Air Flow Control: Who Cares About Hardware?

Paul Fuson, Siemens

Ventilation is one tool to limit exposure and promote safety in a laboratory. Several specific exposure control measures depend on the right level of air flow at the right time and place. Additionally, air flow is a major factor in energy use and sustainability for a facility.

Characteristics of the physical sensing and control devices affect control loop performance. In every case, the performance indicators apply over a particular operating range which means the documented performance is tied to some range of air flow values. This determines the degree flexibility in facility design.

This talk traces the train of thought from exposure control through air flow performance, component characteristics and flexible use of the space.

Learning Objectives

  • connect air flow control with the operational capability of a lab facility;
  • characterize performance of air flow control systems;
  • evaluate physical characteristics of lab control hardware; and
  • effectively state performance requirements for a lab ventilation system.


Paul Fuson has worked for decades in multiple roles in building automation for critical environments. He bridges the gap between the needs of owners and operators and the technical capability of the lab control equipment.


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