{"product_id":"connecticut-limited-heating-cooling-contractor-s-9-books-allowed-into-exam-package","title":"Connecticut Limited Heating \u0026 Cooling Contractor (S-9) Books Allowed into Exam Package","description":"\u003ch1\u003e\u003cstrong\u003eConnecticut Limited Heating \u0026amp; Cooling Contractor (S-9) Books Allowed into Exam Package\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eConnecticut Limited Heating \u0026amp; Cooling Contractor (S-9) Books Allowed into Exam Package\u003c\/strong\u003e from \u003cstrong\u003e1 Exam Prep\u003c\/strong\u003e is specifically designed for contractors preparing for the \u003cstrong\u003eConnecticut Limited Heating \u0026amp; Cooling Contractor (S-9) licensing exam\u003c\/strong\u003e. This package includes the official references allowed inside the testing center and provides the essential knowledge needed for residential HVAC system installation, heating and cooling load calculations, refrigeration systems, duct design, fuel gas systems, OSHA safety compliance, and mechanical code requirements.\u003c\/p\u003e\n\u003cp\u003eWhether you work in residential HVAC installation, heating and cooling service, refrigeration systems, ductwork installation, fuel gas systems, ventilation systems, or mechanical contracting, this package helps you prepare for Connecticut’s open-book exam format while strengthening your understanding of industry-standard HVAC design principles, residential load calculations, and mechanical installation practices.\u003c\/p\u003e\n\u003cp\u003eBecause the Connecticut S-9 exam is an open-book exam, success depends heavily on your ability to efficiently navigate technical references and quickly locate important information during the exam. This package helps you become familiar with the approved reference materials so you can improve speed, efficiency, and confidence on test day.\u003c\/p\u003e\n\u003ch1\u003e\u003cstrong\u003e📚 Books Included – Allowed in the Exam\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cstrong\u003eManual J – Residential Load Calculations, Reprinted 2016, Eighth Full Edition\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eManual J is the industry-standard reference for calculating residential heating and cooling loads to properly size HVAC equipment for homes and residential structures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey topics include:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eResidential heating load calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCooling load calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC equipment sizing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnergy efficiency analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndoor comfort calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilding envelope considerations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAir infiltration calculations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential system design principles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eInternational Residential Code for One- and Two-Family Dwellings (IRC), 2021\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe IRC provides code requirements for residential construction related to heating systems, fuel gas systems, mechanical installations, and residential safety standards.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey topics include:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eResidential HVAC systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel gas system requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeating appliance installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVenting and chimney systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential mechanical standards\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\u003eGas piping regulations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspection and safety requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eInternational Mechanical Code (IMC), 2021\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe International Mechanical Code establishes regulations for the installation, maintenance, repair, and inspection of mechanical systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey topics include:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC system installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVentilation and exhaust systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeating and cooling equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRefrigeration systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDuct system requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical inspection procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEquipment safety regulations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical code compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eNFPA 31: Standard for the Installation of Oil-Burning Equipment, 2011\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eNFPA 31 establishes standards for the installation of oil-burning appliances and fuel oil systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey topics include:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOil-burning equipment installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel oil piping systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOil storage tank requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFurnace and boiler standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCombustion safety procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVenting systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspection and maintenance standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eNFPA 54 – National Fuel Gas Code Handbook, 2012\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eNFPA 54 provides comprehensive safety standards for fuel gas piping systems, gas appliances, and venting systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey topics include:\u003c\/strong\u003e\u003c\/h3\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\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVenting and combustion systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGas pressure testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAppliance safety standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel gas code compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGas leak testing procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCode of Federal Regulations – 29 CFR Part 1926 (OSHA)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis OSHA reference establishes federal safety standards for construction and mechanical job sites, including HVAC installation safety, equipment operation, fall protection, and worker protection standards.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey topics include:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eConstruction site safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC installation safety\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\u003eHazard communication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEquipment operation safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOSHA compliance procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWorkplace safety regulations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eModern Refrigeration and Air Conditioning, 22nd Edition\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis industry-standard reference provides comprehensive coverage of heating, refrigeration, and air conditioning systems, including installation procedures, troubleshooting methods, and HVAC service practices.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey topics include:\u003c\/strong\u003e\u003c\/h3\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 systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC troubleshooting procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRefrigerant handling and safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompressors and condensers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSystem controls and components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePreventive maintenance procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential and commercial HVAC systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eDuctulator\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Ductulator is a practical HVAC design tool used for determining duct sizing, airflow calculations, friction loss, and duct system efficiency.