Customer request heating sidekick inspection service performed sidekick inspection service inspected gas operated furnace removed inspected and cleaned flame sensor adjusted gas pressure. Found heating furnace operates properly with a 47° heat rise checked system in cooling mode found system refrigerant level is OK found cooling mode operates properly with a 20 to 21° temperature drop Attempted to inspect ductwork found all attic ductwork is deep buried. Added airflow indicator on Murph filter cabinet as per customer request Did not replace filter has 1 free filter left and 1 sidekick