fans

diehlerman

Active Member
ok I'm a wee bit confused on this subject, I've been reading through the FAQ and it said you only needed a fan for exhaust and not for the intake. would it make any difference to use one for intake or just not a good idea?
 

tusseltussel

Well-Known Member
i have never used an intake fan just an hole to let air in the bottom of the room opposite the side of exhaust at top an intake fan is more $$$ than you need to spend unless you got a really big op
 

sk3tch3

Well-Known Member
it really depends on your total room size and cfm rating on your exaust fan. not having a fan for intake is whats refferd to as a passive intake. if you run co2 you want your exaust fan on a thermostat, and an intake fan on 24/7 for fresh air when the exaust fan is off. make sence?
 
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