Furnace Air Filter Merv Ratings

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

Furnace air filter merv ratings.

Merv stands for minimum efficiency reporting value which is a rating system designed by the american society of heating refrigerating and air conditioning engineers. They re used for superior commercial applications like in hospitals and surgery rooms. Merv rating of 13 16 is found in high quality filters as they can capture bacteria smoke and sneezes. Merv ratings extend from 1 to 16.

It tells you how effective your air filter is compared with others on the market. A merv rating chart shows a numerical value. So which merv rating is appropriate for your home. 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 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 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. Mpr measures ratings based on sizes 0 3 to 1 microns.

Air filter merv rating table. You ll find merv ratings range from 1 to 16. Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness. Merv stands for minimum efficiency reporting value.

However these filters aren t for furnace systems. The higher the merv rating on a filter the fewer dust particles and contaminants can pass through it. Ranging from 1 to 20 the larger the number the better the filter is at catching small particles. The rating indicates the size of particles the air filter is designed to capture.

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. Use this rating system compare filters made by different manufacturers. This is an industry standard rating system. Fpr ratings are on a scale from 4 through 10.

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 stands for minimum efficiency reporting value.