R152a - A/C alternative fill... (Page 6/6) RWDPLZ JUL 26, 11:45 PM How have you guys not overthrown Trudeau yet? Most of Canada is right on the border, apparently Calgary is a 3 hour drive. Given the expense, it's probably still worth it. Vacuum down system and check for leaks, drive to American auto parts store, rent gauge set and buy refrigerant, fill system in auto parts store parking lot, cross border again with Dudley Do-Right none the wiser. Of course, air conditioning isn't really needed that 3 months out of the year it isn't snowing...