Fans are designed to only rotate in one direction. If you could reverse rotation they wouldn't work very well. So the only way to reverse flow is to flip the fan over.
Well..... He could wire up a
ceiling fan, prop it up on a box, and then if its turning the wrong way, just
pull the chain....Plus it has 3 speeds too. :wink: One more benefit. If he
wants to work on it, he can pull the third chain, and he has lights. hehehe