The advent of electromechanical controls in the 1970s, analog controls in the 1980s, direct digital control (DDC) in the 1990s, and complete building control integration in the 2000s has progressively ...

The vast majority of commercial buildings today include direct digital control (DDC) systems. These systems are also known by other names, such as facility management systems (FMS) and building ...

Direct digital control is used to establish electronic control of the heating, ventilation, and air conditioning systems on campus. Direct digital control systems also allow the consistent use of time ...

Thermostats are advancing technologically beyond wall-mounted boxes over which occupants wage war. When they’re part of a direct digital control (ddc) system, today’s more sophisticated thermostats ...