Method for re-direction of airflow from air handler system(s) integrated into a modular data center

A modular data center (MDC) includes an air handling system having air handling unit(s) (AHU(s)) with return air inlet and supply air outlet that are vertically spaced. An air redirection structure includes a return air plenum that is in fluid communication with and vertically aligned to the return air inlet of the AHU(s). The return air plenum directs return air from a return air opening of the first air redirection structure to the AHU(s). The return air opening is positioned adjacent to a hot aisle of a volumetric container of the MDC. A supply air plenum is in fluid communication with and vertically aligned to the supply air outlet of the AHU(s). The supply air plenum directs supply air from the AHU(s) to a supply air opening of the first air redirection structure. The supply air opening is positioned to provide supply air to the cold aisle of the container.