Can anyone point me in the right direction to obtain information and possibly dimensions to properly size a water to freon heat exchanger to replace the freon to air condenser on the present compressor unit?

I suppose that buying one already made is OK too. I'm wired up backwards so that my default inclination is to design and build my own. I can be talked out of it, but there is that satisfaction of knowing you built it with your own hands.

I have welding and machining capabilities. I'll let a professional HVAC tech handle removal and recharge of freon while the exchanger is being installed.

There are three wells on the property, so ground source water shouldn't be a problem.

http://ecorenovator.org/series/diy-ground-source-heat-pump/

I'll readily admit up front that I'm not the biggest fan of ground source heat pumps, but would it not gain you more to put all this effort into improving the thermal envelope (insulating, sealing, windows, ...)? Just a thought.

Gary