Check Cody arrived to customer's home, I met Joey and he guided me inside to the thermostat and to the access to the indoor unit. I started my tune up inside at the indoor unit, the coil was clean the blower wheel was clean, I swapped out the filter, and the heat strips were pulling proper amperage. I then headed outside and wash the coil clean, and let it dry before taking my refrigerant readings. The electrical test for the inrush amperage for the compressor came back high likely because a hard start kit was not installed. The running amp test for the compressor and fan motor both came back well below manufacturer specifications according to the data tag. When taking the readings of the refrigerant charge my gauges were telling me that it was possibly undercharged but I believe it is because it is a cool day outside and there was no stress on the system, when taking the temperature split of the return and supply grills it was blowing very cold leading me to believe that the charger s