{"id":17929,"date":"2025-07-25T03:03:38","date_gmt":"2025-07-25T08:03:38","guid":{"rendered":"https:\/\/www.galmicheandsons.com\/hvac-blog\/?p=17929"},"modified":"2025-10-08T03:48:12","modified_gmt":"2025-10-08T08:48:12","slug":"professional-vs-diy-air-condtioner-maintenance","status":"publish","type":"post","link":"https:\/\/www.galmicheandsons.com\/hvac-blog\/professional-vs-diy-air-condtioner-maintenance\/","title":{"rendered":"Professional vs. DIY Air Conditioner Maintenance: What Can You Safely Do?"},"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\/professional-vs-diy-air-condtioner-maintenance\/#Why_Air_Conditioner_Maintenance_Matters\" >Why Air Conditioner Maintenance Matters<\/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\/professional-vs-diy-air-condtioner-maintenance\/#What_You_Can_Safely_Handle_Yourself\" >What You Can Safely Handle Yourself<\/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\/professional-vs-diy-air-condtioner-maintenance\/#1_Change_the_Air_Filter\" >1. Change the Air Filter<\/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\/professional-vs-diy-air-condtioner-maintenance\/#2_Clear_Debris_from_the_Outdoor_Unit\" >2. Clear Debris from the Outdoor Unit<\/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\/professional-vs-diy-air-condtioner-maintenance\/#3_Inspect_Vents_and_Registers\" >3. Inspect Vents and Registers<\/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\/professional-vs-diy-air-condtioner-maintenance\/#4_Check_the_Thermostat_Settings\" >4. Check the Thermostat Settings<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/professional-vs-diy-air-condtioner-maintenance\/#What_You_Should_Leave_to_the_Pros\" >What You Should Leave to the Pros<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/professional-vs-diy-air-condtioner-maintenance\/#1_Electrical_and_Refrigerant_Work\" >1. Electrical and Refrigerant Work<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/professional-vs-diy-air-condtioner-maintenance\/#2_Comprehensive_System_Inspection\" >2. Comprehensive System Inspection<\/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\/professional-vs-diy-air-condtioner-maintenance\/#3_Cleaning_Evaporator_and_Condenser_Coils\" >3. Cleaning Evaporator and Condenser Coils<\/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\/professional-vs-diy-air-condtioner-maintenance\/#4_Checking_Refrigerant_Levels_and_Airflow_Balance\" >4. Checking Refrigerant Levels and Airflow Balance<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/professional-vs-diy-air-condtioner-maintenance\/#FAQs_About_DIY_Air_Conditioner_Maintenance\" >FAQs About DIY Air Conditioner Maintenance<\/a><\/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\/professional-vs-diy-air-condtioner-maintenance\/#Let_the_Pros_at_Galmiche_Sons_Help\" >Let the Pros at Galmiche &#038; Sons Help<\/a><\/li><\/ul><\/nav><\/div>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/professional-vs-diy-air-condtioner-maintenance-1-300x200.jpg\" alt=\"Professional vs DIY Air Conditioner Maintenance\" width=\"300\" height=\"200\" class=\"alignright size-medium wp-image-17966\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/professional-vs-diy-air-condtioner-maintenance-1-300x200.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/professional-vs-diy-air-condtioner-maintenance-1.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p>When it comes to taking care of your air conditioner, routine maintenance is essential for keeping your system running efficiently and extending its life. But how much of that maintenance can you do yourself, and when should you call in a professional? Understanding the difference between safe DIY air conditioner maintenance and tasks that require a trained technician can help you avoid costly mistakes while ensuring your AC stays in top shape.<\/p>\r\n<p>At Galmiche &#038; Sons, we&#8217;ve been serving St. Louis homeowners since 1950 with reliable HVAC service and expert guidance. In this guide, we&#8217;ll help you understand what AC care tasks you can handle at home and when it&#8217;s best to rely on a professional.<\/p>\r\n<p>When you need to schedule <a href=\"https:\/\/www.galmicheandsons.com\/air-conditioner-servicing.html\">air conditioner servicing<\/a> with a professional, trust our experts. Call today or schedule online!<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Why_Air_Conditioner_Maintenance_Matters\"><\/span>Why Air Conditioner Maintenance Matters<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Whether it&#8217;s done by you or a licensed technician, regular air conditioner maintenance offers important benefits:<\/p>\r\n<ul>\r\n<li>Improved energy efficiency<\/li>\r\n<li>Longer equipment lifespan<\/li>\r\n<li>Fewer unexpected breakdowns<\/li>\r\n<li>Better indoor air quality<\/li>\r\n<li>Lower repair costs over time<\/li>\r\n<\/ul>\r\n<p>However, not all maintenance tasks are created equal. While there are some simple steps every homeowner can take, other parts of your system are delicate, dangerous, or require special tools and knowledge.<\/p>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/professional-vs-diy-air-condtioner-maintenance-2-300x200.jpg\" alt=\"FAQs About DIY Air Conditioner Maintenance\" width=\"300\" height=\"200\" class=\"alignright size-medium wp-image-17967\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/professional-vs-diy-air-condtioner-maintenance-2-300x200.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/professional-vs-diy-air-condtioner-maintenance-2.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><h2><span class=\"ez-toc-section\" id=\"What_You_Can_Safely_Handle_Yourself\"><\/span>What You Can Safely Handle Yourself<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Here are a few simple DIY air conditioner maintenance steps that are safe and helpful for homeowners in St. Louis:<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"1_Change_the_Air_Filter\"><\/span>1. Change the Air Filter<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>This is the easiest and most important task. A dirty air filter reduces airflow and efficiency. Check your filter every 30\u201360 days and replace it if it looks dirty or clogged.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"2_Clear_Debris_from_the_Outdoor_Unit\"><\/span>2. Clear Debris from the Outdoor Unit<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Leaves, grass, and debris can block airflow and put extra strain on your system. Use a garden hose (on a gentle spray setting) to rinse off the fins, and clear at least two feet of space around the unit.