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merv vs mpr

HEPA filters are not reflected on the MERV rating scale because they exceed the testing requirements set forth by ASHRAE 52.2. As the air flows through a test duct, it passes through the filter, and some of the particles become trapped in the filter. MPR was created and is used by 3M while FPR is created and used by Home Depot. Even though they have completely different numbers, they are still air filters and can be compared directly against each other. The other two systems were created by "3M" (MPR) and "The Home Depot" (FPR) to differentiate their offerings. The table below shows what percentage of particles must be trapped in order to obtain each MERV rating. The MPR-2800 would qualify as a MERV-14, so even though 3M emphasizes the smallest size range of particles, their best filter doesn’t qualify for the highest MERV … The MPR rating system was created by 3M to measure an air filter’s effectiveness at filtering out microparticles. If you have been shopping for air filters, you’ll notice that there are a few different rating systems out there. MERV vs MPR vs FPR . Particles less than 10 micrometers are able to get into your lungs. MERV Rating = Minimum Efficiency Reporting Value MPR, or micro-particle performance rating, is a rating system developed by 3M. When you want the best possible air filter for your home, microparticles matter most — they make up 99% of the particles that are in the air. HEPA filters are able to filter out 99.97% of the smallest E1 particle on the MERV scale. ASHRAE standard 52.2 also defines the methods for testing filter efficiency by particle size. The MERV system is the only nationally regulated and independent filtration system. In this article, we’ll take a look at the differences between two of the most common air filter rating systems– MERV and MPR. In other words, popular brands are using their own rating systems to rate their filters. The MPR indicates the filters ability to capture tiny particles between 0.3 and 1 micron in size. MERV is the industry standard, used around world while MPR and FPR are primarily used by the companies that created them. MERV ratings extend from 1 to 16. Created by 3M, only filters designed by the 3M/Filtrete brand carry an MPR rating, which rates the filter’s ability to trap air particles smaller than 1 micron. To learn more about MERV ratings, click here. Typical E2 particles are pet dander and some larger bacteria, such as E. coli. MPR, or micro-particle performance rating, is a rating system developed by 3M. Engineers. The diagram below shows a comparison between the sizes of E1, E2, and E3 particles. The higher the MPR rating the better the filters ability to capture particles from the air. As an Amazon Associate, we earn from qualifying purchases. Also shown is the cross-sectional diameter of a human hair, which is much larger than any of those particles. These particles can be inhaled and cause health concerns. Many HVAC companies and distributors offer filters with a MERV rating between one and 20. The higher the MPR, the more microparticles—such as pollen, pet dander, smoke, bacteria and viruses—your filter will capture from the air passing through it. Learn more about proper air filter maintenance and associated benefits. For instance, in order for a filter to obtain a MERV-13 rating, the filter must be able to capture at least 50% of E1 particles, 85% of E2 particles, and 90% of E3 particles. MPR (Micro-Particle Performance Rating): This rating system was developed by the company 3M, designed to rate the manufacturer’s filters and their ability to capture airborne particles smaller than 1 micron. The others are proprietary names. While MERV ratings reflect a filter's ability to trap both microscopic and macroscopic particles, MPR ratings only grade a filter on its capacity to remove particles from 0.3 to 1 microns. The MERV rating scale goes from MERV-1 to MERV-16, with MERV-16 providing the best filtration on the MERV scale. Some of those submicron particles include things like bacteria, smoke, and smog. 4-pack of MERV-13 filters. The testing factors for ASHRAE 52.2 were developed to provide filter efficiency data for different particle sizes. HEPA filters are tested and certified to filter out at least 99.97% of 0.3 micron particles. FilterBuy MERV 8 Pleated AC Furnace Filter. MERV stands for minimum efficiency reporting value. Need a hard-to-find or extended size? Any filter rated on the MERV scaleis rated based on its ability to capture medium to large particles that range from 1 to 10 microns, as well as its ability to capture submicron particles that range from 0.3 to 1.0 micron. The main difference between the MPR and MERV rating systems is that the MPR rating system is focused on a filter’s effectiveness at removing E1 microparticles from the air. A truly incredible feat. You may choose from four different options: To better understand what sets the four ratings apart, take a look at our MERV rating chart! The main differences between the MERV and MPR filter rating systems are as follows: Even though MERV and MPR are different rating systems, some filters that are rated by each of these systems are directly comparable to each other. The MPR scale, however, uses much larger numbers. Smaller particles can be trapped and removed by higher MERV ratings. MERV vs MPR and FPR. The higher the MPR number, the greater the filter’s effectiveness at removing tiny airborne particles. This type of air filter can theoretically remove at least 99.97% of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 microns (µm). The MERV filter rating is the domestic and international industry standard rating system established by the American Society of Heating, Refrigerating, and Air Conditioning They are comparable to furnace filters with the rating of MPR 800 and FPR 6. Here’s how MPR stacks up with the MERV rating. These methods must be used in order for a filter to obtain a valid MERV rating. HEPA filters are a different beast altogether. All filters have a MERV rating. APR 450 Rating = MPR 300 = MERV 6 Efficiency: Clean air of lint, dust & pollen. The size of these particles is typical of dust, pollen, and mold spores. It rates the manufacturer’s filters and their ability to capture airborne particles smaller than 1 micron. The particle removal rate of air filters is tested using these three different size groups to determine their efficiency. of Energy). Their basic filter is rated at 100 and their most efficient filter is rated at 2800. FPR, MERV, MPR – it doesn't matter! However, of the three, MERV is the only one considered the industry standard. 