As far as the flowering room, we're getting a rather large inline fan or two. Hopefully just one that sucks air through the cool tube across the bulb and out of the room as the single source of ventilation plus a few oscilating fans inside and air conditioning as well. We might just get two smaller fans, one that sucks air in from outside, blows it across the light and back out, and then one that just sucks air out through a carbon filter. Any input?