Reefer containers Use a refrigeration unit around the bulkhead end of your container. Though it is not a blast freezer, most reefer units are able to maintaining temperatures as low as -20F. Refrigerated shipping containers will also be insulated, and frequently painted a light coloration (like white or gray). The https://30ft-shipping-container-f68578.qodsblog.com/30664723/detailed-notes-on-40ft-container-side-opening