Tag Archives: HVAC Controls

Types of Variable Air Volume (VAV) Boxes

As we previously discussed in one of our building technology basics videos, VAV (Variable Air Volume) controllers are integral to HVAC systems that require varying cooling and heating loads in different zones. In this article, we will explore some of the most common types of VAV boxes and their specific applications. Of course, there are many one-offs and iterations of these applications, but these are the ones you’ll see most frequently.

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Trim and Response for Supply Pressure

 by Andrew Walton

Static Air Pressure (SAP)

“Trim and response” is a way of controlling static air pressure (SAP) within a building’s HVAC system. SAP is one of the most important factors in HVAC design. SAP refers to the resistance to airflow in a heating and cooling system’s components and ductwork within a building. The push of the air must be greater than the resistance to the flow or no air will circulate through the ducts.

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How can Computrols help you deal with COVID-19?

As the world slowly begins to re-open in recovery from the COVID-19 pandemic, people are more aware than ever before of the potential dangers they face as a part of virus transmission in their daily lives. At this time, facility management professionals are tasked with making the buildings where these people live, work, learn, and play safe in a very uncertain environment. So how do we prepare for the “new normal” we live in today?

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