How can improper calibration affect data center cooling and energy usage?

• A. It can cause over/under cooling or energy waste.
• B. It improves energy efficiency automatically.
• C. It only affects mechanical components.
• D. It does not affect equipment performance.

Answer: (A)

Sensor and control calibration is essential for proper cooling control in a data center. The cooling system relies on readings from sensors to determine how much cooling and airflow to provide. When calibration drifts, a sensor can report a temperature higher or lower than reality, causing the controller to demand too much cooling or too little. Overcooling wastes energy as chillers, compressors, and fans run longer than needed, while undercooling can create hotspots and stress equipment. This dual risk—energy waste plus potential cooling shortfalls—is why improper calibration directly impacts both energy usage and cooling effectiveness. In short, it can cause over/under cooling or energy waste, which is the core reason calibration matters for data center efficiency and reliability.