What type of racks should be used in refrigerators or walk-in coolers for proper air circulation?

Slotted racks are specifically designed to promote optimal air circulation within refrigerators or walk-in coolers. This enhanced airflow is critical for maintaining consistent temperatures throughout the unit, ensuring that all food items are kept at safe temperatures to prevent spoilage and foodborne illnesses.

The slots in these racks allow cold air to circulate freely around the food items stored on them, minimizing the chances of hot spots where temperature can fluctuate. Proper air circulation is essential for uniform cooling and maintaining food safety standards, as it prevents uneven temperature distributions that can lead to bacterial growth.

Other types of racks, such as solid, plastic, and wooden racks, do not provide the same level of air circulation. Solid racks can impede airflow, leading to areas where temperatures may rise. While plastic racks may have some benefits regarding moisture resistance, they typically lack the slotted design necessary for optimal air movement. Wooden racks are generally not used in commercial refrigeration due to their potential for harboring bacteria and moisture, which can compromise food safety. Thus, slotted racks are the best choice for ensuring safe and effective refrigeration.