{"id":32823,"date":"2021-02-17T15:32:06","date_gmt":"2021-02-17T22:32:06","guid":{"rendered":"http:\/\/www.hvacredu.net\/staging\/?page_id=32823"},"modified":"2025-05-26T19:40:00","modified_gmt":"2025-05-27T02:40:00","slug":"446-2","status":"publish","type":"page","link":"https:\/\/www.hvacredu.net\/staging\/446-2\/","title":{"rendered":"446 &#8211; Introduction to CO2 Refrigerant Systems"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"32823\" class=\"elementor elementor-32823\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dde2936 e-flex e-con-boxed e-con e-parent\" data-id=\"dde2936\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-42270fc elementor-widget elementor-widget-text-editor\" data-id=\"42270fc\" 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\t\t<p style=\"text-align: center;\">446 &#8211; Introduction to CO<span style=\"font-size: 18pt;\">2<\/span> Refrigerant Systems<\/p>\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\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2a839e9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2a839e9\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-ececc18\" data-id=\"ececc18\" 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-89d20a9 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"89d20a9\" 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\t\t<p style=\"text-align: right;\">33 instructional hours\u00a0 &#8211; Written by Brett Wetzel<\/p>\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-2532250 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2532250\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-fd873cb\" data-id=\"fd873cb\" 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-ac278ee elementor-widget elementor-widget-spacer\" data-id=\"ac278ee\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\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-34e386f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"34e386f\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-28dfb9d\" data-id=\"28dfb9d\" 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-4360fcb elementor-widget elementor-widget-image\" data-id=\"4360fcb\" 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\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1134\" height=\"756\" src=\"https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2024\/07\/446.jpg\" class=\"attachment-1536x1536 size-1536x1536 wp-image-32845\" alt=\"\" srcset=\"https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2024\/07\/446.jpg 1134w, https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2024\/07\/446-300x200.jpg 300w, https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2024\/07\/446-600x400.jpg 600w, https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2024\/07\/446-1024x683.jpg 1024w, https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2024\/07\/446-768x512.jpg 768w, https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2024\/07\/446-570x380.jpg 570w, https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2024\/07\/446-380x254.jpg 380w, https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2024\/07\/446-285x190.jpg 285w\" sizes=\"(max-width: 1134px) 100vw, 1134px\" \/>\t\t\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<div class=\"elementor-element elementor-element-485ec7f e-flex e-con-boxed e-con e-parent\" data-id=\"485ec7f\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3b0142b elementor-widget elementor-widget-text-editor\" data-id=\"3b0142b\" 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\t\t<p style=\"text-align: center;\"><span style=\"color: #1f3e7c;\"><em><strong>This advanced level, eleven-module series is designed for experienced HVACR technicians, or those who have completed an educational program in HVACR.\u00a0 The 446 course focuses upon introducing the HVACR technician to the utilization of CO<sub>2<\/sub> refrigerant in commercial applications. The course is not limited to one manufacturer or type of system. Emphasis is put on real-world operations and troubleshooting scenarios.<\/strong><\/em><\/span><\/p>\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\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cc02e97 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc02e97\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-fe38475\" data-id=\"fe38475\" 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-56860ec elementor-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"56860ec\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/www.cognitoforms.com\/Hvacredu1\/_446IntroductionToCO2RefrigerationSystems\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Enroll Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28dea30 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"28dea30\" 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\t\t<p style=\"text-align: left;\">(Details and price below)<\/p>\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<div class=\"elementor-element elementor-element-20172f9 e-flex e-con-boxed e-con e-parent\" data-id=\"20172f9\" 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-b7a8377 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"b7a8377\" 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\t\t<div class=\"moto-widget-text-content moto-widget-text-editable\" aria-multiline=\"true\"><span