The standard modus operandi for these closed systems is to blow HEPA-filtered air into the rack ventilation infrastructure, which then flows through the IVCs and out their exhaust plenums into an ...

Designed during the COVID-19 pandemic, the Corsi-Rosenthal Box uses simple materials – HVAC filters, a cardboard frame, and a fan – to clean air in homes, schools, and offices. When wildfires threaten ...