{"product_id":"colorado-denver-refrigeration-operator-icc-228_co_d-books-course-rental-exam-room-approved","title":"Colorado Denver Refrigeration Operator (ICC 228_CO_D) Books \u0026 Course Rental - Exam Room Approved","description":"\u003ch1 style=\"color: #d32f2f;\"\u003eColorado Denver Refrigeration Operator (ICC 228_CO_D) Books \u0026amp; Course Rental - Exam Room Approved\u003c\/h1\u003e\n\n\u003cp\u003eGet a complete, exam-ready rental bundle for the \u003cstrong\u003eColorado Denver Refrigeration Operator (ICC 228_CO_D)\u003c\/strong\u003e exam with the exact references you listed—plus a guided course to keep your preparation structured. This package is built for candidates who want the right books in hand, a clear study routine, and a practical way to train for a code-and-operations exam without purchasing every reference outright.\u003c\/p\u003e\n\n\u003cp\u003eRefrigeration operator exams are unique because they often combine code-based questions with applied system knowledge. One question may require you to confirm a mechanical code requirement. Another may be tied to electrical installation language. Another may focus on refrigeration fundamentals, equipment components, or practical operating concepts. When you’re preparing with multiple references, having the correct books and a plan that tells you what to do next makes a major difference in consistency and confidence.\u003c\/p\u003e\n\n\u003cp\u003eThis rental package is designed to help you practice the exam skill that matters most in reference-based testing: \u003cstrong\u003eidentify the topic, choose the correct reference, confirm the controlling detail, and move on with steady pacing\u003c\/strong\u003e. The included course supports your study structure so you’re not stuck guessing what to review each session.\u003c\/p\u003e\n\n\u003cdiv style=\"border: 3px solid #d32f2f; padding: 20px; margin: 25px 0; background-color: #fff7f7;\"\u003e\n  \u003ch2 style=\"color: #d32f2f; margin-top: 0;\"\u003eWhat You Get\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIncluded Rental Book(s):\u003c\/strong\u003e NFPA 70: National Electrical Code (NEC), 2014 Edition; International Mechanical Code (IMC), 2015; Modern Refrigeration and Air Conditioning, 22nd edition\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCourse Access:\u003c\/strong\u003e 6 months of course access.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePricing:\u003c\/strong\u003e $940 package price + $550 refundable deposit (Total: $1,490)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eWith your books and course access working together, you can focus on building dependable study momentum—short, repeatable sessions that improve both accuracy and speed.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eExam Details\u003c\/h2\u003e\n\u003cp\u003eThis Books \u0026amp; Course Rental package is intended to support preparation for the \u003cstrong\u003eColorado Denver Refrigeration Operator (ICC 228_CO_D)\u003c\/strong\u003e exam using the references listed on this page. Official exam specifications—such as the number of questions, time limit, passing score, exam delivery method, and testing provider—were not provided with your request, so they are not included in this section.\u003c\/p\u003e\n\n\u003cp\u003eWhat this package \u003cem\u003edoes\u003c\/em\u003e support is the practical side of exam readiness for a multi-reference refrigeration operator exam:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKnowing where to start\u003c\/strong\u003e (NEC vs. IMC vs. refrigeration textbook)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficient navigation\u003c\/strong\u003e so you can locate the right topic quickly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccurate confirmation\u003c\/strong\u003e of code language or technical concepts that control the answer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScenario application\u003c\/strong\u003e so you can apply what you confirm to the situation described\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePacing habits\u003c\/strong\u003e so one slow lookup doesn’t drain time from the rest of the exam\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eOpen Book Test\u003c\/h2\u003e\n\u003cp\u003eThis exam is an \u003cstrong\u003eopen book\u003c\/strong\u003e test. Open book becomes an advantage when you prepare for open-book performance. The goal is not to look up every question from scratch. The goal is to build a reliable routine that helps you confirm key details quickly and keep moving.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eA repeatable open-book workflow that works well for refrigeration operator testing:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLabel the topic first.\u003c\/strong\u003e Decide if the question is primarily electrical (NEC), mechanical\/code-related (IMC), or operations\/theory (refrigeration textbook).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMake the best first move.\u003c\/strong\u003e Go to the reference most likely to control the answer instead of bouncing between books.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfirm precisely.\u003c\/strong\u003e Verify the controlling language or concept and watch for conditions that change the result.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnswer and move on.\u003c\/strong\u003e Protect your pacing—confirm what matters, then keep momentum.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eWhen you practice this routine consistently, your lookups get faster, your confidence becomes steadier, and timed practice feels far more manageable.