Performed prepaid maintenance. 2 system both 2016. Ruud Air Handler: MN/RH1T2417STANJA SN/W151614902 Lennox Air Handler: MN/CBX25UH-024-230-1 SN/6016A14526 Ruud Condenser: MN/RP1424AJ1NA SN/W031615864 Lennox Condenser: MN/14HPX-024-230-19 SN/1916A20021