3585 - Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment
Establishments primarily engaged in manufacturing refrigeration equipment and systems and similar equipment for commercial and industrial use; complete air-conditioning units for domestic, commercial, and industrial use; and warm air furnaces. Establishments primarily engaged in manufacturing soda fountains and beer dispensing equipment and humidifiers and dehumidifiers, except portable, are also …
Examples: Air-conditioners, motor vehicle, Air-conditioning and heating combination units, Air-conditioning compressors,
