{"product_id":"washington-dc-master-a-c-refrigeration-mechanical-unlimited-online-exam-prep","title":"Washington DC Master A\/C \u0026 Refrigeration Mechanical Unlimited Contractor - Online Exam Prep Course","description":"\u003ch1 style=\"text-align:center; color:#000;\"\u003eWASHINGTON DC MASTER A\/C \u0026amp; REFRIGERATION MECHANICAL UNLIMITED CONTRACTOR - ONLINE EXAM PREP COURSE\u003c\/h1\u003e\u003cp style=\"text-align:center;\"\u003eThe Washington D.C. Master A\/C \u0026amp; Refrigeration Mechanical Unlimited Contractor Online Exam Prep Course by Contractor Exam Preps provides candidates with the required study materials and guidance to prepare for the D.C. Department of Licensing mechanical contractor examination. This course covers essential HVACR principles, including air conditioning design, refrigeration systems, ventilation, heating, gas piping, and mechanical code compliance, in alignment with DCRA standards. It emphasizes topics from the International Mechanical Code (IMC), the Uniform Mechanical Code (UMC), and related sections of the National Electrical Code (NEC). The prep aligns with trade knowledge required for Master-level mechanical certification and includes practice exams reflecting PSI testing standards. Designed for HVAC professionals seeking licensure in Washington D.C., this training supports mastery of mechanical systems design, load calculations, and refrigeration cycle theory under the mechanical unlimited contractor scope.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560px\" height=\"215px\" src=\"https:\/\/www.youtube.com\/embed\/OdeMf17B7mE?controls=0\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eGet one \u003cnobr\u003estep\u003c\/nobr\u003e closer to becoming a Washington DC Master A\/C \u0026amp; Refrigeration Mechanical Unlimited Contractor\u003cspan\u003e \u003c\/span\u003ewith a prep course designed by Contractor Exam Preps to help you conquer the required\u003cspan\u003e \u003c\/span\u003eexamination.\u003c\/p\u003e\n\u003cp\u003eUse the \u003cnobr\u003e\u003c\/nobr\u003e\u003cnobr\u003eonline\u003c\/nobr\u003e course structure to tailor your prep to your individual learning style. You’ll have a full year of \u003cnobr\u003e\u003c\/nobr\u003e\u003cnobr\u003eaccess\u003c\/nobr\u003e to the online course.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTest-taking techniques\u003c\/li\u003e\n\u003cli\u003eHighlights and Tabs locations for all reference materials\u003c\/li\u003e\n\u003cli\u003ePractice questions in printable pdf format \u003c\/li\u003e\n\u003cli\u003e1 year of online \u003cnobr\u003eaccess\u003c\/nobr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cnobr\u003eAndroid\u003c\/nobr\u003e and iOS \u003cnobr\u003eCompatible\u003c\/nobr\u003e - \u003cnobr\u003eComplete\u003c\/nobr\u003e the course on your phone, anytime or anywhere.\u003c\/p\u003e","brand":"Contractor Exam Preps","offers":[{"title":"Default Title","offer_id":45017498681397,"sku":"4946368-A","price":196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2522\/1688\/files\/online_course_generic_large_48cec63d-65c8-43b1-a074-265a0688aa85.png?v=1772211997","url":"https:\/\/contractorexampreps.com\/products\/washington-dc-master-a-c-refrigeration-mechanical-unlimited-online-exam-prep","provider":"Contractor Exam Preps","version":"1.0","type":"link"}