{"id":20008,"date":"2026-06-02T10:37:44","date_gmt":"2026-06-02T15:37:44","guid":{"rendered":"https:\/\/www.galmicheandsons.com\/hvac-blog\/?p=20008"},"modified":"2026-06-02T10:39:13","modified_gmt":"2026-06-02T15:39:13","slug":"dirty-commercial-hvac-air-filters","status":"publish","type":"post","link":"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/","title":{"rendered":"How Dirty Commercial HVAC Air Filters Affect Your HVAC System Performance"},"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\/dirty-commercial-hvac-air-filters\/#Why_Commercial_HVAC_Air_Filters_Matter\" >Why Commercial HVAC Air Filters Matter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#How_Dirty_Filters_Reduce_HVAC_Performance\" >How Dirty Filters Reduce HVAC Performance<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Restricted_Airflow_and_System_Strain\" >Restricted Airflow and System Strain<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Higher_Energy_Bills\" >Higher Energy Bills<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Poor_Indoor_Air_Quality\" >Poor Indoor Air Quality<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Increased_Equipment_Wear_and_Tear\" >Increased Equipment Wear and Tear<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Risk_of_System_Overheating_or_Freezing\" >Risk of System Overheating or Freezing<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Common_Causes_of_Dirty_Filters_in_Commercial_HVAC_Systems\" >Common Causes of Dirty Filters in Commercial HVAC Systems<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#High_Occupancy_Levels\" >High Occupancy Levels<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Construction_or_Renovation_Work\" >Construction or Renovation Work<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Infrequent_Maintenance\" >Infrequent Maintenance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Poor_Filtration_Selection\" >Poor Filtration Selection<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#How_Often_Should_Commercial_HVAC_Air_Filters_Be_Replaced\" >How Often Should Commercial HVAC Air Filters Be Replaced?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#How_Galmiche_Sons_Helps_Protect_Your_HVAC_System\" >How Galmiche &#038; Sons Helps Protect Your HVAC System<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/#Protect_Your_System_with_Professional_Commercial_HVAC_Service_in_St_Louis\" >Protect Your System with Professional Commercial HVAC Service in St. Louis<\/a><\/li><\/ul><\/nav><\/div>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/dirty-commercial-hvac-air-filters-1-300x200.jpg\" alt=\"How Dirty Commercial HVAC Air Filters Affect Your HVAC System Performance\" width=\"300\" height=\"200\" class=\"alignright size-medium wp-image-20044\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/dirty-commercial-hvac-air-filters-1-300x200.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/dirty-commercial-hvac-air-filters-1.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p>Commercial HVAC systems are designed to deliver consistent comfort, reliable airflow, and healthy indoor air quality for employees and customers. However, one of the simplest components in the system, the air filter, plays a major role in how well everything operates. When filters become dirty or clogged, they can significantly reduce system performance, increase energy costs, and shorten equipment lifespan.<\/p>\r\n<p>Understanding the importance of <strong>commercial HVAC air filters<\/strong> helps business owners in St. Louis protect their investment and maintain efficient building operations year-round.<\/p>\r\n<p>To learn more or schedule <a href=\"https:\/\/www.galmicheandsons.com\/commercial-hvac.html\">commercial HVAC service<\/a> or repair in St. Louis, contact our team today.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Why_Commercial_HVAC_Air_Filters_Matter\"><\/span>Why Commercial HVAC Air Filters Matter<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Air filters are the first line of defense in any HVAC system. Their primary job is to capture dust, dirt, pollen, debris, and airborne contaminants before they enter the system.<\/p>\r\n<p>Clean filters help:<\/p>\r\n<ul>\r\n<li>Maintain strong airflow<\/li>\r\n<li>Improve indoor air quality<\/li>\r\n<li>Protect internal HVAC components<\/li>\r\n<li>Support energy efficiency<\/li>\r\n<li>Reduce strain on the system<\/li>\r\n<\/ul>\r\n<p>When filters are neglected, these benefits quickly disappear, and system performance begins to decline.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"How_Dirty_Filters_Reduce_HVAC_Performance\"><\/span>How Dirty Filters Reduce HVAC Performance<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<h3><span class=\"ez-toc-section\" id=\"Restricted_Airflow_and_System_Strain\"><\/span>Restricted Airflow and System Strain<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>One of the most immediate effects of a dirty filter is restricted airflow. As debris builds up, the system must work harder to pull air through the filter.<\/p>\r\n<p>This leads to:<\/p>\r\n<ul>\r\n<li>Reduced heating and cooling performance<\/li>\r\n<li>Uneven temperatures throughout the building<\/li>\r\n<li>Increased wear on fans and motors<\/li>\r\n<li>Higher energy consumption<\/li>\r\n<\/ul>\r\n<p>Over time, this added strain can cause mechanical failures that require costly repairs.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Higher_Energy_Bills\"><\/span>Higher Energy Bills<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>When airflow is restricted, the system compensates by running longer cycles. This increased runtime results in higher utility bills.