{"id":79700,"date":"2026-08-15T23:11:39","date_gmt":"2026-08-16T07:11:39","guid":{"rendered":"https:\/\/autoolstore.com\/?p=79700"},"modified":"2026-08-13T23:21:01","modified_gmt":"2026-08-14T07:21:01","slug":"what-types-of-automotive-refrigerant-are-still-used-in-2026","status":"publish","type":"post","link":"https:\/\/autoolstore.com\/what-types-of-automotive-refrigerant-are-still-used-in-2026\/","title":{"rendered":"What Types of Automotive Refrigerant Are Still Used in 2026?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"79700\" class=\"elementor elementor-79700\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c558395 e-flex e-con-boxed e-con e-parent\" data-id=\"c558395\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4843dad elementor-widget elementor-widget-heading\" data-id=\"4843dad\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What Types of Automotive Refrigerant Are Still Used in 2026?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ab2a9b elementor-widget elementor-widget-text-editor\" data-id=\"6ab2a9b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong><b>Introduction<\/b><\/strong><\/h3><p>As environmental regulations continue to tighten, automotive refrigerants have undergone several generational shifts. From the early days of R12 to the now-widespread R134a and R1234yf, each refrigerant brings different environmental credentials, cooling efficiency, and system requirements.<\/p><p>So what refrigerants are commonly used in cars today? How do they differ? And can they be mixed? This article covers everything you need to know.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2845cc2 elementor-widget elementor-widget-image\" data-id=\"2845cc2\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/autoolstore.com\/wp-content\/uploads\/2026\/08\/Automotive-Refrigerant-1024x683.png\" class=\"attachment-large size-large wp-image-79702\" alt=\"\" srcset=\"https:\/\/autoolstore.com\/wp-content\/uploads\/2026\/08\/Automotive-Refrigerant-1024x683.png.webp 1024w, https:\/\/autoolstore.com\/wp-content\/uploads\/2026\/08\/Automotive-Refrigerant-300x200.png.webp 300w, https:\/\/autoolstore.com\/wp-content\/uploads\/2026\/08\/Automotive-Refrigerant-768x512.png.webp 768w, https:\/\/autoolstore.com\/wp-content\/uploads\/2026\/08\/Automotive-Refrigerant-60x40.png.webp 60w, https:\/\/autoolstore.com\/wp-content\/uploads\/2026\/08\/Automotive-Refrigerant-320x213.png.webp 320w, https:\/\/autoolstore.com\/wp-content\/uploads\/2026\/08\/Automotive-Refrigerant-64x43.png.webp 64w, https:\/\/autoolstore.com\/wp-content\/uploads\/2026\/08\/Automotive-Refrigerant.png.webp 1267w\" sizes=\"(max-width: 1024px) 100vw, 1024px\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6eac652 elementor-widget elementor-widget-text-editor\" data-id=\"6eac652\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong><b>I. What Types of Automotive Refrigerants Are There?<\/b><\/strong><\/h3><p>Looking at the evolution of automotive AC refrigerants, they can be broadly categorized as follows:<\/p><h4><strong><b>R12 (CFC-12) \u2013 Widely Used Early On, but Ozone-Depleting<\/b><\/strong><\/h4><p>R12 was the first refrigerant widely adopted in automotive AC systems.<\/p><p>Its excellent cooling performance and stability made it the go-to choice throughout the 1980s and early 1990s.<\/p><p>However, research later revealed that R12 depletes the ozone layer, causing severe environmental damage. As a result, many countries have banned its production and use. Today, it is only found in a small number of classic and vintage vehicles.<\/p><h4><strong><b>R134a (HFC-134a) \u2013 The Ozone-Friendly Successor to R12<\/b><\/strong><\/h4><p>R134a is one of the most successful replacements for R12.<\/p><p>From around 1994, most automakers began adopting R134a as their standard refrigerant.<\/p><p>Its advantages include:<\/p><ul><li>Stable cooling performance<\/li><li>Relatively low cost<\/li><li>Mature service infrastructure<\/li><li>Globally available supply<\/li><\/ul><p>Even today, millions of vehicles on the road still use R134a in their AC systems.<\/p><h4><strong><b>R1234yf \u2013 The New Generation of Eco-Friendly Refrigerant<\/b><\/strong><\/h4><p>As environmental standards have become more stringent, R1234yf has emerged as the next-generation automotive refrigerant.<\/p><p>Its biggest advantage over R134a is its extremely low Global Warming Potential (GWP), making it far more environmentally friendly.