The RoofPak evaporative condenser rooftop system is sized from 75 to 150 tons, and has been designed to save up to 40 percent on energy costs, according to the company. In addition to factory-installed variable frequency drives, blow-through and draw-through cooling models feature airfoil fan selections. The unit comes with MicroTech II control and Protocol Selectability, which allows for integration into a building's automation system.

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