DDC stands for Direct Digital Control. It is a control system technology used in commercial HVAC applications, such as chiller...

A Building Automation System (BAS) is commonly used in the Heating, Ventilation, and Air Conditioning (HVAC) industry to describe the...

Static pressure in HVAC refers to the airflow resistance that the AC unit components (filters, coils, dampers) and the air...

A fan curve is a graphical representation displaying the relationship among static pressure, brake horsepower, and airflow volume for a...

A multi-zone variable air volume (VAV) system is a type of heating, ventilating, and air conditioning (HVAC) system designed to...

A Single Zone Variable Air Volume (VAV) system is a specific type of heating, ventilating, and air conditioning (HVAC) system...

A constant air volume (CAV) system is a type of heating, ventilating, and air conditioning (HVAC) system. A CAV system...