So I have a 8x8x8 room with 4 1000w hps 8" blockbuster hoods. My room is sealed with no c02. 2 can fans 745cfm blowing through the lights. Inside the room I have another can fan 645cfm sitting on a crab filter. Along with 2 wall mount fans. I have a 6000btu ac and it keeps my heat at 81. I'm...