since my closet was built and not in the wall would i have to drill holes in my closet to allow the fan to exaust the air out of the closet..its like a big box in my house and need to keep it from smelling cuz i have a roomate upstairs....i have a 250w hps....is this enuf light or shud i add sum other lights to the small room...its 5.5' high and 2' wide and bout 2' deep....ne suggestioins will help please help shud b starting soon and wanna do this right