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5:40
YouTube
VRF Wizard
How to Calculate Air Changes per Hour
There is a simple way to calculate the air changes required for any room. The calculation works two ways; 1) If you know the Cubic Volume of the room you can calculate the ACH (Air Changes per Hour) 2) If you know the CFM that has been specified for the room, you can determine how many air changes for the room. Air changes are used by various ...
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