{"id":18039,"date":"2025-09-24T01:12:29","date_gmt":"2025-09-24T06:12:29","guid":{"rendered":"https:\/\/www.galmicheandsons.com\/hvac-blog\/?p=18039"},"modified":"2025-10-08T03:48:10","modified_gmt":"2025-10-08T08:48:10","slug":"air-conditioner-maintenance-for-old-units","status":"publish","type":"post","link":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/","title":{"rendered":"Air Conditioner Maintenance for Old Units: What&#8217;s Different?"},"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\/air-conditioner-maintenance-for-old-units\/#Why_Older_Air_Conditioners_Need_Specialized_Care\" >Why Older Air Conditioners Need Specialized Care<\/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\/air-conditioner-maintenance-for-old-units\/#Key_Differences_in_Maintenance_for_Old_AC_Units\" >Key Differences in Maintenance for Old AC Units<\/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\/air-conditioner-maintenance-for-old-units\/#1_More_Frequent_Inspections\" >1. More Frequent Inspections<\/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\/air-conditioner-maintenance-for-old-units\/#2_Detailed_Cleaning_and_Lubrication\" >2. Detailed Cleaning and Lubrication<\/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\/air-conditioner-maintenance-for-old-units\/#3_Performance_Monitoring\" >3. Performance Monitoring<\/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\/air-conditioner-maintenance-for-old-units\/#4_Part_Replacement_Strategies\" >4. Part Replacement Strategies<\/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\/air-conditioner-maintenance-for-old-units\/#5_Energy_Efficiency_Improvements\" >5. Energy Efficiency Improvements<\/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\/air-conditioner-maintenance-for-old-units\/#Local_Expertise_You_Can_Trust\" >Local Expertise You Can Trust<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#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-10\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#Extend_the_Life_of_Your_Old_Air_Conditioner_with_AC_Maintenance\" >Extend the Life of Your Old Air Conditioner with AC Maintenance<\/a><\/li><\/ul><\/nav><\/div>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-1-300x204.jpg\" alt=\"Air Conditioner Maintenance for Old Units: What's Different?\" width=\"300\" height=\"204\" class=\"alignright size-medium wp-image-18142\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-1-300x204.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-1.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p>When your air conditioner has been faithfully cooling your home for over a decade, proper care becomes more important than ever. While regular maintenance is essential for any system, older units require a more specialized approach. At Galmiche &#038; Sons, we have decades of experience providing air conditioner maintenance for old units in the St. Louis area, helping homeowners keep their systems running efficiently for as long as possible.<\/p>\r\n<p>To learn more about our <a href=\"https:\/\/www.galmicheandsons.com\/air-conditioner-servicing.html\">air conditioner servicing<\/a> or schedule maintenance for your AC system, contact our team today.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Why_Older_Air_Conditioners_Need_Specialized_Care\"><\/span>Why Older Air Conditioners Need Specialized Care<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>With age, air conditioners experience natural wear and tear. Parts begin to weaken, efficiency decreases, and breakdowns become more likely. However, with targeted maintenance, you can extend the life of your system and avoid unnecessary replacement costs.<\/p>\r\n<p>Some common challenges for aging units include:<\/p>\r\n<ul>\r\n<li><strong>Reduced efficiency<\/strong> that leads to higher energy bills.<\/li>\r\n<li><strong>Increased risk of breakdowns<\/strong> during peak summer heat.<\/li>\r\n<li><strong>Obsolete parts<\/strong> that can make repairs more difficult.<\/li>\r\n<li><strong>Refrigerant issues<\/strong> in systems that still use phased-out types like R-22.<\/li>\r\n<\/ul>\r\n<p>Our experienced technicians understand these challenges and adjust air conditioner maintenance plans for old units to address them directly.<\/p>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-2-300x204.jpg\" alt=\"Air Conditioner Maintenance for Old Units\" width=\"300\" height=\"204\" class=\"alignright size-medium wp-image-18143\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-2-300x204.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-2.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><h2><span class=\"ez-toc-section\" id=\"Key_Differences_in_Maintenance_for_Old_AC_Units\"><\/span>Key Differences in Maintenance for Old AC Units<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<h3><span class=\"ez-toc-section\" id=\"1_More_Frequent_Inspections\"><\/span>1. More Frequent Inspections<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Older systems benefit from more frequent professional inspections. We check for small issues that can quickly become major repairs if ignored. Catching worn belts, loose electrical connections, or refrigerant leaks early helps prevent emergencies.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"2_Detailed_Cleaning_and_Lubrication\"><\/span>2. Detailed Cleaning and Lubrication<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Dust, dirt, and debris can have a bigger impact on older parts. With our air conditioner maintenance for old units, we provide deep cleaning for coils, fans, and condensate lines. Moving parts are carefully lubricated to reduce strain on motors and bearings.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"3_Performance_Monitoring\"><\/span>3. Performance Monitoring<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>We run performance tests to ensure your system is cooling as it should. Monitoring airflow, refrigerant pressure, and temperature differentials can reveal hidden problems before they cause a breakdown.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"4_Part_Replacement_Strategies\"><\/span>4. Part Replacement Strategies<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>When dealing with older air conditioners, we focus on cost-effective part replacement that extends system life without unnecessary expenses. If a part is near the end of its life, we provide honest guidance on whether to repair or replace.