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 ...

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

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 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 ...

For example, air purifiers equipped with HEPA filters were found to be more effective than HVAC systems (Heating, Ventilation and Air Conditioning units) at filtrating airborne particles as small ...

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 ...

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.