{"id":18341,"date":"2022-08-13T11:17:28","date_gmt":"2022-08-13T11:17:28","guid":{"rendered":"https:\/\/machinewonders.com\/?p=18341"},"modified":"2022-08-13T11:17:31","modified_gmt":"2022-08-13T11:17:31","slug":"recharging-window-air-conditioner","status":"publish","type":"post","link":"https:\/\/machinewonders.com\/recharging-window-air-conditioner\/","title":{"rendered":"Recharging a Window AC: Steps and Precautions"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"18341\" class=\"elementor elementor-18341\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7fed054 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7fed054\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c1e2e9e\" data-id=\"c1e2e9e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e07cbec elementor-widget elementor-widget-text-editor\" data-id=\"e07cbec\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"\">Refrigerant recharging on a window air conditioner isn&#8217;t often done because most people replace their units when they fail.<\/p><p class=\"\">Windows air conditioners may be recharged with refrigerants and put back to use to cool a space or room.\u00a0Learning how to do it safely will save you a lot of money.<\/p><p class=\"\">It&#8217;s not hard to recharge a unit, but if you don&#8217;t know anything about HVAC refrigerant, then make sure you learn about that before you start.<\/p><p class=\"\">There are two ways to recharge an air conditioner: the low-cost backyard quick method used by many homeowners or a more involved but recommended technology method.<\/p><p class=\"\">The low-cost backyard technique is the most used method for recharging a <a href=\"https:\/\/machinewonders.com\/best-window-air-conditioner-with-heat\/\">window air conditioner<\/a> if it&#8217;s low on coolant, but not recommended.<\/p><p class=\"\">Here are the steps for both types of recharging methods.<\/p><p><strong>Parts required:<\/strong><\/p><ul><li>Bullet Valve<\/li><li>Refrigerant Normally R410a<\/li><li>HVAC Gauges or Recharge Hose<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4130900 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4130900\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4b7532b\" data-id=\"4b7532b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-15da868 elementor-widget elementor-widget-heading\" data-id=\"15da868\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Backyard Quick Method To Recharge A Window A\/C<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c7f0fd8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c7f0fd8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cc54126\" data-id=\"cc54126\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-55d3130 elementor-widget elementor-widget-text-editor\" data-id=\"55d3130\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li class=\"\">Connect a Bullet Schrader Valve to the low-pressure line of your car.<\/li><li class=\"\">Join the refrigerant flowing into the hose.<\/li><li class=\"\">Connect the charging hose to the Schrader valve.<\/li><li class=\"\">Push refrigerant into the systems to open the valve on the recharge hoses.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2be893a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2be893a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d0b110a\" data-id=\"d0b110a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b476449 elementor-widget elementor-widget-heading\" data-id=\"b476449\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Attaching a Bullet Valve<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8c02ec9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8c02ec9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-833457f\" data-id=\"833457f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ada8fe6 elementor-widget elementor-widget-image\" data-id=\"ada8fe6\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"563\" height=\"375\" src=\"https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Attaching-a-Bullet-Valve.jpg\" class=\"attachment-large size-large wp-image-18354\" alt=\"recharging window ac\" srcset=\"https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Attaching-a-Bullet-Valve.jpg 563w, https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Attaching-a-Bullet-Valve-300x200.jpg 300w\" sizes=\"(max-width: 563px) 100vw, 563px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-04c131e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"04c131e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c7cfb10\" data-id=\"c7cfb10\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-14881cf elementor-widget elementor-widget-text-editor\" data-id=\"14881cf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"\">A bullet valve is an easy way to add a recharger port into an air conditioner.\u00a0Most window air conditioners do not have a service port that is easy to access for taking out a low-cost bullet valve.<\/p><p class=\"\">An Allen Valve Wrench is easy to use to secure the screws onto the bullet valve. It includes a sharp needle that goes into the line, usually connected to the lower pressure refrigerant line.<\/p><p class=\"\">You&#8217;ll need an HVAC gauge or a recharging hose too.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cc51b62 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc51b62\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-386f213\" data-id=\"386f213\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7e857d1 elementor-widget elementor-widget-heading\" data-id=\"7e857d1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Refrigerant Type<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-589fd21 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"589fd21\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-65af322\" data-id=\"65af322\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8317b6b elementor-widget elementor-widget-text-editor\" data-id=\"8317b6b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"\">The type of refrigerant used will be labeled on the machine.\u00a0Most older units use <a href=\"https:\/\/homeclimates.com\/blog\/what-is-r22-and-how-does-it-affect-you\">R22 refrigerant<\/a>, which is no longer manufactured. Newer units usually use R410A refrigerant.<\/p><p class=\"\">Many websites and YouTube videos show people using <a href=\"https:\/\/www.engineeringtoolbox.com\/r134a-properties-d_1682.html\">R134a refrigerant<\/a> for recharging window AC units.