A thermal cage for managing environmental conditions affecting electronic equipment. The thermal cage can be connectable with a plenum and a supply channel. Additionally, the thermal cage can include a cabinet faulting an enclosure for the electronic equipment and an outlet in fluid communication with the cabinet, wherein the outlet is connectable to the plenum. Furthermore, the thermal cage can include an inlet in fluid communication with the cabinet, wherein the inlet is connectable to the supply channel, and a thermal curtain comprising a plurality of adjustable barriers for directing air flowing through the cabinet to the outlet, wherein the thermal cage is movable.