Furnace Air Filter Merv Ratings

You ll find merv ratings range from 1 to 16.

Furnace air filter merv ratings.

Use this rating system compare filters made by different manufacturers. Mpr measures ratings based on sizes 0 3 to 1 microns. It tells you how effective your air filter is compared with others on the market. Chances are you will probably find yourself comparing merv 8 to merv 13 filters.

Recommended merv for your furnace filter. Merv stands for minimum efficiency reporting value. 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. A merv rating chart shows a numerical value.

This rating system reports how well the filter captures and holds dust. Merv ratings extend from 1 to 16. 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. The rating indicates the size of particles the air filter is designed to capture.

The higher the merv rating on a filter the fewer dust particles and contaminants can pass through it. 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. The range is from 1 lowest efficiency to 20 highest efficiency. A low merv rating means that the filter does not remove as many particulates from the air.

Below is a table grouping merv ratings by particle size. Merv stands for minimum efficiency reporting value. Ranging from 1 to 20 the larger the number the better the filter is at catching small particles. 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. An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter. Conversely a high merv rating indicates that the filter does a good job of removing particulates from the air. Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness.

They re used for superior commercial applications like in hospitals and surgery rooms. This is an industry standard rating system. However these filters aren t for furnace systems.