Performed the level 2 package cleaning. Furnace: Burners and flame sensor are clean. Heat exchanger looks good. Combustion readings were normal. No CO detected in the air. Temp rise was 41° AC: No leaks detected. Electrical components tested good. Condenser coil is clean. Refrigerant charge was normal. Subcool was 7° with a 21° temp split. All HVAC equipment is operating properly.