How is commercial refrigeration equipment categorized based on evaporator coil temperature?

Commercial refrigeration equipment is primarily categorized based on the temperature of the evaporator coils, which reflects the operational environments in which they function effectively. The classifications involve high, medium, low, and cryogenic temperatures.

The high temperature range typically refers to equipment that operates efficiently at temperatures above 32°F (0°C), suitable for applications like refrigerated displays. Medium temperatures are designed for food preservation at around 32°F to 50°F (0°C to 10°C), ideal for storing perishable goods. Low temperatures operate in the range of about 0°F to 32°F (-18°C to 0°C), commonly used in freezers. Cryogenic refers to extremely low temperatures, often below -58°F (-50°C), utilized for specialized applications such as industrial processes or certain food freezing techniques.

This categorization is crucial in determining the appropriate type of refrigeration system for specific needs, ensuring efficiency and effectiveness in preserving food and other perishables.