Data centers present some unusual challenges to engineers. The buildings that house servers and data storage equipment generate a lot of heat.  To function properly, they must be housed in an extra cool environment. Indoor temperatures must be maintained between 66 and 74 degrees. Alpha Mechanical teamed with the data company’s engineers and created a design featuring two 105-ton cooling units placed on a concrete pad behind its local headquarters. The units are redundant in that one runs for a…