{"product_id":"delaware-master-hvacr-restricted-refrigeration-contractor-exam-online-exam-prep-copy","title":"Delaware Master HVACR Restricted Refrigeration Contractor Exam - Online Exam Prep","description":"\u003cp data-start=\"85\" data-end=\"347\"\u003eThe Delaware Master HVACR Restricted Refrigeration Contractor Exam Online Exam Prep from 1 Exam Prep is a comprehensive online training program developed to help candidates prepare for the Delaware Master HVACR Restricted Refrigeration Contractor licensing exam.\u003c\/p\u003e\n\u003cp data-start=\"349\" data-end=\"625\"\u003eThis exam prep course focuses on key refrigeration and HVACR concepts such as refrigeration system operation, cooling equipment, compressors, electrical controls, troubleshooting procedures, mechanical code requirements, and code book navigation used during PSI-based testing.\u003c\/p\u003e\n\u003cp data-start=\"627\" data-end=\"1016\"\u003eDesigned for flexible self-paced study, the program includes practice questions, exam-focused instruction, and open-book navigation strategies intended to improve technical understanding, strengthen familiarity with the International Mechanical Code and refrigeration reference materials, and support candidates pursuing Delaware Master HVACR Restricted Refrigeration Contractor licensing.\u003c\/p\u003e\n\u003ch1 data-section-id=\"phpnzt\" data-start=\"1018\" data-end=\"1038\"\u003e📚 What’s Included\u003c\/h1\u003e\n\u003cp data-start=\"1040\" data-end=\"1126\"\u003e✅ Complete Delaware Master HVACR Restricted Refrigeration Contractor Exam Prep Program\u003c\/p\u003e\n\u003cul data-start=\"1128\" data-end=\"1285\"\u003e\n\u003cli data-section-id=\"1jyrhw7\" data-start=\"1128\" data-end=\"1285\"\u003eA comprehensive, easy-to-follow online training system built around the official Delaware Master HVACR Restricted Refrigeration Contractor exam references.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1287\" data-end=\"1342\"\u003eIncluded Exam Reference Materials Covered in the Course\u003c\/p\u003e\n\u003cul data-start=\"1344\" data-end=\"1667\"\u003e\n\u003cli data-section-id=\"st9439\" data-start=\"1344\" data-end=\"1387\"\u003eInternational Mechanical Code (IMC), 2018\u003c\/li\u003e\n\u003cli data-section-id=\"1a957z4\" data-start=\"1388\" data-end=\"1445\"\u003eModern Refrigeration and Air Conditioning, 22nd Edition\u003c\/li\u003e\n\u003cli data-section-id=\"19im62r\" data-start=\"1447\" data-end=\"1667\"\u003eThis course is specifically designed to help you understand both the refrigeration theory and mechanical code requirements necessary to pass the Delaware Master HVACR Restricted Refrigeration Contractor licensing exam.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"3cojuu\" data-start=\"1669\" data-end=\"1708\"\u003e📖 Open-Book Exam Navigation Training\u003c\/h1\u003e\n\u003cul data-start=\"1710\" data-end=\"1874\"\u003e\n\u003cli data-section-id=\"zukczh\" data-start=\"1710\" data-end=\"1874\"\u003ePassing a Delaware open-book refrigeration contractor exam is not just about knowing the material—it’s about knowing how to quickly locate answers under pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1876\" data-end=\"1900\"\u003eThis course teaches you:\u003c\/p\u003e\n\u003cul data-start=\"1902\" data-end=\"2213\"\u003e\n\u003cli