THIS column provides information about the use of outdoor air dampers in hot and humid climates and during hot and humid seasons in temperate climates in commercial buildings. Terms used in this ...

Zoning in forced-air systems is accomplished by controlling dampers that are located within the ductwork system. Dampers open, close, or modulate depending on the demand from the controller. Air is ...

The headline above is a reminder that a fan and a damper, when assembled, become a fan + damper system, which is more than a simple sum of the two individual items of equipment. They may be operated ...

Many power plants regulate fan airflow with mechanical controls, such as dampers. In some applications using fixed-speed motors in combination with dampers may not be the most energy efficient option.