{"id":3169,"date":"2018-04-12T06:16:28","date_gmt":"2018-04-12T11:16:28","guid":{"rendered":"https:\/\/www.galmicheandsons.com\/hvac-blog\/?p=3169"},"modified":"2024-08-16T13:36:01","modified_gmt":"2024-08-16T18:36:01","slug":"how-hvac-filters-work","status":"publish","type":"post","link":"https:\/\/www.galmicheandsons.com\/hvac-blog\/how-hvac-filters-work\/","title":{"rendered":"How Do HVAC Filters Work?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/how-hvac-filters-work\/#What_Do_HVAC_Filters_Do\" >What Do HVAC Filters Do?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/how-hvac-filters-work\/#MERV_Ratings_for_HVAC_Filters\" >MERV Ratings for HVAC Filters<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/how-hvac-filters-work\/#Why_Is_It_Important_to_Replace_Your_HVAC_Filters\" >Why Is It Important to Replace Your HVAC Filters?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/how-hvac-filters-work\/#Contact_Us_to_Learn_More_on_How_HVAC_Filters_Work\" >Contact Us to Learn More on How HVAC Filters Work<\/a><\/li><\/ul><\/nav><\/div>\n<p>One of the constant messages mentioned in the HVAC industry is the importance of regularly checking and changing HVAC filters in your system. They play an important role in keeping your home&rsquo;s air clean, and your HVAC system running at its best. With all of the importance placed on HVAC filters though, you may be asking yourself &ldquo;How do HVAC filters work?&rdquo;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"border:none\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/how-hvac-filters-work-2.jpg\" alt=\"How Do HVAC Filters Work?\" width=\"500\" height=\"194\" class=\"aligncenter size-full wp-image-3198\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/how-hvac-filters-work-2.jpg 500w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/how-hvac-filters-work-2-300x116.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>At Galmiche &amp; Sons, we are happy to answer all your questions on HVAC filters including &ldquo;How do HVAC filters work?&rdquo; We have been serving the people of St. Louis with quality HVAC service for many years, and we would be glad to take care of all your <a href=\"https:\/\/www.galmicheandsons.com\/contact-galmiche.php\">heating &amp; conditioning<\/a> needs. Call Galmiche &amp; Sons today at <span class=\"mobile_tel\"><span class=\"mobile_tel\">314-993-1110<\/span><\/span> to learn more and to schedule your regular <a href=\"https:\/\/www.galmicheandsons.com\/service-request.php\">HVAC maintenance<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Do_HVAC_Filters_Do\"><\/span>What Do HVAC Filters Do?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>For your HVAC system to continue functioning properly, it is important to keep the air that circulates through it clean. This is where your HVAC filter comes into play. The air in your home usually contains a lot of dust, dirt, and other contaminants, which could cause damage to your HVAC system. Contrary to the popular belief that the air is cleaned to protect your health, HVAC filters are primarily designed to to protect the blower fan in your HVAC system.<\/p>\n<p>When air is drawn into the HVAC system, it is first warmed or cooled and then pushed through ducts that deliver it to all the rooms in your house. The HVAC filter cleans the air just before it is pulled in through the blower and circulated through the ducts. As the air is forced through the filter, the material, usually pleated cloth or paper, traps any contaminants that are in the air.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"border:none\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/how-hvac-filters-work-1.jpg\" alt=\"HVAC Filters | How Filters Work\" width=\"600\" height=\"562\" class=\"aligncenter size-full wp-image-3197\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/how-hvac-filters-work-1.jpg 600w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/how-hvac-filters-work-1-300x281.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"MERV_Ratings_for_HVAC_Filters\"><\/span>MERV Ratings for HVAC Filters<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The level of efficiency of HVAC filters will vary between different HVAC systems and different types of filters. Minimum efficiency reporting value, or MERV, is the standard way of rating the efficiency and performance of HVAC filters. The MERV rating of the filter is usually indicated as a number between 1 and 16, although there are some filters with a rating above 16. A higher MERV rating indicates a more efficient filter, but it also means a more expensive system.<\/p>\n<p>It is also important to note that HVAC filters with higher MERV ratings can interfere with the flow of air. They allow less air to flow through the HVAC system and this may eventually interfere with the <a href=\"https:\/\/www.galmicheandsons.com\/residential-heating-cooling.html\">heating &amp; cooling<\/a> system.<\/p>\n<p>For most residential homes, HVAC filters with a MERV rating of 7-10 are recommended. However, it is important that you check the maximum MERV rating that the model of your system can handle.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_Is_It_Important_to_Replace_Your_HVAC_Filters\"><\/span>Why Is It Important to Replace Your HVAC Filters?