{"id":18220,"date":"2025-09-25T02:05:55","date_gmt":"2025-09-25T07:05:55","guid":{"rendered":"https:\/\/www.galmicheandsons.com\/hvac-blog\/?p=18220"},"modified":"2025-10-08T03:48:03","modified_gmt":"2025-10-08T08:48:03","slug":"furnace-maintenance-mistakes","status":"publish","type":"post","link":"https:\/\/www.galmicheandsons.com\/hvac-blog\/furnace-maintenance-mistakes\/","title":{"rendered":"Top Furnace Maintenance Mistakes Homeowners Make"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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\/furnace-maintenance-mistakes\/#Common_Furnace_Maintenance_Mistakes_How_You_Can_Avoid_Them\" >Common Furnace Maintenance Mistakes &#038; How You Can Avoid Them<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/furnace-maintenance-mistakes\/#_Skipping_Regular_Filter_Changes\" >\u00a0Skipping Regular Filter Changes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/furnace-maintenance-mistakes\/#Ignoring_Annual_Professional_Tune-Ups\" >Ignoring Annual Professional Tune-Ups<\/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\/furnace-maintenance-mistakes\/#Closing_Too_Many_Vents\" >Closing Too Many Vents<\/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\/furnace-maintenance-mistakes\/#Neglecting_the_Thermostat\" >Neglecting the Thermostat<\/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\/furnace-maintenance-mistakes\/#Forgetting_About_Ductwork\" >Forgetting About Ductwork<\/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\/furnace-maintenance-mistakes\/#Delaying_Repairs\" >Delaying Repairs<\/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\/furnace-maintenance-mistakes\/#FAQs_About_Furnace_Maintenance_Mistakes\" >FAQs About Furnace Maintenance Mistakes<\/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\/furnace-maintenance-mistakes\/#Take_Control_of_Your_Furnace_Maintenance_Today\" >Take Control of Your Furnace Maintenance Today<\/a><\/li><\/ul><\/nav><\/div>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/furnace-maintenance-mistakes-1-300x225.jpg\" alt=\"Top Furnace Maintenance Mistakes Homeowners Make\" width=\"300\" height=\"225\" class=\"alignright size-medium wp-image-18257\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/furnace-maintenance-mistakes-1-300x225.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/furnace-maintenance-mistakes-1.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p>Keeping your furnace in top condition is essential for surviving the cold St. Louis winters. Unfortunately, many homeowners unknowingly make furnace maintenance mistakes that can lead to higher energy bills, unexpected breakdowns, and shortened equipment life. At Galmiche &#038; Sons, we have seen it all. The good news is that most of these mistakes are easily avoidable with a little knowledge and the right professional care.<\/p>\r\n<p>To learn more and schedule professional <a href=\"https:\/\/www.galmicheandsons.com\/furnace-maintenance.html\">furnace maintenance<\/a> to keep your system running in peak condition, call or contact us online today.<\/p>\r\n<h2><span class=\"ez-toc-section\" id=\"Common_Furnace_Maintenance_Mistakes_How_You_Can_Avoid_Them\"><\/span>Common Furnace Maintenance Mistakes &#038; How You Can Avoid Them<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<h3><span class=\"ez-toc-section\" id=\"_Skipping_Regular_Filter_Changes\"><\/span>\u00a0Skipping Regular Filter Changes<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>One of the most common furnace maintenance mistakes is forgetting to change the air filter. Dirty filters restrict airflow, forcing the furnace to work harder and use more energy. This not only drives up your utility bills but can also cause components to overheat and fail prematurely. In St. Louis homes with pets or allergy concerns, filters often need to be changed more frequently than the standard 90 days.<\/p>\r\n<p><strong>Solution:<\/strong> Mark your calendar or set reminders to replace filters on time, and consider high-quality filters for better indoor air quality.<\/p>\r\n<p><strong>Learn more about <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/furnace-maintenance-for-pet-owners\/\">furnace maintenance for pet owners<\/a>.<\/strong><\/p>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/furnace-maintenance-mistakes-2-300x200.jpg\" alt=\"Top Furnace Maintenance Mistakes\" width=\"300\" height=\"200\" class=\"alignright size-medium wp-image-18258\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/furnace-maintenance-mistakes-2-300x200.