WE HAVE 13 LOCATIONS IN THE AREA .WE ALSO HAVE 13 MRC 400OR ACT4100 R12 MACHINES. ALSO HAVE 13 MRC 450 FOR 134A WORK. THESE WERE VERY EXPENSIVE UNITS THAT WE THOUGHT TO BE THE BEST . AFTER HAVING THEM NOW FOR A FEW YEARS THEY HAVE BEEN NOTHING BUT TROUBLE. CON... Login to read more.