ATLANTA, GA — The benefits of direct digital control (ddc) systems and recommendations for specifications of ddc systems in hvac control applications are included in a newly published guideline from ...

Fifty years in the controls industry has allowed me to see its evolution through different eras. Patterns repeat themselves, and timelines become blurry as one era ends and the next starts. New eras ...

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 ...

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 ...