Furnace maintenance. Cleaned and serviced furnace due to plan. Tested inducer motor, pressure switches, ignitor, gas valve voltage and pressure, flame sensor, blower motor amperage and capacitor. Inspect thermostat and heat exchanger. Everything is in adequate working condition. The inducer motor is starting to make a noise and may need to be replaced in the future. System is operating and heating as it should at this time. Customer will renew annual VIP maintenance program in spring.