The ultimate in design flexibility with back-to-back and end-to-end configurations. This flexibility allows the combination of tonnages to obtain a specific project turndown for the required bank capacity. The packaged air-source equipment offers a minimum efficiency of 10.0 EER at full load, exceeding ASHRAE 90.1 minimum requirements. These units provide low operating noise levels with high-efficiency, variable-speed EC condenser fans that include integral head pressure control.