Minimax lights... need some advise please.

evening all.. i have been growing for nearly a year and only just got onto the fact my buds are very very airy.. the problem i have which is driving me insane in my 120x120x2 am running a 600w hps light and a flood drain system all my grows have been real nice.. but my temps are blazing hence airy bud..

my local hydro shop keeper advised minimax lights can anyone who is running minimax lights let me know are they as good as the adverst say or are they sh(te?

peace.

no way to cool the room or the light. should be a cheaper route than a new light setup