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey topics include:\u003c\/strong\u003e\u003c\/h3\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\u003eHVAC system balancing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAir distribution principles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDuct efficiency optimization\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eHVAC Duct Construction Standards, Metal and Flexible, 2005, 3rd Edition\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis SMACNA reference establishes construction standards for HVAC duct systems using metal and flexible duct materials.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey topics include:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC duct construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible duct installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDuct reinforcement standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLeakage control procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFabrication requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDuct support systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential duct installation standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eNFPA 58 – Liquefied Petroleum Gas Code, 2014\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eNFPA 58 establishes safety standards for the storage, handling, transportation, and use of liquefied petroleum gas (LP-Gas\/propane).\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey topics include:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePropane system installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLP-Gas storage requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePropane piping systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCylinder and tank safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePressure regulation requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLP-Gas appliance standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafety and emergency procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003e\u003cstrong\u003e🔧 What This Package Does for You\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cstrong\u003eBuilt for Connecticut’s Open-Book Exam Format\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Connecticut Limited Heating \u0026amp; Cooling Contractor (S-9) exam is designed to test your ability to efficiently navigate technical references and quickly locate important information—not simply memorize HVAC formulas and code requirements.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eThis package helps you:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBecome familiar with the structure of the approved references\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLearn how to quickly locate answers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImprove speed and efficiency during testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuild confidence using the actual exam-approved materials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eStrengthens HVAC \u0026amp; Mechanical Knowledge\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eDevelop a strong understanding of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eResidential heating and cooling system installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC load calculations and equipment sizing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRefrigeration system operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel gas and propane systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC duct design and construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical code requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOSHA safety regulations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential ventilation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eIndustry-Relevant \u0026amp; Practical\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe included references are not only valuable for exam preparation, but also serve as practical field resources for contractors working on residential HVAC systems, ductwork, refrigeration equipment, and fuel gas projects throughout Connecticut.\u003c\/p\u003e\n\u003ch1\u003e\u003cstrong\u003e🎯 Why This Package Works\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cstrong\u003eIncludes the Exact Books Allowed in the Connecticut Exam\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eStudy directly from the official references permitted inside the testing center.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDesigned for Faster Code Navigation\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eHelps improve your ability to quickly locate technical information under exam conditions.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSupports Both Exam Success \u0026amp; Field Application\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eStrengthens your understanding of HVAC load calculations, refrigeration procedures, duct construction standards, fuel gas systems, and mechanical safety practices used in real-world residential projects.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFocused \u0026amp; Efficient\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eProvides the exact core references needed for Connecticut S-9 exam preparation without unnecessary materials.\u003c\/p\u003e\n\u003ch1\u003e\u003cstrong\u003e🚀 Who This Package Is For\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eContractors preparing for the Connecticut Limited Heating \u0026amp; Cooling Contractor (S-9) License\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential HVAC contractors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeating and cooling professionals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRefrigeration technicians\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel gas and propane installers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDuctwork and ventilation specialists\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential mechanical contractors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContractors seeking to improve open-book exam efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003e\u003cstrong\u003e🚀 Why Choose 1 Exam Prep\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eAt \u003cstrong\u003e1 Exam Prep\u003c\/strong\u003e, we specialize in helping contractors pass licensing exams and build successful businesses in the HVAC and mechanical industries. Our exam packages are designed around:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eActual Connecticut licensing requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReal-world HVAC and mechanical knowledge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOpen-book exam navigation strategies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustry-standard code references\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProven contractor-focused learning systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe help contractors prepare not only to pass the exam, but also to perform successfully in the field after licensure.\u003c\/p\u003e\n\u003ch1\u003e\u003cstrong\u003e💡 Important Exam Insight\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Connecticut Limited Heating \u0026amp; Cooling Contractor (S-9) Exam is an open-book exam, meaning approved reference materials may be brought into the testing center.\u003c\/p\u003e\n\u003cp\u003eHowever, successful candidates understand that passing is not about memorizing every HVAC formula or mechanical code requirement—it’s about knowing how to efficiently navigate the references under time pressure. Becoming familiar with the organization and layout of the mechanical codes, HVAC manuals, load calculation guides, and NFPA standards can significantly improve exam performance.\u003c\/p\u003e","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":45862698385465,"sku":null,"price":1995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/CT-LimitedHeating_CoolingS-9-BOOKSEO.jpg?v=1779458556","url":"https:\/\/1examprep.com\/products\/connecticut-limited-heating-cooling-contractor-s-9-books-allowed-into-exam-package","provider":"1 Exam Prep","version":"1.0","type":"link"}