style=\"color: #1f3e7c;\"><em><span style=\"text-decoration: underline;\"><b>Modules included:<\/b><\/span><\/em><\/span><\/div><div aria-multiline=\"true\">\u00a0<\/div><div class=\"moto-widget-text-content moto-widget-text-editable\" aria-multiline=\"true\"><ul><li style=\"list-style-type: none;\"><ul><li>CO<sub>2<\/sub> Refrigeration Safety<\/li><li>CO<sub>2 <\/sub>Refrigeration Terms<\/li><li>CO<sub>2<\/sub> Properties \/ Phases of CO<sub>2<\/sub><\/li><li>CO<sub>2<\/sub> Piping<\/li><li>Leak Detection &amp; Motor Room Ventilation<\/li><li>Different Types of CO<sub>2<\/sub> Systems<\/li><li>CO<sub>2<\/sub> Components<\/li><li>CO<sub>2<\/sub> Oil Systems<\/li><li>Defrosting with CO<sub>2<\/sub><\/li><li>Pre-Startup Checks, Evacuation Pressure Testing &amp; Startup<\/li><li>CO<sub>2<\/sub> Common Operation Logic<\/li><\/ul><\/li><\/ul><\/div>\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\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-720badc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"720badc\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-d28687d\" data-id=\"d28687d\" 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-6e0bb59 elementor-widget elementor-widget-text-editor\" data-id=\"6e0bb59\" 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\t\t<p><strong>Presentation Method:<\/strong>\u00a0 Mentored, asynchronous, student self-paced (you will have 365 days access to complete the course).\u00a0 This course is delivered through web-based distance learning online, supplemented with presentations, course resources, and completion of online exams and quizzes.\u00a0<\/p><p><strong>Recommended Prerequisites:<\/strong>\u00a0This advanced course is designed for HVACR technicians, facilities managers, and commercial maintenance technicians who have already completed an educational program for HVACR and\/or have current industry work experience in the field. This course will build on your existing knowledge of HVACR fundamentals and equipment.\u00a0 It will introduce you to CO<sub>2 <\/sub>refrigerant applications and systems.<\/p>\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-39a7a11 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"39a7a11\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-33e2d6f\" data-id=\"33e2d6f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8c9db70 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8c9db70\" 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-inner-column elementor-element elementor-element-8675747\" data-id=\"8675747\" 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-fcc36de elementor-align-center elementor-widget elementor-widget-button\" data-id=\"fcc36de\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/www.cognitoforms.com\/Hvacredu1\/_446IntroductionToCO2RefrigerationSystems\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Enroll Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a79d60 elementor-widget elementor-widget-text-editor\" data-id=\"7a79d60\" 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\t\t<p style=\"text-align: center;\"><strong>Full Price:<\/strong> $1091.00<\/p>\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\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-aa81cae elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aa81cae\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-c325360\" data-id=\"c325360\" 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-a812758 elementor-widget elementor-widget-text-editor\" data-id=\"a812758\" 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\t\t<p><a href=\"http:\/\/www.hvacredu.net\/staging\/staging\/refund\/\"><em>Refund Policy<\/em><\/a><\/p>\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-30b95c2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"30b95c2\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-227a62f\" data-id=\"227a62f\" 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-a2d1576 elementor-widget elementor-widget-spacer\" data-id=\"a2d1576\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\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-ef3d0d1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ef3d0d1\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-0236025\" data-id=\"0236025\" 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-6d0a3e4 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6d0a3e4\" 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\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\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<div class=\"elementor-element elementor-element-aae2756 e-flex e-con-boxed e-con e-parent\" data-id=\"aae2756\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1956d1b elementor-widget elementor-widget-spacer\" data-id=\"1956d1b\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\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>446 &#8211; Introduction to CO2 Refrigerant Systems 33 instructional hours\u00a0 &#8211; Written by Brett Wetzel This advanced level, eleven-module series is designed for experienced HVACR technicians, or those who have completed an educational program in HVACR.\u00a0 The 446 course focuses upon introducing the HVACR technician to the utilization of CO2 refrigerant in commercial applications. 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