<\/p><p>New vehicles produced in Europe, North America, and many Asian countries are already widely adopting R1234yf. In the coming years, it is expected to become the dominant refrigerant in the automotive AC industry.<\/p><h4><strong><b>R744 (CO\u2082 Refrigerant) \u2013 A Niche but Promising Option<\/b><\/strong><\/h4><p>R744 is simply carbon dioxide (CO\u2082).<\/p><p>In recent years, some EVs and high-end models have begun using CO\u2082-based AC systems.<\/p><p>Its key advantages include:<\/p><ul><li>Excellent environmental profile<\/li><li>Zero ozone depletion potential<\/li><li>Extremely low GWP<\/li><\/ul><p>However, its operating pressure is significantly higher than traditional AC systems, requiring specialized equipment and technical expertise. For now, it remains a niche solution.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9742832 elementor-widget elementor-widget-text-editor\" data-id=\"9742832\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong><b>II. What Are the Most Common Automotive Refrigerants Today?<\/b><\/strong><\/h3><p>For vehicles currently on the road, two refrigerants dominate:<\/p><h4><strong><b>R134a<\/b><\/strong><\/h4><p>If your vehicle was built between 1995 and 2020, it most likely uses R134a.<\/p><p>With mature technology and low service costs, R134a remains the most widely used automotive refrigerant globally.<\/p><h4><strong><b>R1234yf<\/b><\/strong><\/h4><p>New vehicles produced in recent years are increasingly adopting R1234yf.<\/p><p>In markets like Europe and North America, stricter environmental regulations have accelerated the transition. Most new models there now come factory-filled with R1234yf.<\/p><p>For repair shops, the ability to handle both R134a and R1234yf has become essential. Professional-grade tools like the AUTOOL LM708 support both refrigerant types for seamless service.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c141380 elementor-widget elementor-widget-text-editor\" data-id=\"c141380\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong><b>III. Can Different Refrigerants Be Mixed?<\/b><\/strong><\/h3><p><strong><b>The short answer: Absolutely not.<\/b><\/strong><\/p><p>Different refrigerants have distinct chemical properties, operating pressures, and lubrication requirements.<\/p><p>Mixing them can lead to:<\/p><ul><li>Reduced cooling performance<\/li><li>Compressor lubrication failure<\/li><li>Internal corrosion of the AC system<\/li><li>Abnormally high system pressure<\/li><li>Damage to service equipment<\/li><\/ul><p>Take R134a and R1234yf, for example \u2014 while they may seem similar, their system designs, service port standards, and lubricant types are different. Mixing them not only degrades cooling performance but can also cause complete system failure.<\/p><p>Before topping up or replacing refrigerant, always confirm the OEM-specified refrigerant type for your vehicle.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8fd47f2 elementor-widget elementor-widget-text-editor\" data-id=\"8fd47f2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong><b>IV. How Do I Know Which Refrigerant My Car Uses?<\/b><\/strong><\/h3><p>If you\u2019re unsure which refrigerant your vehicle requires, here are several ways to find out:<\/p><h4><strong><b>Check the Under-Hood Label<\/b><\/strong><\/h4><p>Most vehicles have an AC system label under the hood. This label usually specifies:<\/p><ul><li>Refrigerant type<\/li><li>Refrigerant charge quantity<\/li><li>Compressor oil specification<\/li><\/ul><p>This is the simplest and most reliable method.<\/p><h4><strong><b>Refer to the Owner\u2019s Manual<\/b><\/strong><\/h4><p>The vehicle manual typically includes refrigerant specifications and maintenance guidelines for the AC system.<\/p><h4><strong><b>Look Up the VIN<\/b><\/strong><\/h4><p>Some automakers allow you to check vehicle configuration \u2014 including refrigerant type \u2014 using the VIN (Vehicle Identification Number).<\/p><h4><strong><b>Use Professional Diagnostic Equipment<\/b><\/strong><\/h4><p>Service shops can use refrigerant analyzers or digital manifold gauge sets to read system operating parameters and help confirm the refrigerant type.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-765066f elementor-grid-4 elementor-grid-tablet-3 elementor-grid-mobile-2 elementor-products-grid elementor-wc-products elementor-widget elementor-widget-woocommerce-products\" data-id=\"765066f\" data-element_type=\"widget\" data-widget_type=\"woocommerce-products.