{"id":42038,"date":"2025-06-25T08:51:14","date_gmt":"2025-06-25T15:51:14","guid":{"rendered":"https:\/\/www.hvacredu.net\/staging\/?post_type=product&#038;p=42038"},"modified":"2025-08-08T09:23:18","modified_gmt":"2025-08-08T16:23:18","slug":"442-commercial-refrigeration-ii","status":"publish","type":"product","link":"https:\/\/www.hvacredu.net\/staging\/shop\/442-commercial-refrigeration-ii\/","title":{"rendered":"442 Commercial Refrigeration II"},"content":{"rendered":"<p class=\"ai-optimize-32 ai-optimize-introduction\"><i>Written by Dick Wirz\u00a0 \u00a0 (18 Instructional hours \/ 365 days to complete)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Advanced<\/i><\/p>\n<p class=\"ai-optimize-34\">This course is a continuation of 441 HVACR Commercial Refrigeration I.\u00a0 Again, we will compare things you\u2019re already familiar with like basic AC systems to those of commercial refrigeration systems.\u00a0 We will examine compressor motor controls, retrofitting, recovery, evacuation, and charging; various supermarket refrigeration systems, walk-in refrigerators and freezers, and commercial ice machines so you can identify the components, their functions, and the refrigerants belonging with each application.\u00a0 After you\u2019ve got a good understanding of the equipment, we\u2019ll explore appropriate temperatures for products kept in that equipment.\u00a0 And finally, you will understand when to apply TROT in the absence of a manufacturer\u2019s recommendation.\u00a0 This course is divided into these learning modules:<\/p>\n<ul>\n<li class=\"ai-optimize-35\">Compressor Motor Controls<\/li>\n<li class=\"ai-optimize-36\">Retrofitting, Recovery, Evacuation, and Charging<\/li>\n<li class=\"ai-optimize-37\">Supermarket Refrigeration<\/li>\n<li class=\"ai-optimize-38\">Walk-in Refrigerators and Freezers<\/li>\n<li class=\"ai-optimize-39\">Ice Machines<\/li>\n<li class=\"ai-optimize-40\">Product Temperatures for Preservation and Health \u2013 Refrigeration Business Tips<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p class=\"ai-optimize-41\">Required Textbok not included with individule course sale:Cengage: Commercial Refrigeration for Air Conditioning Technicians, 3rd Edition ISBN 978-1305506435<\/p>\n<p class=\"ai-optimize-42\"><font color=\"#c20000\"><i>Each course purchase allows 365 days enrollment to complete. Must obtain a 70% or higher to obtain CEU recognition. The course provides you with a Subject Matter Expert (mentor) to assist with questions and all course materials for the duration of the course.<\/i><\/font><\/p>\n<p class=\"ai-optimize-43\"><strong>Textbook Reference:<\/strong>\u00a0<a href=\"https:\/\/hvacrassets.net\/Textbook\/TextbookPage081021.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/www.hvacrassets.net\/Textbook\/TextbookPage081021.pdf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"ai-optimize-13\"><i> (18 Instructional hours \/ 365 days to complete)\u00a0<\/i><\/p>\n<p class=\"ai-optimize-13\">Course examines compressor motor controls, retrofitting, recovery, evacuation, charging, walk-in refrigerators and freezers, and commercial ice machines.<\/p>\n","protected":false},"featured_media":42039,"template":"","meta":[],"product_brand":[],"product_cat":[128,118],"product_tag":[],"class_list":{"0":"post-42038","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-individual-training-courses","7":"product_cat-refrigeration-courses","9":"first","10":"instock","11":"downloadable","12":"virtual","13":"taxable","14":"purchasable","15":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.2 (Yoast SEO v25.8) - 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