{"product_id":"connecticut-limited-warm-air-air-conditioning-and-refrigeration-system-contractor-d-1-highlighted-tabbed-book-package","title":"Connecticut Limited Warm Air, Air Conditioning and Refrigeration System Contractor (D-1) Highlighted \u0026 Tabbed Book Package","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] 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:50e766a3-3b71-4120-97ac-0c46a2885ad1-2\" data-testid=\"conversation-turn-6\" 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=\"839334b4-5669-48ba-a727-c38b1f4f5060\" 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\u003cp\u003ePrepare with confidence and pass your \u003cstrong\u003eConnecticut Limited Warm Air, Air Conditioning and Refrigeration System Contractor (D-1) Exam\u003c\/strong\u003e with our expertly organized \u003cstrong\u003eHighlighted \u0026amp; Tabbed Book Package\u003c\/strong\u003e—designed specifically for Connecticut’s open-book HVAC and refrigeration contractor licensing exam format. This complete package includes the essential references commonly used for the exam, professionally highlighted and pre-tabbed to help you quickly locate critical information, improve testing efficiency, and maximize your performance on exam day.\u003c\/p\u003e\n\u003cp\u003eWhether you work in residential or commercial HVAC systems, refrigeration, ductwork, fuel gas systems, load calculations, or mechanical code compliance, this package provides the technical references and practical industry knowledge needed to succeed both on the exam and in the field.\u003c\/p\u003e\n\u003ch2\u003e📚 What’s Included\u003c\/h2\u003e\n\u003ch3\u003e✅ All Books Included Are Allowed in the Exam (Highlighted \u0026amp; Tabbed)\u003c\/h3\u003e\n\u003cp\u003eEvery reference in this package is professionally highlighted and pre-tabbed for fast navigation during the exam.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInternational Mechanical Code (IMC), 2021 Edition\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eComprehensive mechanical code reference covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC system installation requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVentilation standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust and duct systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCombustion air requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRefrigeration system regulations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical equipment installation standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial and residential mechanical code compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eManual J – Residential Load Calculation, Eighth Full Edition\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIndustry-standard residential HVAC load calculation reference covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eResidential heating and cooling load calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeat gain and heat loss analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC equipment sizing principles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClimate and insulation considerations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential airflow requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnergy-efficient system design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eManual N – Commercial Load Calculation for Small Commercial Buildings, 5th Edition\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCommercial HVAC load calculation reference covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSmall commercial building load calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOccupancy and equipment heat gain analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVentilation and airflow calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial HVAC sizing methods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnergy efficiency considerations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial comfort system design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eNFPA 54 – National Fuel Gas Code Handbook, 2012 Edition\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCritical fuel gas installation and safety code covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFuel gas piping systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGas appliance installation requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVenting systems and combustion air\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGas pressure regulations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafety and inspection requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential and commercial fuel gas compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCode of Federal Regulations – 29 CFR Part 1926 (OSHA)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEssential construction safety standards covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC jobsite safety requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePersonal protective equipment (PPE)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLadder and scaffold safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectrical hazard protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcavation and confined space standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOSHA compliance for mechanical contractors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eModern Refrigeration and Air Conditioning, 22nd Edition\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eComprehensive HVAC\/R training and technical reference covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRefrigeration cycle fundamentals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAir conditioning system operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeating system technologies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTroubleshooting and diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRefrigerant handling procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectrical controls and components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial and residential HVAC applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDuctulator\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIndustry-standard duct sizing tool covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDuct sizing calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAirflow design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFriction loss calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVelocity and pressure measurements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC duct system efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eHVAC Duct Construction Standards – Metal and Flexible, 3rd Edition\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eProfessional duct construction reference covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMetal duct fabrication standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible duct installation requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDuct reinforcement and sealing methods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial and residential duct construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC airflow and system performance standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eNFPA 58 – Liquefied Petroleum Gas Code, 2014 Edition\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eLP gas safety and installation code covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePropane gas systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLP gas storage and handling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation safety requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel gas equipment standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspection and compliance procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e💡 Professionally Highlighted \u0026amp; Tabbed for Exam Success\u003c\/h2\u003e\n\u003cp\u003eAll books in this package are professionally highlighted and pre-tabbed to help you quickly locate important code sections, formulas, tables, and technical references during the exam.\u003c\/p\u003e\n\u003cp\u003eOur tabbing system is specifically designed to improve navigation speed and reduce time spent searching through materials during testing.\u003c\/p\u003e\n\u003ch2\u003e🚀 Why Choose This Package?\u003c\/h2\u003e\n\u003ch3\u003e🔍 Built for the Open-Book Exam\u003c\/h3\u003e\n\u003cp\u003eConnecticut contractor licensing exams test your ability to quickly locate and apply mechanical, HVAC, refrigeration, and fuel gas code information.\u003c\/p\u003e\n\u003cp\u003eOur professionally designed highlighting and tabbing system helps you:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eNavigate HVAC and mechanical codes faster\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLocate formulas and technical references quickly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImprove speed and accuracy during testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduce wasted time searching through books\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStay organized and focused throughout the exam\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🧠 Learn the Material While Preparing\u003c\/h3\u003e\n\u003cp\u003eThese references help build real-world HVAC and refrigeration knowledge by covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eResidential and commercial HVAC systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRefrigeration cycle operation and troubleshooting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical code compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel gas systems and safety standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDuct design and airflow calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeating and cooling load calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOSHA construction and workplace safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e❄️ Designed for Connecticut HVAC \u0026amp; Refrigeration Contractors\u003c\/h2\u003e\n\u003cp\u003eThis package supports the scope of work covered under the Connecticut Limited Warm Air, Air Conditioning and Refrigeration System Contractor (D-1) License, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC system installation and service\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAir conditioning and refrigeration systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial and residential heating systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel gas piping and appliance installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical ventilation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDuctwork fabrication and installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRefrigeration troubleshooting and repair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical code compliance and inspections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e💼 Who This Is For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eContractors applying for the Connecticut D-1 License\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC installation and service technicians\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRefrigeration system professionals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical contractors and apprentices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial and residential HVAC specialists\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndividuals preparing for the Connecticut contractor licensing exam\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContractors looking for a faster and more organized exam preparation system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🎯 Pass Faster. Work Smarter.\u003c\/h2\u003e\n\u003cp\u003ePassing the Connecticut Limited Warm Air, Air Conditioning and Refrigeration System Contractor (D-1) Exam starts with having the right references—and knowing how to use them efficiently.\u003c\/p\u003e\n\u003cp\u003eWith professionally highlighted and tabbed books, you’ll spend less time searching and more time answering questions confidently.\u003c\/p\u003e\n\u003cp\u003eGet your \u003cstrong\u003eConnecticut Limited Warm Air, Air Conditioning and Refrigeration System Contractor (D-1) Highlighted \u0026amp; Tabbed Book Package\u003c\/strong\u003e today and take the next step toward becoming a licensed HVAC and refrigeration contractor in Connecticut.\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\/section\u003e","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":45816931287097,"sku":null,"price":2345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/CT-LimitedHVACRD-1-HT.jpg?v=1779459422","url":"https:\/\/1examprep.com\/products\/connecticut-limited-warm-air-air-conditioning-and-refrigeration-system-contractor-d-1-highlighted-tabbed-book-package","provider":"1 Exam Prep","version":"1.0","type":"link"}