loolagigi Well-Known Member Apr 6, 2008 #1 how many do i need for a room 8x7x5.....with a passive intake, cmon guys i need some help here...
Picasso345 Well-Known Member Apr 6, 2008 #2 Well you have 280 ft3. So a 280 cfm fan would exchange the air in the room once a minute. I like to have once a minute or better.
Well you have 280 ft3. So a 280 cfm fan would exchange the air in the room once a minute. I like to have once a minute or better.