yeah! it looks like it he's saying he has 5 window units. So latewood, would you think if i had a 8x8 room with intake and exhaust i could maybe use my light even not being enclosed air cooled hood? The reason i got the light in the first place is because a guy i know sold it to me for $150 with 2 bulbs, a metal halide and a warm burning MH for flowering. Im currently just growing two plants under 4, 4ft tubes and like 4 of those 150w equivilent cfls.