You might consider getting a radiator, car or truck, get the size you need.
Find one that has pipes long enough to solder on connectors.

"Ignoramus19820" wrote in message
. ..
I was highly impressed with use of evaporator coils for drying
compressed air.

I called a few HVAC contrators from yellow pages, and, unfortunately,
none of them could give me anything. I would like to hear some
creative ideas on where to get them.

i