Perform one system diagnostic for whole home. Inspector unit located in attic found ductwork non-insulated and evidence of rodent. Supply Plenum was also not sealed. No TE flood protection. Incorrect gas connections and gas settlement trap. Dirty blower wheel blower motor draw high amps And filled blower capacitor. Outdoor unit completely compacted. Dual capacitor outside fail and has a pitted contactor. Due to cost of repairs and age of system recommend replacing system. Unit is also double filtered. Unit is operational at this time however not efficiently cooling lower level. Based on our findings today, it might be time to think about getting a brand new system.