While a reefer may be a tremendously functional container, it can be made much more so by adding options that substantially increase its value as a refrigerated warehouse.
When reefers are used as a warehouse, interior lighting, access ramps for lift trucks and PVC curtains to prevent loss of cold every time the door opens makes the container even more effective. Other options would be to use Flat floor which facilitates handling with forklift trucks while limiting the flow of air into the container.
More sophisticated options would be dual temperature (for example, part of the reefer freezes while the other one only cools) by fitting a dividing panel and an additional machine. Climate control specially designed for the storage of fruit and vegetables facilitates preservation by controlling the amount of ethylene, CO2 and O2 present in the container, according to the product being transported.