Upon arrival spoke with the customers mom. Explained what I would be doing today. Started with older system in hall. Coil and blower are clear. Wires are tight. Cleaned drain line. Filter is clear. Unit is level. Found no leaks on coil. Wires are tight and heat strips checked within specs. Went to outdoor unit, wires are all tight. Contacter and capacitor are older but working well at this time. Fan and compressor amped within specs. Refrigerant levels are within specs. Compressor Megohmed green. Disconnect wires are tight. Unit is older and could fail at any time but it is working well at this time. Main unit, stat is working well. Went to indoor unit and made sure dampers are working properly. Fan and coil are clean. Cleaned drain line. Wires all tight. Filter is clean. Went outside, coil is clean. All wires on board are tight. Motors all working well. Refrigerant levels checked within specs. Disconnect wires are tight. Surge protector is working good at this time. Customer came ho