how to pull cold air through blower and hood?

greco3x

Active Member
have a 4" blower sucking air from my hood and outside the tent. problem is, im sucking air from the garage which is already like 85 degrees, and then pushing the air through the hood and into the attic through a hole in the roof. how can i make the air cold just as it gets sucked into the hood? at first i thought about a bucket of ice but thats pretty darn innefficient, running an a/c is out of the question because i have the blower and 1000w plus fan and couple t5's. any ideas? i started thinking about putting a pump up to this tiny radiator i have and cycle some water through it if i can
 
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