Air Exchanger Sizing Calculator

A properly sized Air Exchanger will completely replace the air inside your house a total of 6 times per day. It is necessary to compute the amount of air inside your house. The result will be in CFM or cubic feet per minute, and will represents the air flow required to accomplish 6 exchanges per day.

All dimensions should be in feet. Basements may be considered as a seperate floor.

Floor 1 Length Width Height Floor 2 Length Width Height Floor 3 Length Width Height Floor 4 Length Width Height Floor 5 Length Width Height