Tech serviced and cleaned unit. Upon arrival tech found water spicket leaking water. Tech informed customer about plumbing department. Customer would like a plumber to come out and fix the water spicket. Tech found evaporator coil to be severely rusted. Tech did a detailed leak search but could not find any consistent leaks. Tech faced no other challenges. Unit is heating and cooling efficiently. Tech recommends media filter but customer declined because he wants to take care of the plumbing repair first.