Performed level 2 package cleaning. Furnace. Cleaned flame sensor and burners. Wiped away any dust in blower and burner compartments. Inspected heat exchanger. Cleared drain hose. Combustion test was normal. No CO in airstream. AC. No leaks detected at indoor coil. Electrical components tested in the caution area. Refrigerant charge was normal. Temp split was 17 degrees. HVAC system is operating normal at this time.