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Modern Refrigeration and Air Conditioning, 22nd Edition
$236.99View ProductThe Modern Refrigeration and Air Conditioning, 22nd Edition is the HVACR standard for a new generation of learners. It correlates to HVAC Excellence and PAHRA accreditation requirements to ensure complete coverage that prepares students for career success.
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ACCA Ductulator – Duct Calculation Slide Rule
$65.99View ProductOne of our most popular catalog items! This durable two-sided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct-sizing procedures. Designed by Hank Rutkowski.
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Manual J Residential Load Calculation (8th Edition Version 2.50)
$174.99View ProductManual J 8th Edition Version 2.50 is the national ANSI-recognized standard for producing HVAC equipment sizing loads for single-family detached homes, small multi-unit structures, condominiums, town houses, and manufactured homes. A proper load calculation, performed in accordance with the Manual J 8th Edition procedure, is required by national building codes and most state and local jurisdictions.
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![Manual D - Residential Duct Systems [ANSI/ACCA 1 Manual D - 2016]](https://www.athomeprep.com/wp-content/uploads/2010/03/Manual-D-300x300.jpg)
Manual D – Residential Duct Systems [ANSI/ACCA 1 Manual D – 2016]
$98.99View ProductManual D is the nationally recognized standard for designing residential duct systems, published by the Air Conditioning Contractors of America (ACCA). The 2016 edition, aligned with ANSI standards, outlines the procedures necessary to design efficient, quiet, and code-compliant air distribution systems in single-family homes and townhouses.
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2018 International Mechanical Code (International Code Council Series) 1st Edition
$142.99View ProductThe 2018 International Mechanical Code (International Code Council Series) 1st Edition establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC was developed with broad-based principles that make possible the use of new materials, methods and design.
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2021 International Mechanical Code (International Code Council Series) 1st Edition
$131.99View Product- The 2021 International Mechanical Code (IMC) establishes minimum regulations for the design, installation, and inspection of mechanical systems in buildings. It aims to ensure safety, efficiency, and adaptability in mechanical systems by incorporating prescriptive and performance-related provisions.
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Refrigeration and Air Conditioning Technology 10th Edition
$289.99View ProductEquip your students with the knowledge and skills to maintain and troubleshoot complex heating, air conditioning, and refrigeration systems with REFRIGERATION & AIR CONDITIONING TECHNOLOGY, 10th Edition.
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2021 International Fuel Gas Code (International Code Council Series) 1st Edition
$131.99View Product- The 2021 International Fuel Gas Code (IFGC) provides comprehensive regulations for the design, installation, and inspection of fuel gas systems and gas-fired appliances in buildings. It aims to ensure safety, efficiency, and compliance with modern standards in fuel gas applications.
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NFPA 31 Standard for the Installation of Oil-burning Equipment 2011 Edition Paperback
$203.99View ProductNFPA 31, Standard for the Installation of Oil-Burning Equipment is the benchmark for the correct installation of boilers, air heaters, and other liquid fuel-burning equipment, and their fuel supplies. Designers, contractors, and installers rely on this Standard for guidance that protects property and building occupants by ensuring a fire-safe installation. Authorities having Jurisdiction (AHJs) and insurance underwriters depend on NFPA 31 requirements to verify the safety of installations in industrial, commercial, and residential occupancies.
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Residential Load Calculation Manual J Abridged Edition
$89.99View ProductThe Residential Load Calculation Manual J Abridged Edition, an abridged version of the Eighth Edition of Manual J, provides complete instructions for estimating heat loss and heat gain for residential structures. Residential Load Calculation Manual J Abridged Edition is sufficient for learning the Manual J procedures and for undertaking hand calculations on a varied number of home applications.
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Air Conditioning and Refrigeration Troubleshooting Handbook 2nd Edition
$274.99View ProductThis comprehensive Air Conditioning and Refrigeration Troubleshooting Handbook, 2nd Edition book is a complete, practical guide to servicing and repairing heating, cooling, and refrigeration equipment. It provides the information needed to make a quick diagnosis and repair. This guide first examines the conditions for ideal equipment operation, then proceeds to common and not-so-common malfunctions. This handbook, with its easy-to-follow, step-by-step guidelines, is a must for modern technicians.
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Manual S – Residential Equipment Selection
$99.99View ProductManual S is the essential companion to Manual J! It shows you how to select and size heating and cooling equipment to meet Manual J loads based on local climate and ambient conditions at the building site. Manual S covers sizing strategies for all types of cooling and heating equipment, as well as how to use comprehensive manufacturer’s performance data on sensible, latent, or heating capacity for various operating conditions.
