Super tune up performed today on an Amana air handler with heat pump installed in 2020. All electrical connections are tight with no corrosion. Heat strips are pulling proper amperage. Blower wheel and evaporator coil are clean. UV bulb was replaced on this visit. Compressor and condenser fan motor are acceptable. Defrost control board is working accordingly. Refrigerant levels are in range. Outdoor unit was washed and waxed.