Carport condensation issue
1: You state you made a sun room out of your carport ? Just making certain we are on the same page.

Here is your problem : Before you enclosed the carport it was exposed to the outside temperatures just like the roof was, now that it is enclosed you have a temperature differential. It is warmer on the underside than it is on the top side. Insulate the roof / ceiling and you should not have the problem any more.