Performed a 13 system cooling maintenance the ODT is 75° tested operation of equipment confirming indoor & outdoor equipment was fully operational.Once finished determining operation began evaluation on the indoor equipment there are two 18x25x1, ten 16x20x1 and one 20x20x1 they were discolored but not clogged each filter was replaced on this visit.Blower motor was fully operational not showing any signs of being intermittent or dropping out also inspected blower wheel and indoor evaporator coil was inspected on each system finding minimum build up will monitor to help guide knowing when cleaning is necessary.Drain line was blew out and flushed confirming it was not clogged and properly draining along with condensate pumps were tested confirming it was properly operating.SS1/SS2 and aqua guard safeties were tested confirming it was properly operating.Inspected wiring and connections not finding any broken, damaged or arced wires along with no loose connections.Once finished with evalua