Whole house fans keep your house cool by removing hot air from your attic. While a whole house fan is extracting hot air from the attic, cooler air flows in through open windows.  The whole house fan reviews below consist of the top rated whole house fans on the market.  The best whole house fans are typically installed near the center of your attic. They are turned on in the early morning or late evening hours to exhaust the hot air from your attic.  Whole house fans work exceptionally well in moderately hot temperatures and can be used in conjunction with air conditioning to keep costs down.  Take a look at the whole house fans in the chart below as we compare some of the best whole house fans on the market.

 

Whole House Fan Reviews

Cool Attic CX24BDM-2SPD Belt Drive 2-Speed Whole House Fan

The Cool Attic whole house fan is one of the best whole house fans on the market. This is a 24-inch 2 speed whole house fan with shutters that is guaranteed to cool your house. This Cool Attic whole house fan model is designed for up to 1800 square feet in a one level house.  The CFM high low is 4500/1300.  The rough opening required for this whole house fan is 26″ x 28″ with outside shutter dimensions of 27-3/4″ x 29-3/4″.

 

Cool Attic CX30BD-2SPD Belt Drive 2-Speed Whole House Fan

The Cool Attic whole house fan is one of the best whole house fans on the market. This is a 30-inch 2 speed whole house fan with shutters that is guaranteed to cool your house. This Cool Attic whole house fan model is designed for 2000 to 3000 square feet in a one level house. The CFM high low is 7800/5400. The rough opening required for this whole house fan is 29-1/2″ x 32-1/4″ with outside shutter dimensions of 31-1/2″ x 34″.