CSI Division 23: HEATING VENTILATING AND AIR CONDITIONING |
HEATING-VENTILATING-AIR CONDITIONING PRODUCTS & EQUIPMENT SUCH AS DAMPERS, DIFFUSERS, AIR CURTAINS, DEHUMDIFIERS, RADIANT HEATING UNITS, A/C UNITS, VENTILATION BLOWERS/FANS, BOILERS/FURNANCES, COOLING TOWERS, ETC. |
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