11 Industrial and Commercial Air Heating, Cooling, Refrigeration and Conditioning Units-Namely, Central Station Air Conditioners, Rooftop Air Conditioning Units, Fan-Coil Air Conditioning Units, Refrigeration Unit Coolers, Water Chillers, Air-Cooled Condensing Units, Heat Pumps, Water Cooling and Heating Coils, Steam Coils, Evaporator Coils, and Unit Heaters; and Industrial Heat Transfer Equipment-Namely, Engine Oil Coolers, Radiators, Intercoolers, and Aftercoolers