Hi Trip...
I have not used either of these products personaly.

That being said, if you exhaust a hood or any light fixture/enclosing..with a decent fan you should get GREAT results. Pulling the heat away from your light/plants and exhausting it AWAY from your grow allows you to get the light closer to your plants... With adequate ventilation they should be nearly equal... which means it will come down to your preference and space...

: )