8 lights ir heat?

my friend is setting a a grow room he has 2 2x2x2 meter tents 4 lights in each so 8 600watts hps lights this will be in his detached double garage, outside of this he has build a room from wood (stud walls), so if you can imagine a room insidie a room plus its in tents, then its all covered in thick insulation and mylare sheeting again,

do you think eye in the sky can see it? will it stand out as alot of heat and get raided? raise suspestion?


is there anything that actully can cover up the heat? so ir cant see it?

IR Block is offered at many hydro shops......