{"id":20129,"date":"2026-06-17T11:52:46","date_gmt":"2026-06-17T16:52:46","guid":{"rendered":"https:\/\/www.galmicheandsons.com\/hvac-blog\/?p=20129"},"modified":"2026-06-17T11:53:24","modified_gmt":"2026-06-17T16:53:24","slug":"common-summer-hvac-problems","status":"publish","type":"post","link":"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/","title":{"rendered":"Common Summer HVAC Problems and How to Prevent Them"},"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\/common-summer-hvac-problems\/#Why_Summer_Is_Hard_on_Your_HVAC_System\" >Why Summer Is Hard on Your HVAC System<\/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\/common-summer-hvac-problems\/#Common_Summer_HVAC_Problems_Homeowners_Face\" >Common Summer HVAC Problems Homeowners Face<\/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\/common-summer-hvac-problems\/#Frozen_Evaporator_Coils\" >Frozen Evaporator Coils<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#Signs_of_Frozen_Coils\" >Signs of Frozen Coils<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#How_to_Prevent_Frozen_Coils\" >How to Prevent Frozen Coils<\/a><\/li><\/ul><\/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\/common-summer-hvac-problems\/#Clogged_Condensate_Drain_Lines\" >Clogged Condensate Drain Lines<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#Signs_of_a_Clogged_Drain_Line\" >Signs of a Clogged Drain Line<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#Prevention_Tips\" >Prevention Tips<\/a><\/li><\/ul><\/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\/common-summer-hvac-problems\/#Dirty_Air_Filters\" >Dirty Air Filters<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#Problems_Caused_by_Dirty_Filters\" >Problems Caused by Dirty Filters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#How_Often_Should_Filters_Be_Changed\" >How Often Should Filters Be Changed?<\/a><\/li><\/ul><\/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\/common-summer-hvac-problems\/#Refrigerant_Leaks\" >Refrigerant Leaks<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#Signs_of_Refrigerant_Problems\" >Signs of Refrigerant Problems<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#Overheating_HVAC_Systems\" >Overheating HVAC Systems<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#Causes_of_Overheating\" >Causes of Overheating<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#Preventative_Measures\" >Preventative Measures<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#The_Importance_of_Preventative_Maintenance\" >The Importance of Preventative Maintenance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#Warning_Signs_You_Should_Not_Ignore\" >Warning Signs You Should Not Ignore<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#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-20\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#Stay_Ahead_of_Summer_HVAC_Problems_with_Galmiche_Sons\" >Stay Ahead of Summer HVAC Problems with Galmiche &#038; Sons<\/a><\/li><\/ul><\/nav><\/div>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/common-summer-hvac-problems-2-300x200.jpg\" alt=\"Common Summer HVAC Problems and How to Prevent Them\" width=\"300\" height=\"200\" class=\"alignright size-medium wp-image-20167\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/common-summer-hvac-problems-2-300x200.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/common-summer-hvac-problems-2.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p>When summer temperatures arrive in the St. Louis area, your HVAC system works overtime to keep your home cool and comfortable. Unfortunately, the increased demand placed on air conditioners during periods of extreme heat can also expose underlying issues that may have gone unnoticed during milder weather.<\/p>\r\n<p>Understanding the most common summer HVAC problems and knowing how to prevent them can help you avoid inconvenient breakdowns, costly repairs, and uncomfortable days without air conditioning. At Galmiche &#038; Sons, we help St. Louis homeowners keep their systems running efficiently all season long through expert maintenance, timely repairs, and honest recommendations.<\/p>\r\n<p>Contact our team today for <a href=\"https:\/\/www.galmicheandsons.com\/air-conditioner-repair.html\">air conditioner repair services<\/a> or to learn more.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Why_Summer_Is_Hard_on_Your_HVAC_System\"><\/span>Why Summer Is Hard on Your HVAC System<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Missouri summers bring high temperatures and humidity that force cooling systems to run longer and work harder. This constant operation can accelerate wear and tear on components, especially if the system has not been properly maintained.