ok im growing in a closet but i have no doors and the room the closet is in is just for the plants. the space i use is for the plants is 3 1/2 by 5 1/2 feet. i have a 400 watt hps and 8 150 watt cfls. my temps are at 74 with the lights off and 80 with the lights on maybe higher at times. the hum. is at 58. i always have the celling fan on. what else can i do to bring temps down. and ideas would be great. thanx