data-section-id=\"ch30nl\" data-start=\"1902\" data-end=\"1954\"\u003eHow to properly tab your books for fast navigation\u003c\/li\u003e\n\u003cli data-section-id=\"tefr3q\" data-start=\"1955\" data-end=\"2026\"\u003eHow to highlight important code sections and refrigeration references\u003c\/li\u003e\n\u003cli data-section-id=\"qyxpnh\" data-start=\"2027\" data-end=\"2079\"\u003eHow to efficiently use indexes, tables, and charts\u003c\/li\u003e\n\u003cli data-section-id=\"kb6tau\" data-start=\"2080\" data-end=\"2147\"\u003eProven techniques for locating answers quickly during timed exams\u003c\/li\u003e\n\u003cli data-section-id=\"143k7uq\" data-start=\"2148\" data-end=\"2213\"\u003eTime-saving methods used by successful Delaware exam candidates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"owq51i\" data-start=\"2215\" data-end=\"2266\"\u003e❄️ Refrigeration Systems \u0026amp; Mechanical Code Review\u003c\/h1\u003e\n\u003cul data-start=\"2268\" data-end=\"2405\"\u003e\n\u003cli data-section-id=\"bjh0zo\" data-start=\"2268\" data-end=\"2405\"\u003eThe course covers the major systems and topics tested on the Delaware Master HVACR Restricted Refrigeration Contractor exam, including:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2407\" data-end=\"2433\"\u003eRefrigeration Fundamentals\u003c\/p\u003e\n\u003cul data-start=\"2435\" data-end=\"2716\"\u003e\n\u003cli data-section-id=\"wkzf1n\" data-start=\"2435\" data-end=\"2469\"\u003eRefrigeration cycle fundamentals\u003c\/li\u003e\n\u003cli data-section-id=\"185j0bi\" data-start=\"2470\" data-end=\"2496\"\u003eHeat transfer principles\u003c\/li\u003e\n\u003cli data-section-id=\"fp4upd\" data-start=\"2497\" data-end=\"2525\"\u003eCompressors and condensers\u003c\/li\u003e\n\u003cli data-section-id=\"zffgh3\" data-start=\"2526\" data-end=\"2560\"\u003eEvaporators and metering devices\u003c\/li\u003e\n\u003cli data-section-id=\"kt6i9v\" data-start=\"2561\" data-end=\"2603\"\u003eRefrigerant characteristics and handling\u003c\/li\u003e\n\u003cli data-section-id=\"1t7es0t\" data-start=\"2604\" data-end=\"2644\"\u003ePressure and temperature relationships\u003c\/li\u003e\n\u003cli data-section-id=\"16qmcrj\" data-start=\"2645\" data-end=\"2677\"\u003eRefrigeration system operation\u003c\/li\u003e\n\u003cli data-section-id=\"1p7g1mm\" data-start=\"2678\" data-end=\"2716\"\u003eRefrigeration troubleshooting basics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2718\" data-end=\"2744\"\u003eMechanical Code Compliance\u003c\/p\u003e\n\u003cul data-start=\"2746\" data-end=\"3063\"\u003e\n\u003cli data-section-id=\"9klstv\" data-start=\"2746\" data-end=\"2784\"\u003eMechanical installation requirements\u003c\/li\u003e\n\u003cli data-section-id=\"167zxxp\" data-start=\"2785\" data-end=\"2820\"\u003eRefrigeration equipment standards\u003c\/li\u003e\n\u003cli data-section-id=\"1xdzniw\" data-start=\"2821\" data-end=\"2859\"\u003eVentilation and exhaust requirements\u003c\/li\u003e\n\u003cli data-section-id=\"93f1a6\" data-start=\"2860\" data-end=\"2903\"\u003eEquipment clearances and safety standards\u003c\/li\u003e\n\u003cli data-section-id=\"12ejw2d\" data-start=\"2904\" data-end=\"2937\"\u003eMechanical inspection standards\u003c\/li\u003e\n\u003cli data-section-id=\"16h5mc7\" data-start=\"2938\" data-end=\"2982\"\u003eCommercial