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/furnace-maintenance-mistakes-2.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><h3><span class=\"ez-toc-section\" id=\"Ignoring_Annual_Professional_Tune-Ups\"><\/span>Ignoring Annual Professional Tune-Ups<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Many homeowners skip their yearly tune-up because the furnace &ldquo;seems fine.&rdquo; Unfortunately, this is one of the costliest furnace maintenance mistakes. Small issues left unchecked can escalate into major repairs or even total system failure.<\/p>\r\n<p><strong>Solution:<\/strong> Schedule an annual furnace inspection with Galmiche &#038; Sons. Our technicians catch minor problems early, ensuring your system runs safely and efficiently throughout the winter.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Closing_Too_Many_Vents\"><\/span>Closing Too Many Vents<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>It may seem logical to close vents in unused rooms to save energy, but this can actually cause pressure imbalances that strain your system. In extreme cases, it can even damage your ductwork or blower motor.<\/p>\r\n<p><strong>Solution:<\/strong> Keep most vents open and unobstructed to maintain proper airflow and system balance.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Neglecting_the_Thermostat\"><\/span>Neglecting the Thermostat<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>An outdated or miscalibrated thermostat can waste energy and put unnecessary stress on your furnace. Failing to upgrade to a programmable or smart thermostat is another common oversight.<\/p>\r\n<p><strong>Solution:<\/strong> Have your thermostat inspected during maintenance visits and consider upgrading to a smart thermostat for better comfort control and savings.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Forgetting_About_Ductwork\"><\/span>Forgetting About Ductwork<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Homeowners often overlook the ducts that carry warm air throughout the house. Leaks, dust buildup, or blockages can significantly reduce efficiency and air quality.<\/p>\r\n<p><strong>Solution:<\/strong> Have your ductwork inspected and sealed as part of routine maintenance. This step improves airflow, lowers costs, and enhances indoor comfort.<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"Delaying_Repairs\"><\/span>Delaying Repairs<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<p>Another costly mistake is ignoring warning signs such as strange noises, inconsistent heating, or rising utility bills. Delaying repairs almost always results in bigger, more expensive problems later.<\/p>\r\n<p><strong>Solution:<\/strong> Contact Galmiche &#038; Sons at the first sign of trouble. Quick action helps prevent full system breakdowns.<\/p>\r\n<p><strong>Learn the <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/signs-your-furnace-needs-maintenance-before-it-fails\/\">signs your furnace needs maintenance<\/a>.<\/strong><\/p>\r\n<hr>\r\n<h2><span class=\"ez-toc-section\" id=\"FAQs_About_Furnace_Maintenance_Mistakes\"><\/span>FAQs About Furnace Maintenance Mistakes<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-68e62543dc619\"><strong class=\"schema-faq-question\">How often should I really change my furnace filter?<\/strong> <p class=\"schema-faq-answer\">Every 1-3 months, depending on household size, pets, and air quality concerns.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-68e62543dc65a\"><strong class=\"schema-faq-question\">Can I do furnace maintenance myself?<\/strong> <p class=\"schema-faq-answer\">You can replace filters and keep vents clear, but professional inspections are critical to safety and efficiency. Learn more about <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/professional-vs-diy-furnace-maintenance\/\">professional vs. DIY furnace maintenance<\/a>.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-68e62543dc689\"><strong class=\"schema-faq-question\">Is a maintenance plan worth it?<\/strong> <p class=\"schema-faq-answer\">Yes. A plan ensures you never miss important tune-ups, provides reminders, and often includes discounts on repairs. Learn more about <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/furnace-maintenance-plans\/\">benefits of furnace maintenance plans<\/a>.