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eLicensing Steps\u003c\/h2\u003e\n\u003cp\u003eSpecific eligibility requirements, application steps, fees, and renewal rules for the Denver Refrigeration Operator credential were not provided with your request, so they are not included here. However, most candidates preparing for an exam-based credential benefit from a simple, practical preparation workflow:\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSet up your references as a working system.\u003c\/strong\u003e Keep NEC 2014, IMC 2015, and Modern Refrigeration \u0026amp; Air Conditioning together so your practice matches exam behavior.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrain “which reference first?” decisions.\u003c\/strong\u003e Many candidates lose time because they start in the wrong book. Build the habit of choosing the most likely controlling reference before searching.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStudy in short, consistent sessions.\u003c\/strong\u003e Consistency is where most improvement happens—especially when you’re building navigation skill and scenario confidence.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePractice applied questions.\u003c\/strong\u003e Operator exams often test decisions and interpretation. Practice confirming the key detail and applying it to the situation described.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse timed practice sets.\u003c\/strong\u003e Pacing is a skill. Train what “efficient confirmation” feels like under a clock.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReview misses by learning location.\u003c\/strong\u003e Find the supporting section or concept and learn where it lives so future confirmations become faster.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eThis approach helps you build a calm, repeatable system instead of relying on last-minute cramming.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eState Requirements\u003c\/h2\u003e\n\u003cp\u003eColorado\/Denver jurisdiction requirements for experience verification, applications, fees, renewals, or continuing education were not provided with your request, so they are not included in this section. This product page focuses on the exam preparation references you listed and the study structure that helps candidates prepare effectively for open-book, multi-reference testing.\u003c\/p\u003e\n\n\u003cp\u003eIn real refrigeration operations, the most reliable professionals follow the same mindset the exam rewards: recognize the issue, confirm the controlling requirement or concept, and apply it consistently. This rental package supports that habit by giving you the core references and a course-based structure for ongoing practice.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eReference Books\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNFPA 70: National Electrical Code (NEC), 2014 Edition\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eIncluded Rental Book:\u003c\/strong\u003e Electrical installation reference used to confirm wiring methods, equipment rules, and electrical code language that may appear in refrigeration operator scenarios.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternational Mechanical Code (IMC), 2015\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eIncluded Rental Book:\u003c\/strong\u003e Mechanical code reference used to confirm mechanical system requirements, installation considerations, and code-based conditions tied to refrigeration and mechanical equipment.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModern Refrigeration and Air Conditioning, 22nd edition\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eIncluded Rental Book:\u003c\/strong\u003e Refrigeration fundamentals and operations reference used to support understanding of systems, components, cycles, and applied operating concepts.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eExam Room Approved Books\u003c\/h2\u003e\n\u003cp\u003eThis package is labeled \u003cstrong\u003eExam Room Approved\u003c\/strong\u003e and includes the following exam-room-approved references:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNFPA 70: National Electrical Code (NEC), 2014 Edition\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eExam-room-approved reference for electrical installation confirmation.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternational Mechanical Code (IMC), 2015\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eExam-room-approved reference for mechanical code confirmation.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModern Refrigeration and Air Conditioning, 22nd edition\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eExam-room-approved reference for refrigeration fundamentals and operations concepts used in scenario questions.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eTest Information and Study Materials\u003c\/h2\u003e\n\u003cp\u003eFor a multi-reference refrigeration operator exam, the best results usually come from performance-based practice—training the same way you’ll test. Reading can help, but practical readiness grows fastest when you repeatedly practice: identify the topic, choose the reference, confirm the key detail, and apply it to the scenario.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e1) Train “which reference controls this?”