refrigeration code applications\u003c\/li\u003e\n\u003cli data-section-id=\"dunkq2\" data-start=\"2983\" data-end=\"3018\"\u003eRefrigeration piping requirements\u003c\/li\u003e\n\u003cli data-section-id=\"muxw33\" data-start=\"3019\" data-end=\"3063\"\u003eCode-compliant refrigeration installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3065\" data-end=\"3099\"\u003eRefrigeration Equipment \u0026amp; Controls\u003c\/p\u003e\n\u003cul data-start=\"3101\" data-end=\"3347\"\u003e\n\u003cli data-section-id=\"1xujv2d\" data-start=\"3101\" data-end=\"3135\"\u003eCommercial refrigeration systems\u003c\/li\u003e\n\u003cli data-section-id=\"w8aqjd\" data-start=\"3136\" data-end=\"3166\"\u003eWalk-in coolers and freezers\u003c\/li\u003e\n\u003cli data-section-id=\"1dy2hrp\" data-start=\"3167\" data-end=\"3202\"\u003eRefrigeration electrical controls\u003c\/li\u003e\n\u003cli data-section-id=\"8yf2j2\" data-start=\"3203\" data-end=\"3228\"\u003eThermostats and sensors\u003c\/li\u003e\n\u003cli data-section-id=\"1mrobc3\" data-start=\"3229\" data-end=\"3246\"\u003eDefrost systems\u003c\/li\u003e\n\u003cli data-section-id=\"17gqh53\" data-start=\"3247\" data-end=\"3278\"\u003eRefrigeration safety controls\u003c\/li\u003e\n\u003cli data-section-id=\"qncor8\" data-start=\"3279\" data-end=\"3308\"\u003eHVACR electrical components\u003c\/li\u003e\n\u003cli data-section-id=\"1brhgbw\" data-start=\"3309\" data-end=\"3347\"\u003eRefrigeration maintenance procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3349\" data-end=\"3385\"\u003eSystem Diagnostics \u0026amp; Troubleshooting\u003c\/p\u003e\n\u003cul data-start=\"3387\" data-end=\"3643\"\u003e\n\u003cli data-section-id=\"vmgnrv\" data-start=\"3387\" data-end=\"3426\"\u003eRefrigeration troubleshooting methods\u003c\/li\u003e\n\u003cli data-section-id=\"9tmy87\" data-start=\"3427\" data-end=\"3456\"\u003eSystem performance analysis\u003c\/li\u003e\n\u003cli data-section-id=\"1ql1ml5\" data-start=\"3457\" data-end=\"3479\"\u003ePressure diagnostics\u003c\/li\u003e\n\u003cli data-section-id=\"1god29s\" data-start=\"3480\" data-end=\"3519\"\u003eElectrical troubleshooting procedures\u003c\/li\u003e\n\u003cli data-section-id=\"s4lciz\" data-start=\"3520\" data-end=\"3548\"\u003eCompressor troubleshooting\u003c\/li\u003e\n\u003cli data-section-id=\"16uongv\" data-start=\"3549\" data-end=\"3579\"\u003eRefrigerant flow diagnostics\u003c\/li\u003e\n\u003cli data-section-id=\"1stknyq\" data-start=\"3580\" data-end=\"3611\"\u003eMechanical system diagnostics\u003c\/li\u003e\n\u003cli data-section-id=\"1dae0t\" data-start=\"3612\" data-end=\"3643\"\u003eService and repair procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3645\" data-end=\"3663\"\u003eHVACR Fundamentals\u003c\/p\u003e\n\u003cul data-start=\"3665\" data-end=\"3892\"\u003e\n\u003cli data-section-id=\"1vdrpwe\" data-start=\"3665\" data-end=\"3694\"\u003eBasic HVAC system operation\u003c\/li\u003e\n\u003cli data-section-id=\"1e1pv2s\" data-start=\"3695\" data-end=\"3717\"\u003eAirflow fundamentals\u003c\/li\u003e\n\u003cli data-section-id=\"b559g2\" data-start=\"3718\" data-end=\"3744\"\u003eElectrical theory basics\u003c\/li\u003e\n\u003cli data-section-id=\"5pkure\" data-start=\"3745\" data-end=\"3775\"\u003eMechanical