<\/p>\r\n<p>Businesses often notice:<\/p>\r\n<ul>\r\n<li>Rising monthly energy costs<\/li>\r\n<li>Longer operating cycles<\/li>\r\n<li>Reduced system efficiency<\/li>\r\n<\/ul>\r\n<p>For commercial properties with large HVAC systems, even a small drop in efficiency can translate into significant operating expenses.<\/p>\r\n<p>Interested in lowering utility bills? Learn more about <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/energy-efficient-commercial-hvac-systems\/\">energy-efficient commercial HVAC systems<\/a>.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Poor_Indoor_Air_Quality\"><\/span>Poor Indoor Air Quality<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Dirty filters cannot effectively capture airborne particles. As a result, contaminants circulate throughout the building.<\/p>\r\n<p>This can lead to:<\/p>\r\n<ul>\r\n<li>Increased dust accumulation<\/li>\r\n<li>Allergy and respiratory issues<\/li>\r\n<li>Unpleasant odors<\/li>\r\n<li>Reduced employee comfort<\/li>\r\n<\/ul>\r\n<p>For more information on maintaining healthy indoor environments, see our article on <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/commercial-indoor-air-quality-solutions-for-commercial-hvac-systems\/\">Commercial Indoor Air Quality Solutions for Commercial HVAC Systems<\/a>.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Increased_Equipment_Wear_and_Tear\"><\/span>Increased Equipment Wear and Tear<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>When airflow is blocked, system components must work harder than intended. This added strain affects key parts such as:<\/p>\r\n<ul>\r\n<li>Blower motors<\/li>\r\n<li>Evaporator coils<\/li>\r\n<li>Heat exchangers<\/li>\r\n<\/ul>\r\n<p>Over time, this can lead to premature system failure and expensive repairs.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Risk_of_System_Overheating_or_Freezing\"><\/span>Risk of System Overheating or Freezing<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>In extreme cases, restricted airflow can cause serious operational issues.<\/p>\r\n<p>In cooling mode, dirty filters can cause evaporator coils to freeze. In heating mode, the system may overheat due to poor ventilation.<\/p>\r\n<p>Both scenarios can result in emergency service calls and potential system shutdowns.<\/p>\r\n<p>Learn more about common <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/commercial-hvac-heating-problems\/\">commercial HVAC heating problems<\/a>.<\/p>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/dirty-commercial-hvac-air-filters-2-300x200.jpg\" alt=\"Problems with Dirty Commercial HVAC Air Filters\" width=\"300\" height=\"200\" class=\"alignright size-medium wp-image-20045\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/dirty-commercial-hvac-air-filters-2-300x200.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/dirty-commercial-hvac-air-filters-2.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><h2><span class=\"ez-toc-section\" id=\"Common_Causes_of_Dirty_Filters_in_Commercial_HVAC_Systems\"><\/span>Common Causes of Dirty Filters in Commercial HVAC Systems<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Several factors contribute to rapid filter buildup in commercial environments:<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"High_Occupancy_Levels\"><\/span>High Occupancy Levels<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Office buildings, retail spaces, and warehouses typically have more foot traffic, leading to increased dust and airborne particles.<\/p>\r\n<p>Learn more about unique challenges in <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/warehouse-and-industrial-commercial-hvac-systems\/\">warehouse and industrial commercial HVAC systems<\/a>.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Construction_or_Renovation_Work\"><\/span>Construction or Renovation Work<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Nearby construction or interior renovations can significantly increase airborne debris.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Infrequent_Maintenance\"><\/span>Infrequent Maintenance<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Without regular inspection and replacement, filters quickly become clogged and ineffective.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Poor_Filtration_Selection\"><\/span>Poor Filtration Selection<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Using the wrong type of filter for the system or environment can accelerate buildup and reduce efficiency.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"How_Often_Should_Commercial_HVAC_Air_Filters_Be_Replaced\"><\/span>How Often Should Commercial HVAC Air Filters Be Replaced?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Replacement frequency depends on system usage, environment, and filter type. In most commercial buildings, filters should be checked monthly and replaced every one to three months.<\/p>\r\n<p>However, facilities with heavy dust, high occupancy, or sensitive air quality requirements may require more frequent replacement.<\/p>\r\n<p>Routine maintenance programs are the most effective way to ensure filters are changed on schedule and systems remain efficient.<\/p>\r\n<p>Our Seasonal Commercial HVAC Maintenance Checklist for Business Owners provides additional guidance on preventive care practices.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"How_Galmiche_Sons_Helps_Protect_Your_HVAC_System\"><\/span>How Galmiche &#038; Sons Helps Protect Your HVAC System<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>At Galmiche &#038; Sons, we help St. Louis businesses maintain reliable and efficient HVAC systems through professional maintenance and inspection services. Our technicians ensure that filters, airflow, and system components are properly maintained to prevent costly breakdowns.