In many commercial buildings, these two mediums are used together. However, ... You need to know which buildings have a return air plenum and which have return air duct work.

Even if return air openings to the plenum are generously sized, a congested return air plenum will restrict airflow and may still result in undesirable airflow patterns as noted in Item 1. McGuire was ...

Other capabilities include ASHRAE Standard 62 analysis, automatic building rotation, 360 degree wall orientations, tilted glass, exterior shading, internal operating load profiles, variable indoor ...

The study attributed the energy performance advantage of suspended ceilings to the use of a return air plenum with low static pressures and fan horsepower vs. ducted air returns with higher static ...

New-for-2025 motors and largest collection of new Infinitum-powered pump, EC fans, plenum fans, axial fans and blowers to be on display January 28, 2025 10:06 AM Eastern Standard Time ...

Before we review the specific plenum requirements, it is important to note that any hospital that is accredited by The Joint Commission must comply with the following from the 2011 Hospital ...

Per the U.S. Department of Energy, commercial buildings account for 35% of electricity consumed in the U.S., producing 16% of all U.S. carbon dioxide emissions.

Colorado’s construction, real estate, and building management communities all support the state’s goal of improving commercial properties’ energy performance and efficiency in the Denver metr… ...