Perform a Annual maintenance check all operations on heating mode and cooling mode check filter check drain lines check temperature split check inducer motor check blower motor check CO levels checked heat exchanger check humidifier found that one of the humidifier pads are dirty needs to be replaced checked all electrical components on the outdoor unit check refrigerant charge wash both outdoor unit both systems are running when I left everything is running within manufacturer specifications thank you for having me out today Alex View visual findings from this job here - https://visionshare.xoi.io/?id=XA-178F-3F3BD08C873146D1A5426D9980A87D9F