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"3_Inspect_Vents_and_Registers\"><\/span>3. Inspect Vents and Registers<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Make sure nothing is blocking your indoor vents. Keep them open and clear of furniture or curtains to maintain proper airflow.<\/p>\r\n<p>Learn more about <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/cleaning-air-vents-for-improved-ac-efficiency\/\">cleaning air vents for improved AC efficiency<\/a>.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"4_Check_the_Thermostat_Settings\"><\/span>4. Check the Thermostat Settings<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Make sure your thermostat is set to cooling mode and functioning properly. Upgrading to a programmable thermostat can improve efficiency and help you save on energy costs.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"What_You_Should_Leave_to_the_Pros\"><\/span>What You Should Leave to the Pros<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Some tasks go beyond what&#8217;s safe or practical for a homeowner to attempt. These require a licensed HVAC technician:<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"1_Electrical_and_Refrigerant_Work\"><\/span>1. Electrical and Refrigerant Work<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Handling refrigerant or working with electrical components is not only dangerous but also illegal without proper certification.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"2_Comprehensive_System_Inspection\"><\/span>2. Comprehensive System Inspection<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Professional maintenance includes checking voltage, lubricating moving parts, testing system controls, and ensuring safe operation. These tasks require training and diagnostic tools.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"3_Cleaning_Evaporator_and_Condenser_Coils\"><\/span>3. Cleaning Evaporator and Condenser Coils<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>While you can rinse the outdoor unit gently, deep cleaning of coils involves disassembly and chemical cleaners that should only be used by a trained professional.<\/p>\r\n<p>Learn more about <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/cleaning-ac-coils\/\">inspecting and cleaning AC coils<\/a>.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"4_Checking_Refrigerant_Levels_and_Airflow_Balance\"><\/span>4. Checking Refrigerant Levels and Airflow Balance<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>If your AC isn&#8217;t cooling properly, guessing at the cause can lead to more damage. A pro can accurately diagnose and fix issues without voiding your warranty.<\/p>\r\n<hr>\r\n<h2><span class=\"ez-toc-section\" id=\"FAQs_About_DIY_Air_Conditioner_Maintenance\"><\/span>FAQs About DIY Air Conditioner Maintenance<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-68e6254c88779\"><strong class=\"schema-faq-question\">Can I clean my own AC coils?<\/strong> <p class=\"schema-faq-answer\">You can lightly rinse the exterior of your outdoor coils, but deep cleaning should be done by a pro to avoid damage and ensure proper performance.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-68e6254c887a6\"><strong class=\"schema-faq-question\">How often should I change my filter?<\/strong> <p class=\"schema-faq-answer\">Most homes benefit from a filter change every 30\u201360 days. Homes with pets or allergies may need more frequent changes.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-68e6254c887bd\"><strong class=\"schema-faq-question\">Is it okay to spray my outdoor unit with a hose?<\/strong> <p class=\"schema-faq-answer\">Yes, using a gentle spray to remove dirt and leaves is safe. Just avoid using a pressure washer, as it can damage the fins.<\/p><\/div> <\/div>\n\r\n<hr>\r\n<h2><span class=\"ez-toc-section\" id=\"Let_the_Pros_at_Galmiche_Sons_Help\"><\/span>Let the Pros at Galmiche &#038; Sons Help<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>While DIY air conditioner maintenance can be a great way to keep your system clean and running smoothly between tune-ups, professional maintenance is still the key to long-term reliability and performance. Our expert <a href=\"https:\/\/www.galmicheandsons.com\/contact-galmiche.php\">heating and air conditioning<\/a> technicians serve homeowners across the St. Louis area with fast, friendly service and decades of experience.<\/p>\r\n<p>Contact Galmiche &#038; Sons today to learn more about our seasonal maintenance plans or to schedule an appointment for a full system check. We&#8217;re here to keep you cool and comfortable all year long.<\/p>","protected":false},"excerpt":{"rendered":"<p>When it comes to taking care of your air conditioner, routine maintenance is essential for keeping your system running efficiently and extending its life. But how much of that maintenance can you do yourself, and when should you call in a professional? Understanding the difference between safe DIY air conditioner maintenance and tasks that require a trained technician can help you avoid costly mistakes while ensuring your AC stays in top shape. At Galmiche &#038; Sons, we&#8217;ve been serving St. &hellip; <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/professional-vs-diy-air-condtioner-maintenance\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Professional vs. DIY Air Conditioner Maintenance: What Can You Safely Do?<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":17966,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mbp_gutenberg_autopost":false,"footnotes":""},"categories":[4,13,5,22,38],"tags":[],"class_list":["post-17929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-conditioner-maintenance","category-air-conditioner-tips","category-air-conditioners","category-diy-hvac-repair","category-heating-cooling-faqs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Professional vs. DIY Air Conditioner Maintenance | St. Louis HVAC Tips<\/title>\n<meta name=\"description\" content=\"Discover the balance between professional and DIY air conditioner maintenance. Learn what tasks you can safely handle and when to call the experts at Galmiche &amp; Sons!\" \/>\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\/professional-vs-diy-air-condtioner-maintenance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Professional vs. DIY Air Conditioner Maintenance | St. Louis HVAC Tips\" \/>\n<meta property=\"og:description\" content=\"Discover the balance between professional and DIY air conditioner maintenance. 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