<\/p>\r\n<p>Fortunately, many common summer HVAC problems can be prevented with routine care and prompt attention to warning signs.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Common_Summer_HVAC_Problems_Homeowners_Face\"><\/span>Common Summer HVAC Problems Homeowners Face<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<h3><span class=\"ez-toc-section\" id=\"Frozen_Evaporator_Coils\"><\/span>Frozen Evaporator Coils<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>One of the most surprising summer HVAC issues is a frozen evaporator coil.<\/p>\r\n<p>Despite the hot weather outside, restricted airflow or refrigerant problems can cause the indoor coil to become too cold and ice over.<\/p>\r\n<h4><span class=\"ez-toc-section\" id=\"Signs_of_Frozen_Coils\"><\/span>Signs of Frozen Coils<span class=\"ez-toc-section-end\"><\/span><\/h4>\r\n<ul>\r\n<li>Warm air coming from vents<\/li>\r\n<li>Reduced airflow<\/li>\r\n<li>Ice visible on refrigerant lines or the indoor unit<\/li>\r\n<li>Longer cooling cycles<\/li>\r\n<li>Increased indoor humidity<\/li>\r\n<\/ul>\r\n<h4><span class=\"ez-toc-section\" id=\"How_to_Prevent_Frozen_Coils\"><\/span>How to Prevent Frozen Coils<span class=\"ez-toc-section-end\"><\/span><\/h4>\r\n<ul>\r\n<li>Replace air filters regularly<\/li>\r\n<li>Keep supply and return vents unobstructed<\/li>\r\n<li>Schedule annual AC maintenance<\/li>\r\n<li>Address refrigerant issues promptly<\/li>\r\n<li>Avoid setting the thermostat excessively low<\/li>\r\n<\/ul>\r\n<h3><span class=\"ez-toc-section\" id=\"Clogged_Condensate_Drain_Lines\"><\/span>Clogged Condensate Drain Lines<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Your air conditioner removes moisture from the air as it cools your home. That moisture drains away through a condensate line.<\/p>\r\n<p>Over time, algae, dirt, and debris can clog the drain line, causing water backups.<\/p>\r\n<h4><span class=\"ez-toc-section\" id=\"Signs_of_a_Clogged_Drain_Line\"><\/span>Signs of a Clogged Drain Line<span class=\"ez-toc-section-end\"><\/span><\/h4>\r\n<ul>\r\n<li>Water pooling near the indoor unit<\/li>\r\n<li>Musty odors<\/li>\r\n<li>Increased indoor humidity<\/li>\r\n<li>System shutdowns triggered by safety switches<\/li>\r\n<li>Water stains near HVAC equipment<\/li>\r\n<\/ul>\r\n<p>Learn more about signs of a <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/signs-of-a-clogged-ac-drain-line\/\">clogged AC drain line<\/a>.<\/p>\r\n<h4><span class=\"ez-toc-section\" id=\"Prevention_Tips\"><\/span>Prevention Tips<span class=\"ez-toc-section-end\"><\/span><\/h4>\r\n<ul>\r\n<li>Schedule professional maintenance each spring<\/li>\r\n<li>Have drain lines inspected and cleaned<\/li>\r\n<li>Address drainage concerns immediately<\/li>\r\n<li>Replace dirty filters that contribute to buildup<\/li>\r\n<\/ul>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/common-summer-hvac-problems-3-300x200.jpg\" alt=\"Common Summer HVAC Problems\" width=\"300\" height=\"200\" class=\"alignright size-medium wp-image-20168\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/common-summer-hvac-problems-3-300x200.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2026\/06\/common-summer-hvac-problems-3.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><h3><span class=\"ez-toc-section\" id=\"Dirty_Air_Filters\"><\/span>Dirty Air Filters<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Among all common summer HVAC problems, dirty air filters are one of the easiest to prevent.<\/p>\r\n<p>Restricted airflow forces your system to work harder than necessary.<\/p>\r\n<h4><span class=\"ez-toc-section\" id=\"Problems_Caused_by_Dirty_Filters\"><\/span>Problems Caused by Dirty Filters<span class=\"ez-toc-section-end\"><\/span><\/h4>\r\n<ul>\r\n<li>Reduced airflow<\/li>\r\n<li>Higher energy bills<\/li>\r\n<li>Increased wear on components<\/li>\r\n<li>Frozen evaporator coils<\/li>\r\n<li>Poor indoor air quality<\/li>\r\n<li>Uneven cooling<\/li>\r\n<\/ul>\r\n<h4><span class=\"ez-toc-section\" id=\"How_Often_Should_Filters_Be_Changed\"><\/span>How Often Should Filters Be Changed?<span class=\"ez-toc-section-end\"><\/span><\/h4>\r\n<p>Most homeowners should inspect filters monthly and replace them every one to three months, depending on:<\/p>\r\n<ul>\r\n<li>Filter type<\/li>\r\n<li>Household occupancy<\/li>\r\n<li>Pets in the home<\/li>\r\n<li>Allergy concerns<\/li>\r\n<li>Overall system usage<\/li>\r\n<\/ul>\r\n<h3><span class=\"ez-toc-section\" id=\"Refrigerant_Leaks\"><\/span>Refrigerant Leaks<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Air conditioners rely on refrigerant to absorb and transfer heat.<\/p>\r\n<p>A refrigerant leak can significantly reduce cooling performance.