Furnace tune-up. Cleaned, tested and reset furnace to factory specs. Tested inducer motor, pressure switches, ignitor, gas valve voltage and pressure, flame sensor, blower motor amperage and capacitor. Inspect thermostat and heat exchanger. Replaced furnace filter that customer provided. Everything else is in adequate working condition. Customer renewed VIP maintenance program. One visit is being used today and she will have one remaining for 2025 cooling season