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MERV stands for Minimum Efficiency Reporting Value, and MERV rating is the primary rating system used for air filtration. Higher ratings remove a larger percentage and broader range of debris from the air.
MERV Rating is a filter comparison system designed by an industry group called the American Society of Heating, Refrigeration and Air-conditioning Engineers (ASHRAE). Simply put, it's a rating scale designed to allow consumers to easily compare the performance of one filter to another.
It is designed to measure a filter's ability to capture and hold particles and pollutants. The higher the MERV rating, the more particles - dust mites, pet dander, air allergens, etc - your filter will remove from the air. Of course, screening out more particles from your air makes your air handler work a bit harder, so you may see a modest increase in power consumption by your air conditioning or furnace unit when choosing a higher MERV Rating.
Matching the right MERV rating to your needs will improve your home's air quality and will extend the life of your furnace or air conditioner.
MERV ratings are designed to measure a filter’s ability to capture and hold particles and pollutants. The higher the MERV rating, the more particles – dust mites, pet dander, air allergens, etc – your filter will capture. Matching the right MERV filter to your needs will improve your home's air quality and will extend the life of your furnace or air conditioner.
