What are the Disadvantages of High MERV Ratings?

When it comes to air conditioning systems, air flow is essential for performance and longevity. It is also the key to a comfortable home. The higher the MERV rating, the greater the resistance, which means less airflow. Although ASHRAE recommends MERV models 13 and 14, it is important to select a filter with the highest possible MERV rating for your specific air conditioning system.MERV ratings range from 1 to 6, which is the lowest range.

However, this does not mean that filters with ratings within this range should be ruled out.


is known to be effective at filtering contaminants such as pollen, dust mites, sawdust, mold spores, and lint from the air. A higher MERV rating will further clean the air. When selecting an air filter, it is important to understand how the MERV leaderboard works in order to choose the right filter for your needs. While higher MERV ratings can provide better air quality, they can also lead to decreased airflow and increased pressure drop throughout the filter. The disadvantages of higher MERV ratings include decreased airflow and increased pressure drop.

This can lead to reduced efficiency of your air conditioning system and higher energy bills. Additionally, higher MERV ratings can cause clogging of the filter more quickly, resulting in more frequent filter changes. It is important to consider all of these factors when selecting an air filter for your home or business. If you are unsure which filter is best for your needs, it is best to consult a professional who can help you make an informed decision.

Darryl Coste
Darryl Coste

Friendly web scholar. Devoted student. Wannabe pizza fanatic. Subtly charming bacon fan. General entrepreneur. Infuriatingly humble troublemaker.

Leave a Comment

Your email address will not be published. Required fields are marked *