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Indoor air quality

A medical centre that features custom-designed HVAC systems. Image credit: Engineers Australia

HVAC design adaptations sparked by the pandemic

he COVID-19 pandemic has sparked a change in HVAC engineering, particularly in medical buildings. Hospitals for instance, were not originally designed to operate with numerous potentially infectious people walking through the doors. However, early in the pandemic, Aspen Medical constructed a 51-bed surge centre in just 37 days. Every bed was in a mechanically controlled isolation area with systems ventilating the air 12 to 15 times per hour.Read More »HVAC design adaptations sparked by the pandemic

A medical centre that features custom-designed HVAC systems. Image credit: Engineers Australia

HVAC design adaptations sparked by the pandemic

The COVID-19 pandemic has sparked a change in HVAC engineering, particularly in medical buildings. Hospitals for instance, were not originally designed to operate with numerous potentially infectious people walking through the doors. However, early in the pandemic, Aspen Medical constructed a 51-bed surge centre in just 37 days. Every bed was in a mechanically controlled isolation area with systems ventilating the air 12 to 15 times per hour.Read More »HVAC design adaptations sparked by the pandemic

New performance claim mark in verifying aerosol removal efficiency in the built environment launched

UL, a global safety science leader, launched the UL Verified Ventilation and Filtration program at the beginning of March this year. An assessment and verification program combining a comprehensive desktop review with field verification of ventilation and filtration performance via SafeTraces’ patented aerosol tracing technology, the UL Verified Ventilation and Filtration program is the first of its kind to measure the real-world performance of ventilation and filtration for aerosol removal rate in the built environment.

Read More »New performance claim mark in verifying aerosol removal efficiency in the built environment launched

Poorly circulated air raises potential exposure to contaminants

Having good room ventilation to dilute and disperse indoor air pollutants has long been recognized, and with the Covid-19 pandemic its importance has become all the more heightened. But new experiments by indoor air researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) show that certain circumstances will result in poor mixing of room air, meaning airborne contaminants may not be effectively dispersed and removed by building level ventilation.

Read More »Poorly circulated air raises potential exposure to contaminants