<\/p>\r\n<h4><span class=\"ez-toc-section\" id=\"Signs_of_Refrigerant_Problems\"><\/span>Signs of Refrigerant Problems<span class=\"ez-toc-section-end\"><\/span><\/h4>\r\n<ul>\r\n<li>Warm air from vents<\/li>\r\n<li>Longer cooling cycles<\/li>\r\n<li>Ice buildup<\/li>\r\n<li>Hissing sounds<\/li>\r\n<li>Rising utility bills<\/li>\r\n<\/ul>\r\n<p>Because refrigerant systems require specialized equipment and certifications, these issues should always be handled by licensed HVAC professionals. Learn more about <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/air-conditioner-refrigerant-leak-repair\/\">air conditioner refrigerant leaks<\/a>.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Overheating_HVAC_Systems\"><\/span>Overheating HVAC Systems<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Extreme St. Louis temperatures can push aging or neglected systems beyond their limits.<\/p>\r\n<h4><span class=\"ez-toc-section\" id=\"Causes_of_Overheating\"><\/span>Causes of Overheating<span class=\"ez-toc-section-end\"><\/span><\/h4>\r\n<ul>\r\n<li>Dirty condenser coils<\/li>\r\n<li>Restricted airflow<\/li>\r\n<li>Electrical component failures<\/li>\r\n<li>Lack of maintenance<\/li>\r\n<li>Aging equipment<\/li>\r\n<\/ul>\r\n<p>An overheating system may shut down unexpectedly or struggle to maintain comfortable temperatures.<\/p>\r\n<h4><span class=\"ez-toc-section\" id=\"Preventative_Measures\"><\/span>Preventative Measures<span class=\"ez-toc-section-end\"><\/span><\/h4>\r\n<ul>\r\n<li>Schedule annual tune-ups<\/li>\r\n<li>Keep outdoor units clear of debris<\/li>\r\n<li>Trim vegetation around condensers<\/li>\r\n<li>Replace filters regularly<\/li>\r\n<li>Address unusual performance changes early<\/li>\r\n<\/ul>\r\n<h2><span class=\"ez-toc-section\" id=\"The_Importance_of_Preventative_Maintenance\"><\/span>The Importance of Preventative Maintenance<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Many common summer HVAC problems develop gradually and can often be identified before they lead to complete system failure.<\/p>\r\n<p>Routine maintenance helps homeowners:<\/p>\r\n<ul>\r\n<li>Improve system efficiency<\/li>\r\n<li>Lower utility bills<\/li>\r\n<li>Reduce breakdown risks<\/li>\r\n<li>Extend equipment lifespan<\/li>\r\n<li>Improve cooling performance<\/li>\r\n<li>Maintain warranty protection<\/li>\r\n<\/ul>\r\n<h2><span class=\"ez-toc-section\" id=\"Warning_Signs_You_Should_Not_Ignore\"><\/span>Warning Signs You Should Not Ignore<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Do not wait for your system to stop working completely before seeking help.<\/p>\r\n<p>Contact an HVAC professional if you notice:<\/p>\r\n<ul>\r\n<li>Unusual noises<\/li>\r\n<li>Reduced airflow<\/li>\r\n<li>Warm air from vents<\/li>\r\n<li>Frequent cycling<\/li>\r\n<li>Water leaks<\/li>\r\n<li>Unexplained increases in utility costs<\/li>\r\n<li>Hot and cold spots throughout your home<\/li>\r\n<\/ul>\r\n<p>Early intervention often results in less expensive repairs and fewer disruptions.<\/p>\r\n<p>Learn more about <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/signs-you-need-a-new-air-conditioner\/\">signs you need a new air conditioner<\/a> or repair.<\/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-1781679699915\"><strong class=\"schema-faq-question\">What are the most common summer HVAC problems?<\/strong> <p class=\"schema-faq-answer\">Frozen coils, clogged drain lines, dirty air filters, refrigerant leaks, and overheating systems are among the most frequent issues homeowners experience during summer.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1781679713761\"><strong class=\"schema-faq-question\">Can I prevent most AC breakdowns?<\/strong> <p class=\"schema-faq-answer\">Yes. Regular maintenance, timely filter changes, and addressing minor issues quickly can significantly reduce the risk of major failures.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1781679727327\"><strong class=\"schema-faq-question\">How often should I schedule HVAC maintenance?<\/strong> <p class=\"schema-faq-answer\">Most systems should receive professional service at least once per year, ideally during the spring before peak cooling season begins. Learn more about the <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/ac-tune-up-benefits\/\">benefits of scheduling an AC tune-up in spring<\/a>.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1781679783342\"><strong class=\"schema-faq-question\">Why does my AC freeze during hot weather?<\/strong> <p class=\"schema-faq-answer\">Frozen coils are often caused by restricted airflow, dirty filters, blocked vents, or refrigerant issues.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1781679799855\"><strong class=\"schema-faq-question\">When should I call an HVAC technician?<\/strong> <p class=\"schema-faq-answer\">If your system stops cooling properly, develops leaks, makes unusual noises, or shows signs of reduced performance, professional evaluation is recommended.