{"id":10014,"date":"2021-10-20T02:02:56","date_gmt":"2021-10-20T07:02:56","guid":{"rendered":"https:\/\/www.galmicheandsons.com\/hvac-blog\/?p=10014"},"modified":"2024-08-16T14:11:48","modified_gmt":"2024-08-16T19:11:48","slug":"hvac-smells-and-sounds","status":"publish","type":"post","link":"https:\/\/www.galmicheandsons.com\/hvac-blog\/hvac-smells-and-sounds\/","title":{"rendered":"HVAC Smells &amp; Sounds: What Do They Mean?"},"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\/hvac-smells-and-sounds\/#HVAC_Sounds_to_Watch_Out_For\" >HVAC Sounds to Watch Out For<\/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\/hvac-smells-and-sounds\/#HVAC_Smells_to_Be_Aware_Of\" >HVAC Smells to Be Aware Of<\/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\/hvac-smells-and-sounds\/#Hire_the_Experts_to_Fix_Your_HVAC_Smells_and_Sounds\" >Hire the Experts to Fix Your HVAC Smells and Sounds<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/hvac-smells-and-sounds-1-300x200.jpg\" alt=\"HVAC Smells &amp; Sounds\" width=\"300\" height=\"200\" class=\"alignleft size-medium wp-image-10038\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/hvac-smells-and-sounds-1-300x200.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/hvac-smells-and-sounds-1.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Your heating and air conditioning system runs almost all year long. Particularly in St. Louis, where the summers are sweltering and winters equally harsh, the HVAC system has to be on the job all the time. It undergoes a lot of wear and tear and requires regular maintenance to ensure that it runs efficiently for longer. Over time, you may notice certain changes in the smells and sounds coming from your HVAC systems. HVAC smells and sounds tell a lot about the system&rsquo;s health, and each of these could be an indicator of an underlying issue. Tending to these signs in time could save you a major overhaul in the future.<\/p>\n<p>To figure out what your HVAC smells and sounds could mean and to get the problems fixed contact a reliable <a href=\"https:\/\/www.galmicheandsons.com\/\">heating and air conditioning<\/a> contractor. In St. Louis, call us at <span class=\"mobile_tel\"><span class=\"mobile_tel\">314-993-1110<\/span><\/span>.<\/p>\n<div class=\"clear\"><\/div>\n<h2><span class=\"ez-toc-section\" id=\"HVAC_Sounds_to_Watch_Out_For\"><\/span>HVAC Sounds to Watch Out For<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/hvac-smells-and-sounds-2-300x200.jpg\" alt=\"HVAC Smells &amp; Sounds to Watch For\" width=\"300\" height=\"200\" class=\"alignright size-medium wp-image-10035\" srcset=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/hvac-smells-and-sounds-2-300x200.jpg 300w, https:\/\/www.galmicheandsons.com\/hvac-blog\/wp-content\/uploads\/hvac-smells-and-sounds-2.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>HVAC sounds mostly come from the moving parts of the system. Given the fact that there are very few moving parts in an HVAC unit, it should be relatively easy to identify the source. Let&rsquo;s look at some common HVAC sounds first.<\/p>\n<ul>\n<li><strong>Squeaking<\/strong>: A squeaking sound from HVAC systems that are a few years old is quite common. This sound most likely comes from the blower motor. This may be heard when the motor runs after a long period of being unused. But if it is heard even after running for some time, it could mean some part of the motor has worn out or need lubrication.<\/li>\n<li><strong>Clunking<\/strong>: A clunking noise, like something is bumping on a surface, could be coming from the blower as well. This could be because of a broken fan belt hitting against something. Have an <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/ask-an-hvac-technician\/\">HVAC technician<\/a> take a look at the blower if this sound persists.<\/li>\n<li><strong>Hissing<\/strong>: If you hear a hissing sound somewhere inside the HVAC unit, it could indicate a gas leak or air leakage from the ducts. Have your ductwork and internal piping of the HVAC unit checked to detect the source of the hissing noise.<\/li>\n<\/ul>\n<p>Some HVAC sounds are harmless though. For instance, a popping sound now and then is quite common. This is caused by the metal expanding and contracting with heat. Many HVAC units also produce a humming noise from the furnace, which is also normal.<\/p>\n<p>If you feel there is something unfamiliar with the way your HVAC unit sounds, contact an HVAC repair service immediately.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"HVAC_Smells_to_Be_Aware_Of\"><\/span>HVAC Smells to Be Aware Of<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>HVAC smells are equally effective indicators of a fault. Here are some HVAC smells to look out for.<\/p>\n<ul>\n<li><strong>Burning smell<\/strong>: This is one HVAC smell you should not neglect. If you get a burning smell from your HVAC unit, it is best to call an HVAC contractor immediately. Though it could just be a dirty burner or an overheated furnace that is giving off the burning smell, it could also mean bigger problems like faulty wiring which is a huge risk.<\/li>\n<li><strong>Musty smell<\/strong>: A musty smell from your air conditioner is caused by a dirty air filter or ductwork. The air filter and ductwork can collect moisture over time, resulting in the formation of mold or fungus in these parts. This gives off a very damp, musty smell. Change your air filter and get your ductwork cleaned by professional HVAC contractors if you encounter this problem.<\/li>\n<li><strong>Exhaust fumes<\/strong>: If your HVAC unit smells of exhaust fumes, it could be because of excessive natural gas emissions from the furnace. This is a toxic gas and exposure to this for prolonged periods is a hazard. Get your system checked by professionals immediately.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Hire_the_Experts_to_Fix_Your_HVAC_Smells_and_Sounds\"><\/span>Hire the Experts to Fix Your HVAC Smells and Sounds<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If you are unable to detect where the HVAC smells and sounds are coming from, get help from an expert HVAC contractor. Galmiche &amp; Sons can help you with all your HVAC maintenance and repairs in St. Louis. Contact our  <a href=\"https:\/\/www.galmicheandsons.com\/contact-galmiche.php\">heating and air conditioning<\/a> experts today to schedule your appointment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Your heating and air conditioning system runs almost all year long. Particularly in St. Louis, where the summers are sweltering and winters equally harsh, the HVAC system has to be on the job all the time. It undergoes a lot of wear and tear and requires regular maintenance to ensure that it runs efficiently for longer. Over time, you may notice certain changes in the smells and sounds coming from your HVAC systems. HVAC smells and sounds tell a lot &hellip; <a href=\"https:\/\/www.galmicheandsons.com\/hvac-blog\/hvac-smells-and-sounds\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">HVAC Smells &amp; Sounds: What Do They Mean?<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":10038,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mbp_gutenberg_autopost":false,"footnotes":""},"categories":[42,22,37,17,2],"tags":[],"class_list":["post-10014","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-conditioner-troubleshooting","category-diy-hvac-repair","category-furnace-troubleshooting","category-hvac-system","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>HVAC Smells &amp; Sounds: What Do They Mean | St. Louis HVAC Tips<\/title>\n<meta name=\"description\" content=\"Some HVAC Smells &amp; Sounds can be signs of much bigger furnace or air conditioner problems. 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