{"product_id":"delaware-master-hvacr-restricted-refrigeration-contractor-exam-book-package","title":"Delaware Master HVACR Restricted Refrigeration Contractor Exam Book Package","description":"\u003cdiv class=\"flex h-svh w-screen flex-col\"\u003e\n\u003cdiv class=\"relative z-0 flex min-h-0 w-full flex-1\"\u003e\n\u003cdiv class=\"relative flex min-h-0 w-full flex-1\"\u003e\n\u003cdiv class=\"@container\/main relative flex min-w-0 flex-1 flex-col -translate-y-[calc(env(safe-area-inset-bottom,0px)\/2)] pt-[calc(env(safe-area-inset-bottom,0px)\/2)]\"\u003e\n\u003cdiv data-scroll-from-top=\"\" class=\"@w-sm\/main:[scrollbar-gutter:var(--stage-scroll-gutter)] touch:[scrollbar-width:none] group\/scroll-root relative flex min-h-0 min-w-0 flex-1 flex-col [scrollbar-gutter:stable] not-print:overflow-x-clip not-print:overflow-y-auto group-data-stream-active\/scroll-root:[overflow-anchor:none] scroll-pt-(--header-height) [--sticky-padding-top:var(--header-height)] [--sticky-padding-bottom:0px] [--scroll-root-safe-area-inset-top:calc(var(--sticky-padding-top)+env(safe-area-inset-top,0px))] [--scroll-root-safe-area-inset-bottom:calc(var(--sticky-padding-bottom)+var(--screen-keyboard-height,0px)+env(safe-area-inset-bottom,0px))] [--scroll-root-safe-area-height:calc(100lvh-var(--scroll-root-safe-area-inset-top)-var(--scroll-root-safe-area-inset-bottom))] has-data-[fixed-header=less-than-xl]:@w-xl\/main:scroll-pt-0 has-data-[fixed-header=less-than-xl]:@w-xl\/main:[--sticky-padding-top:0px] has-data-[fixed-header=less-than-xxl]:@w-2xl\/main:scroll-pt-0 has-data-[fixed-header=less-than-xxl]:@w-2xl\/main:[--sticky-padding-top:0px]\" data-scroll-root=\"\"\u003e\u003cmain id=\"main\" class=\"not-keyboard-focused:outline-none min-h-0 flex-1\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"group\/thread flex flex-col min-h-full\" id=\"thread\"\u003e\n\u003cdiv class=\"composer-parent flex flex-1 flex-col focus-visible:outline-0\" role=\"presentation\"\u003e\n\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-WEB:1c529fbf-4bc8-4c71-ac6d-32a2d98e5148-2\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-6\" data-turn-id-container=\"request-WEB:1c529fbf-4bc8-4c71-ac6d-32a2d98e5148-2\" data-turn-id=\"request-WEB:1c529fbf-4bc8-4c71-ac6d-32a2d98e5148-2\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5\" dir=\"auto\" data-message-id=\"697c4ec7-cc0e-45b3-8dd5-879bf7d75b42\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:1c529fbf-4bc8-4c71-ac6d-32a2d98e5148-10\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:1c529fbf-4bc8-4c71-ac6d-32a2d98e5148-10\" data-turn-id-container=\"request-WEB:1c529fbf-4bc8-4c71-ac6d-32a2d98e5148-10\" data-testid=\"conversation-turn-22\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"5f4d8415-970e-4255-88cf-3e0b9e889e33\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"79\" data-end=\"340\"\u003eThe Delaware Master HVACR Restricted Refrigeration Contractor Exam Book Package from 1 Exam Prep is a professional exam preparation resource designed for individuals preparing to take the Delaware Master HVACR Restricted Refrigeration Contractor licensing exam.\u003c\/p\u003e\n\u003cp data-start=\"342\" data-end=\"688\"\u003eThis package includes approved reference materials commonly used in PSI-based open-book HVACR licensing exams and focuses on essential topics such as refrigeration system operation, air conditioning systems, mechanical code compliance, refrigerant management, HVAC controls, ventilation requirements, and refrigeration troubleshooting procedures.\u003c\/p\u003e\n\u003cp data-start=\"690\" data-end=\"1035\"\u003eDesigned to improve code navigation skills and exam readiness, the 1 Exam Prep Delaware Master HVACR Restricted Refrigeration Contractor Exam Book Package helps HVACR professionals strengthen their understanding of refrigeration principles, mechanical systems, and code requirements used in residential and commercial refrigeration applications.