Performed the level 2 package cleaning. Furnace: Burners and ignition are clean. Heat exchanger is starting to wear. Combustion readings were a little high, but not concerning at this time. High limit passed the safety test. Temo rise was 42°. Furnace is operating normally and safely at this time. However, due to age and condition, long life expectancy cannot be guaranteed. AC: No leaks detected. Electrical components tested good. Capacitor tested well. Condenser was cleaned with water and nu brite. Refrigerant charge was normal. Subcool was 8° with a 17° temp split. Unit is cooling properly.