Ventilation and IAQ

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The range of 40% to 60% RH may reduce contagion and help those who are infected.

Changes include definitions for alignment with other standards, a new suggested frequency range for overall vibration measurements, and more.

The EPA's temporary enforcement discretion policy applies to civil violations during the COVID-19 outbreak and addresses different categories of noncompliance differently.

The control system includes variable frequency drives (VFDs), a duct sensor, and a separate factory-programmed logic controller (PLC) and can operate as a stand-alone or integrate with a building management system using BACnet.

Looking beyond the immediate crisis, designers are brainstorming the ways codes and standards can be improved to prevent disease transmission in buildings.

Efficient, versatile Geniox air handlers now feature a factory-installed roof, checker-plate floor, vertical supply and return, and more.

The course, “Designing and Operating High-Performing Healthcare HVAC Systems,” is one of 11 offerings in ASHRAE’s Spring online instructor-led course series, taking place on April 7.

Jeff Siegel, a professor at the department of civil and mineral engineering at the University of Toronto, provides the answers.

Mackey brings more than 20 years of highly technical environmental expertise to the position.

The unit combines four popular UV-C fixturing components in an ‘all-in-one’ package.