Building a cab, have ventilation questions.

654123454

Member
I'm going to be building a cabinet to grow in. It's going to be 6'x2'x6' with a 240cfm inline fan pulling air out with a passive intake. I've attached a sketch of how I plan to have the airflow set up, but I'm not sure if this will be enough to keep the temps down. Air will be pulled from inside my house which is ~70°F. This if my first grow and first cabinet, so any help is appreciated.
 

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cbraaszsy

Well-Known Member
when my temps are 20c in the house and i run my 600 watt hps with 6 inch inline 333 cfm fan with dual 4 inch passive air intakes the box is between 28-33 (box dimensions are 3x4x6,8'tall) made of 1/2 inch plywood

but i now have 4" axial fans on each 4 inch intake and the intakes are connected to flex duct which now goes to an open window disguised of course and the temps are 22 at night and 26.5 while running (inline fan and 2 intake fans go off and come on with my light)
 
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