Apr 9, 2008 #1 J JimmiG 2[H]4U Joined Apr 3, 2008 Messages 2,429 Just a quick question - Suppose I have two 80mm exhaust fans, each pulling 25cfm.. would that be the same as having a single 80mm pulling 50cfm? Or can't you add up the airflow numbers like that?
Just a quick question - Suppose I have two 80mm exhaust fans, each pulling 25cfm.. would that be the same as having a single 80mm pulling 50cfm? Or can't you add up the airflow numbers like that?
Apr 9, 2008 #2 Z Zero82z Fully [H] Joined Jan 20, 2004 Messages 27,897 You can add CFM ratings, since they represent the volume of air moved.
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