http://www.jdmshit.com/index2.html
They can get you the engine mount kit you'll need which will include a mount for your AC(civic one) so you can stay nice and cool.
Here's another good site that should shed some light on the subject of the H22 swap.
http://www.h22hybrid.20m.com/index.html
$5,000 should be enough for this swap maybe with a little left over.