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"woocommerce columns-4 \"><ul class=\"products elementor-grid columns-4\" data-products=\"type-3\" data-hover=\"swap\">\n<li class=\"product type-product post-56963 status-publish first instock product_cat-automotive-repair-maintenance-equipment product_cat-smart-digital-manifold-gauge product_tag-a-c-refrigerant-service product_tag-measurement-tools product_tag-multi-warehouse-shipping has-post-thumbnail shipping-taxable purchasable product-type-variable\">\n\t<a href=\"https:\/\/autoolstore.com\/product\/autool-lm100-refrigerant-leak-detector\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"AUTOOL LM100 Digital Vacuum Gauge\" srcset=\"https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-300x300.jpg 300w, https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-150x150.jpg 150w, https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-768x768.jpg 768w, https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-64x64.jpg 64w, https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-500x500.jpg 500w, https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-1024x1024.jpg 1024w, https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-1536x1536.jpg 1536w, https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-12x12.jpg 12w, https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-60x60.jpg 60w, https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1-320x320.jpg 320w, https:\/\/autoolstore.com\/wp-content\/uploads\/2025\/06\/AUTOOL-LM100-Smart-Digital-Vaccum-Gauge1.jpg 1600w\" sizes=\"(max-width: 689px) calc(45vw - 4px), (max-width: 999px) calc(30.6667vw - 10px), (max-width: 1599px) calc(22.5vw - 11.25px), 350px\" \/><h2 class=\"woocommerce-loop-product__title\">AUTOOL LM100 Digital Vacuum Gauge<\/h2>\n\t<span class=\"price\"><span class=\"wcpbc-price wcpbc-price-56963\" data-product-id=\"56963\"><span class=\"autool-card-from-price\" data-autool-price-mode=\"from\">From <span class=\"woocommerce-Price-amount amount notranslate\" data-autool-price-notranslate=\"yes\" translate=\"no\"><span class=\"woocommerce-Price-currencySymbol notranslate\" data-autool-price-notranslate=\"yes\" translate=\"no\">US&#036;<\/span>120.00<\/span><\/span><\/span><\/span>\n<\/a><a href=\"https:\/\/autoolstore.com\/product\/autool-lm100-refrigerant-leak-detector\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_56963\" data-quantity=\"1\" class=\"button product_type_variable add_to_cart_button\" data-product_id=\"56963\" data-product_sku=\"MMT631\" aria-label=\"Select options for &ldquo;AUTOOL LM100 Digital Vacuum Gauge&rdquo;\" rel=\"nofollow\">Select options<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_56963\" class=\"screen-reader-text\">\n\t\tThis product has multiple variants. The options may be chosen on the product page\t<\/span>\n<div class=\"autool-card-bottom-actions\" data-autool-card-layer=\"bottom-cart\"><a href=\"https:\/\/autoolstore.com\/product\/autool-lm100-refrigerant-leak-detector\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_56963\" data-quantity=\"1\" class=\"button product_type_variable add_to_cart_button\" data-product_id=\"56963\" data-product_sku=\"MMT631\" aria-label=\"Select options for &ldquo;AUTOOL LM100 Digital Vacuum Gauge&rdquo;\" rel=\"nofollow\"><span class=\"autool-card-button-icon\" aria-hidden=\"true\"><svg viewBox=\"0 0 18 18\" focusable=\"false\" role=\"presentation\"><path d=\"M5.2 5.4h11.1l-1.2 5.5a2 2 0 0 1-2 1.6H7.4a2 2 0 0 1-2-1.6L4.2 2.8H2.1\" \/><circle cx=\"7.6\" cy=\"15\" r=\"1.1\" \/><circle cx=\"13.1\" cy=\"15\" r=\"1.1\" \/><\/svg><\/span><span class=\"autool-card-button-label\">Select options<\/span><\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_56963\" class=\"screen-reader-text\">\n\t\tThis product has multiple variants. The options may be chosen on the product page\t<\/span>\n<\/div><\/li>\n<li class=\"product type-product post-41509 status-publish instock product_cat-automotive-repair-maintenance-equipment product_cat-smart-digital-manifold-gauge product_tag-a-c-refrigerant-service product_tag-leak-detection product_tag-measurement-tools product_tag-multi-warehouse-shipping has-post-thumbnail shipping-taxable purchasable product-type-variable\">\n\t<a href=\"https:\/\/autoolstore.com\/product\/autool-lm160-refrigerant-leak-detector-digital-manifold-gauges\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM160-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"LM160 Refrigerant Leak Detector Digital Manifold