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Choosing The Best Attic Fan for You


by DoItYourself Staff

Without an attic fan, the temperature in your attic can climb to a searing 150 degrees. By dispelling hot air out of your attic an attic fan can reduce the temperatures of your upper level rooms by 10 degrees, extend the life of your roof shingles, and cut air conditioning expenses by up to 30 percent.

Attic Fan Types

  • Attic fans are powered by electric or solar and come in two types:
  • Roof top―A dome-shaped, waterproof fan installed on the roof with a base secured by roof shingles.
  • Gable-end―A circular fan mounted to the inside of the gable vent.

Features of a Quality Attic Fan

  • Thermostat that operates fan automatically
  • Durable, metal construction
  • Heavy screen to repel pests
  • Firestat to turn off the fan during a house fire
  • Permanently lubricated motor

Factors of Attic Fan Savings

The cost efficiency you derive from your attic fan is determined by:

  • Roof color;
  • Shade on the home
  • Insulation quantity
  • Cooling system efficiency

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