Merv 11 Air Filter Rating

The other two systems were created by 3m mpr and the home depot fpr to differentiate their offerings.

Merv 11 air filter rating.

Hepa is a type of pleated mechanical air filter. Basically the higher the merv rating the higher the air filtration capabilities of a particular filter. Our filters are available in three grades merv 8 merv 11 and merv 13. Merv otherwise known as minimum efficiency reporting value is a system used to evaluate the efficiency of an air filter based on how effective it is at catching particles of varying sizes.

The merv filter rating is the domestic and international industry standard rating system established by the american society of heating refrigerating and air conditioning engineers. Many new jersey homeowners ask us about merv ratings especially when it comes to choosing between merv 8 and merv 11 air filters. What is a merv rating. Merv air filter ratings range from 1 least efficient captureability to 16 very efficient.

In general filters with a rating of merv. Also as doors and windows are opened and closed that too will introduce more of that particulate matter. What merv rating should i use. A merv 11 filter only needs to stop 20 of particles in the 0 3 to 1 0 micron three to ten times bigger than a covid 19 particle a merv 12 only needs to stop 35 of particles under 0 3 micron and a merv 13 only needs to stop half.

Filters with higher merv ratings trap small particles more effectively than filters with lower merv ratings. Think of merv 8 filters as a good option and merv 11 filters as the better option for normal residential use. An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter. It is an acronym for high efficiency particulate air filter as officially defined by the u s.

A low merv rating means that the filter does not remove as many particulates from the air. Merv 11 filters can filter particles as small as 0 3 micron or pm0 3. Note with poor air quality more frequent filter changes will be needed. The merv rating system is intended to be used to determine the filter s ability to remove particulates from the air.

An air filter s minimum efficiency reporting value merv rating measures how effectively the filter stops dust and other contaminants from passing through the filter and into the air stream. In this article we ll go into more detail about merv filters and how to choose the right one for your new. The higher the merv rating on a filter the fewer dust particles and other contaminants that can pass through it.