{"id":20596,"date":"2025-10-30T06:28:55","date_gmt":"2025-10-30T10:28:55","guid":{"rendered":"https:\/\/www.filtersfast.com\/blog\/?p=20596"},"modified":"2026-07-31T09:42:19","modified_gmt":"2026-07-31T13:42:19","slug":"what-is-the-difference-between-fpr-merv-and-mpr","status":"publish","type":"post","link":"https:\/\/blog.filtersfast.com\/blog\/what-is-the-difference-between-fpr-merv-and-mpr\/","title":{"rendered":"MERV vs. MPR vs. FPR: Understanding Air Filter Ratings"},"content":{"rendered":"<h2><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-20603\" src=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/MPR_.png\" alt=\"girl wondering what merv, mpr and frpr mean\" width=\"643\" height=\"643\" srcset=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/MPR_.png 1080w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/MPR_-300x300.png 300w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/MPR_-1024x1024.png 1024w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/MPR_-768x768.png 768w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/MPR_-100x100.png 100w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/MPR_-150x150.png 150w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/h2>\n<p>Air filters can improve indoor air quality and safeguard your HVAC system. Choosing the right air filter rating will help you meet your filtration priorities and achieve the cleanest possible air in your home.<\/p>\n<p>This blog will help you understand each air filter rating and why they are essential.<\/p>\n<p>MERV, MPR, and FPR are the three most common air filter rating systems. Here&#8217;s what they stand for:<\/p>\n<ul>\n<li><strong>MERV<\/strong> &#8211; Minimum Efficiency Reporting Value Rating<\/li>\n<li><strong>MPR<\/strong> &#8211; Microparticle Performance Rating<\/li>\n<li><strong>FPR<\/strong> &#8211; Filter Performance Rating<\/li>\n<\/ul>\n<h2><\/h2>\n<h2>What does MERV stand for?<\/h2>\n<p>The American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) established the MERV rating system. It is the industry standard for rating air filters.<\/p>\n<h2>What is a MERV Rating?<\/h2>\n<p class=\"isSelectedEnd\">A MERV rating shows how well an air filter captures airborne particles. Ratings typically range from 1 to 20, and higher numbers generally mean stronger filtration.<\/p>\n<p class=\"isSelectedEnd\">However, a higher rating can also make it harder for air to move through the filter. If the filter is too restrictive for your HVAC system, it may reduce performance and put extra strain on the equipment.<\/p>\n<p>The goal is to choose a filter that provides the filtration you want while still allowing your system to maintain proper airflow.<\/p>\n<p style=\"text-align: center;\"><a class=\"ffbutton\" href=\"https:\/\/www.filtersfast.com\/merv-ratings-collection-cat.asp\">Shop MERV Rated Filters<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2>What is an MPR Rating?<\/h2>\n<p class=\"isSelectedEnd\">MPR stands for Microparticle Performance Rating. It was created by 3M and is mainly used for Filtrete air filters.<\/p>\n<p class=\"isSelectedEnd\">MPR focuses on how well a filter captures smaller particles, including smoke, pet dander, bacteria, and other microscopic particles.<\/p>\n<p>MPR ratings typically range from 300 to 2800. In general, a higher MPR rating means stronger filtration.<\/p>\n<p style=\"text-align: center;\"><a class=\"ffbutton\" href=\"https:\/\/www.filtersfast.com\/search\/?query=MPR&amp;requestType=DefaultSearch\">Shop MPR Rated Filters<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2>What is an FPR Rating?<\/h2>\n<p class=\"isSelectedEnd\">FPR stands for Filter Performance Rating. It was created by The Home Depot for air filters sold in its stores. FPR ratings range from 4 to 10 and help shoppers compare a filter\u2019s overall performance.<\/p>\n<p>In general, a higher FPR rating means the filter can capture smaller particles and provide stronger filtration.<\/p>\n<p style=\"text-align: center;\"><a class=\"ffbutton\" href=\"https:\/\/www.filtersfast.com\/search\/?query=FPR&amp;requestType=DefaultSearch\">Shop MERV Replacements for FPR Filters<\/a><\/p>\n<p>&nbsp;<\/p>\n<div class=\"filter-rating-table-wrapper\">\n<table class=\"filter-rating-table\">\n<caption>MERV, MPR and FPR Rating Comparison<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">MERV Rating<\/th>\n<th scope=\"col\">Contaminants Captured<\/th>\n<th scope=\"col\">Comparable MPR Rating<\/th>\n<th scope=\"col\">Comparable FPR Rating<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-label=\"MERV Rating\"><strong>MERV 6<\/strong><\/td>\n<td data-label=\"Contaminants Captured\">Dust, lint and pollen<\/td>\n<td data-label=\"Comparable MPR Rating\">MPR 300<\/td>\n<td data-label=\"Comparable FPR Rating\"><span aria-label=\"No comparable rating available\">\u2014<\/span><\/td>\n<\/tr>\n<tr>\n<td data-label=\"MERV Rating\"><a href=\"https:\/\/www.filtersfast.com\/merv-8-air-filters-cat.asp\"><strong>MERV 8<\/strong><\/a><\/td>\n<td data-label=\"Contaminants Captured\">Dust, lint, pollen, dust mites and mold spores<\/td>\n<td data-label=\"Comparable MPR Rating\">MPR 600<\/td>\n<td data-label=\"Comparable FPR Rating\">FPR 5<\/td>\n<\/tr>\n<tr>\n<td data-label=\"MERV Rating\"><a