How should commercial refrigerators and freezers be certified?

The proper certification for commercial refrigerators and freezers is NSF/ANSI 7 certification. This standard is specifically designed for commercial refrigeration equipment and addresses the requirements for the safe handling of food and the maintenance of appropriate temperatures. Certification under NSF/ANSI 7 ensures that the refrigeration units meet stringent health and safety requirements, which are important for preventing foodborne illnesses.

The NSF/ANSI 7 standard covers multiple key factors, including the construction, performance, and sanitation considerations of refrigeration equipment. It assures that the appliances are capable of maintaining the necessary temperatures for storing perishable items, which is crucial in commercial food service settings.

The other options, while relevant to food safety, do not apply specifically to the certification of refrigerators and freezers. Some may relate to different types of equipment or requirements that aren't tailored to refrigeration. Local health departments may regulate food safety, but they typically do not certify equipment directly. Therefore, understanding and adhering to the NSF/ANSI 7 certification requirement is essential for ensuring the safe storage of food in commercial environments.