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BMS Controls Articles

HVAC Duct Dampers: The Essential Part of Facilities Management

Facilities management is a critical component of any business, but it is often overlooked. This is unfortunate, as it is an essential part of good business practices that helps to ensure the safety, comfort and efficiency of a building. One key component of facilities management is the use of HVAC duct dampers. Understanding what HVAC duct dampers are and their purpose will help facilities managers better manage their buildings and ensure their occupants’ satisfaction.

What Are HVAC Duct Dampers?

HVAC duct dampers are control devices that regulate the flow of air through the ductwork of a building. They are typically made of metal, and they are adjustable so that the flow of air can be restricted or opened up depending on the situation. By controlling the flow of air, HVAC duct dampers help to maintain a comfortable environment in the building while also ensuring the efficient use of energy.

What Are the Benefits of HVAC Duct Dampers?

The primary benefit of HVAC duct dampers is that they allow facilities managers to control the flow of air in a building. This helps to ensure that the environment is comfortable and energy efficient. For example, if a room is too hot, a facility manager can reduce the airflow to that room, thus reducing the temperature. Similarly, if a room is too cold, the facility manager can increase the airflow to that room, thus increasing the temperature. Additionally, the use of HVAC duct dampers can reduce energy costs, as the dampers can be used to restrict the flow of air to areas that do not need to be cooled or heated.

What Should I Look for When Selecting HVAC Duct Dampers?

When selecting HVAC duct dampers, it is important to consider the size and type of damper you will need. The size of the damper should be based on the size of the ductwork in your building, as well as the airflow requirements of the building. Additionally, there are several different types of dampers, including zoning dampers, bypass dampers, and motorized dampers. It is important to choose the right type of damper for your building to ensure the most efficient and effective control of air flow.


HVAC duct dampers are an essential part of facilities management, and should not be overlooked. By ensuring the correct size and type of dampers are installed, facility managers can maintain a comfortable environment and reduce energy costs. With the right HVAC duct dampers, facilities managers can ensure the safety and satisfaction of their buildings’ occupants.