Industrial Purpose Pre Cooling Chamber is designed to extract field heat from fresh fruits and vegetables. The Pre Cooling Chamber maintains high humidity levels inside the chambers to retain the freshness of fruits and vegetables and also to avoid weight loss. The Pre Cooling Chamber is provided with evaporator units to suck cold air through the perforated boxes of commodity so as to attain desired temperature with in 3-4 hrs. Industrial Purpose Pre Cooling Chamber has a sturdy construction that ensures optimum performance for longer period of time.