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. Drain is clear. Heat rise was 34Â°. High limit passed the safety check. AC: No leaks detected. Electrical components tested good. Condenser coil is clean. Refrigerant charge was normal. Superheat was 18Â° with a 17Â° temp split. All equipment is operating properly.