<\/p> <\/div> <\/div>\r\n\r\n<hr>\r\n<h2><span class=\"ez-toc-section\" id=\"Stay_Ahead_of_Summer_HVAC_Problems_with_Galmiche_Sons\"><\/span>Stay Ahead of Summer HVAC Problems with Galmiche &#038; Sons<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>The best way to avoid common summer HVAC problems is to take a proactive approach to system care. Preventative maintenance and prompt repairs can help protect your comfort during even the hottest St. Louis summer days.<\/p>\r\n<p>Whether you need a seasonal tune-up, expert troubleshooting, or emergency AC repair, the experienced team at Galmiche &#038; Sons is here to help. Contact us today to learn more about our HVAC services or <a href=\"https:\/\/www.galmicheandsons.com\/service-request.php\">schedule an HVAC maintenance<\/a> appointment to keep your system operating at its best all summer long.<\/p>","protected":false},"excerpt":{"rendered":"<p>When summer temperatures arrive in the St. Louis area, your HVAC system works overtime to keep your home cool and comfortable. Unfortunately, the increased demand placed on air conditioners during periods of extreme heat can also expose underlying issues that may have gone unnoticed during milder weather. Understanding the most common summer HVAC problems and knowing how to prevent them can help you avoid inconvenient breakdowns, costly repairs, and uncomfortable days without air conditioning. At Galmiche &#038; Sons, we help &hellip; <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Common Summer HVAC Problems and How to Prevent Them<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":20167,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mbp_gutenberg_autopost":false,"footnotes":""},"categories":[4,15,13,42,5,38],"tags":[],"class_list":["post-20129","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-conditioner-maintenance","category-air-conditioner-repair","category-air-conditioner-tips","category-air-conditioner-troubleshooting","category-air-conditioners","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>Common Summer HVAC Problems and How to Prevent Them | St. Louis HVAC Tips<\/title>\n<meta name=\"description\" content=\"Common Summer HVAC Problems Can Disrupt Your Comfort: Discover expert maintenance and prevention tips to help your system run efficiently and keep your home cool throughout the season.\" \/>\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\/common-summer-hvac-problems\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Common Summer HVAC Problems and How to Prevent Them | St. Louis HVAC Tips\" \/>\n<meta property=\"og:description\" content=\"Common Summer HVAC Problems Can Disrupt Your Comfort: Discover expert maintenance and prevention tips to help your system run efficiently and keep your home cool throughout the season.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/\" \/>\n<meta property=\"og:site_name\" content=\"St. Louis HVAC Tips - Galmiche &amp; 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Learn more about the <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/ac-tune-up-benefits\/\">benefits of scheduling an AC tune-up in spring<\/a>.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#faq-question-1781679783342","position":4,"url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#faq-question-1781679783342","name":"Why does my AC freeze during hot weather?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Frozen coils are often caused by restricted airflow, dirty filters, blocked vents, or refrigerant issues.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#faq-question-1781679799855","position":5,"url":"https:\/\/www.galmicheandsons.com\/hvac-blog\/common-summer-hvac-problems\/#faq-question-1781679799855","name":"When should I call an HVAC technician?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"If your system stops cooling properly, develops leaks, makes unusual noises, or shows signs of reduced performance, professional evaluation is recommended.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/posts\/20129","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=20129"}],"version-history":[{"count":3,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/posts\/20129\/revisions"}],"predecessor-version":[{"id":20177,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/posts\/20129\/revisions\/20177"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/media\/20167"}],"wp:attachment":[{"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/media?parent=20129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/categories?post=20129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-json\/wp\/v2\/tags?post=20129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}