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Whole House Fan Sizing Calculator

Whole House Fan Sizing Calculator

How to Know What Size Whole House Fan You Need

By Ken D.
Product Expert

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

Effective
High-Efficiency Cooling

Faster
High-Efficiency Cooling

By Ken D.
Product Expert

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