To see if he would be caught by FLIR!
I vent my 400w into the attic. I live 2 blocks from the pig pen where they fly the fooking chopper...it is over my head all damn day and night and I absolutely hate it! It is like a war zone.
Although my roof is conspicuously void of frost on cold mornings...I have done this for over a year.
Again...unless you are running a huge op, or they are already suspicious of you, flir is not going to notice you unless you vent outside, do not make it look like a dryer (8" vent 6' up the wall) and do not deal with odor.
Smell and loose lips are your real fears.

