It's rare for a HEPA filter to be used as part of a general HVAC (heating, ventilation and air conditioning) system. That's because it will restrict the airflow to a significant degree ...

Ventilation has been a hot topic throughout ... When used correctly, HEPA filters can capture more than 99% of airborne particles containing the COVID-19 virus, according to the CDC.

Student attendance plays a crucial role in academic success, yet one often-overlooked factor influencing absenteeism is ...

This means HEPA purifiers would efficiently capture viruses ... are using them to augment HVAC filters and natural (window) ventilation. (The New York City public school system, the nation ...

The HEPA filter itself was tight ... He recommends opening the windows for ventilation while you clean, as the weather allows. A portable air purifier couldn’t hurt, either.

To select the best air purifiers, we focused on those that use high-efficiency particulate air (HEPA) filters, the gold standard for removing particles like dust, smoke and pet dander from the air ...

This type of filter can remove at least 99.97% of ... "It's about filtration and ventilation, so HEPA is ideal," Dr. Leonardo Trasande, a professor of population health at NYU Grossman School ...

When choosing a HEPA filter, look at its minimum efficiency ... Use a soft brush to clear any dust out of the top air vent. Remove the front grill and prefilter and wash them with warm, soapy ...