href=\"https:\/\/www.filtersfast.com\/merv-11-air-filters-cat.asp\"><strong>MERV 11<\/strong><\/a><\/td>\n<td data-label=\"Contaminants Captured\">Dust, lint, pollen, dust mites, mold spores, pet dander, smoke, smog, and particles from coughs and sneezes<\/td>\n<td data-label=\"Comparable MPR Rating\">MPR 1000\u20131200<\/td>\n<td data-label=\"Comparable FPR Rating\">FPR 7<\/td>\n<\/tr>\n<tr>\n<td data-label=\"MERV Rating\"><a href=\"https:\/\/www.filtersfast.com\/merv-13-air-filters-cat.asp\"><strong>MERV 13<\/strong><\/a><\/td>\n<td data-label=\"Contaminants Captured\">Dust, lint, pollen, dust mites, mold spores, pet dander, smoke, smog, particles from coughs and sneezes, bacteria, and some virus-carrying particles<\/td>\n<td data-label=\"Comparable MPR Rating\">MPR 1500\u20132000<\/td>\n<td data-label=\"Comparable FPR Rating\">FPR 10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<h2><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"512\" class=\"size-full wp-image-22403\" style=\"width: 100%; height: 400px; object-fit: cover;\" src=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/01\/iStock-1211073867-1.jpg\" alt=\"mn replacing air filter after find out which MERV rating he needed\" srcset=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/01\/iStock-1211073867-1.jpg 683w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/01\/iStock-1211073867-1-400x300.jpg 400w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/01\/iStock-1211073867-1-250x188.jpg 250w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/p>\n<h2>What do different MERV ratings filter?<\/h2>\n<p class=\"isSelectedEnd\">Different MERV ratings capture different sizes and types of airborne particles:<\/p>\n<ul data-spread=\"false\">\n<li><strong>MERV 1\u20134:<\/strong> Dust, lint, carpet fibers, and some pollen.<\/li>\n<li><strong>MERV 5\u20138:<\/strong> Dust mites, mold spores, pet hair, and more pollen.<\/li>\n<li><strong>MERV 9\u201312:<\/strong> Captures finer particles such as pet dander, fine dust, some smoke particles, and other common allergens.<\/li>\n<li><strong>MERV 13:<\/strong> Captures an even greater percentage of fine particles, including smoke, bacteria, and respiratory droplets.<\/li>\n<\/ul>\n<p>In general, the higher the MERV rating, the finer particles it collects. However, not every HVAC system is designed for a high-MERV filter, so check your system\u2019s recommendations before upgrading.<\/p>\n<h3><\/h3>\n<h3>MERV 8 vs. MERV 11: Which One Should You Choose?<\/h3>\n<p class=\"isSelectedEnd\">For most homes, a MERV 8 filter is a solid everyday choice. It helps capture common particles like dust, pollen, mold spores, and dust mites while keeping air moving comfortably through your HVAC system.<\/p>\n<p class=\"isSelectedEnd\">A MERV 11 filter offers stronger filtration. It can capture smaller particles such as pet dander, smoke, and smog, making it a good option for homes with pets, allergy concerns, or more outdoor pollution.<\/p>\n<p>The main difference comes down to filtration and price. MERV 11 is a more premium option for those who need more efficiency, while MERV 8 is a practical everyday option for many homes.<\/p>\n<h2><img loading=\"lazy\" decoding=\"async\" width=\"936\" height=\"624\" class=\"alignnone size-full wp-image-24600\" style=\"width: 100%; height: 400px; object-fit: cover;\" src=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2025\/12\/changing-air-filter.png\" alt=\"changing air filter\" srcset=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2025\/12\/changing-air-filter.png 936w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2025\/12\/changing-air-filter-400x267.png 400w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2025\/12\/changing-air-filter-768x512.png 768w\" sizes=\"auto, (max-width: 936px) 100vw, 936px\" \/><\/h2>\n<h3>Where Are MERV 11 Filters Most Useful?<\/h3>\n<p>MERV 11 filters deliver a higher level of filtration than standard home filters without compromising airflow. This makes them a versatile choice for many settings. MERV 11 filters are the best for the following places:<\/p>\n<ul>\n<li>Schools, offices, and retail stores that require effective dust and allergen removal for comfort and productivity.<\/li>\n<li>Where basic air cleanliness is required, but intense filtration isn\u2019t critical, such as in medical waiting areas and administrative spaces.<\/li>\n<li>Larger buildings and apartment complexes can benefit from added filtration to protect shared air quality among residents, especially in high-traffic common areas.<\/li>\n<li>Industrial and warehouse environments that need moderate control of dust, particulate matter, and odors without putting undue strain on the HVAC system.<\/li>\n<li>Households, kennels, or vet offices that need to manage pet hair, dander, and associated odors.<\/li>\n<\/ul>\n<p>MERV 11 is an excellent choice for reducing exposure to extra allergens. It can handle pollen, mold spores, and smog. You don\u2019t need to spend on heavy-duty filters.<\/p>\n<h3><\/h3>\n<h3>MERV 13-16: Top Level Filtration, Restrictive Air Flow<\/h3>\n<p class=\"isSelectedEnd\">MERV 13 filters capture smaller particles such as fine dust, smoke, bacteria, and some particles that may carry viruses. They are often used in homes that need stronger filtration, as well as in some medical and commercial settings.