Quote Originally Posted by t00nces2 View Post
They are found inside home unit air handles. I would say larger units. The smaller ones just have one coil.
oh thanks yeah thats what the a/c guy gave me he said it was a furnace lol well they do look similar except for one has better value then the other lol since its got copper coils=) what about the ali coils has anyone ever taken them in as tubes like i do with the copper ones and what were they classified as?