system components\u003c\/li\u003e\n\u003cli data-section-id=\"17zf0po\" data-start=\"3776\" data-end=\"3800\"\u003eVentilation principles\u003c\/li\u003e\n\u003cli data-section-id=\"c725jb\" data-start=\"3801\" data-end=\"3831\"\u003eHeating and cooling concepts\u003c\/li\u003e\n\u003cli data-section-id=\"1roi5o7\" data-start=\"3832\" data-end=\"3865\"\u003eEquipment maintenance practices\u003c\/li\u003e\n\u003cli data-section-id=\"zuxc5h\" data-start=\"3866\" data-end=\"3892\"\u003eHVACR service procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"x14m49\" data-start=\"3894\" data-end=\"3961\"\u003e🏗️ Delaware Refrigeration Contractor Practices \u0026amp; Code Compliance\u003c\/h1\u003e\n\u003cul data-start=\"3963\" data-end=\"4430\"\u003e\n\u003cli data-section-id=\"125fctl\" data-start=\"3963\" data-end=\"4126\"\u003eGain a working understanding of the refrigeration practices commonly referenced on the Delaware Master HVACR Restricted Refrigeration Contractor exam, including:\u003c\/li\u003e\n\u003cli data-section-id=\"1jk175m\" data-start=\"4128\" data-end=\"4171\"\u003eRefrigeration system installation methods\u003c\/li\u003e\n\u003cli data-section-id=\"gjl71p\" data-start=\"4172\" data-end=\"4205\"\u003eMechanical inspection readiness\u003c\/li\u003e\n\u003cli data-section-id=\"q0x9ei\" data-start=\"4206\" data-end=\"4245\"\u003eCommercial refrigeration applications\u003c\/li\u003e\n\u003cli data-section-id=\"1s8koq1\" data-start=\"4246\" data-end=\"4288\"\u003eRefrigeration troubleshooting procedures\u003c\/li\u003e\n\u003cli data-section-id=\"1l6zn7\" data-start=\"4289\" data-end=\"4328\"\u003eCode-compliant installation practices\u003c\/li\u003e\n\u003cli data-section-id=\"r5eeii\" data-start=\"4329\" data-end=\"4366\"\u003eRefrigeration maintenance standards\u003c\/li\u003e\n\u003cli data-section-id=\"zuxc5h\" data-start=\"4367\" data-end=\"4393\"\u003eHVACR service procedures\u003c\/li\u003e\n\u003cli data-section-id=\"1776cyn\" data-start=\"4394\" data-end=\"4430\"\u003eMechanical code compliance methods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"jnvs3b\" data-start=\"4432\" data-end=\"4463\"\u003e⚠️ Safety \u0026amp; Jobsite Practices\u003c\/h1\u003e\n\u003cul data-start=\"4465\" data-end=\"4582\"\u003e\n\u003cli data-section-id=\"13l1ny9\" data-start=\"4465\" data-end=\"4582\"\u003eUnderstand safe jobsite procedures and industry-standard safety practices critical to refrigeration and HVACR work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4584\" data-end=\"4599\"\u003eTopics include:\u003c\/p\u003e\n\u003cul data-start=\"4601\" data-end=\"4862\"\u003e\n\u003cli data-section-id=\"1owldko\" data-start=\"4601\" data-end=\"4633\"\u003eRefrigeration safety awareness\u003c\/li\u003e\n\u003cli data-section-id=\"g531nt\" data-start=\"4634\" data-end=\"4663\"\u003eElectrical hazard awareness\u003c\/li\u003e\n\u003cli data-section-id=\"1ar4osa\" data-start=\"4664\" data-end=\"4693\"\u003eRefrigerant handling safety\u003c\/li\u003e\n\u003cli data-section-id=\"1yld8qd\" data-start=\"4694\" data-end=\"4723\"\u003eMechanical equipment safety\u003c\/li\u003e\n\u003cli data-section-id=\"v02f0e\" data-start=\"4724\" data-end=\"4757\"\u003eProper tool and equipment usage\u003c\/li\u003e\n\u003cli data-section-id=\"1r4pj4h\" data-start=\"4758\" data-end=\"4788\"\u003eWorkplace