My Home Air Filter is a MERV 8

Illustration of a filter blocking viruses and letting clean air pass through.

MERV (Minimum Efficiency Reporting Value) rating is a measurement scale designed to evaluate the effectiveness of air filters. It was developed by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) to provide a standardized method for comparing air filters based on their ability to capture airborne particles. If you purchase an air filter […]