Performed ESA on one system, main downstairs system. Began maintenance on mini split and found it to be not heating or cooling. Found system out of refrigerant, quoted customer on leak search. Customer opted to have field supervisor come out and quote new system vs making any repairs. Left system off, did not perform maintenance on this system due to diagnosis. Found no issues today with main system, system is operating properly. Will need to return with two 14x20x1 filters.