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"5_Energy_Efficiency_Improvements\"><\/span>5. Energy Efficiency Improvements<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Small upgrades such as installing a programmable thermostat, sealing ducts, or improving insulation can help offset the natural efficiency loss in older systems. These are an important part of air conditioner maintenance for old units.<\/p>\r\n<p>Learn how <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-energy-savings\/\">air conditioner maintenance affects energy savings<\/a>.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Local_Expertise_You_Can_Trust\"><\/span>Local Expertise You Can Trust<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Here in St. Louis, we know the demands our hot and humid summers place on your air conditioning system. Our technicians are trained to work with a variety of older makes and models, providing tailored service that fits your needs and budget.<\/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\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-68e6254a1f1b2\"><strong class=\"schema-faq-question\">How often should I schedule maintenance for my older AC?<\/strong> <p class=\"schema-faq-answer\">We recommend at least one professional inspection and tune-up each year, preferably in the spring before peak cooling season. For units over 12 years old, a mid-season check-up may be beneficial.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-68e6254a1f1ef\"><strong class=\"schema-faq-question\">Is it worth repairing an old air conditioner?<\/strong> <p class=\"schema-faq-answer\">It depends on the repair cost, system condition, and efficiency. We provide honest recommendations based on your specific unit and cooling needs. Learn more about <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/central-air-conditioner-repair-vs-replacement\/\">air conditioner repair vs. replacement<\/a>.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-68e6254a1f205\"><strong class=\"schema-faq-question\">Will maintenance make my old AC more energy efficient?<\/strong> <p class=\"schema-faq-answer\">Yes. While it cannot restore the unit beyond its original efficiency, proper maintenance can reduce wasted energy and help the system run more effectively.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-68e6254a1f218\"><strong class=\"schema-faq-question\">What if my AC uses R-22 refrigerant?<\/strong> <p class=\"schema-faq-answer\">We can help you explore options, from retrofitting to replacement, since R-22 is no longer produced.<\/p><\/div> <\/div>\n\r\n<hr>\r\n<h2><span class=\"ez-toc-section\" id=\"Extend_the_Life_of_Your_Old_Air_Conditioner_with_AC_Maintenance\"><\/span>Extend the Life of Your Old Air Conditioner with AC Maintenance<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>An older air conditioner does not have to mean unreliable cooling. With the right maintenance plan, your system can continue to keep your home comfortable for years. At Galmiche &#038; Sons, we specialize in keeping St. Louis homeowners cool with expert care for both new and old systems.<\/p>\r\n<p>Call us today to schedule your air conditioner maintenance service or request an inspection. Let our team help you get the most out of your older unit while keeping your home comfortable all summer long.<\/p>","protected":false},"excerpt":{"rendered":"<p>When your air conditioner has been faithfully cooling your home for over a decade, proper care becomes more important than ever. While regular maintenance is essential for any system, older units require a more specialized approach. At Galmiche &#038; Sons, we have decades of experience providing air conditioner maintenance for old units in the St. Louis area, helping homeowners keep their systems running efficiently for as long as possible. To learn more about our air conditioner servicing or schedule maintenance &hellip; <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Air Conditioner Maintenance for Old Units: What&#8217;s Different?<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":18142,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mbp_gutenberg_autopost":false,"footnotes":""},"categories":[4,13,5,38],"tags":[],"class_list":["post-18039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-conditioner-maintenance","category-air-conditioner-tips","category-air-conditioners","category-heating-cooling-faqs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Air Conditioner Maintenance for Old Units | St. Louis HVAC Tips<\/title>\n<meta name=\"description\" content=\"Keep your old air conditioner running smoothly with expert maintenance from Galmiche &amp; Sons. Discover specialized care and AC maintenance tips for old units!\" \/>\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\/air-conditioner-maintenance-for-old-units\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Air Conditioner Maintenance for Old Units | St. Louis HVAC Tips\" \/>\n<meta property=\"og:description\" content=\"Keep your old air conditioner running smoothly with expert maintenance from Galmiche &amp; Sons. Discover specialized care and AC maintenance tips for old units!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/\" \/>\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=\"2025-09-24T06:12:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-08T08:48:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"408\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"4 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\\\/air-conditioner-maintenance-for-old-units\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/\"},\"author\":{\"name\":\"Steve Dulle\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#\\\/schema\\\/person\\\/b90d5d47a6f393d93d6459a9aa8b2fe1\"},\"headline\":\"Air Conditioner Maintenance for Old Units: What&#8217;s Different?