Super tune up performed on a Trane heat pump with air handler installed in 2020. All electrical connections are tight with no corrosion. Heat strips are pulling proper amperage. Blower wheel rl and evaporator coil are clean. Drains are clear. Compressor and condenser fan motor are acceptable. Refrigerant levels are in range. Outdoor unit was washed and waxed. Suggest adding an IAQ 300 Germicidal system to help with the air quality within the home.