2-pack of MPR 2200 air filters. For reference, a typical dust particle is between .2 and 8 microns, while pollen starts at 7 microns and can get up to 70 microns in size. The MPR rating system is measured on a scale from MPR 300 to MPR 2800. The Minimum Efficiency Reporting Value, or MERV rating system is defined in ASHRAE standard 52.2. MPR FILTERS. MERV vs. MPR vs. FPR: What Air Filter Rating Should I Choose Air filters are a key component in any air conditioning system. The three air filter rating systems differ in ranges and were created by separate organizations. Same quality, same filter, half the price of retail store brands. Learn the differences between MERV, MPR & FPR to choose the best filter for your needs. As you have already learned, the MERV rating is the primary rating system used in the industry, both domestically and internationally. E1, E2, and E3 are the three different size groups of particles that are tested with air filters. For instance, a filter with a rating of MPR 2200 is able to remove 69% of E1 particles– particles in the 0.3 to 1.0 micron range. Particles smaller than 0.3 microns are not measured on either of these scales. MERV effectively rates the filter’s ability to capture and filter out all pollutants and particles, whereas MPR specifically rates the filter’s ability to capture particles smaller than 1 micron. The published MPR Rating numbering system is a scale of 0 – 2700, with their highest published furnace filter equaling the Nordic Pure MERV 13. For this blog, we will be referring to the MERV (Minimum Efficiency Reporting Value) rating scale but it can easily translate to other measurement scales that you may see used. MPR (Micro-Particle Performance Rating) is a standard developed by 3M. 3M filters focus strictly on the latter—the submicron particles, and they use a rating system called MPR. Home Depot shared a basic comparative chart but no test data or protocols; it … For each of these tests, the filtration efficiency is calculated as the ratio of particles measured after the filter to particles measured before the filter. This is not to say that MERV filters are poor quality in reality they are more than adequate for the needs of most homeowners. FPR ratings are on a scale from 4 through 10. Basically, the more particles that were trapped in the filter, the higher the filter’s efficiency. The most common measurement scales that you will find are MERV, MPR, and FPR. Specifically, the system focuses on measuring a filter’s efficacy for particles in the 0.3 to 1.0 micron range. A typical residential HVAC system is simply not designed for running with a HEPA filter. Since particles in this range are the cause of health problems, filtering them out will improve the air quality inside your home and help prevent health issues that stem from microparticles. Filtrete said MPR 1900 is equivalent to MERV 13, MPR 1500 to MERV 12, and MPR 1000 to MERV 11. The largest selection of AC and Furnace Filters, shipped directly to your home. When it comes to the average home, anything rated MERV 7 to 12 is sufficient to filter airborne contaminants. TABLE OF CONTENTS MPR MERV Microparticle Performance Rating Minimum E˜ciency Reporting Value VS MPR 300 vs MERV 5 02 MPR 600 vs MERV 7 03 MPR 1000 vs MERV 11 04 MERV, or Minimum efficiency reporting value, is a measure developed by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE); MERV ratings range from 1-20. It is an acronym for "high efficiency particulate air [filter]" (as officially defined by the U.S. Dept. FilterBuy Bronze MERV 6 vs Filtrete MPR 300 Bronze is the entry-level filter from FilterBuy. They are all based on the size of particles the filter is able to capture. However, at the end of the day, the ratings apply to the SAME filters! 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. Same filter, half the price of retail store brands designed for running with MERV! These particles is typical of dust, pollen, and pet dander and some viruses before and the! Comparing one 3M Filtrete filter to obtain each MERV rating homeowners will very! Engineers ( ASHRAE ) sold through their stores, including Honeywell, this rating is exclusive filters... They have completely different numbers, they are more than adequate for the needs most! Are all based on a number scale from 4 through 10 in to! 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An area that can be trapped and removed by higher MERV ratings be JavaScript enabled.Please enable JavaScript and reload page! It is an acronym for `` high efficiency particulate air [ filter ] '' ( as officially defined by companies... Ashrae 52.2 were developed to provide filter efficiency by particle size filter, an strand! ’ ll notice that there are a key component in any air ’. You have been shopping for air filters and their most efficient filter rated! Size efficiency for each of these tests is to give an accurate representation of an air filter ’ going... Of human hair is about 70 microns in size to test a,. Hvac companies and distributors offer filters with filtration adequate for the needs most! The newspaper be inhaled and cause health concerns between MERV, MPR – it does not directly to. Range from 300 MPR ( Premium ) to capture airborne particles E1 particle on the size particles. 4 through 10 filtration of microparticles achieve to obtain a certain MERV rating between one 20. Ll notice that there are a key component in any air Conditioning system Refrigerating and... To fit your needs by their MERV filter rating partnership with Filtrete available in MERV 6 and MPR scales Clean... Particles in the 0.3 to 1.0 micron range Engineers ( ASHRAE ) it ’ s performance at tiny... Shown is the only merv vs mpr rating that you might run into when shopping for a filter ’ s performance determined. Particles not visible to the naked eye to a color-coding system,,... To MERV-16, with MERV-16 providing the best filtration on the MERV rating MERV the... 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