{"id":1723,"date":"2024-11-11T11:00:00","date_gmt":"2024-11-11T16:00:00","guid":{"rendered":"https:\/\/www.premierishere.com\/blog\/?p=1723"},"modified":"2025-06-19T04:54:31","modified_gmt":"2025-06-19T08:54:31","slug":"why-your-heat-pump-wont-change-to-heating-mode","status":"publish","type":"post","link":"https:\/\/www.premierishere.com\/blog\/heat-pump-service\/why-your-heat-pump-wont-change-to-heating-mode\/","title":{"rendered":"Why Your Heat Pump Won\u2019t Change to Heating Mode"},"content":{"rendered":"\n<figure class=\"wp-block-image alignright size-medium\"><a href=\"https:\/\/www.premierishere.com\/blog\/wp-content\/uploads\/2023\/06\/sun-and-snowflake-badge.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.premierishere.com\/blog\/wp-content\/uploads\/2023\/06\/sun-and-snowflake-badge-300x300.jpg\" alt=\"Circular icon with a yellow sun and blue snowflake representing heating and cooling.\n\" class=\"wp-image-820\" srcset=\"https:\/\/www.premierishere.com\/blog\/wp-content\/uploads\/2023\/06\/sun-and-snowflake-badge-300x300.jpg 300w, https:\/\/www.premierishere.com\/blog\/wp-content\/uploads\/2023\/06\/sun-and-snowflake-badge-150x150.jpg 150w, https:\/\/www.premierishere.com\/blog\/wp-content\/uploads\/2023\/06\/sun-and-snowflake-badge.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n\n\n\n<p>Cool weather means it\u2019s time to shift your heat pump into heating mode. The ease with which you can change a heat pump from one mode to another is one of the biggest advantages of having a heat pump in the first place.&nbsp;<\/p>\n\n\n\n<p>Still, what if your heat pump <em>won\u2019t <\/em>turn to heating mode? It does happen, and our team has worked with many heat pumps, so we\u2019re familiar with how this problem can occur. We\u2019ve put together this guide to help you understand what\u2019s going on and if you need <a href=\"\/dublin\/services\/heating\/heat-pumps\" target=\"_blank\" rel=\"noopener\" title=\"\">heat pump repair in Glenwood, GA<\/a>. In some cases, this issue can overlap with<a href=\"https:\/\/www.premierishere.com\/blog\/heat-pump-service\/why-is-my-heat-pump-stuck-in-one-mode\/\"> why heat pumps get stuck<\/a>, particularly when thermostat or reversing valve problems are involved.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Reversing Valve: The Key to Heating Mode<\/strong><\/h2>\n\n\n\n<p>One of the most important components of your heat pump is the reversing valve. This small but crucial part allows the system to switch between heating and cooling modes by changing the direction of refrigerant flow. When you switch from cooling to heating mode, the reversing valve reroutes the refrigerant so it absorbs warmth from the outdoor air and brings it inside. However, if this valve is damaged or stuck, it can prevent the heat pump from switching modes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Here\u2019s how the reversing valve might malfunction:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stuck Position:<\/strong> Over time, reversing valves can get stuck, especially if they haven&#8217;t been maintained or used in heating mode for several months.<\/li>\n\n\n\n<li><strong>Electrical Issues:<\/strong> The solenoid coil that powers the valve may fail, preventing the valve from activating.<\/li>\n\n\n\n<li><strong>Low Refrigerant:<\/strong> Insufficient refrigerant can also affect the valve\u2019s function, making it difficult for the system to change modes.<\/li>\n<\/ul>\n\n\n\n<p>Since a reversing valve malfunction typically requires a professional to diagnose the issue and either repair or replace the valve, it\u2019s a good idea to call us if you think this is the issue. If you&#8217;re weighing repair costs against long-term value, it may help to review the<a href=\"https:\/\/www.premierishere.com\/blog\/heat-pump-service\/watch-for-signs-of-a-heat-pumps-thats-too-old\/\"> signs your heat pump may be too old<\/a> to justify continued maintenance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Other Causes of Heat Pump Heating Issues<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Thermostat<\/strong><\/h3>\n\n\n\n<p>If your thermostat isn\u2019t working properly, it might not be sending the correct signals to the heat pump. This could happen because of incorrect settings, dead batteries, or faulty wiring.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Low Refrigerant Levels<\/strong><\/h3>\n\n\n\n<p>Your heat pump relies on refrigerant to transfer heat. If refrigerant levels are too low, the system may struggle to pull warmth from the outdoor air, effectively preventing it from shifting into heating mode. A refrigerant leak can also damage other components of the heat pump, leading to a full breakdown. You must have professionals to fix this problem.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Malfunctioning Defrost Cycle<\/strong><\/h3>\n\n\n\n<p>During winter, a heat pump\u2019s outdoor unit can collect frost, which needs to be periodically cleared for efficient operation. The system\u2019s defrost cycle helps melt any ice buildup on the coils. However, if the defrost cycle malfunctions, it may trigger heating issues by keeping the system in cooling mode longer than necessary.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Dirty or Blocked Refrigerant Coils<\/strong><\/h3>\n\n\n\n<p>The heat pump\u2019s coils absorb and release heat to allow it to do its job. When coils become dirty or blocked by debris, they can hinder the heat pump\u2019s ability to switch modes effectively. Dirty coils reduce efficiency, causing the system to work harder and potentially get stuck in a single mode. This kind of airflow or performance issue may also be one of several<a href=\"https:\/\/www.premierishere.com\/blog\/heat-pump-service\/watch-out-for-these-potential-heat-pump-problems\/\"> potential heat pump problems worth watching for<\/a> before they escalate into major failures.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Electrical or Control Board Issues<\/strong><\/h3>\n\n\n\n<p>Your heat pump\u2019s control board coordinates the various functions of the system, including the switching between heating and cooling modes. If there\u2019s an electrical issue or the control board malfunctions, the system may not receive the signals it needs to switch to heating mode.&nbsp;<\/p>\n\n\n\n<p>If you have a heat pump problem of any type, please contact our team right away for solutions!<\/p>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"\/contact-us\/schedule-service\" target=\"_blank\" rel=\"noopener\" title=\"\"><strong>Experience the Premier Difference! Premier Heating &amp; Air has been family-owned and operated since 2001.<\/strong><\/a>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our team has worked with many heat pumps, so we\u2019re familiar with how this problem can occur.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[116,75],"tags":[177,114],"class_list":["post-1723","post","type-post","status-publish","format-standard","hentry","category-conyers","category-heat-pump-service","tag-glenwood","tag-heat-pump-repair"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.premierishere.com\/blog\/wp-json\/wp\/v2\/posts\/1723","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.premierishere.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.premierishere.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.premierishere.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.premierishere.com\/blog\/wp-json\/wp\/v2\/comments?post=1723"}],"version-history":[{"count":3,"href":"https:\/\/www.premierishere.com\/blog\/wp-json\/wp\/v2\/posts\/1723\/revisions"}],"predecessor-version":[{"id":2390,"href":"https:\/\/www.premierishere.com\/blog\/wp-json\/wp\/v2\/posts\/1723\/revisions\/2390"}],"wp:attachment":[{"href":"https:\/\/www.premierishere.com\/blog\/wp-json\/wp\/v2\/media?parent=1723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.premierishere.com\/blog\/wp-json\/wp\/v2\/categories?post=1723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.premierishere.com\/blog\/wp-json\/wp\/v2\/tags?post=1723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}