Performed AC cool check. Checked electrical, mechanical, safety, and performance of the system. The drain line was cleared and treated. The low voltage wiring on the furnace control board was tightened. The blower wheel is clean and the capacitor for the blower motor is within value. The filter was replaced with a customer supplied filter. The condenser coil was cleaned. The capacitor for the condenser unit is within value. The contactor and condenser fan motor are both in good condition. The refrigerant charge is within factory specifications. No major issues were found, and the system is running at the time of departure.