3 thoughts on “Which solar attic fan do I need?

  1. DIANE says:

    Hello. I have a 1,048 sq. ft. home. I was told to get a 40 watt solar attic fan, but you indicate a 20 watt would be sufficient. Should I get the 20 watt? Thanks, Diane.

  2. George Colacicco says:

    I am comparing which solar fan to buy to exhaust a solarium measuring 275 square feet with a clear gable roof. I estimate I need anywhwer from 1000 to 1950 cfm.

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