<\/p>\n<p class=\"isSelectedEnd\">Filters above MERV 13 are usually designed for hospitals, laboratories, and other specialized facilities.<\/p>\n<p>Higher-rated filters can reduce airflow, so they should only be used when the HVAC system is designed to support them.<\/p>\n<p>Here\u2019s a MERV rating chart to help you better understand their effectiveness:<\/p>\n<p><a href=\"https:\/\/www.filtersfast.com\/Filters-Fast-Air-cat.asp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-20598 size-full\" src=\"https:\/\/www.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/Merv-InfographicV2.jpg\" alt=\"FiltersFast MERV ratings infographic\" width=\"1000\" height=\"619\" srcset=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/Merv-InfographicV2.jpg 1000w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/Merv-InfographicV2-300x186.jpg 300w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/Merv-InfographicV2-768x475.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/p>\n<p>Filters Fast Brand air filters are available in MERV ratings of 8 and above and are tested to ensure they meet the MERV rating standard.<\/p>\n<p style=\"text-align: center;\"><a class=\"ffbutton\" href=\"https:\/\/www.filtersfast.com\/filtersfast-cat.asp\">Shop Filters Fast\u00ae Filters<\/a><\/p>\n<h2><\/h2>\n<h2><\/h2>\n<h2>Why understanding filter efficiency matters<\/h2>\n<p>Not all air filters are created equally; filter ratings are more than just technical numbers. The rating you select directly impacts how effectively a filter removes pollutants such as dust, pet dander, pollen, and smoke particles.<\/p>\n<p>Choosing the right filter rating goes beyond cleaner air; it also contributes to the efficiency and lifespan of your HVAC system. This is not a decision that should be taken lightly.<\/p>\n<h2><\/h2>\n<h2>Why is airflow necessary?<\/h2>\n<p>When determining the air filter rating you need, consider the airflow requirements.<\/p>\n<p>Airflow has a direct impact on whether your filter can do its job. If the airflow is too low, this can prevent the air filter from pulling contaminants into the filter. If the airflow is too high, contaminants can skip the filter. This can lead to bad air quality or harm your HVAC system.<\/p>\n<h2><\/h2>\n<h2>What does MPR mean on air filters?<\/h2>\n<p>MPR, or Micro Particle Performance Rating, was developed by 3M, the manufacturer of Filtrete Air Filters. MPR Ratings range from 100 to 2800, indicating the filter\u2019s capacity to remove particles from 0.3 to 1 micron.<\/p>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22831\" src=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/10\/filtrete-ultra-allergen-air-filter.jpg\" alt=\"3m mpr 1500 filtrete ultra allergen air filter\" width=\"277\" height=\"277\" srcset=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/10\/filtrete-ultra-allergen-air-filter.jpg 535w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/10\/filtrete-ultra-allergen-air-filter-300x300.jpg 300w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/10\/filtrete-ultra-allergen-air-filter-100x100.jpg 100w\" sizes=\"auto, (max-width: 277px) 100vw, 277px\" \/><\/h2>\n<h2><a href=\"https:\/\/www.filtersfast.com\/p-3m-filtrete-ultimate-allergen-air-filter.asp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22830\" src=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/10\/3m-filtrete-ultimate-allergen-air-filter.jpg\" alt=\"3m mpr 1900 filtrete premium air filter\" width=\"271\" height=\"271\" srcset=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/10\/3m-filtrete-ultimate-allergen-air-filter.jpg 541w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/10\/3m-filtrete-ultimate-allergen-air-filter-300x300.jpg 300w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2021\/10\/3m-filtrete-ultimate-allergen-air-filter-100x100.jpg 100w\" sizes=\"auto, (max-width: 271px) 100vw, 271px\" \/><\/a><\/h2>\n<h2><\/h2>\n<h2>MERV vs MPR<\/h2>\n<p>If you\u2019re interested in the Filtrete brand for air filters, you\u2019ll want to ensure you understand the MPR ratings. Here\u2019s a quick look at how they compare to MERV ratings:<\/p>\n<ul>\n<li>800 MPR, 1000 MPR, 1085 MPR &amp; 1200 MPR are similar to a MERV 11 rating<\/li>\n<li>1500 MPR &amp; 1550 MPR are closest to a MERV 12-rated filter<\/li>\n<li>1900 MPR &amp; 2200 MPR will offer MERV 13-level filtration<\/li>\n<li>2800 MPR will provide MERV 14 air filtration<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\"><a class=\"ffbutton\" href=\"https:\/\/www.filtersfast.com\/3m-filtrete-air-filters-cat.asp\">Shop 3M Filtrete Air Filters<\/a><\/h2>\n<p>&nbsp;<\/p>\n<h3>Is an MPR 600 effective enough?<\/h3>\n<p>Consider this: an MPR 600 filter effectively captures common, everyday contaminants, including dust, pollen, and pet dander. This level of filtration can noticeably enhance the air quality in most homes. An FPR 4-5 (or its MERV or MPR equivalent) is a reliable choice for those wanting to combat common allergens or are looking for the most basic level of filtration. This rating enables you to maintain steady airflow while protecting your living environment.<\/p>\n<p>&nbsp;<\/p>\n<h3>What is the best MPR rating for the average home?