This presentation focuses on the crucial role of predictive maintenance in monitoring and maintaining the equipment essential to a facility's critical infrastructure, such as motors, pumps, fans, HVAC systems, and electrical distribution networks. It highlights how monitoring technologies and data analytics are transforming the management of these critical systems, enabling facility managers to anticipate and prevent potential failures before they occur. The talk will provide insights into strategies and tools that ensure the reliability and efficiency of vital building systems, thereby enhancing overall facility performance and sustainability.