There’s definitely some mercenary’s in this trade, how many offices would have sold a Service Agreement sight unseen? Maintaining junk is more profitable then replacement at least that was what I was told in Collage. Price appropriately! Before they give you the shopping list. And ALWAYS CYCLE the unit (a hard lesson learned) yes I understand it doesn’t work correctly, or at all. Xzibit of HVAC, I call it PIMP MY EQUIPMENT. Not any suggestions just what I think when I get calls like that.