hazard recognition\u003c\/li\u003e\n\u003cli data-section-id=\"mmhmvb\" data-start=\"4789\" data-end=\"4822\"\u003ePressure system safety concepts\u003c\/li\u003e\n\u003cli data-section-id=\"1ed7p3r\" data-start=\"4823\" data-end=\"4862\"\u003eGeneral construction safety practices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"16be3b9\" data-start=\"4864\" data-end=\"4893\"\u003e📝 Simulated Practice Exams\u003c\/h1\u003e\n\u003cul data-start=\"4895\" data-end=\"5030\"\u003e\n\u003cli data-section-id=\"1vidl3k\" data-start=\"4895\" data-end=\"5030\"\u003ePrepare with realistic practice exams designed to simulate the actual Delaware refrigeration contractor licensing testing experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5032\" data-end=\"5041\"\u003eIncludes:\u003c\/p\u003e\n\u003cul data-start=\"5043\" data-end=\"5379\"\u003e\n\u003cli data-section-id=\"14jhdc0\" data-start=\"5043\" data-end=\"5065\"\u003eTimed practice exams\u003c\/li\u003e\n\u003cli data-section-id=\"10g7c8j\" data-start=\"5066\" data-end=\"5093\"\u003eMechanical code questions\u003c\/li\u003e\n\u003cli data-section-id=\"13prks2\" data-start=\"5094\" data-end=\"5135\"\u003eRefrigeration troubleshooting exercises\u003c\/li\u003e\n\u003cli data-section-id=\"owocji\" data-start=\"5136\" data-end=\"5165\"\u003eOpen-book navigation drills\u003c\/li\u003e\n\u003cli data-section-id=\"6n7k2s\" data-start=\"5166\" data-end=\"5196\"\u003eDetailed answer explanations\u003c\/li\u003e\n\u003cli data-section-id=\"j5wtmm\" data-start=\"5197\" data-end=\"5238\"\u003eSpeed and confidence-building exercises\u003c\/li\u003e\n\u003cli data-section-id=\"133evo3\" data-start=\"5240\" data-end=\"5379\"\u003eThese exercises help improve both your technical understanding and your ability to quickly locate answers within the approved references.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"sx4v3x\" data-start=\"5381\" data-end=\"5415\"\u003e🎯 Proven Test-Taking Strategies\u003c\/h1\u003e\n\u003cul data-start=\"5417\" data-end=\"5522\"\u003e\n\u003cli data-section-id=\"d1w3bv\" data-start=\"5417\" data-end=\"5522\"\u003eLearn practical strategies designed specifically for Delaware open-book refrigeration contractor exams.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5524\" data-end=\"5539\"\u003eTopics include:\u003c\/p\u003e\n\u003cul data-start=\"5541\" data-end=\"5801\"\u003e\n\u003cli data-section-id=\"1z8ch4\" data-start=\"5541\" data-end=\"5589\"\u003eTime management techniques for open-book exams\u003c\/li\u003e\n\u003cli data-section-id=\"gpktbb\" data-start=\"5590\" data-end=\"5643\"\u003eHow to break down technical refrigeration questions\u003c\/li\u003e\n\u003cli data-section-id=\"17mtbef\" data-start=\"5644\" data-end=\"5692\"\u003eWhen to rely on memory versus code book lookup\u003c\/li\u003e\n\u003cli data-section-id=\"16ko5q7\" data-start=\"5693\" data-end=\"5735\"\u003eCommon mistakes to avoid during the exam\u003c\/li\u003e\n\u003cli data-section-id=\"niqopk\" data-start=\"5736\" data-end=\"5801\"\u003eStrategies for improving speed and accuracy under time pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"13bpg18\" data-start=\"5803\" data-end=\"5820\"\u003e⏳ Course Access\u003c\/h1\u003e\n\u003cul data-start=\"5822\" data-end=\"6025\"\u003e\n\u003cli data-section-id=\"m7ij70\" data-start=\"5822\" data-end=\"5854\"\u003e6 Months of Full Online Access\u003c\/li\u003e\n\u003cli data-section-id=\"yw1sqc\" data-start=\"5855\" data-end=\"5899\"\u003eStudy anytime, anywhere, at your own pace.