Performed heating tuneup on furnace. Wiped down all electrical wires and electrical components. System is full of construction dust tried my best clean up the surfaces. Replaced water panel for humidifier only customer did not want tune up. Performed combustion check on heat exchanger. Checked temperature rise. System is running within manufacturers specs at this time. Set humidistat for 35% and opened damper for humidifier. No other work performed at this time.