Electric Attic Fan Advantages & Disadvantages


Having an electric fan in the attic can help with energy savings throughout the home because the attic temperatures affect the entire house. Electric fans come with many advantages as well as disadvantages that should be considered prior to installation.


  • Electric fans are very cheap to operate. They require very few watts of energy and therefore are cost-effective—even in summer months.

Limits AC Needs

  • Using an electric attic fan can prevent the use of an air conditioner within a house—assuming that the outside temperature is below 82 degrees. Electric fans work to draw heat out of houses and therefore can substitute for the air conditioner.

Lower Energy Efficiency

  • If the sealing is not installed correctly between the fan and the home, attic fans will lower energy efficiency by not working properly.


  • Attic fans are mounted on roofs, which makes them more prone to damage. This is more often the case in areas prone to harsh weather.

Other Fan Types

  • Although electric fans can lower the cost of electricity due to homes not requiring as much air conditioning, they still can cost more to maintain than solar attic fans, which use sunlight to operate.

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