MERV Ratings

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.

What is a MERV Rating?

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.

Why is there a MERV Rating?

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.

How does a MERV Rating benefit you?

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.

Why Replace My Air Filter?

  • Removes unwanted dust, dirt, and other indoor particles
  • Lowers the cost of energy in your home or business
  • Prevents triggers of indoor allergies and asthma
  • Lessens mold and mildew growth

Why Increase Air Filter MERV Rating?

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.

When to Replace Your Filter by MERV Rating

  • MERV 6 - Change every 30 Days
  • MERV 8 - Change every 60-90 Days
  • MERV 11 - Change every 60-90 Days
  • MERV 13 - Change every 60-90 Days

Want to know the difference between MERV rating, MPR and FPR?