
Whole House Fan Sizing Calculator
How to Know What Size Whole House Fan You Need
In order to get the right-sized whole house fan, you'll need to size it to exchange the appropriate amount of CFM (cubic feet of air per minute). Our whole house fan sizing tool can help you determine the right size for your home without doing a lot of math.
Whole House Fan Sizing Calculator
Enter House Square Footage (ft)
Enter Ceiling Height (ft)
Your Required Whole House Fan Airflow (CFM)
Approximately
CFM
For Effective Cooling
Approximately
CFM
For Faster Cooling

Recommended Whole House Fans
Model No.
Max Air Flow
Max Sound Level
Duct Run
Effective
Cooling
Cooling
Effective
High-Efficiency Cooling
High-Efficiency Cooling
To meet the recommended air change rate, your home will require two or more fans. Please contact us at (866) 554-4328 for help selecting the right whole house fan solution.
Faster
High-Efficiency Cooling
High-Efficiency Cooling
To meet the recommended air change rate, your home will require two or more fans. Please contact us at (866) 554-4328 for help selecting the right whole house fan solution.
To meet the recommended air change rate, your home will require two or more fans. Please contact us at (866) 554-4328 for help selecting the right whole house fan solution.
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