Performed maintenance on Trane system installed by another company in 2018 for client who has been in the home 18 years. Cleared drain line. Removed debris from outdoor unit and rinsed outdoor coils. Applied wax and polished unit. Electrical components and refrigerant levels good at this time. Media air cartridge and indoor coils clean. UV bulb installed in 2018 no longer operating and biological growth present in the unit. Client not interested in membership at this time. System cooling well upon departure. Collected 39 with Mastercard