Tag: MERV 13

CDC: Aim for 5 Air Changes Per Hour in Buildings

On May 12, the Centers for Disease Control and Prevention (CDC) updated its “Ventilation in Buildings” guidelines to include a discussion on “How much ventilation is enough?” to help prevent airborne disease transmission. “When possible, aim for 5 or more air changes per hour (ACH) of clean air to help reduce the number of germs […]

COVID-19 Task Force Recommends Air Quality Upgrades

A nongovernmental task force recently recommended that building owners begin taking four steps to address SARS-CoV-2 infection risks in schools and workplaces: verifying building systems are performing as designed, increasing outdoor air ventilation, upgrading air filtration, and deploying portable air cleaners where needed. The Lancet COVID-19 Commission’s Task Force on Safe Work, Safe School, and […]