Commercial maintenance performed on (2) Carrier RTU’S. Drain lines cleared, filters changed, condenser and evaporator coils inspected and all components checked per manufacturer specifications. Customer reports no issues at this time. Both “iWave C” commercial air cleaners are working properly and at about 669 hours of use at this time. Both units are in good condition and safe to operate for the season. Unit #1 Carrier M#48FCEM07A2A5A0A0A0, S#4019C81781. Filter size(s)-are (4)-16x16x2 pleated. Unit #2 Carrier M#48TCED12A2A5A0A0G0, S#3319P38825. Filter size(s)-are (4)-20x20x2 pleated. N/C has C/A. Honored from previous owner of this location.