At Johnson Controls, our Self-Contained AC Units feature high mechanical and architectural flexibility with both horizontal and vertical configurations. From Air-Cooled Units that eliminate the need for a cooling tower to Water-Cooled Air Conditioners that help save energy by conditioning air with a waterside economizer, our Self-Contained Units offer individualized control that is ideal for individual tenant metering. Our higher capacity Water-Cooled Units provide high efficiency performance – helping you lower your energy costs all while enjoying the quiet operation of low-noise fans.