Data centers are the brains of practically every company whose success depends on efficient and reliable software operations. With lots of powerful hardware concentrated in one place, data centers must be kept cool and safeguarded against both external and internal environmental influences. As a result, data centers consume significant amounts of energy. How can we improve their energy efficiency and PUE (power usage effectiveness)? 

Measure it properly. One of the most important requirements to reduce your cooling costs is to measure the conditions properly in the first place. Your data center temperature control strategy is only as good as your measurement equipment, and even small measurement errors can increase your energy bill significantly.

Design it wisely. Can you benefit from air-side economizers or evaporative coolers, for example? Choose the right humidity parameter for the instrument, and choose an instrument designed for the measurement location in question.

Keep your instruments in good shape. All instruments need periodic checking. Choose instruments that have minimal long-term drifting and are easy to maintain, and develop a robust service and calibration plan for your data center.

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