Performed heating maintenance on a 2014 trane two stage 96% efficient natural gas furnace 16x25x5 filter is new Pulled and cleaned flame sensor Pulled condensate trap and flushed with water Replaced humidifier water panel Humidifier not functioning due to failed solenoid valve Approved proposal for repairs Run tested furnace while running combustion analysis Gas pressure, temperature rise, and combustion numbers are all within manufacturer's specifications