<\/p><p class=\"\">They should never be mixed when charging refrigerants because no machine is designed for mixed-medium refrigerants.\u00a0As for the oils used in HVs, they may vary and ruin the compressor or other parts.<\/p><p class=\"\">Many YouTube videos say they successfully use R134a in R410a and\/or R22 systems, but we wouldn&#8217;t recommend that. Follow the instructions provided by the manufacturer. Don&#8217;t use anything else.<\/p><p class=\"\">People use R134A because it&#8217;s widely used in automobile air conditioning systems and cheap to buy online and at auto parts stores.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-baa32a7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"baa32a7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b507041\" data-id=\"b507041\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c18cc39 elementor-widget elementor-widget-heading\" data-id=\"c18cc39\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Refrigerant Pressure<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d61541e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d61541e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b2151bd\" data-id=\"b2151bd\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-928017e elementor-widget elementor-widget-image\" data-id=\"928017e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"522\" height=\"347\" src=\"https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Refrigerant-Pressure.jpg\" class=\"attachment-large size-large wp-image-18353\" alt=\"recharging window ac\" srcset=\"https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Refrigerant-Pressure.jpg 522w, https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Refrigerant-Pressure-300x199.jpg 300w\" sizes=\"(max-width: 522px) 100vw, 522px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-13e0f80 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"13e0f80\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3afe71f\" data-id=\"3afe71f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-035069c elementor-widget elementor-widget-text-editor\" data-id=\"035069c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"\">Each HVAC system requires different air pressure depending upon the temperature.\u00a0Every window air conditioner requires the right pressure to cool properly.<\/p><p class=\"\">If a device has low refrigerant, the pressure inside the device will be too low and won&#8217;t work.\u00a0If a device is filled up, the pressure will be so high that the machine won&#8217;t work.<\/p><p class=\"\">Therefore, it&#8217;s important to get the pressure right before adding refrigerant so that you don&#8217;t overfill the unit.\u00a0It is recommended to keep the pressure below 40 psi on the low-pressure side before testing the device and checking if it starts to cool.<\/p><p class=\"\">Starting at a lower pressure, such as 30 psi, is best, and testing the unit for cool\u00ading.\u00a0If the unit isn\u2019t cooling, slowly increase the pressure until it starts working again.\u00a0You&#8217;ll need a recharge hose or an HVAC gauge with a pressure age.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2b8a233 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b8a233\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-64d8023\" data-id=\"64d8023\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4b9a940 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4b9a940\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aae8d5c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aae8d5c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6161cd0\" data-id=\"6161cd0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-97a172b elementor-widget elementor-widget-heading\" data-id=\"97a172b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How To Recharge a Window A\/C (Recommended Method)<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d129f66 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d129f66\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-144b4b6\" data-id=\"144b4b6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8317808 elementor-widget elementor-widget-heading\" data-id=\"8317808\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Find and Repair Any Leaks<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1b94b1b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1b94b1b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e0b8c95\" data-id=\"e0b8c95\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-96ef54d elementor-widget elementor-widget-image\" data-id=\"96ef54d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"523\" height=\"346\" src=\"https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Find-and-Repair-Any-Leaks.jpg\" class=\"attachment-large size-large wp-image-18355\" alt=\"recharging window ac\" srcset=\"https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Find-and-Repair-Any-Leaks.jpg 523w, https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Find-and-Repair-Any-Leaks-300x198.jpg 300w\" sizes=\"(max-width: 523px) 100vw, 523px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-73940d0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"73940d0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-24d5904\" data-id=\"24d5904\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8982920 elementor-widget elementor-widget-text-editor\" data-id=\"8982920\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"\">The very first step is to check for leaks. If a window unit leaks slowly, it will only need a small boost every few years. It&#8217;s not a big deal if you want to run the air conditioner like that.<\/p><p class=\"\">A fast leak must be repaired and fixed before it can be refilled.<\/p><p class=\"\">There are several ways to find leaks, from a visual inspection to filling a system with nitrogen and using soap to find them.<\/p><p class=\"\"><a href=\"https:\/\/www.mybacharach.com\/refrigerant-leak-detection-methods\/\">Refrigerant leak detectors<\/a> can also be purchased, and they make a loud, clear beep when they detect refrigerant leaks.\u00a0Leaks often occur at joints. If you find a leaking joint, it often requires repairing it by resoldering it together.