\u003c\/strong\u003e\u003cbr\u003e\nOne of the biggest time-wasters is starting in the wrong book. Build a simple decision habit:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNEC 2014\u003c\/strong\u003e for electrical installation language, wiring rules, and equipment-related requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIMC 2015\u003c\/strong\u003e for mechanical code requirements, installation considerations, and code-driven conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModern Refrigeration \u0026amp; Air Conditioning (22nd)\u003c\/strong\u003e for refrigeration cycles, components, troubleshooting concepts, and operations knowledge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e2) Practice confirm-and-move\u003c\/strong\u003e\u003cbr\u003e\nOpen book can become a trap if you treat every question like a research project. Strong candidates narrow down likely answers first, confirm only the detail that matters, and move on. This keeps your pacing strong and helps you finish the exam with time under control.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e3) Train your eyes to spot the deciding detail\u003c\/strong\u003e\u003cbr\u003e\nMany questions are decided by conditions. Code questions often hinge on small words that change the rule (conditions, exceptions, and scope triggers). Operations questions often hinge on conditions that change system behavior. During practice sessions, train yourself to look for the detail that changes the outcome before you finalize your answer.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e4) Use scenario practice like an operator\u003c\/strong\u003e\u003cbr\u003e\nRefrigeration operator questions often describe a system situation and ask what is correct, required, or safest. Practice using a consistent workflow:\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eIdentify the issue in plain language\u003c\/li\u003e\n  \u003cli\u003eChoose the most likely controlling reference\u003c\/li\u003e\n  \u003cli\u003eLocate the relevant section or concept\u003c\/li\u003e\n  \u003cli\u003eConfirm the key detail\u003c\/li\u003e\n  \u003cli\u003eApply it to the scenario without adding assumptions\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003e5) Build a weekly routine you can maintain\u003c\/strong\u003e\u003cbr\u003e\nConsistency beats cramming. A practical rhythm for open-book, multi-reference prep:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSession 1:\u003c\/strong\u003e Navigation drills across NEC, IMC, and textbook topics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSession 2:\u003c\/strong\u003e Scenario practice (choose the controlling reference → confirm → apply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSession 3:\u003c\/strong\u003e Timed set (pacing + controlled confirmations)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSession 4:\u003c\/strong\u003e Review misses by locating the exact supporting sections\/concepts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e6) Review misses by learning location\u003c\/strong\u003e\u003cbr\u003e\nWhen you miss a question, don’t just record the correct answer—find where the supporting section or concept lives and learn that location. Over time, you build “memory of location,” which improves speed and confidence in open-book testing.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow 1 Exam Prep Helps You Reach Your Goal\u003c\/h2\u003e\n\u003cp\u003e1 Exam Prep supports your ICC 228_CO_D goal with organized study guidance and practice-focused preparation built for open-book, multi-reference exams. Instead of studying randomly, you build a repeatable system that helps you recognize what a question is testing, choose the correct reference efficiently, confirm key details accurately, and maintain steady pacing through realistic practice.\u003c\/p\u003e\n\n\u003cp\u003eThis approach is designed for real-world operators and code users: structured study, consistent repetition, and confidence-building practice—without guaranteeing exam outcomes or results.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eFAQ: What is included in this Books \u0026amp; Course Rental package?\u003c\/h2\u003e\n\u003cp\u003eThis package includes rentals of NEC 2014, IMC 2015, and Modern Refrigeration and Air Conditioning (22nd edition), plus \u003cstrong\u003e6 months of course access\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eFAQ: What is the total cost and what part is refundable?\u003c\/h2\u003e\n\u003cp\u003eThe package price is \u003cstrong\u003e$940\u003c\/strong\u003e plus a \u003cstrong\u003e$550 refundable deposit\u003c\/strong\u003e, for a total due of \u003cstrong\u003e$1,490\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eFAQ: Which books are exam-room approved in this package?\u003c\/h2\u003e\n\u003cp\u003eThe exam-room-approved references included are NEC 2014, IMC 2015, and Modern Refrigeration and Air Conditioning (22nd edition), as listed in the Exam Room Approved Books section.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eFAQ: How should I study for a multi-reference, open-book exam?\u003c\/h2\u003e\n\u003cp\u003eUse a repeatable routine: identify the topic, choose the correct reference first, confirm the key detail, then move on. Add timed practice sets to build steady pacing and reduce time lost searching.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eFAQ: Does this page include official exam specs or licensing rules?\u003c\/h2\u003e\n\u003cp\u003eNo. Official exam specifications and jurisdiction administrative requirements were not provided with your request, so they are not included here.\u003c\/p\u003e\n\n","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":45907947847737,"sku":null,"price":1490.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/CA-DenverRefrigerationOperator_ICC228_C-RENTAL.jpg?v=1780508298","url":"https:\/\/1examprep.com\/products\/colorado-denver-refrigeration-operator-icc-228_co_d-books-course-rental-exam-room-approved","provider":"1 Exam Prep","version":"1.0","type":"link"}