Furnace maintenance and safety inspection. Cleaned and serviced the furnace. Tested all mechanical components. Cleaned all sensors. Cleaned condensation trap and all hoses. Cleaned all pressure switch hoses. Tested gas valve voltage and inlet/outlet pressures. Tested blower motor amperage. Replaced the furnace filter that the customer provided. Replaced humidifier pad filter. 35 System is clean, heating, and operating properly at this time. Customer renewed maintenance plan. They will have both spring/ac visit and fall/furnace visits of 2026 prepaid. Performed free plumbing inspections.