Heating maintenance Jefferson. Completed one system heating maintenance. Found drain line not adequate. Re ran drain line. Installed inline float switch in secondary and drain pan float switch for better water damage prevention. System inside has clean evap coil and clean blower wheel. However inside does have concerning amounts of mold in system. Outdoor unit has good amps on fan and compressor. Capacitor is good and contactor is good. Recommend compressor saver to take load of. Compressor during start up and allow compressor to live longer.