Furnace Air Filter Merv Ratings

So which merv rating is appropriate for your home.

Furnace air filter merv ratings.

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. 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. Mpr measures ratings based on sizes 0 3 to 1 microns.

Chances are you will probably find yourself comparing merv 8 to merv 13 filters. Merv stands for minimum efficiency reporting value. Merv ratings extend from 1 to 16. Merv rating of 13 16 is found in high quality filters as they can capture bacteria smoke and sneezes.

You ll find merv ratings range from 1 to 16. Ranging from 1 to 20 the larger the number the better the filter is at catching small particles. Conversely a high merv rating indicates that the filter does a good job of removing particulates from the air. An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter.

This rating system reports how well the filter captures and holds dust. They re used for superior commercial applications like in hospitals and surgery rooms. The range is from 1 lowest efficiency to 20 highest efficiency. Air filter merv rating table.

Use this rating system compare filters made by different manufacturers. This is an industry standard rating system. Recommended merv for your furnace filter. A low merv rating means that the filter does not remove as many 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. However these filters aren t for furnace systems. The rating indicates the size of particles the air filter is designed to capture. Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness.

Fpr ratings are on a scale from 4 through 10. A merv rating chart shows a numerical value. It tells you how effective your air filter is compared with others on the market.