Performed 2 system diagnostic. For main and upstairs units. Upstairs- found failed blower motor. Motor was locked up with failed capacitor, dirty filter that wasn’t changed since 2023, blower wheel was dirty.no water safeties, evap coil was frozen all the way outside, rust in burner compartment and in burners from water. Unit is R22 Main- found failed blower motor ,failed run capacitor, no pan, no water safeties, dirty blower, charring in board, evap coil also frozen to outside unit. Unit is original to home R22. Filter extremely dirty as well Due to age of units , types of refrigerant and cost of repairs would recommend replacing units and joining homecare. Units are non operational t this time. Based on our findings today, it might be time to think about getting a brand new system.