If you can't do a real exhaust outside you should build a sealed room (i.e. box) inside the room and keep the window (if there is one) open with a fan pointed at it. If the room you want to grow in doesn't have a window, this may not apply.
bud luv Reviewed by bud luv on . Sealed room ? I was wandering if I got a room but I can't really make a exaust outside, would it be possible to seal the room, include a Co2 generator, an dehumidifiers, an ozone generator (to kill the smell) and some air conditioning to get lower temps. Will this work ? Rating: 5