What temperature range is considered low temperature refrigeration?

Low temperature refrigeration typically refers to systems that operate at significantly below freezing temperatures, enabling the preservation of products that require very cold environments. The correct choice specifies a temperature range of -20 degrees F to 5 degrees F, which aligns with standard definitions in the refrigeration industry.

Systems within this range are commonly used for applications such as freezing foods, preserving pharmaceuticals, or storing biological materials, as they maintain temperatures low enough to prevent spoilage and degradation. This parameter is essential for ensuring that products are kept in ideal conditions over extended periods.

Other ranges listed do not consistently meet the lower threshold required to be classified as low temperature refrigeration, which is why they do not fulfill the criteria in the same way.