<\/h3>\n<p>It all depends on your unique needs. Good residential MPR ratings range from 300 (most basic) to 2800 (premium). The higher the number, the better the filtration performance. If you&#8217;re most concerned about microscopic particles, like pet dander, pollen, and smoke, you&#8217;ll want to choose an MPR rating on the higher end of the scale.<\/p>\n<p>For most homes, an MPR rating between 800 and 1500 offers a balance between filtration and airflow. If you have allergies or specific concerns about air quality, you&#8217;ll want to consider the higher MPR options.<\/p>\n<h3><\/h3>\n<h3>Is an MPR filter better than an MERV filter?<\/h3>\n<p>No rating system is inherently &#8220;better&#8221; than another; it&#8217;s more about how each system measures a filter&#8217;s performance. MPR focuses on a filter\u2019s ability to capture the tiniest particles, such as smoke, pet dander, and bacteria. Conversely, MERV uses a broader scale that measures performance against a wider range of particle sizes.<\/p>\n<p>If you&#8217;re concerned about ultra-fine particles, higher MPR-rated filters typically outperform lower MERV filters in capturing tiny contaminants. However, matching an MPR to the equivalent MERV rating that fits your air quality needs and system capabilities will serve you well.<\/p>\n<p>Ultimately, the \u201cbest\u201d filter is the one that strikes a balance between filtration and airflow for your home and HVAC system.<\/p>\n<h2><\/h2>\n<h2>FPR Air Filter Ratings<\/h2>\n<p class=\"isSelectedEnd\">FPR stands for Filter Performance Rating. It was created by The Home Depot for air filters sold in its stores.<\/p>\n<p class=\"isSelectedEnd\">FPR ratings range from 4 to 10. Similar to the other rating systems, a higher number means stronger filtration.<\/p>\n<p class=\"isSelectedEnd\">The rating helps shoppers compare how well filters capture particles like dust, pollen, and pet dander. Some FPR ratings may also consider features like odor reduction and filter lifespan.<\/p>\n<p>Unlike MERV, FPR is a store-specific system, so comparing directly with MERV or MPR ratings isn&#8217;t recommended.<\/p>\n<p>&nbsp;<\/p>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-20601 aligncenter\" src=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/iStock-576545504.jpg\" alt=\"Abstract blur warehouse or storehouse background.\" width=\"2119\" height=\"1415\" srcset=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/iStock-576545504.jpg 2119w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/iStock-576545504-300x200.jpg 300w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/iStock-576545504-768x513.jpg 768w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/iStock-576545504-1024x684.jpg 1024w\" sizes=\"auto, (max-width: 2119px) 100vw, 2119px\" \/><\/h2>\n<h2>FPR vs MERV<\/h2>\n<h3>How do FPR filter ratings compare to MERV &amp; MPR ratings?<\/h3>\n<ul>\n<li>FPR 4-5 would be considered equivalent to a MERV 8 or MPR 600, which effectively captures common airborne contaminants.<\/li>\n<li>FPR 6-7 is comparable to MERV 9-12 and MPR 1000-1200, providing enhanced filtering capabilities with limited airflow.<\/li>\n<li>FPR 8-9 equals a MERV 12+ or MPR 1500+ rating. This rating offers the best possible air quality, albeit with more restricted airflow.<\/li>\n<li>FPR 10 is the highest rating and effectively removes odor-causing particles and airborne contaminants.<\/li>\n<\/ul>\n<h3><\/h3>\n<h3>Is FPR 7 evquivlant to MERV 11?<\/h3>\n<p>Yes, an FPR 7 filter is equivalent to an MERV 11 filter. Both ratings effectively capture and filter common indoor airborne allergens while offering adequate airflow. When comparing the two, either is a suitable choice for reducing allergens without significantly affecting airflow.<\/p>\n<h3><\/h3>\n<h3>Is FPR 12 too much for a home?<\/h3>\n<p>Much like a MERV 13, FPR 12 aligns with ultra-high efficiency ratings that capture a wide range of particles, including bacteria and virus carriers. While it may sound ideal, this FPR rating is very restrictive and will impact airflow.<\/p>\n<p>For homes, stick with an FPR of 10 or lower. It will provide a high level of filtration and a lesser impact on airflow. Always consult your HVAC owner&#8217;s manual or ask a professional if you are in doubt.<\/p>\n<p>&nbsp;<\/p>\n<p>Here\u2019s a simple chart we put together to explain each of the different air filter ratings and what the differences are:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-20600 aligncenter\" src=\"https:\/\/www.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/Air-Filter-Ratings-Explained.png\" alt=\"Air Filter Ratings Explained table\" width=\"645\" height=\"255\" srcset=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/Air-Filter-Ratings-Explained.png 645w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2020\/01\/Air-Filter-Ratings-Explained-300x119.png 300w\" sizes=\"auto, (max-width: 645px) 100vw, 645px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>When in doubt, consult your HVAC unit manufacturer&#8217;s data to determine the correct MERV rating for your filter.