\u003c\/li\u003e\n\u003cli data-section-id=\"16xoif3\" data-start=\"5900\" data-end=\"6025\"\u003ePerfect for working refrigeration and HVACR professionals balancing exam preparation with full-time field responsibilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"1fcc6wc\" data-start=\"6027\" data-end=\"6052\"\u003e✅ Why This Course Works\u003c\/h1\u003e\n\u003cul data-start=\"6054\" data-end=\"6238\"\u003e\n\u003cli data-section-id=\"vrgywx\" data-start=\"6054\" data-end=\"6238\"\u003eThis isn’t just a general refrigeration course—it’s a focused exam prep system specifically built around the Delaware Master HVACR Restricted Refrigeration Contractor licensing exam.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"6240\" data-end=\"6253\"\u003eBy combining:\u003c\/p\u003e\n\u003cul data-start=\"6255\" data-end=\"6559\"\u003e\n\u003cli data-section-id=\"b388bb\" data-start=\"6255\" data-end=\"6285\"\u003eOpen-book navigation mastery\u003c\/li\u003e\n\u003cli data-section-id=\"16eeu52\" data-start=\"6286\" data-end=\"6315\"\u003eMechanical code instruction\u003c\/li\u003e\n\u003cli data-section-id=\"vwl3dv\" data-start=\"6316\" data-end=\"6346\"\u003eRefrigeration systems review\u003c\/li\u003e\n\u003cli data-section-id=\"10gdugu\" data-start=\"6347\" data-end=\"6379\"\u003eHVACR troubleshooting training\u003c\/li\u003e\n\u003cli data-section-id=\"t0l225\" data-start=\"6380\" data-end=\"6412\"\u003eEquipment diagnostics practice\u003c\/li\u003e\n\u003cli data-section-id=\"14c09vz\" data-start=\"6413\" data-end=\"6439\"\u003eRealistic practice exams\u003c\/li\u003e\n\u003cli data-section-id=\"148douf\" data-start=\"6440\" data-end=\"6471\"\u003eProven exam-taking strategies\u003c\/li\u003e\n\u003cli data-section-id=\"u1z697\" data-start=\"6473\" data-end=\"6559\"\u003e…this course helps improve your chances of passing the exam quickly and confidently.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"1tko2h1\" data-start=\"6561\" data-end=\"6585\"\u003e🚀 Get Licensed Faster\u003c\/h1\u003e\n\u003cul data-start=\"6587\" data-end=\"6957\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"gyc4j4\" data-start=\"6587\" data-end=\"6771\"\u003eIf you’re serious about becoming a licensed Delaware Master HVACR Restricted Refrigeration Contractor, this course gives you the roadmap, structure, and confidence needed to succeed.\u003c\/li\u003e\n\u003cli data-section-id=\"1h63ytk\" data-start=\"6773\" data-end=\"6957\" data-is-last-node=\"\"\u003eGet your Delaware Master HVACR Restricted Refrigeration Contractor Online Exam Prep Course today and take the next step toward earning your Delaware refrigeration contractor license.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":45872617062457,"sku":null,"price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/DW-MasterHVACRRefrigeration-course.jpg?v=1779825445","url":"https:\/\/1examprep.com\/products\/delaware-master-hvacr-restricted-refrigeration-contractor-exam-online-exam-prep-copy","provider":"1 Exam Prep","version":"1.0","type":"link"}