\u003c\/p\u003e\n\u003ch2 data-section-id=\"11xpfsq\" data-start=\"1037\" data-end=\"1058\"\u003e📚 What’s Included\u003c\/h2\u003e\n\u003ch3 data-section-id=\"mb2e1h\" data-start=\"1060\" data-end=\"1093\"\u003e✅ Books Allowed Into the Exam\u003c\/h3\u003e\n\u003ch3 data-section-id=\"18nfc3i\" data-start=\"1095\" data-end=\"1142\"\u003e✅ International Mechanical Code (IMC), 2018\u003c\/h3\u003e\n\u003cp data-start=\"1144\" data-end=\"1191\"\u003eComprehensive mechanical systems code covering:\u003c\/p\u003e\n\u003cul data-start=\"1193\" data-end=\"1500\"\u003e\n\u003cli data-section-id=\"8guwzm\" data-start=\"1193\" data-end=\"1224\"\u003eHVAC equipment installation\u003c\/li\u003e\n\u003cli data-section-id=\"1d2qjtw\" data-start=\"1225\" data-end=\"1259\"\u003eMechanical ventilation systems\u003c\/li\u003e\n\u003cli data-section-id=\"mw95c6\" data-start=\"1260\" data-end=\"1297\"\u003eRefrigeration system requirements\u003c\/li\u003e\n\u003cli data-section-id=\"12xaefn\" data-start=\"1298\" data-end=\"1335\"\u003eDuct systems and air distribution\u003c\/li\u003e\n\u003cli data-section-id=\"90yww3\" data-start=\"1336\" data-end=\"1364\"\u003eCombustion air standards\u003c\/li\u003e\n\u003cli data-section-id=\"1jhruzd\" data-start=\"1365\" data-end=\"1410\"\u003eHeating and cooling equipment regulations\u003c\/li\u003e\n\u003cli data-section-id=\"1uyw00o\" data-start=\"1411\" data-end=\"1459\"\u003eCommercial and residential HVAC applications\u003c\/li\u003e\n\u003cli data-section-id=\"1pu3i1n\" data-start=\"1460\" data-end=\"1500\"\u003eMechanical code compliance standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1502\" data-end=\"1594\"\u003e💡 Essential reference for refrigeration system installation and mechanical code compliance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"12gzhbf\" data-start=\"1596\" data-end=\"1657\"\u003e✅ Modern Refrigeration and Air Conditioning, 22nd Edition\u003c\/h3\u003e\n\u003cp data-start=\"1659\" data-end=\"1706\"\u003eComprehensive HVACR systems reference covering:\u003c\/p\u003e\n\u003cul data-start=\"1708\" data-end=\"1976\"\u003e\n\u003cli data-section-id=\"12c6rqj\" data-start=\"1708\" data-end=\"1744\"\u003eRefrigeration cycle fundamentals\u003c\/li\u003e\n\u003cli data-section-id=\"94o13r\" data-start=\"1745\" data-end=\"1773\"\u003eAir conditioning systems\u003c\/li\u003e\n\u003cli data-section-id=\"bu4kcu\" data-start=\"1774\" data-end=\"1798\"\u003eHeat pump operations\u003c\/li\u003e\n\u003cli data-section-id=\"1bc67hq\" data-start=\"1799\" data-end=\"1827\"\u003eHVAC electrical controls\u003c\/li\u003e\n\u003cli data-section-id=\"1vi8ufu\" data-start=\"1828\" data-end=\"1854\"\u003eRefrigerant management\u003c\/li\u003e\n\u003cli data-section-id=\"1f8ngcq\" data-start=\"1855\" data-end=\"1897\"\u003eSystem diagnostics and troubleshooting\u003c\/li\u003e\n\u003cli data-section-id=\"pzwd0s\" data-start=\"1898\" data-end=\"1934\"\u003eRefrigeration service procedures\u003c\/li\u003e\n\u003cli data-section-id=\"m7k9m\" data-start=\"1935\" data-end=\"1976\"\u003eCommercial refrigeration applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1978\" data-end=\"2045\"\u003e💡 Essential resource for refrigeration and HVACR exam preparation.