a day for a month costs about five dollars.
How much does having a fan on all night cost?
Energy Costs of Fans Over time, however, using a DC fan saves you money. A contemporary DC fan typically costs less than a penny per hour to run at its highest speed. Leaving such a fan on high speed 24 hours a day for a month costs about five dollars. At medium speed, it could cost even less.
How much does a fan cost?
A fan costs around $0.02 to run. That means that it only costs around $0.25 to run a fan for a whole day. Running a fan is super cheap, especially compared to other appliances like air conditioners.