Which type of refrigeration system typically requires multiple evaporators?

A multi-zone refrigeration system is designed to control the temperature and humidity in multiple areas or zones within a building. Each zone may have different cooling needs based on factors like occupancy, equipment, and insulation. To accommodate these varying requirements, multiple evaporators are utilized within the system.

Each evaporator can be adjusted independently to meet the specific cooling demand of its corresponding zone, allowing for greater efficiency and comfort. This capability is crucial for applications such as commercial buildings, where different rooms might have distinct cooling requirements throughout the day.

In contrast, single-zone systems operate with one evaporator, serving one space and unable to tailor temperature control to multiple areas. Hybrid systems blend features of both single and multi-zone systems, potentially including different types of cooling processes but not necessarily requiring multiple evaporators for each zone. Centralized systems, while capable of serving larger buildings, typically utilize fewer evaporators in a single, central unit. Thus, the multiple evaporator setup is a defining characteristic of multi-zone systems and is a key reason for their effectiveness in providing tailored climate control across diverse spaces.