Now that our garage is being used for playing table tennis and not just parking cars and working on stuff, i.e. the missus is now in the garage, she says it is too hot and has given the ok to work out some cooling. So the question is, what do people use for cooling such a big area with a big roller door that acts as a radiator? Should I just go a huge floor standing fan, roof is too low for ceiling fans, or get a portable a/c?