<\/p>\n<p>&nbsp;<\/p>\n<h2><\/h2>\n<h2>Finding Your Filter: Factors to Consider<\/h2>\n<p>In addition to considering the contaminants you want to reduce in your home\u2019s air, you\u2019ll also need to consider where you live, the health needs of your household, and your budget.<\/p>\n<p><strong>What is the weather like where you live?<\/strong> Consider this when selecting the rating to use in your home. For example, if summer\u2019s hot and humid, you should opt for a lower MERV. MPR or FPR to maximize airflow. Doing so can help keep your home cool and beat the heat.<\/p>\n<p><strong>How many people live in your home, and what are their health needs?<\/strong> If you or a family member experiences seasonal allergies, you\u2019ll want to choose a rating that can trap common irritants like pollen, dust, and mold spores. In addition to people in your home, if you have pets, you\u2019ll want to ensure that your rating is rated to catch pet dander.<\/p>\n<p><strong>Do you have a budget?<\/strong> Choosing a higher rating will come with a high price tag, so you\u2019ll want to ensure that the cost of these filters fits within your budget. Filters should be changed every 1-3 months, so you\u2019ll need to plan for this expense to recur a few times a year.<\/p>\n<p>&nbsp;<\/p>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23610 aligncenter\" src=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2023\/12\/winterhome-blog4.jpg\" alt=\"Man cleaning air ducts in home.\" width=\"724\" height=\"483\" srcset=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2023\/12\/winterhome-blog4.jpg 724w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2023\/12\/winterhome-blog4-400x267.jpg 400w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><\/h2>\n<h2><\/h2>\n<h2>How to Choose the Right Rating System Based on Your Needs<\/h2>\n<p>Each filter rating system &#8211; MERV, MPR, and FPR- caters to different needs and shopping experiences. Here&#8217;s what you should know about each:<\/p>\n<ul>\n<li><strong>MERV<\/strong> is a great all-purpose choice, striking a balance between air quality and system efficiency. Plus, it\u2019s widely recognized and versatile. It is also a suitable solution for most homes and HVAC systems.<\/li>\n<li><strong>MPR<\/strong> (used exclusively by 3M Filtrete) targets small particles, like smoke or fine allergens. It is ideal for households with allergy sufferers or those living in areas with high pollution.<\/li>\n<li><strong>FPR<\/strong> (developed by Home Depot) provides a simple shopping experience. It allows users to compare options right in-store.<\/li>\n<\/ul>\n<p>Ultimately, let your air quality needs and the location of your filter purchase guide your decision. Planning goes a long way toward cleaner air and a healthier home.<\/p>\n<p>Not sure which rating fits your home? Use this table as a simple starting point based on your biggest air-quality concern.<\/p>\n<div class=\"need-rating-table-wrapper\">\n<table class=\"need-rating-table\">\n<caption>Best Air Filter Rating by Household Need<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">Household Need<\/th>\n<th scope=\"col\">Recommended Ratings<\/th>\n<th scope=\"col\">Why It May Help<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-label=\"Household Need\"><strong>Basic Dust Control<\/strong><\/td>\n<td data-label=\"Recommended Ratings\">\n<ul class=\"rating-list\">\n<li><strong>MERV:<\/strong> 6\u20138<\/li>\n<li><strong>MPR:<\/strong> 300\u2013600<\/li>\n<li><strong>FPR:<\/strong> Up to 5<\/li>\n<\/ul>\n<\/td>\n<td data-label=\"Why It May Help\">Captures dust, lint, pollen, and larger household particles.<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Household Need\"><strong>Homes With Pets<\/strong><\/td>\n<td data-label=\"Recommended Ratings\">\n<ul class=\"rating-list\">\n<li><strong>MERV:<\/strong> 8\u201311<\/li>\n<li><strong>MPR:<\/strong> 600\u20131200<\/li>\n<li><strong>FPR:<\/strong> 5\u20137<\/li>\n<\/ul>\n<\/td>\n<td data-label=\"Why It May Help\">Helps capture pet hair, dander, dust, and pollen.<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Household Need\"><strong>Allergy Concerns<\/strong><\/td>\n<td data-label=\"Recommended Ratings\">\n<ul class=\"rating-list\">\n<li><strong>MERV:<\/strong> 11\u201313<\/li>\n<li><strong>MPR:<\/strong> 1000\u20132000<\/li>\n<li><strong>FPR:<\/strong> 7\u201310<\/li>\n<\/ul>\n<\/td>\n<td data-label=\"Why It May Help\">Provides stronger capture of pollen, pet dander, mold spores, and fine dust.<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Household Need\"><strong>Smoke Concerns<\/strong><\/td>\n<td data-label=\"Recommended Ratings\">\n<ul class=\"rating-list\">\n<li><strong>MERV:<\/strong> 13<\/li>\n<li><strong>MPR:<\/strong> 1500\u20132000<\/li>\n<li><strong>FPR:<\/strong> 10<\/li>\n<\/ul>\n<\/td>\n<td data-label=\"Why It May Help\">Better captures fine particles associated with smoke.<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Household Need\"><strong>High Outdoor Pollution<\/strong><\/td>\n<td data-label=\"Recommended Ratings\">\n<ul class=\"rating-list\">\n<li><strong>MERV:<\/strong> 11\u201313<\/li>\n<li><strong>MPR:<\/strong> 1000\u20132000<\/li>\n<li><strong>FPR:<\/strong> 7\u201310<\/li>\n<\/ul>\n<\/td>\n<td data-label=\"Why It May Help\">Helps capture fine dust, smog, smoke, and other outdoor particles.