Gauges\" srcset=\"https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM160-300x300.jpg 300w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM160-150x150.jpg 150w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM160-768x768.jpg 768w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM160-64x64.jpg 64w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM160-500x500.jpg 500w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM160.jpg 800w\" sizes=\"(max-width: 689px) calc(45vw - 4px), (max-width: 999px) calc(30.6667vw - 10px), (max-width: 1599px) calc(22.5vw - 11.25px), 350px\" \/><h2 class=\"woocommerce-loop-product__title\">AUTOOL LM160 Smart Digital Manifold Kit with 95-Refrigerant Database<\/h2><div class=\"star-rating\" role=\"img\" aria-label=\"Rated 4.75 out of 5\"><span style=\"width:95%\">Rated <strong class=\"rating\">4.75<\/strong> out of 5<\/span><\/div>\n\t<span class=\"price\"><span class=\"wcpbc-price wcpbc-price-41509\" data-product-id=\"41509\"><span class=\"autool-card-from-price\" data-autool-price-mode=\"from\">From <span class=\"woocommerce-Price-amount amount notranslate\" data-autool-price-notranslate=\"yes\" translate=\"no\"><span class=\"woocommerce-Price-currencySymbol notranslate\" data-autool-price-notranslate=\"yes\" translate=\"no\">US&#036;<\/span>209.00<\/span><\/span><\/span><\/span>\n<\/a><a href=\"https:\/\/autoolstore.com\/product\/autool-lm160-refrigerant-leak-detector-digital-manifold-gauges\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_41509\" data-quantity=\"1\" class=\"button product_type_variable add_to_cart_button\" data-product_id=\"41509\" data-product_sku=\"MOC269\" aria-label=\"Select options for &ldquo;AUTOOL LM160 Smart Digital Manifold Kit with 95-Refrigerant Database&rdquo;\" rel=\"nofollow\">Select options<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_41509\" class=\"screen-reader-text\">\n\t\tThis product has multiple variants. 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The options may be chosen on the product page\t<\/span>\n<\/div><\/li>\n<li class=\"product type-product post-37944 status-publish instock product_cat-automotive-repair-maintenance-equipment product_cat-smart-digital-manifold-gauge product_tag-a-c-refrigerant-service product_tag-best-seller product_tag-measurement-tools product_tag-multi-warehouse-shipping product_tag-new-arrival has-post-thumbnail shipping-taxable purchasable product-type-variable\">\n\t<a href=\"https:\/\/autoolstore.com\/product\/autool-lm150-digital-manifold-gauges-digital-ac-gauges\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM150-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"LM150 Digital Manifold Gauges Digital AC Gauges\" srcset=\"https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM150-300x300.jpg 300w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM150-150x150.jpg 150w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM150-768x768.jpg 768w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM150-64x64.jpg 64w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM150-500x500.jpg 500w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM150.jpg 800w\" sizes=\"(max-width: 689px) calc(45vw - 4px), (max-width: 999px) calc(30.6667vw - 10px), (max-width: 1599px) calc(22.5vw - 11.25px), 350px\" \/><h2 class=\"woocommerce-loop-product__title\">AUTOOL LM150 Digital Manifold Gauge with 93-Refrigerant Database<\/h2><div class=\"star-rating\" role=\"img\" aria-label=\"Rated 5.00 out of 5\"><span style=\"width:100%\">Rated <strong class=\"rating\">5.00<\/strong> out of 5<\/span><\/div>\n\t<span class=\"price\"><span class=\"wcpbc-price wcpbc-price-37944\" data-product-id=\"37944\"><span class=\"autool-card-from-price\" data-autool-price-mode=\"from\">From <span class=\"woocommerce-Price-amount amount notranslate\" data-autool-price-notranslate=\"yes\" translate=\"no\"><span class=\"woocommerce-Price-currencySymbol notranslate\" data-autool-price-notranslate=\"yes\" translate=\"no\">US&#036;<\/span>159.00<\/span><\/span><\/span><\/span>\n<\/a><a href=\"https:\/\/autoolstore.com\/product\/autool-lm150-digital-manifold-gauges-digital-ac-gauges\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_37944\" data-quantity=\"1\" class=\"button product_type_variable add_to_cart_button\" data-product_id=\"37944\" data-product_sku=\"MMT554\" aria-label=\"Select options for &ldquo;AUTOOL LM150 Digital Manifold Gauge with 93-Refrigerant Database&rdquo;\" rel=\"nofollow\">Select