Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers,and parts and accessories of such articles 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 15 Air conditioning machines,comprising a motor-driven..,incl those machines.... Commodity Code Description 84 15 10 Window or wall types, self-contained or "split system" 84 15 20 Of a kind used for persons, in motor vehicles 84 15 81 Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle 84 15 82 Other, incorporating a refrigerating unit 84 15 83 Not incorporating a refrigerating unit 84 15 90 Parts