{"id":41701,"date":"2025-06-23T15:24:28","date_gmt":"2025-06-23T22:24:28","guid":{"rendered":"https:\/\/www.hvacredu.net\/staging\/?post_type=product&#038;p=41701"},"modified":"2025-07-10T17:23:53","modified_gmt":"2025-07-11T00:23:53","slug":"introduction-to-co2-refrigerant-systems","status":"publish","type":"product","link":"https:\/\/www.hvacredu.net\/staging\/shop\/introduction-to-co2-refrigerant-systems\/","title":{"rendered":"Introduction to CO2 Refrigerant Systems"},"content":{"rendered":"<p class=\"ai-optimize-33 ai-optimize-introduction\">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>\u00a0refrigerant 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.<\/p>\n<p class=\"ai-optimize-34\"><strong>Modules included:<\/strong><\/p>\n<ul>\n<li class=\"ai-optimize-35\">CO<sub>2<\/sub>\u00a0Refrigeration Safety<\/li>\n<li class=\"ai-optimize-36\">CO<sub>2\u00a0<\/sub>Refrigeration Terms<\/li>\n<li class=\"ai-optimize-37\">CO<sub>2<\/sub>\u00a0Properties \/ Phases of CO<sub>2<\/sub><\/li>\n<li class=\"ai-optimize-38\">CO<sub>2<\/sub>\u00a0Piping<\/li>\n<li class=\"ai-optimize-39\">Leak Detection &amp; Motor Room Ventilation<\/li>\n<li class=\"ai-optimize-40\">Different Types of CO<sub>2<\/sub>\u00a0Systems<\/li>\n<li class=\"ai-optimize-41\">CO<sub>2<\/sub>\u00a0Components<\/li>\n<li class=\"ai-optimize-42\">CO<sub>2<\/sub>\u00a0Oil Systems<\/li>\n<li class=\"ai-optimize-43\">Defrosting with CO<sub>2<\/sub><\/li>\n<li class=\"ai-optimize-44\">Pre-Startup Checks, Evacuation Pressure Testing &amp; Startup<\/li>\n<li class=\"ai-optimize-45\">CO<sub>2<\/sub>\u00a0Common Operation Logic<\/li>\n<\/ul>\n<p class=\"ai-optimize-47\"><i><font color=\"#c20000\">Recommended Prerequisites:\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\u00a0<\/sub>refrigerant applications and systems.<\/font><\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"ai-optimize-introduction ai-optimize-13\">This course focuses upon introducing the HVACR technician to the utilization of CO2\u00a0refrigerant in commercial applications.<\/p>\n","protected":false},"featured_media":41702,"template":"","meta":[],"product_brand":[],"product_cat":[146,128,118],"product_tag":[],"class_list":{"0":"post-41701","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-air-conditioning-courses","7":"product_cat-individual-training-courses","8":"product_cat-refrigeration-courses","10":"first","11":"instock","12":"downloadable","13":"virtual","14":"taxable","15":"purchasable","16":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.2 (Yoast SEO v27.7) - 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