Went for a tune up call today for heat. All electrical components are passing for manufacture specifications. Did a combustion test is within range. Inspected heat exchanger no cracks/leaks were detected. Temp split and is passing for specifications on furnace. When inspecting blower wheel did notice it has been collect dust on the motor. Did replace filter for customer. Cleaned flame sensor and pressure switch hose. Inspected humidifier water panel is due for replacement. System is up and running before departure. Thank you for choosing LBA services-Johann