Description : An "attic fan" or a "whole house fan", which would be better for my 2500 sq ft 2-story home in Chicago area?
Last Answer : I'll assume you don't have or don't use AC? The purpose is what defines the purchase, and remember this,,,NO matter what fan you use. Fans are designed to cool people, not rooms. Certainly if you ... efficient. I'd suggest ceiling fans as well. Rev. Steven Source(s): 25 plus years as a contractor