SFguy
Well-Known Member
cubic feet of air coming into the room is how i would figure it.
if you have a gap that large for air to exit just put a 4-6"/3-500CFM fan and use that to bring fresh air in to room (basement) or you could use Co2 and opt out of the intake i dont use Co2 and still have had great results.
if you have a gap that large for air to exit just put a 4-6"/3-500CFM fan and use that to bring fresh air in to room (basement) or you could use Co2 and opt out of the intake i dont use Co2 and still have had great results.
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