options<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_37944\" class=\"screen-reader-text\">\n\t\tThis product has multiple variants. The options may be chosen on the product page\t<\/span>\n<div class=\"autool-card-bottom-actions\" data-autool-card-layer=\"bottom-cart\"><a href=\"https:\/\/autoolstore.com\/product\/autool-lm150-digital-manifold-gauges-digital-ac-gauges\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_37944\" data-quantity=\"1\" class=\"button product_type_variable add_to_cart_button\" data-product_id=\"37944\" data-product_sku=\"MMT554\" aria-label=\"Select options for &ldquo;AUTOOL LM150 Digital Manifold Gauge with 93-Refrigerant Database&rdquo;\" rel=\"nofollow\"><span class=\"autool-card-button-icon\" aria-hidden=\"true\"><svg viewBox=\"0 0 18 18\" focusable=\"false\" role=\"presentation\"><path d=\"M5.2 5.4h11.1l-1.2 5.5a2 2 0 0 1-2 1.6H7.4a2 2 0 0 1-2-1.6L4.2 2.8H2.1\" \/><circle cx=\"7.6\" cy=\"15\" r=\"1.1\" \/><circle cx=\"13.1\" cy=\"15\" r=\"1.1\" \/><\/svg><\/span><span class=\"autool-card-button-label\">Select options<\/span><\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_37944\" class=\"screen-reader-text\">\n\t\tThis product has multiple variants. The options may be chosen on the product page\t<\/span>\n<\/div><\/li>\n<li class=\"product type-product post-29068 status-publish last instock product_cat-automotive-repair-maintenance-equipment product_cat-smart-digital-manifold-gauge product_tag-a-c-refrigerant-service product_tag-best-seller product_tag-measurement-tools product_tag-multi-warehouse-shipping has-post-thumbnail shipping-taxable purchasable product-type-variable\">\n\t<a href=\"https:\/\/autoolstore.com\/product\/autool-lm120-refrigerant-gauges-digital-hvac-gauges\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM120-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"LM120+ Refrigerant Gauges Digital Hvac Gauges\" srcset=\"https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM120-1-300x300.jpg 300w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM120-1-150x150.jpg 150w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM120-1-768x768.jpg 768w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM120-1-64x64.jpg 64w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM120-1-500x500.jpg 500w, https:\/\/autoolstore.com\/wp-content\/uploads\/2024\/08\/LM120-1.jpg 800w\" sizes=\"(max-width: 689px) calc(45vw - 4px), (max-width: 999px) calc(30.6667vw - 10px), (max-width: 1599px) calc(22.5vw - 11.25px), 350px\" \/><h2 class=\"woocommerce-loop-product__title\">AUTOOL LM120+ Digital Manifold Gauge with T1\/T2 Clamp Inputs<\/h2><div class=\"star-rating\" role=\"img\" aria-label=\"Rated 4.89 out of 5\"><span style=\"width:97.8%\">Rated <strong class=\"rating\">4.89<\/strong> out of 5<\/span><\/div>\n\t<span class=\"price\"><span class=\"wcpbc-price wcpbc-price-29068\" data-product-id=\"29068\"><span class=\"autool-card-from-price\" data-autool-price-mode=\"from\">From <span class=\"woocommerce-Price-amount amount notranslate\" data-autool-price-notranslate=\"yes\" translate=\"no\"><span class=\"woocommerce-Price-currencySymbol notranslate\" data-autool-price-notranslate=\"yes\" translate=\"no\">US&#036;<\/span>149.00<\/span><\/span><\/span><\/span>\n<\/a><a href=\"https:\/\/autoolstore.com\/product\/autool-lm120-refrigerant-gauges-digital-hvac-gauges\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_29068\" data-quantity=\"1\" class=\"button product_type_variable add_to_cart_button\" data-product_id=\"29068\" data-product_sku=\"MCD13073\" aria-label=\"Select options for &ldquo;AUTOOL LM120+ Digital Manifold Gauge with T1\/T2 Clamp Inputs&rdquo;\" rel=\"nofollow\">Select options<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_29068\" class=\"screen-reader-text\">\n\t\tThis product has multiple variants. The options may be chosen on the product page\t<\/span>\n<div class=\"autool-card-bottom-actions\" data-autool-card-layer=\"bottom-cart\"><a href=\"https:\/\/autoolstore.com\/product\/autool-lm120-refrigerant-gauges-digital-hvac-gauges\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_29068\" data-quantity=\"1\" class=\"button product_type_variable add_to_cart_button\" data-product_id=\"29068\" data-product_sku=\"MCD13073\" aria-label=\"Select options for &ldquo;AUTOOL LM120+ Digital Manifold Gauge with T1\/T2 Clamp Inputs&rdquo;\" rel=\"nofollow\"><span class=\"autool-card-button-icon\" aria-hidden=\"true\"><svg viewBox=\"0 0 18 18\" focusable=\"false\" role=\"presentation\"><path