Do whole house fans helps for better attic insulation?

Attics can be brutally hot on a summer's day.Good ventilation option can save your room or even your electric budget much as you have expected.Installation of whole house fan pulls air in from open windows and releases it through the attic and roof. It provides good attic ventilation as well as whole-house ventilation.For more information check this site:- http://www.quietcoolsystems.com/