This is a sample of a refrigeration enclosure, used with horizontal or vertical receivers and multiple compressors lines. It can be customized for multiple lengths, heights and widths. This” pocket” mechanical center can have a self-contained parallel condensing unit. It can be mounted outdoor, either on a slab or on the roof. The service access can be easily achieved with removable exterior door. All future developments and upgrades can be controlled by an excel spreadsheet attached to this file.