Quote Originally Posted by theedprado View Post
If you have access a surplus condensing unit from AC work you can get a titanium heat exchanger and run it in place of the air handler, you will just need to run a powerful pump to keep it from freezing. This way you can use all standard AC parts.
I've actually thought about doing that when I upgrade to a larger tank so I can have the condensor outside the fish room. For my first chiller, my dad did help me convert a small drink display cooler using that process, but it was too noisy and looked ugly in the room. Good idea, Ed.