<\/p>\r\n<p>Our services include:<\/p>\r\n<ul>\r\n<li>Commercial HVAC maintenance plans<\/li>\r\n<li>Air filter inspection and replacement<\/li>\r\n<li>System performance evaluations<\/li>\r\n<li>Indoor air quality improvements<\/li>\r\n<li>Preventive maintenance scheduling<\/li>\r\n<\/ul>\r\n<p>Regular service helps extend equipment life, reduce energy costs, and improve workplace comfort.<\/p>\r\n<hr>\r\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1780388335317\"><strong class=\"schema-faq-question\">How do I know if my commercial HVAC filter is dirty?<\/strong> <p class=\"schema-faq-answer\">Common signs include reduced airflow, higher energy bills, increased dust in the building, and uneven temperatures.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780388356306\"><strong class=\"schema-faq-question\">Can a dirty filter damage my HVAC system?<\/strong> <p class=\"schema-faq-answer\">Yes. Restricted airflow can strain components, reduce efficiency, and potentially lead to system failure over time.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780388364114\"><strong class=\"schema-faq-question\">How often should commercial HVAC filters be replaced?<\/strong> <p class=\"schema-faq-answer\">Most systems require replacement every one to three months, depending on usage and environmental conditions.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780388377265\"><strong class=\"schema-faq-question\">What type of filter is best for commercial HVAC systems?<\/strong> <p class=\"schema-faq-answer\">The best filter depends on system design and building needs. A professional technician can recommend the appropriate filter rating and type.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780388389961\"><strong class=\"schema-faq-question\">Can regular maintenance reduce filter-related problems?<\/strong> <p class=\"schema-faq-answer\">Yes. Routine maintenance ensures filters are replaced on schedule and helps maintain proper airflow and system performance. Learn more <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/commercial-hvac-for-office-buildings\/\">commercial HVAC best practices for office buildings<\/a>.<\/p> <\/div> <\/div>\r\n\r\n<hr>\r\n<h2><span class=\"ez-toc-section\" id=\"Protect_Your_System_with_Professional_Commercial_HVAC_Service_in_St_Louis\"><\/span>Protect Your System with Professional Commercial HVAC Service in St. Louis<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Dirty filters may seem like a small issue, but they can have a major impact on system performance, energy costs, and indoor air quality. Regular maintenance is the most effective way to prevent these problems and keep your system operating at its best.<\/p>\r\n<p>Galmiche &#038; Sons provides expert commercial HVAC services throughout the St. Louis area, helping businesses maintain efficient, reliable, and healthy indoor environments. Contact us today to schedule service or learn more about our maintenance solutions.<\/p>","protected":false},"excerpt":{"rendered":"<p>Commercial HVAC systems are designed to deliver consistent comfort, reliable airflow, and healthy indoor air quality for employees and customers. However, one of the simplest components in the system, the air filter, plays a major role in how well everything operates. When filters become dirty or clogged, they can significantly reduce system performance, increase energy costs, and shorten equipment lifespan. Understanding the importance of commercial HVAC air filters helps business owners in St. Louis protect their investment and maintain efficient &hellip; <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/dirty-commercial-hvac-air-filters\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">How Dirty Commercial HVAC Air Filters Affect Your HVAC System Performance<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":20044,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mbp_gutenberg_autopost":false,"footnotes":""},"categories":[21,6,38,3,2],"tags":[],"class_list":["post-20008","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-filter","category-commercial-hvac","category-heating-cooling-faqs","category-hvac-maintenance","category-hvac-tips"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Dirty Commercial HVAC Air Filters Affect Your HVAC System Performance | St. Louis HVAC Tips<\/title>\n<meta name=\"description\" content=\"Discover how dirty commercial HVAC air filters can harm system performance and increase costs. Learn to protect your investment and ensure comfort today!\" \/>\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\/dirty-commercial-hvac-air-filters\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Dirty Commercial HVAC Air Filters Affect Your HVAC System Performance | St. Louis HVAC Tips\" \/>\n<meta property=\"og:description\" content=\"Discover how dirty commercial HVAC air filters can harm system performance and increase costs. 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Learn more <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/commercial-hvac-for-office-buildings\/\">commercial HVAC best practices for office buildings<\/a>.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/posts\/20008","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/comments?post=20008"}],"version-history":[{"count":0,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/posts\/20008\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/media\/20044"}],"wp:attachment":[{"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/media?parent=20008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/categories?post=20008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/tags?post=20008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}