Furnace tune-up and safety inspection. Cleaned and serviced furnace. Tested all mechanical components. Cleaned all sensors. Replaced humidifier pad filter due to calcification, supplied by customer. The customer just changed the furnace filter. The system is clean, heating, and operating properly at this time. Customer renewed VIP maintenance plan. One visit is being used today, and he will have the spring/ac visit of 2026 prepaid remaining on the plan. Performed a free plumbing inspection.