cool tube that 1000w it will bring the temps alot. i used to run a 400w hps in my flowering box. my temps were hot, like high 90s.sometimes a 100. that was with air cond. hooked up and all. i cool tubed it and opened up more intake holes in my box. now with no ac (its winter) temps are at the highest of 84. if you know how to hunt a bargin. i believe i had less than $30 in cooltubing it.