\u003c\/p\u003e\n\u003ch1 data-section-id=\"8hh9j3\" data-start=\"2047\" data-end=\"2085\"\u003e🔧 What This Package Helps You Learn\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1c5rm9f\" data-start=\"2087\" data-end=\"2123\"\u003eRefrigeration System Fundamentals\u003c\/h2\u003e\n\u003cp data-start=\"2125\" data-end=\"2159\"\u003eDevelop a strong understanding of:\u003c\/p\u003e\n\u003cul data-start=\"2161\" data-end=\"2382\"\u003e\n\u003cli data-section-id=\"1d47h7e\" data-start=\"2161\" data-end=\"2195\"\u003eRefrigeration cycle principles\u003c\/li\u003e\n\u003cli data-section-id=\"1o4gx3l\" data-start=\"2196\" data-end=\"2233\"\u003eAir conditioning system operation\u003c\/li\u003e\n\u003cli data-section-id=\"doby8o\" data-start=\"2234\" data-end=\"2269\"\u003eRefrigerant handling procedures\u003c\/li\u003e\n\u003cli data-section-id=\"1tvo6pb\" data-start=\"2270\" data-end=\"2300\"\u003eHeat transfer fundamentals\u003c\/li\u003e\n\u003cli data-section-id=\"1h3o8e6\" data-start=\"2301\" data-end=\"2340\"\u003eCompressor and evaporator functions\u003c\/li\u003e\n\u003cli data-section-id=\"1njgkwr\" data-start=\"2341\" data-end=\"2382\"\u003eRefrigeration troubleshooting methods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"at127q\" data-start=\"2384\" data-end=\"2421\"\u003eMechanical Code \u0026amp; HVACR Compliance\u003c\/h2\u003e\n\u003cp data-start=\"2423\" data-end=\"2474\"\u003eLearn essential code compliance concepts including:\u003c\/p\u003e\n\u003cul data-start=\"2476\" data-end=\"2695\"\u003e\n\u003cli data-section-id=\"1cboywl\" data-start=\"2476\" data-end=\"2529\"\u003eRefrigeration equipment installation requirements\u003c\/li\u003e\n\u003cli data-section-id=\"17eful6\" data-start=\"2530\" data-end=\"2566\"\u003eMechanical ventilation standards\u003c\/li\u003e\n\u003cli data-section-id=\"j18mcn\" data-start=\"2567\" data-end=\"2595\"\u003eDuct system requirements\u003c\/li\u003e\n\u003cli data-section-id=\"eogv7v\" data-start=\"2596\" data-end=\"2629\"\u003eRefrigerant safety procedures\u003c\/li\u003e\n\u003cli data-section-id=\"11dmg1l\" data-start=\"2630\" data-end=\"2660\"\u003eHVAC equipment regulations\u003c\/li\u003e\n\u003cli data-section-id=\"1mrslzp\" data-start=\"2661\" data-end=\"2695\"\u003eIMC code navigation strategies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1cvs58h\" data-start=\"2697\" data-end=\"2739\"\u003eRefrigeration Service \u0026amp; Troubleshooting\u003c\/h2\u003e\n\u003cp data-start=\"2741\" data-end=\"2774\"\u003eStrengthen your understanding of:\u003c\/p\u003e\n\u003cul data-start=\"2776\" data-end=\"2993\"\u003e\n\u003cli data-section-id=\"3qcvbh\" data-start=\"2776\" data-end=\"2816\"\u003eRefrigeration diagnostics and repair\u003c\/li\u003e\n\u003cli data-section-id=\"1bc67hq\" data-start=\"2817\" data-end=\"2845\"\u003eHVAC electrical controls\u003c\/li\u003e\n\u003cli data-section-id=\"1fktkbn\" data-start=\"2846\" data-end=\"2876\"\u003eSystem performance testing\u003c\/li\u003e\n\u003cli data-section-id=\"tr5g10\" data-start=\"2877\" data-end=\"2914\"\u003eRefrigerant management procedures\u003c\/li\u003e\n\u003cli data-section-id=\"1106ch5\" data-start=\"2915\" data-end=\"2951\"\u003ePreventive maintenance practices\u003c\/li\u003e\n\u003cli data-section-id=\"m7k9m\" data-start=\"2952\" data-end=\"2993\"\u003eCommercial refrigeration applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"x24vjt\" data-start=\"2995\" data-end=\"3027\"\u003eHVACR Safety \u0026amp; Best Practices\u003c\/h2\u003e\n\u003cp data-start=\"3029\" data-end=\"3086\"\u003eMaster critical safety and compliance concepts including:\u003c\/p\u003e\n\u003cul data-start=\"3088\" data-end=\"3300\"\u003e\n\u003cli data-section-id=\"1kk6gai\" data-start=\"3088\" data-end=\"3119\"\u003eRefrigerant handling safety\u003c\/li\u003e\n\u003cli data-section-id=\"zjor67\" data-start=\"3120\" data-end=\"3153\"\u003eHVAC jobsite safety awareness\u003c\/li\u003e\n\u003cli data-section-id=\"zbcc4z\" data-start=\"3154\" data-end=\"3184\"\u003eMechanical code compliance\u003c\/li\u003e\n\u003cli data-section-id=\"yj2csx\" data-start=\"3185\" data-end=\"3227\"\u003eSafe equipment installation procedures\u003c\/li\u003e\n\u003cli data-section-id=\"1espg4m\" data-start=\"3228\" data-end=\"3257\"\u003eHazard prevention methods\u003c\/li\u003e\n\u003cli data-section-id=\"101e3tc\" data-start=\"3258\" data-end=\"3300\"\u003eProper