A low merv rating means that the filter does not remove as many particulates from the air.
High efficiency furnace filters merv rating.
Merv stands for minimum efficiency reporting value and is a measure of how well a filter removes particulates from the air.
In general filters with a rating of merv 16 or below are considered to be hvac system grade filters for residential commercial and general hospital use.
So what does merv stand for anyways.
Filters with higher merv ratings trap small particles more effectively than filters with lower merv ratings.
Merv has a scale of 1 to 20 with 20 as the best.
Merv is short for minimum efficiency reporting value.
An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter.
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Merv rating is essential for finding the proper furnace filter for your home.
The higher the number the better the furnace filter is in capturing particles.
Learn how to maintain your home and hvac this fall.
When shopping for furnace air filters don t confuse merv with other rating systems that may appear on packaging especially from big box home improvement stores.
In short the higher the merv rating is the more resistant the filter is.
To determine resistance filters use the merv rating system.
The american society of heating refrigerating and air conditioning developed this rating as a way of identifying a filter s ability to trap air pollutants and particles.