Arrived to the customers home to preform a silver club maintenance. I was greeted by the customer at the garage. Customer has been running the heater and said it has been running good to their knowledge. While preforming the maintenance I checked all aspects of the furnace. I checked blower and inducer motor for proper operation, checked and cleaned flame sensor. Checked the ignition cycle, checked evaporator coil, blower wheel, heat exchanger for cracks and failures, all electrical connections, pressure switch and safeties. Heater is in good working condition with no repairs needed at this time.