refrigeration service practices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"17w1ndk\" data-start=\"3302\" data-end=\"3330\"\u003e🎯 Who This Package Is For\u003c\/h1\u003e\n\u003cul data-start=\"3332\" data-end=\"3660\"\u003e\n\u003cli data-section-id=\"17oxh4l\" data-start=\"3332\" data-end=\"3430\"\u003eIndividuals applying for the Delaware Master HVACR Restricted Refrigeration Contractor License\u003c\/li\u003e\n\u003cli data-section-id=\"1b92tlw\" data-start=\"3431\" data-end=\"3460\"\u003eRefrigeration technicians\u003c\/li\u003e\n\u003cli data-section-id=\"18vsea9\" data-start=\"3461\" data-end=\"3491\"\u003eHVAC service professionals\u003c\/li\u003e\n\u003cli data-section-id=\"9hfndb\" data-start=\"3492\" data-end=\"3532\"\u003eCommercial refrigeration contractors\u003c\/li\u003e\n\u003cli data-section-id=\"1n8lhka\" data-start=\"3533\" data-end=\"3565\"\u003eAir conditioning technicians\u003c\/li\u003e\n\u003cli data-section-id=\"2smvtz\" data-start=\"3566\" data-end=\"3599\"\u003eHVACR maintenance specialists\u003c\/li\u003e\n\u003cli data-section-id=\"15dijdk\" data-start=\"3600\" data-end=\"3660\"\u003eApprentices preparing for Delaware HVACR licensing exams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"1mmn2v\" data-start=\"3662\" data-end=\"3689\"\u003e🚀 Why Choose 1 Exam Prep\u003c\/h1\u003e\n\u003cp data-start=\"3691\" data-end=\"3877\"\u003eAt 1 Exam Prep, we specialize in helping contractors and skilled trades professionals pass their licensing exams and build successful careers. Our exam prep packages are designed around:\u003c\/p\u003e\n\u003cul data-start=\"3879\" data-end=\"4077\"\u003e\n\u003cli data-section-id=\"lidxsp\" data-start=\"3879\" data-end=\"3921\"\u003eActual Delaware licensing requirements\u003c\/li\u003e\n\u003cli data-section-id=\"10ujq52\" data-start=\"3922\" data-end=\"3973\"\u003eReal-world refrigeration and HVACR applications\u003c\/li\u003e\n\u003cli data-section-id=\"tm92nl\" data-start=\"3974\" data-end=\"4005\"\u003eCode-based exam preparation\u003c\/li\u003e\n\u003cli data-section-id=\"1whlnwr\" data-start=\"4006\" data-end=\"4035\"\u003ePractical field knowledge\u003c\/li\u003e\n\u003cli data-section-id=\"1np2pyk\" data-start=\"4036\" data-end=\"4077\"\u003eProven trade-focused study strategies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4079\" data-end=\"4287\"\u003eWe understand that passing an open-book HVACR exam requires more than simply owning the books—you must know how to navigate them efficiently and apply the information correctly under timed testing conditions.\u003c\/p\u003e\n\u003cp data-start=\"4289\" data-end=\"4372\"\u003eThat’s why our packages are built to help you improve both speed and understanding.\u003c\/p\u003e\n\u003ch1 data-section-id=\"50gnfv\" data-start=\"4374\" data-end=\"4401\"\u003e💡 Important Exam Insight\u003c\/h1\u003e\n\u003cp data-start=\"4403\" data-end=\"4567\"\u003eThe Delaware Master HVACR Restricted Refrigeration Contractor Exam is an open-book exam, meaning approved reference materials are allowed inside the testing center.\u003c\/p\u003e\n\u003cp data-start=\"4569\" data-end=\"4898\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eCandidates who become familiar with navigating the IMC, understanding refrigeration system operations, applying HVAC troubleshooting methods, and using practical refrigeration service concepts are typically much more successful during the exam and more confident when performing real-world refrigeration and HVACR work afterward.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":45872239968313,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/DW-MasterHVACRRefrigeration-BOOKS.jpg?v=1779824252","url":"https:\/\/1examprep.com\/products\/delaware-master-hvacr-restricted-refrigeration-contractor-exam-book-package","provider":"1 Exam Prep","version":"1.0","type":"link"}