ANSI/ASHRAE 120-2022: Flow Resistance of HVAC Ducts and Fittings
Pressure is key for HVAC system operations, and the many factors that can adjust the airflow, thus influencing alterations in pressure, should be measured and…
ANSI/ASSP Z9.2-2018: Fundamentals Governing the Design and Operation of Local Exhaust Ventilation (LEV) Systems
In numerous industrial processes, the release of airborne contaminants is inevitable. Considering the obvious fact that employees need to keep breathing, employers have a responsibility…