 three to four years, and the guy came and rejacked it up two times, and the R22 is still the bad time. We keep getting mixed information regarding how dangerous that Freon leak is and if it's something that you need to be concerned with as far as having it ducted and cleaned out or if just getting the machine repaired itself will be sufficient. So this sounds like a split ductless system where you have a compressor outside and you have an air handler mounted on the wall inside.