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Upgrading your air filtration system is a crucial step in protecting facilities and commercial buildings against the spread of the COVID-19 virus. A filter's MERV rating measures how efficiently it removes contaminants from the air stream based on the size of the particles it can effectively capture. The higher a filter's MERV rating is, the more effectively the filter traps small particles. Industry authorities such as the CDC and ASHRAE recommend an air filter with a minimum rating of MERV 13. MERV 14 is preferred. In some jurisdictions, MERV 13 is a mandatory condition that must be met.
In schools, commercial buildings, offices, and facilities it is important to improve air circulation.
- installing portable high-efficiency particulate (HEPA) filters in rooms
- flushing air two hours before and after occupation
- upgrading MERV-8 air filters to MERV-13 filters where appropriate