\",\"datePublished\":\"2025-09-24T06:12:29+00:00\",\"dateModified\":\"2025-10-08T08:48:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/\"},\"wordCount\":688,\"publisher\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/air-conditioner-maintenance-for-old-units-1.jpg\",\"articleSection\":[\"Air Conditioner Maintenance\",\"Air Conditioner Tips\",\"Air Conditioners\",\"Heating &amp; Cooling FAQs\"],\"inLanguage\":\"en-US\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/\",\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/\",\"name\":\"Air Conditioner Maintenance for Old Units | St. Louis HVAC Tips\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/air-conditioner-maintenance-for-old-units-1.jpg\",\"datePublished\":\"2025-09-24T06:12:29+00:00\",\"dateModified\":\"2025-10-08T08:48:10+00:00\",\"description\":\"Keep your old air conditioner running smoothly with expert maintenance from Galmiche & Sons. Discover specialized care and AC maintenance tips for old units!\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#breadcrumb\"},\"mainEntity\":[{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f1b2\"},{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f1ef\"},{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f205\"},{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f218\"}],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/air-conditioner-maintenance-for-old-units-1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/air-conditioner-maintenance-for-old-units-1.jpg\",\"width\":600,\"height\":408,\"caption\":\"Air Conditioner Maintenance for Old Units: What's Different?\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"HVAC Tips\",\"item\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"HVAC Maintenance\",\"item\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/category\\\/hvac-maintenance\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Air Conditioner Maintenance\",\"item\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/category\\\/hvac-maintenance\\\/air-conditioner-maintenance\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Air Conditioner Maintenance for Old Units: What&#8217;s Different?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#website\",\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/\",\"name\":\"St. Louis HVAC Tips - Galmiche & Sons\",\"description\":\"For Heating and Cooling services in St. Louis, contact Galmiche &amp; Sons, your St. Louis commercial and residential HVAC installation, maintenance, and repair experts.\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#organization\",\"name\":\"Galmiche & Sons Heating & Cooling\",\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/wp-content\\\/uploads\\\/organization-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/wp-content\\\/uploads\\\/organization-logo.png\",\"width\":\"696\",\"height\":\"696\",\"caption\":\"Galmiche & Sons Heating & Cooling\"},\"image\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/GalmicheAndSons\\\/\",\"https:\\\/\\\/x.com\\\/GalmicheAndSon\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#\\\/schema\\\/person\\\/b90d5d47a6f393d93d6459a9aa8b2fe1\",\"name\":\"Steve Dulle\",\"sameAs\":[\"https:\\\/\\\/www.silverscopedesign.com\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/stevedulle\\\/\"]},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f1b2\",\"position\":1,\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f1b2\",\"name\":\"How often should I schedule maintenance for my older AC?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"We recommend at least one professional inspection and tune-up each year, preferably in the spring before peak cooling season. For units over 12 years old, a mid-season check-up may be beneficial.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f1ef\",\"position\":2,\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f1ef\",\"name\":\"Is it worth repairing an old air conditioner?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It depends on the repair cost, system condition, and efficiency. We provide honest recommendations based on your specific unit and cooling needs. Learn more about <a href='https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/central-air-conditioner-repair-vs-replacement\\\/'>air conditioner repair vs. replacement<\\\/a>.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f205\",\"position\":3,\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f205\",\"name\":\"Will maintenance make my old AC more energy efficient?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. While it cannot restore the unit beyond its original efficiency, proper maintenance can reduce wasted energy and help the system run more effectively.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f218\",\"position\":4,\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/air-conditioner-maintenance-for-old-units\\\/#faq-question-68e6254a1f218\",\"name\":\"What if my AC uses R-22 refrigerant?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"We can help you explore options, from retrofitting to replacement, since R-22 is no longer produced.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Air Conditioner Maintenance for Old Units | St. Louis HVAC Tips","description":"Keep your old air conditioner running smoothly with expert maintenance from Galmiche & Sons. Discover specialized care and AC maintenance tips for old units!","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/","og_locale":"en_US","og_type":"article","og_title":"Air Conditioner Maintenance for Old Units | St. Louis HVAC Tips","og_description":"Keep your old air conditioner running smoothly with expert maintenance from Galmiche & Sons. Discover specialized care and AC maintenance tips for old units!","og_url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/","og_site_name":"St. Louis HVAC Tips - Galmiche &amp; Sons","article_publisher":"https:\/\/www.facebook.com\/GalmicheAndSons\/","article_published_time":"2025-09-24T06:12:29+00:00","article_modified_time":"2025-10-08T08:48:10+00:00","og_image":[{"width":600,"height":408,"url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-1.jpg","type":"image\/jpeg"}],"author":"Steve Dulle","twitter_card":"summary_large_image","twitter_creator":"@GalmicheAndSon","twitter_site":"@GalmicheAndSon","twitter_misc":{"Written by":"Steve Dulle","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#article","isPartOf":{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/"},"author":{"name":"Steve