d=\"M5.2 5.4h11.1l-1.2 5.5a2 2 0 0 1-2 1.6H7.4a2 2 0 0 1-2-1.6L4.2 2.8H2.1\" \/><circle cx=\"7.6\" cy=\"15\" r=\"1.1\" \/><circle cx=\"13.1\" cy=\"15\" r=\"1.1\" \/><\/svg><\/span><span class=\"autool-card-button-label\">Select options<\/span><\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_29068\" class=\"screen-reader-text\">\n\t\tThis product has multiple variants. The options may be chosen on the product page\t<\/span>\n<\/div><\/li>\n<\/ul>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c6b8fb elementor-widget elementor-widget-text-editor\" data-id=\"8c6b8fb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong><b>V. When Should Refrigerant Be Replaced?<\/b><\/strong><\/h3><p>In theory, an automotive AC system is a sealed loop, and refrigerant doesn\u2019t have a fixed replacement interval.<\/p><p>If the system has no leaks, the refrigerant can last for many years.<\/p><p>However, you should have the system inspected or recharged when you notice the following:<\/p><h4><strong><b>Noticeably Weaker Cooling<\/b><\/strong><\/h4><p>If the air from the vents is warmer than usual, it may indicate low refrigerant charge.<\/p><h4><strong><b>Frequent Compressor Cycling<\/b><\/strong><\/h4><p>Abnormal refrigerant pressure can cause the compressor to cycle on and off repeatedly.<\/p><h4><strong><b>After System Leak Repair<\/b><\/strong><\/h4><p>Replacing components like the condenser, evaporator, compressor, or hoses typically requires evacuating the system and recharging with fresh refrigerant.<\/p><h3><strong><b>Conclusion<\/b><\/strong><\/h3><p>Automotive refrigerants have evolved from R12 to R134a and now to R1234yf. Looking ahead, CO\u2082 (R744) is also expected to gain wider adoption. For now, R134a and R1234yf remain the most common refrigerants on the road.<\/p><p>One key takeaway:\u00a0<strong><b>never mix different refrigerants.<\/b><\/strong>\u00a0Doing so can damage the AC system and drive up repair costs. Always confirm the OEM-specified refrigerant type before topping up or replacing.<\/p><p>In our next blog, we\u2019ll walk you through the refrigerant replacement process step by step \u2014 stay tuned!<\/p><h4><strong><b>After Major AC System Service<\/b><\/strong><\/h4><p>Following significant repairs, it&#8217;s recommended to recharge with fresh refrigerant to ensure optimal performance.<\/p><p>Using a\u00a0<strong><a href=\"https:\/\/autoolstore.com\/product-category\/automotive-repair-maintenance-equipment\/smart-digital-manifold-gauge\/\">digital manifold gauge<\/a><\/strong>\u00a0during service allows technicians to monitor high and low side pressures in real time, check vacuum levels, and analyze superheat and subcooling \u2014 ensuring accurate and reliable refrigerant charging.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>What Types of Automotive Refrigerant Are Still Used in 2026? Introduction As environmental regulations continue to tighten, automotive refrigerants have undergone several generational shifts. From the early days of R12 to the now-widespread R134a and R1234yf, each refrigerant brings different environmental credentials, cooling efficiency, and system requirements. So what refrigerants are commonly used in cars [&hellip;]<\/p>\n","protected":false},"author":121,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"page-templates\/full-width.php","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[113],"hf_cat_post":[],"class_list":["post-79700","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-ac-recovery-machine"],"blocksy_meta":[],"jetpack_featured_media_url":"","meta_box":[],"_links":{"self":[{"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/posts\/79700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/users\/121"}],"replies":[{"embeddable":true,"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/comments?post=79700"}],"version-history":[{"count":4,"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/posts\/79700\/revisions"}],"predecessor-version":[{"id":79714,"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/posts\/79700\/revisions\/79714"}],"wp:attachment":[{"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/media?parent=79700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/categories?post=79700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/tags?post=79700"},{"taxonomy":"hf_cat_post","embeddable":true,"href":"https:\/\/autoolstore.com\/wp-json\/wp\/v2\/hf_cat_post?post=79700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}