Furnace Air Filter Merv Ratings

Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness.

Furnace air filter merv ratings.

Chances are you will probably find yourself comparing merv 8 to merv 13 filters. Ranging from 1 to 20 the larger the number the better the filter is at catching small particles. 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. The higher the merv rating on a filter the fewer dust particles and contaminants can pass through it.

Below is a table grouping merv ratings by particle size. Mpr measures ratings based on sizes 0 3 to 1 microns. Fpr ratings are on a scale from 4 through 10. Conversely a high merv rating indicates that the filter does a good job of removing particulates from the air.

Use this rating system compare filters made by different manufacturers. 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. They re used for superior commercial applications like in hospitals and surgery rooms.

It tells you how effective your air filter is compared with others on the market. 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 which merv rating is appropriate for your home. A merv rating chart shows a numerical value.

An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter. Merv stands for minimum efficiency reporting value which is a rating system designed by the american society of heating refrigerating and air conditioning engineers. This is an industry standard rating system. However these filters aren t for furnace systems.

This rating system reports how well the filter captures and holds dust. 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. Air filter merv rating table.

You ll find merv ratings range from 1 to 16. The range is from 1 lowest efficiency to 20 highest efficiency. Merv stands for minimum efficiency reporting value.