Furnace tune-up and safety inspection. Cleaned and serviced furnace. Tested all mechanical components. Cleaned condensation trap and all hoses. Cleaned all sensors. Checked blower motor amperage and capacitance. Tested gas valve and checked inlet/outlet pressures. Cleaned all pressure switch hoses out. Replaced the humidifier pad(35) that the customer provided. The system is clean, heating, and operating properly at this time. Cleaned the shower head of calcium buildup. Joined VIP service club.