<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Household Need\"><strong>HVAC Limitations<\/strong><\/td>\n<td data-label=\"Recommended Ratings\">\n<ul class=\"rating-list\">\n<li><strong>MERV:<\/strong> Highest supported<\/li>\n<li><strong>MPR:<\/strong> Match MERV equivalent<\/li>\n<li><strong>FPR:<\/strong> Match MERV equivalent<\/li>\n<\/ul>\n<\/td>\n<td data-label=\"Why It May Help\">Choose the highest rating your system can properly support.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"rating-table-note\">MPR and FPR comparisons are approximate because each rating system uses a different testing method.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><a class=\"ffbutton\" href=\"https:\/\/www.filtersfast.com\/filtersfast-cat.asp\">Shop Filters Fast\u00ae Filters<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2>Are Furnace Filters and AC Air Filters the Same Thing?<\/h2>\n<p>The answer might surprise you &#8211; furnace filters and AC are the same thing. Whether your system is heating or cooling, the air passes through the filter, catching dust, pollen, and other particles before circulating back into your home, regardless of its name.<\/p>\n<p>If you&#8217;re wondering if there&#8217;s a difference between \u201cfurnace filter\u201d and \u201cAC filter\u201d when shopping for filters, don\u2019t stress; they\u2019ll fit the same way and perform the same job, regardless of the season. Ensuring you have the correct size and the right filtration rating for your system is crucial.<\/p>\n<p>&nbsp;<\/p>\n<h2>Reminder to Replace<\/h2>\n<p>Once you\u2019ve chosen the correct filter rating, you\u2019ll want to change your filters regularly to keep your HVAC in good condition. It is recommended that 1-inch air filters be changed every 1 to 3 months. This helps ensure your filter is not overloaded with contaminants and prevents airflow impediment.<\/p>\n<p>For optimal results, check your air filters monthly, especially during the summer and winter months. If the filter seems dirty, change it. Replacing your filters regularly can yield significant benefits, including improved system efficiency, lower energy bills, prevention of emergency repairs, and a prolonged system lifespan.<\/p>\n<p>There are several ways to keep track of when to change your filter: You can set a reminder on your phone, buy air filters in bulk so you always have them on hand, sign up for a <a href=\"https:\/\/www.filtersfast.com\/auto-delivery.asp\">filter subscription service<\/a>, or change your filters when the seasons change. Whatever you choose, ensuring that you replace your filter periodically is key.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-24064 size-full\" src=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2024\/11\/hvac-technician-maintenance.jpg\" alt=\"HVAC techs tuning up an outdoor HVAC condenser unit\" width=\"724\" height=\"483\" srcset=\"https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2024\/11\/hvac-technician-maintenance.jpg 724w, https:\/\/blog.filtersfast.com\/blog\/wp-content\/uploads\/2024\/11\/hvac-technician-maintenance-400x267.jpg 400w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><\/p>\n<h2>Don&#8217;t Forget About HVAC Maintenance<\/h2>\n<p>In addition to replacing your filters regularly, having your HVAC system routinely serviced by a professional will help keep it in good working order. HVAC companies near you should offer seasonal service where they check your system to ensure everything works properly. It&#8217;s best to schedule this maintenance in the spring and fall to ensure your system is prepared to handle both the heat and the cold.<\/p>\n<h3><\/h3>\n<h3>What is typically included in an air conditioner tune-up?<\/h3>\n<p>While this service may differ from company to company, it typically includes checking refrigerant levels, cleaning the coils, inspecting the thermostat, and ensuring everything works correctly. Some companies may also offer an air filter inspection and will replace the filter for you.<\/p>\n<p>Consider this: paying a few hundred dollars twice a year to have your HVAC system serviced can help prevent shelling out thousands of dollars to repair or replace it.<\/p>\n<p>Now that you know what the rating systems mean and how they relate to you, we hope you have the information to make the best filtration choice. If you still need additional assistance with choosing the proper rating for your air filter, we\u2019re happy to help. Call us at <a style=\"background-color: #ffffff;\" href=\"tel:866-438-3458\">866-438-3458<\/a> or email us at <a style=\"background-color: #ffffff;\" href=\"mailto:support@filtersfast.com\">support@filtersfast.com<\/a>.<\/p>\n<p>Want more information about air filter ratings? Check out these blogs:<\/p>\n<ul>\n<li><a href=\"https:\/\/blog.filtersfast.com\/blog\/an-in-depth-merv-ratings-guide-must-read-before-you-buy\/\">An In-Depth MERV Ratings Guide: Must-Read Before You Buy<\/a><\/li>\n<li><a href=\"https:\/\/blog.filtersfast.com\/blog\/what-does-merv-mean\/\">What does MERV mean?<\/a><\/li>\n<li><a href=\"https:\/\/blog.filtersfast.com\/blog\/which-merv-rating-should-i-choose\/\">Which MERV Rating Should I Choose?