A building management system (BMS) is a computer-based control system that controls and monitors the building's mechanical and electrical equipment such as ventilation, lighting, power system, fire systems, and security system. More specifically they link the functionality of individual pieces of building equipment so that they operate as one complete integrated system. Energy efficient – Real-time view into facility operations and deep trend analysis provide data-driven insight to optimize your energy management strategies and minimize operational costs. Intelligent reporting – Comprehensive reporting with functionality for customizable reports delivers greater transparency into system history and promotes compliance.