What’s MERV? All About A Rating System That Helps Consumers Select Air Filters

MERV stands for “Minimum Efficiency Reporting Value Rating.”  This rating system for filters was developed by the American Society of Heating, Refrigerating and Air Conditioning Engineers.  It’s based upon the type of filter, how efficient it is and what pollutants it captures.   Almost all of the air purifier corporations in existence today use this rating as a way of …