
Air filters come in various shapes and sizes, each with a different Merv (Minimum Efficiency Reporting Value) rating. Some people might not know what a Merv rating is or what it means. In this article, we will explain a Merv rating and how it is used to rate air filters.
The MERV rating is a measure of how efficient an air filter is at removing particles from the air. The MERV rating ranges from 1 to 16. The higher the rating, the better the filter is at filtering particles from the air.
When looking for an air filter, it’s important to find one with the right MERV rating for your needs. There are a few things to consider when choosing a MERV rating:
- Types of particles you’re trying to remove
- The size of the space you’re trying to filter
- The amount of noise the filter makes
Once you’ve considered these factors, you can choose a MERV rating that’s right for you. If you’re looking for a filter to use in a small space, you may want to choose a filter with a low MERV rating. If you’re looking for a filter to use in a large space, such as a factory, you may want to choose a filter with a high MERV rating. And if you’re primarily concerned about removing particles from the air, such as allergens or smoke, then you may choose a filter with a high MERV rating.
But be careful. You might think that the higher the MERV rating, the better the filter, but this is not the case. The greater the MERV rating, the less room there is for air to travel through the filter. This may increase airflow resistance beyond the limits of your system and reduce its efficiency. Reducing airflow in your system can have a negative impact on indoor air quality and put unnecessary strain on the fan.

If you have any questions or need some expert, friendly advice on which air filters have the best MERV rating for your application and allows for maximum airflow in your system. Call Filters Unlimited DE today: (302) 445-0551