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-350a0a7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"350a0a7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-29cfef3\" data-id=\"29cfef3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d28b3f9 elementor-widget elementor-widget-heading\" data-id=\"d28b3f9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Install a Service Port (Schrader Valve)<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fd7097a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fd7097a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-eaf451d\" data-id=\"eaf451d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5f48a94 elementor-widget elementor-widget-text-editor\" data-id=\"5f48a94\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"\">Small air conditioners don&#8217;t usually have a service port to connect gauges.\u00a0Installing a simple service line involves soldering at a port, using a piercing valve kit, or both.<\/p><p class=\"\">It&#8217;s easy to install a Schrader valve on a device. Most people use a piercing valve to install Schrader Valves.\u00a0Service vents are often installed on the high-pressure line to add more refrigerant. That&#8217;s the larger size.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7615404 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7615404\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9d6765c\" data-id=\"9d6765c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e086a21 elementor-widget elementor-widget-heading\" data-id=\"e086a21\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. Recharge the Unit<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-14a2294 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"14a2294\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-eee82bb\" data-id=\"eee82bb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4596bf7 elementor-widget elementor-widget-image\" data-id=\"4596bf7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"354\" src=\"https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Recharge-the-unit.jpg\" class=\"attachment-large size-large wp-image-18356\" alt=\"recharging window ac\" srcset=\"https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Recharge-the-unit.jpg 532w, https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Recharge-the-unit-300x200.jpg 300w\" sizes=\"(max-width: 532px) 100vw, 532px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f3b215e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f3b215e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f97821d\" data-id=\"f97821d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9eba2ff elementor-widget elementor-widget-text-editor\" data-id=\"9eba2ff\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"\">Once leaks are repaired and a new service port has been installed, it is time for the new refrigerant. <span style=\"font-size: 16px; color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Helvetica Neue; background-color: var(--ast-global-color-5);\">You need an HVAC gauge and a good refrigerant.<\/span><\/p><p class=\"\">Most devices use <a href=\"https:\/\/www.andservices.com\/blog\/the-difference-between-r22-and-r410-refrigerant\/\">R410A<\/a> today, but check the device&#8217;s service label for any restrictions.\u00a0<span style=\"font-size: 16px; color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Helvetica Neue; background-color: var(--ast-global-color-5);\">You can purchase R410A at air conditioning supply stores and online.<\/span><\/p><p class=\"\">Connect your gauge to the service interface and the refrigerant tank.\u00a0<span style=\"font-size: 16px; color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Helvetica Neue; background-color: var(--ast-global-color-5);\">Understand what the full-charge pressure setting is before beginning. Don&#8217;t overfill your unit.<\/span><\/p><p class=\"\">Check your pressure on the gauge and a temperature-pressure graph to understand what it should be.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a211252 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a211252\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-32e11e4\" data-id=\"32e11e4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5bcd34a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"5bcd34a\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8a55ffb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8a55ffb\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ad381b3\" data-id=\"ad381b3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9e769f7 elementor-widget elementor-widget-heading\" data-id=\"9e769f7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Summary<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f7748f0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f7748f0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cdb451a\" data-id=\"cdb451a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-83f0525 elementor-widget elementor-widget-text-editor\" data-id=\"83f0525\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"\">These are the basic steps involved in charging a window air conditioner.\u00a0Remember, there&#8217;ll always be different variations between manufacturers.<\/p><p class=\"\">Make sure to follow safety procedures when working with an HVAC unit.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Refrigerant recharging on a window air conditioner isn&#8217;t often done because most people replace their units when they fail. Windows air conditioners may be recharged &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/machinewonders.com\/recharging-window-air-conditioner\/\"> <span class=\"screen-reader-text\">Recharging a Window AC: Steps and Precautions<\/span> Read More \u00bb<\/a><\/p>\n","protected":false},"author":2,"featured_media":18352,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ub_ctt_via":"","site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[173],"tags":[279],"featured_image_src":"https:\/\/machinewonders.com\/wp-content\/uploads\/2022\/08\/Recharging-a-Window-AC.jpg","author_info":{"display_name":"Dan Mullens","author_link":"https:\/\/machinewonders.com\/author\/danmullens\/"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Recharging a Window AC: Steps and Precautions<\/title>\n<meta name=\"description\" content=\"Although we always recommend an expert recharge your window AC, you can certainly do it yourself. Here&#039;s how.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/machinewonders.com\/recharging-window-air-conditioner\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Recharging a Window AC: Steps and Precautions\" \/>\n<meta property=\"og:description\" content=\"Although we always recommend an expert recharge your window AC, you can certainly do it yourself. 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