Furnace tune-up and safety inspection. Cleaned and serviced the furnace according to the plan. Tested all mechanical components. Cleaned all sensors. Cleaned pressure switch hoses. Tested gas valve voltage and inlet/outlet pressures. The customer just changed the furnace filter. The system is clean, heating, and operating properly at this time. Customer renewed VIP service plan and will have both spring/ac visit and fall/furnace visit of 2026 prepaid. Performed free plumbing inspections.