I just started using a small A/C unit that's meant to be in a window. What I didn't realize is that cold air comes out one side, and hot ass exhaust comes out the other side. For A/C purposes this is fine, because the exhaust would be going out the window, but for grow room purposes it's kinda like 
. I guess it does bring the temp down, but it seems ineffecient. Are these the kind of A/C units people talk about having in their grow rooms?
. I guess it does bring the temp down, but it seems ineffecient. Are these the kind of A/C units people talk about having in their grow rooms?
