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In the rapidly evolving world of data centers, temperature monitoring remains a cornerstone of efficient operations. As of 2025, global data centers are projected to consume approximately 536 terawatt-hours (TWh) of electricity, accounting for about 2% of worldwide energy use. Artificial intelligence (AI) and hyperscale computing are driving much of this surge. Cooling systems alone can devour up to 40% of a data center's total energy consumption, making it imperative to identify and address thermal imbalances like hot-spots and cold-spots. These anomalies not only threaten equipment reliability but also contribute to significant energy waste, potentially leading to outages, reduced performance, and escalated operational costs. This article explores how advanced temperature monitoring can detect hot-spots and cold-spots, their causes, impacts, and strategies for mitigation and prevention ...read more.