<\/a><\/li>\n<li><a href=\"https:\/\/blog.filtersfast.com\/blog\/what-is-the-difference-between-merv-ratings\/\">Difference Between MERV Ratings &#8211; MERV 11 Recommended\u00a0<\/a><\/li>\n<li><a href=\"https:\/\/blog.filtersfast.com\/blog\/which-air-filter-merv-rating-is-recommended-for-allergies\/\">Which Air Filter MERV Rating is Recommended for Allergies?\u00a0<\/a><\/li>\n<\/ul>\n<style>.filter-rating-table-wrapper{width:100%;margin:24px 0;overflow-x:auto}.filter-rating-table{width:100%;table-layout:fixed;border-collapse:collapse;font-family:Arial,sans-serif;font-size:16px;line-height:1.5}.filter-rating-table caption{margin-bottom:12px;font-size:22px;font-weight:700;text-align:left}.filter-rating-table th,.filter-rating-table td{padding:14px;border:1px solid #d8d8d8;text-align:left;vertical-align:top;overflow-wrap:anywhere}.filter-rating-table th:nth-child(1),.filter-rating-table td:nth-child(1){width:15%}.filter-rating-table th:nth-child(2),.filter-rating-table td:nth-child(2){width:45%}.filter-rating-table th:nth-child(3),.filter-rating-table td:nth-child(3){width:20%}.filter-rating-table th:nth-child(4),.filter-rating-table td:nth-child(4){width:20%}.filter-rating-table th{background-color:#f3f5f7;font-weight:700}.filter-rating-table tbody tr:nth-child(even){background-color:#fafafa}@media(max-width:700px){.filter-rating-table-wrapper{overflow:visible}.filter-rating-table,.filter-rating-table thead,.filter-rating-table tbody,.filter-rating-table tr,.filter-rating-table th,.filter-rating-table td{display:block;width:100%}.filter-rating-table thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.filter-rating-table tbody tr{margin-bottom:18px;padding:4px 14px;border:1px solid #d8d8d8;border-radius:8px;background-color:#fff}.filter-rating-table tbody tr:nth-child(even){background-color:#fff}.filter-rating-table td{display:grid;grid-template-columns:minmax(120px,40%) 1fr;gap:12px;padding:12px 0;border:0;border-bottom:1px solid #e5e5e5}.filter-rating-table td:last-child{border-bottom:0}.filter-rating-table td::before{content:attr(data-label);font-weight:700}}<\/style>\n<style>\n.need-rating-table-wrapper{width:100%;margin:24px 0;overflow-x:auto}.need-rating-table{width:100%;table-layout:fixed;border-collapse:collapse;font-family:Arial,sans-serif;font-size:16px;line-height:1.5}.need-rating-table caption{margin-bottom:12px;font-size:22px;font-weight:700;text-align:left}.need-rating-table th,.need-rating-table td{padding:14px;border:1px solid #d8d8d8;text-align:left;vertical-align:top;overflow-wrap:anywhere}.need-rating-table th:nth-child(1),.need-rating-table td:nth-child(1){width:24%}.need-rating-table th:nth-child(2),.need-rating-table td:nth-child(2){width:30%}.need-rating-table th:nth-child(3),.need-rating-table td:nth-child(3){width:46%}.need-rating-table th{background-color:#f3f5f7;font-weight:700}.need-rating-table tbody tr:nth-child(even){background-color:#fafafa}.rating-list{margin:0;padding:0;list-style:none}.rating-list li{margin:0 0 4px}.rating-list li:last-child{margin-bottom:0}.rating-table-note{margin:14px 0 0;font-size:14px;line-height:1.5;color:#555}@media(max-width:700px){.need-rating-table-wrapper{overflow:visible}.need-rating-table,.need-rating-table thead,.need-rating-table tbody,.need-rating-table tr,.need-rating-table th,.need-rating-table td{display:block;width:100%}.need-rating-table thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.need-rating-table tbody tr{margin-bottom:18px;padding:6px 14px;border:1px solid #d8d8d8;border-radius:8px;background-color:#fff}.need-rating-table tbody tr:nth-child(even){background-color:#fff}.need-rating-table td{display:block;padding:11px 0;border:0;border-bottom:1px solid #e5e5e5}.need-rating-table td:last-child{border-bottom:0}.need-rating-table td::before{content:attr(data-label);display:block;margin-bottom:4px;font-weight:700}}<span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><br \/><\/style>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does MERV stand for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MERV stands for Minimum Efficiency Reporting Value. The rating system was established by the American Society of Heating, Refrigerating and Air-Conditioning Engineers, commonly known as ASHRAE. It is the industry-standard system for rating air filter efficiency.\"}},{\"@type\":\"Question\",\"name\":\"What is a MERV rating?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A MERV rating shows how effectively an air filter captures airborne particles. MERV ratings range from 1 to 16, and higher numbers generally indicate stronger filtration of smaller particles.\"}},{\"@type\":\"Question\",\"name\":\"What is an MPR rating?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MPR stands for Microparticle Performance Rating. It was created by 3M and is mainly used for Filtrete air filters.\"}},{\"@type\":\"Question\",\"name\":\"What is an FPR rating?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"FPR stands for Filter Performance Rating. It was created by The Home Depot for air filters sold in its stores. FPR ratings generally range from 4 to 10 and help shoppers compare filter performance.\"}},{\"@type\":\"Question\",\"name\":\"What do different MERV ratings filter?