Supermarkets use a combination of these equipment and systems 1. Food Preservation: Refrigeration helps keep perishable foods. 2. Product Display: It allows for an attractive presentation. 3. Energy Efficiency: Proper refrigeration systems help reduce energy costs. 4. Food Safety: Refrigeration prevents the growth of harmful bacteria and pathogens. Equipment commonly used in a supermarket refrigeration system includes 1. Display Cases, open refrigerators, end cases, reach-in coolers, and freezers 2. Walk-in Coolers and Freezers. 3. Refrigerated Display Islands. 4. Refrigeration Condensers and Evaporators. 5. Compressors and Condenser, Evaporator Fans. 7. Temperature and Humidity Control. 8. Shelving and Racking: Essential for organizing and displaying products within refrigerated cases and freezers. 9. Lighting: Efficient LED lighting.