Okay,
my tent is 4x3.5 x7...
I have a blockbuster hood, a vortex s-line fan 347cfm full blast. I also am using the hortilux 600 watt hps light bulb. my temps read about 85..oh I also am using a Phat I think 500cfm carbon filter...
With tent door open I get temp down to 80 a little more at...