Embodiments of the disclosure pertain to a heat exchanger unit that includes a frame and a plurality of coolers coupled therewith. The heat exchanger unit has a reference axis, namely a vertical axis. The frame has a top region, a bottom region, and a plurality of side regions. Each of the plurality of coolers may be coupled with the frame proximate to a respective side region of the plurality of side regions. The heat exchanger unit includes an airflow region therein. The heat exchanger unit includes a first set of baffles, each baffle of the first set of baffles is configured at an angle to the vertical axis.