<\/p><\/div> <\/div>\n\r\n<hr>\r\n<h2><span class=\"ez-toc-section\" id=\"Take_Control_of_Your_Furnace_Maintenance_Today\"><\/span>Take Control of Your Furnace Maintenance Today<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p>Avoiding common furnace maintenance mistakes is the key to saving money, improving comfort, and extending your system&#8217;s life. The experts at Galmiche &#038; Sons have been helping St. Louis homeowners with reliable HVAC care for over 75 years. Our trusted team is ready to keep your furnace running smoothly so you can focus on enjoying a warm, comfortable home.<\/p>\r\n<p>Call Galmiche &#038; Sons today to schedule your furnace maintenance or ask about our maintenance plans. Let us help you prevent costly mistakes and enjoy peace of mind all winter long.<\/p>","protected":false},"excerpt":{"rendered":"<p>Keeping your furnace in top condition is essential for surviving the cold St. Louis winters. Unfortunately, many homeowners unknowingly make furnace maintenance mistakes that can lead to higher energy bills, unexpected breakdowns, and shortened equipment life. At Galmiche &#038; Sons, we have seen it all. The good news is that most of these mistakes are easily avoidable with a little knowledge and the right professional care. To learn more and schedule professional furnace maintenance to keep your system running in &hellip; <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/furnace-maintenance-mistakes\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Top Furnace Maintenance Mistakes Homeowners Make<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":18257,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mbp_gutenberg_autopost":false,"footnotes":""},"categories":[32,12,27,11,2],"tags":[],"class_list":["post-18220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diy-hvac-tips","category-furnace-maintenance","category-furnace-tips","category-furnaces","category-hvac-tips"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Top Furnace Maintenance Mistakes Homeowners Make | St. Louis HVAC Tips<\/title>\n<meta name=\"description\" content=\"Discover the top furnace maintenance mistakes homeowners make and learn how to avoid them. Keep your furnace running efficiently this winter with expert tips!\" \/>\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\/furnace-maintenance-mistakes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Top Furnace Maintenance Mistakes Homeowners Make | St. Louis HVAC Tips\" \/>\n<meta property=\"og:description\" content=\"Discover the top furnace maintenance mistakes homeowners make and learn how to avoid them. Keep your furnace running efficiently this winter with expert tips!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/furnace-maintenance-mistakes\/\" \/>\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=\"2025-09-25T07:05:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-08T08:48:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/2025\/09\/furnace-maintenance-mistakes-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"450\" \/>\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\\\/furnace-maintenance-mistakes\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/furnace-maintenance-mistakes\\\/\"},\"author\":{\"name\":\"Steve Dulle\",\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#\\\/schema\\\/person\\\/b90d5d47a6f393d93d6459a9aa8b2fe1\"},\"headline\":\"Top Furnace Maintenance Mistakes Homeowners Make\",\"datePublished\":\"2025-09-25T07:05:55+00:00\",\"dateModified\":\"2025-10-08T08:48:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/furnace-maintenance-mistakes\\\/\"},\"wordCount\":661,\"publisher\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/furnace-maintenance-mistakes\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/furnace-maintenance-mistakes-1.jpg\",\"articleSection\":[\"DIY HVAC Tips\",\"Furnace Maintenance\",\"Furnace Tips\",\"Furnaces\",\"HVAC Tips\"],\"inLanguage\":\"en-US\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/furnace-maintenance-mistakes\\\/\",\"url\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/furnace-maintenance-mistakes\\\/\",\"name\":\"Top Furnace Maintenance Mistakes Homeowners Make | St. Louis HVAC Tips\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/furnace-maintenance-mistakes\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/furnace-maintenance-mistakes\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.galmicheandsons.com\\\/hvac-blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/furnace-maintenance-mistakes-1.jpg\",\"datePublished\":\"2025-09-25T07:05:55+00:00\",\"dateModified\":\"2025-10-08T08:48:03+00:00\",\"description\":\"Discover the top furnace maintenance mistakes homeowners make and learn how to avoid them. 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