Just started flower today in a box 2 x 2 x 5 H Under 8x40W soft white cfls with 3000 lumen output each. There is a exhaust fan on top ran into attic with dryer exhaust tubes. Undernearth that i have a 9v .14 computer fan just mounted on the wall blowing up to the exhaust. Another 12 watt for intake connected to closet door hole, i took the knob off and connected it there. The temp stays at a solid 82... a lil high i think with 240W...Should i keep my closet door open? most importantly is this space too small for this wattage?