APU or Generator

[barf]

I'm in the middle of installing a mini-split. I only have to get some company to charge it with R410A now. I'm second guessing if I should have gone this route. The outside unit seems really heavy and I'm not sure the metal on the back of my ProStar can handle it. And the costs are adding up far far more than a window unit.

I can update later, but there is another thread that other guys have done this already:
http://rawze.com/forums/showthread.php?tid=1569