Furnace Air Filter Merv Ratings

The rating indicates the size of particles the air filter is designed to capture.

Furnace air filter merv ratings.

However these filters aren t for furnace systems. Air filter merv rating table. Merv stands for minimum efficiency reporting value which is a rating system designed by the american society of heating refrigerating and air conditioning engineers. Merv rating of 13 16 is found in high quality filters as they can capture bacteria smoke and sneezes.

This is an industry standard rating system. They re used for superior commercial applications like in hospitals and surgery rooms. Merv ratings extend from 1 to 16. Mpr measures ratings based on sizes 0 3 to 1 microns.

An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter. When browsing for furnace filters you typically see most filters are rated from merv 8 to merv 13 but sometimes can go as low as merv 4 like the low quality fiberglass filters and as high as merv 16. Merv stands for minimum efficiency reporting value. So which merv rating is appropriate for your home.

Ranging from 1 to 20 the larger the number the better the filter is at catching small particles. Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness. A merv rating chart shows a numerical value. Use this rating system compare filters made by different manufacturers.

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. Conversely a high merv rating indicates that the filter does a good job of removing particulates from the air. Recommended merv for your furnace filter. You ll find merv ratings range from 1 to 16.

It tells you how effective your air filter is compared with others on the market. Below is a table grouping merv ratings by particle size. This rating system reports how well the filter captures and holds dust. The higher the merv rating on a filter the fewer dust particles and contaminants can pass through it.

A low merv rating means that the filter does not remove as many particulates from the air. Fpr ratings are on a scale from 4 through 10. Chances are you will probably find yourself comparing merv 8 to merv 13 filters.