I have my AC lic. but there's no way in he** I was going to pay the prices they wanted! The R12 was colder! But I'm satisfied w/the R134! There was a p[ost awhile ago about another Refg. don't know where it's at! Maybe one of these fine posters could hook you up!! <img src="/forums/images/graemlins/kewl.gif" alt="" />