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>With time, the filters in your HVAC system get clogged up due to all the dirt they filter. You should inspect your filter monthly and replace it if need be. Clogged filters have several disadvantages:<\/p>\n<ul>\n<li>They can cause damage to the entire system even possibly causing irreparable malfunctions<\/li>\n<li>They increase the energy usage thereby, increasing your energy bills<\/li>\n<li>They reduce airflow inside the system which causes the blower fans to wear out faster<\/li>\n<li>They are less effective and the air inside your home will contain more contaminants<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Contact_Us_to_Learn_More_on_How_HVAC_Filters_Work\"><\/span>Contact Us to Learn More on How HVAC Filters Work<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>At Galmiche &amp; Sons, we understand how important it is that your <a href=\"https:\/\/www.galmicheandsons.com\/quote-request.php\">HVAC system<\/a> remains in good working condition, especially with hot St. Louis summers and cold winters. Call us at <span class=\"mobile_tel\"><span class=\"mobile_tel\">314-993-1110<\/span><\/span> for all your questions on HVAC filters as well as other <a href=\"https:\/\/www.galmicheandsons.com\/contact-galmiche.php\">heating &amp; conditioning<\/a> needs!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of the constant messages mentioned in the HVAC industry is the importance of regularly checking and changing HVAC filters in your system. They play an important role in keeping your home&rsquo;s air clean, and your HVAC system running at its best. With all of the importance placed on HVAC filters though, you may be asking yourself &ldquo;How do HVAC filters work?&rdquo; At Galmiche &amp; Sons, we are happy to answer all your questions on HVAC filters including &ldquo;How do &hellip; <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/how-hvac-filters-work\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">How Do HVAC Filters Work?<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mbp_gutenberg_autopost":false,"footnotes":""},"categories":[21,38,3,17,10],"tags":[],"class_list":["post-3169","post","type-post","status-publish","format-standard","hentry","category-air-filter","category-heating-cooling-faqs","category-hvac-maintenance","category-hvac-system","category-indoor-air-quality"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Do HVAC Filters Work? | St. Louis HVAC Tips and FAQs<\/title>\n<meta name=\"description\" content=\"How do HVAC Filters Work? HVAC filters protect your HVAC system and ensure clean air flow. Learn how to protect your HVAC system and healthy with the best HVAC filters from our St. Louis HVAC experts\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/how-hvac-filters-work\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Do HVAC Filters Work? | St. Louis HVAC Tips and FAQs\" \/>\n<meta property=\"og:description\" content=\"How do HVAC Filters Work? HVAC filters protect your HVAC system and ensure clean air flow. Learn how to protect your HVAC system and healthy with the best HVAC filters from our St. Louis HVAC experts\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/how-hvac-filters-work\/\" \/>\n<meta property=\"og:site_name\" content=\"St. Louis HVAC Tips - Galmiche &amp; Sons\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/GalmicheAndSons\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-12T11:16:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-16T18:36:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/how-hvac-filters-work-2.jpg\" \/>\n<meta name=\"author\" content=\"Steve Dulle\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@GalmicheAndSon\" \/>\n<meta name=\"twitter:site\" content=\"@GalmicheAndSon\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Steve Dulle\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/how-hvac-filters-work\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/how-hvac-filters-work\\\/\"},\"author\":{\"name\":\"Steve Dulle\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#\\\/schema\\\/person\\\/b90d5d47a6f393d93d6459a9aa8b2fe1\"},\"headline\":\"How Do HVAC Filters Work?\",\"datePublished\":\"2018-04-12T11:16:28+00:00\",\"dateModified\":\"2024-08-16T18:36:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/how-hvac-filters-work\\\/\"},\"wordCount\":611,\"publisher\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/how-hvac-filters-work\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/wp-content\\\/uploads\\\/how-hvac-filters-work-2.jpg\",\"articleSection\":[\"Air Filter\",\"Heating &amp; Cooling FAQs\",\"HVAC Maintenance\",\"HVAC System\",\"Indoor Air Quality\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/how-hvac-filters-work\\\/\",\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/how-hvac-filters-work\\\/\",\"name\":\"How Do HVAC Filters Work? | St. Louis HVAC Tips and FAQs\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/how-hvac-filters-work\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/how-hvac-filters-work\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/wp-content\\\/uploads\\\/how-hvac-filters-work-2.jpg\",\"datePublished\":\"2018-04-12T11:16:28+00:00\",\"dateModified\":\"2024-08-16T18:36:01+00:00\",\"description\":\"How do HVAC Filters Work? 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