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Different MERV ratings capture different sizes and types of airborne particles. Lower ratings capture larger particles such as dust, lint and pollen. Higher ratings capture smaller particles such as pet dander, smoke, fine dust and bacteria more efficiently.\"}},{\"@type\":\"Question\",\"name\":\"MERV 8 vs. MERV 11: Which one should you choose?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For many homes, MERV 8 is a practical everyday choice that helps capture dust, pollen, mold spores and dust mites. MERV 11 provides stronger filtration of smaller particles, including pet dander and some particles associated with smoke and smog. It may be a better choice for homes with pets, allergy concerns or higher outdoor pollution.\"}},{\"@type\":\"Question\",\"name\":\"Where are MERV 11 filters most useful?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MERV 11 filters can be useful in homes with pets, allergy concerns or higher levels of dust and outdoor pollution. They capture smaller particles more efficiently than standard lower-rated filters.\"}},{\"@type\":\"Question\",\"name\":\"Why is airflow important?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Proper airflow allows your HVAC system to pull air through the filter and distribute conditioned air throughout the home. If airflow becomes too restricted, the system may work harder and deliver less air through the vents.\"}},{\"@type\":\"Question\",\"name\":\"What does MPR mean on air filters?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MPR means Microparticle Performance Rating. The system was developed by 3M for Filtrete air filters and focuses on a filter's ability to capture particles between 0.3 and 1 micron. Higher MPR ratings generally indicate stronger capture of these small particles.\"}},{\"@type\":\"Question\",\"name\":\"Is an MPR 600 filter effective enough?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"An MPR 600 filter can provide practical everyday filtration for many homes. It helps capture common particles such as dust, lint and pollen. Homes with pets, allergies, smoke concerns or higher outdoor pollution may benefit from a higher rating.\"}},{\"@type\":\"Question\",\"name\":\"What is the best MPR rating for the average home?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The best MPR rating depends on the home's filtration needs. Lower ratings provide basic dust and pollen control, while higher ratings capture smaller particles more efficiently. Many households choose a midrange filter that balances particle capture, cost and HVAC compatibility.\"}},{\"@type\":\"Question\",\"name\":\"Is an MPR filter better than a MERV filter?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No rating system is automatically better than another. MERV and MPR use different scales to describe filter performance. MERV is an industry-standard rating system, while MPR is primarily used for Filtrete air filters.\"}},{\"@type\":\"Question\",\"name\":\"How do FPR filter ratings compare with MERV and MPR ratings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"FPR, MERV and MPR use different rating scales and testing methods. FPR 5 is commonly compared with MERV 8, FPR 7 with MERV 11 and FPR 10 with MERV 13. These comparisons are approximate rather than exact conversions.\"}},{\"@type\":\"Question\",\"name\":\"Is FPR 7 equivalent to MERV 11?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"FPR 7 is commonly treated as approximately comparable to MERV 11. However, the two systems use different testing methods, so the ratings should not be considered perfectly interchangeable.\"}},{\"@type\":\"Question\",\"name\":\"Is FPR 10 too much for a home?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"FPR 10 provides high-efficiency particle filtration and is commonly compared with MERV 13. It may be helpful for homes concerned about fine particles, smoke, bacteria or other small airborne contaminants. Whether it is appropriate depends on the filter and the HVAC system's specifications.\"}},{\"@type\":\"Question\",\"name\":\"Are furnace filters and AC air filters the same thing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In a central HVAC system, the terms furnace filter, AC filter and HVAC filter usually refer to the same type of filter. The filter cleans air returning to the shared heating and cooling system.\"}}]}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Air filters can improve indoor air quality and safeguard your HVAC system. Choosing the right air filter rating will help you meet your filtration priorities and achieve the cleanest possible air in your home. This blog will help you understand each air filter rating and why they are essential. MERV, MPR, and FPR are the [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":20603,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[6,3458,1929],"tags":[9327,9326,2935,2123,7494,9324,9325],"ppma_author":[86192],"class_list":["post-20596","post","type-post","status-publish","format-standard","has-post-thumbnail","category-general","category-homeowners","category-water-education","tag-fpr-rating","tag-fpr-ratings","tag-merv-rating","tag-merv-ratings","tag-merv-ratings-explained","tag-mpr-rating","tag-mpr-ratings","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast 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