Quarantine restart: What have we learnt?

This week, international travellers began arriving in Melbourne again, and are re-entering Victoria’s revised hotel quarantine facilities. Numbers have been capped at 800 per week and will increase to 1,120 per week on April 15 provided that key recommendations are addressed – including many relating to ventilation. Focus on airborne transmission It has been almost […]


ASHRAE issues ‘unequivocal’ COVID advice

The ASHRAE Epidemic Task Force has released an updated, unequivocal statement on the airborne transmission of SARS-CoV-2 (the virus that causes COVID-19) in buildings. “Airborne transmission of SARS-CoV-2 is significant and should be controlled,” says the statement. “Changes to building operations, including the operation of heating, ventilating, and air conditioning systems, can reduce airborne exposures.” […]


Activ8 COVID disinfectant earns TGA approval

Activ8 Barrier Guard HVAC is a Queensland-made, TGA-registered COVID disinfectant designed for use in the HVAC industry. According to air conditioning system supplier Complete Air Supply (CAS), it is the only HVAC TGA-approved COVID disinfectant on the market. Available in 5L and 15L containers, the product includes non-toxic products that are anti-bacterial, anti-fungal as well […]


South Australia opens new ‘medi-hotel’ for COVID cases

International travellers in South Australia who test positive for COVID-19 infection are now being transferred to a hotel quarantine facility with upgraded ventilation systems and processes. The 72-bed Tom’s Court hotel in Adelaide’s CBD will mainly house new international arrivals, but rooms will also be available should there be any further cases of community transmission […]


Hotel quarantine outbreaks prompt ventilation review

The Victorian government is conducting a review of hotel ventilation and air conditioning systems amid an increase in COVID-19 cases linked to quarantine. The situation has raised further concerns about the suitability of hotels as quarantine facilities, and the role of airborne transmission in spreading the virus. The Australian hotel quarantine system has registered outbreaks […]


ASHRAE presents to congressional hearing on COVID-19 safety

US engineering body ASHRAE has provided witness testimony in a congressional hearing on COVID-19 risks and response in transportation systems. Titled “Protecting Transportation Workers and Passengers from COVID: Gaps in Safety, Lessons Learned, and Next Steps,” the hearing examined COVID-19 safety gaps in the protection of US transportation workers and passengers. “Protecting the transportation workforce […]


ASHRAE releases core advice on reducing airborne spread

The ASHRAE Epidemic Task Force has released new guidance to address control of airborne infectious aerosol exposure. It has also issued recommendations for communities of faith buildings. During the course of 2020, experts placed increasing emphasis on the role of aerosols in transmitting SARS-CoV-2, the virus that causes COVID-19. Although at first the virus was […]