Not to divert from OP's original question but has anyone ever used a commercial brazed-plate heat exchanger/separator instead of all this plumbing?
Here's an example:
Link to Website for SWEP BPHE / Separator
I don't have experience with these things but looks like an interesting way to get the air cooled and condensed water drained out in a small footprint. You'd need to have water running through it but that doesn't sound too difficult.