Dulle","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/#\/schema\/person\/b90d5d47a6f393d93d6459a9aa8b2fe1"},"headline":"Air Conditioner Maintenance for Old Units: What&#8217;s Different?","datePublished":"2025-09-24T06:12:29+00:00","dateModified":"2025-10-08T08:48:10+00:00","mainEntityOfPage":{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/"},"wordCount":688,"publisher":{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/#organization"},"image":{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#primaryimage"},"thumbnailUrl":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-1.jpg","articleSection":["Air Conditioner Maintenance","Air Conditioner Tips","Air Conditioners","Heating &amp; Cooling FAQs"],"inLanguage":"en-US"},{"@type":["WebPage","FAQPage"],"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/","url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/","name":"Air Conditioner Maintenance for Old Units | St. Louis HVAC Tips","isPartOf":{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#primaryimage"},"image":{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#primaryimage"},"thumbnailUrl":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-1.jpg","datePublished":"2025-09-24T06:12:29+00:00","dateModified":"2025-10-08T08:48:10+00:00","description":"Keep your old air conditioner running smoothly with expert maintenance from Galmiche & Sons. Discover specialized care and AC maintenance tips for old units!","breadcrumb":{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#breadcrumb"},"mainEntity":[{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f1b2"},{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f1ef"},{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f205"},{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f218"}],"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#primaryimage","url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-1.jpg","contentUrl":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/air-conditioner-maintenance-for-old-units-1.jpg","width":600,"height":408,"caption":"Air Conditioner Maintenance for Old Units: What's Different?"},{"@type":"BreadcrumbList","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"HVAC Tips","item":"https:\/\/www.galmicheandsons.com\/hvac-blog\/"},{"@type":"ListItem","position":2,"name":"HVAC Maintenance","item":"https:\/\/www.galmicheandsons.com\/hvac-blog\/category\/hvac-maintenance\/"},{"@type":"ListItem","position":3,"name":"Air Conditioner Maintenance","item":"https:\/\/www.galmicheandsons.com\/hvac-blog\/category\/hvac-maintenance\/air-conditioner-maintenance\/"},{"@type":"ListItem","position":4,"name":"Air Conditioner Maintenance for Old Units: What&#8217;s Different?"}]},{"@type":"WebSite","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/#website","url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/","name":"St. Louis HVAC Tips - Galmiche & Sons","description":"For Heating and Cooling services in St. Louis, contact Galmiche &amp; Sons, your St. Louis commercial and residential HVAC installation, maintenance, and repair experts.","publisher":{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.galmicheandsons.com\/hvac-blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/#organization","name":"Galmiche & Sons Heating & Cooling","url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/organization-logo.png","contentUrl":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/organization-logo.png","width":"696","height":"696","caption":"Galmiche & Sons Heating & Cooling"},"image":{"@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/GalmicheAndSons\/","https:\/\/x.com\/GalmicheAndSon"]},{"@type":"Person","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/#\/schema\/person\/b90d5d47a6f393d93d6459a9aa8b2fe1","name":"Steve Dulle","sameAs":["https:\/\/www.silverscopedesign.com\/","https:\/\/www.linkedin.com\/in\/stevedulle\/"]},{"@type":"Question","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f1b2","position":1,"url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f1b2","name":"How often should I schedule maintenance for my older AC?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"We recommend at least one professional inspection and tune-up each year, preferably in the spring before peak cooling season. For units over 12 years old, a mid-season check-up may be beneficial.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f1ef","position":2,"url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f1ef","name":"Is it worth repairing an old air conditioner?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"It depends on the repair cost, system condition, and efficiency. We provide honest recommendations based on your specific unit and cooling needs. Learn more about <a href='https:\/\/www.galmicheandsons.com\/hvac-blog\/central-air-conditioner-repair-vs-replacement\/'>air conditioner repair vs. replacement<\/a>.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f205","position":3,"url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f205","name":"Will maintenance make my old AC more energy efficient?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. While it cannot restore the unit beyond its original efficiency, proper maintenance can reduce wasted energy and help the system run more effectively.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f218","position":4,"url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-maintenance-for-old-units\/#faq-question-68e6254a1f218","name":"What if my AC uses R-22 refrigerant?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"We can help you explore options, from retrofitting to replacement, since R-22 is no longer produced.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/posts\/18039","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=18039"}],"version-history":[{"count":0,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/posts\/18039\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/media\/18142"}],"wp:attachment":[{"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/media?parent=18039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/categories?post=18039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/tags?post=18039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}