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Virginia HVAC (Master/Journeyman) Online Exam Prep Complete Package
$904.95View ProductHVAC licensing in Virginia is at 3 levels: journeyman, master, and contractor. To become either a journeyman HVAC or a master HVAC, there are two examination portions that must be passed: statutory and regulatory portion and the trade portion. This license allows for individual to do work for heating systems, boilers, process piping, and mechanical refrigeration systems. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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2021 Uniform Mechanical Code
$164.99View ProductThe 2021 Uniform Mechanical Code (UMC), published by the International Association of Plumbing and Mechanical Officials (IAPMO), is a comprehensive standard for the installation, inspection, and maintenance of mechanical systems in buildings. Developed through a three-year consensus process accredited by the American National Standards Institute (ANSI), this edition incorporates significant updates to address emerging technologies and safety concerns.
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North Carolina OSHA
$69.99View ProductNorth Carolina Occupational Safety and Health Standards (OSHA) for the Construction Industry provides all of the safety codes for the state of North Carolina. Compliance in the construction industry is made easier with this comprehensive 29 CFR 1926 book.
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Trane Reciprocating Refrigeration
$48.99View ProductInitially published in the 1940’s, this is a comprehensive manual on the design, installation, operation, and servicing of reciprocating refrigeration systems. The intended audience is comprised of installing contractors, service technicians, and Trane sales and service personnel. Historically, this manual has also been used by HVAC system designers and students.
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Technician’s Guide & Workbook for EPA 608
$72.99View ProductThis Guide and Workbook provides information to aid you in your efforts to become certified under the refrigerant recovery and recycling program of the United States Environmental Protection Agency (EPA). It is designed for technicians who already have a working knowledge of the trade and wish to become certified. To fully expose you to everything on the test, you must read this book cover to cover.
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2018 Uniform Mechanical Code
$149.99View ProductThe 2018 edition of the Uniform Mechanical Code (UMC©) represents the most current approaches in the mechanical field. It is the sixth edition developed under the ANSI Consensus process is designated as an American National Standards by the American National Standards Institute (ANSI). The 2018 edition of the UMC reached a major milestone as it addresses specific provisions for low flammability refrigerants such as A2L and B2L; which makes it one of the first codes in the industry to address specific provisions for these low Global Warming Potential (GWP) refrigerants. Contributions to the content of this code were made by every segment of the built industry, including such diverse interests as consumers, enforcing authorities, installers/maintainers, labor, manufacturers, research/standards/ testing laboratories, special experts and users.
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Carrier System Design Manuals 1-3 (Set)
$163.99View Product- The Carrier System Design Manuals 1–3 provide HVAC engineers, designers, and contractors with a step-by-step framework for designing efficient air conditioning systems.
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Texas Commercial Refrigeration A&B Online Exam Prep Complete Package
$1,016.94View ProductTexas Commercial Refrigeration A&B Online Exam Prep Complete Package includes all references needed to study for the exam, pre-printed tabs for only those references allowed to be taken into the exam and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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Low Pressure Boilers, 5th Edition
$146.99View ProductThe Low Pressure Boilers, 5th Edition provides a comprehensive overview of the latest information on the safe and efficient operation of low pressure steam and hot water boilers, cooling systems, and related equipment. Each chapter is divided into sections to aid comprehension of key concepts. To assist with preparing for a licensing exam, a separate chapter with test-taking tips and a sample exam is included.
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North Carolina Heating Group 3, Class 1, Contractor License – Books Only Package
$1,650.86View ProductNorth Carolina Heating Group 3, Class 1, Contractor License requires pre-approval prior to sitting for the state exam. As of this time we do not offer any courses for this exam. We do offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore. Please be sure to check back in the future for possible course material, as we are always adding to our course catalog.
IMPORTANT UPDATE
Per NC.gov:
“Update: November 11, 2025 – As of this date, the conditions of Section 5.12 (b) (see page 2) have not been met. This means that the effective date of the 2024 Building Code will be more than 12 months away. The earliest possible date is January 1, 2027, but that date has not been confirmed.”
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Alabama HAC Tab Package
$79.99View ProductPre-Printed Permanent Tabs – During your exam, time is of the essence. By having your pages tabbed, you can greatly increase your speed in referencing key exam topics.
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NFPA 54: National Fuel Gas Code, 2009 Edition
$203.99View ProductFrom carbon monoxide poisoning to the risks of fire and explosion, there are several hazards when it comes to using gaseous fuels. NFPA 54/ANSI Z223.1, National Fuel Gas Code, offers the latest comprehensive provisions for the safe design, installation, operation, maintenance, purging, and inspection of gas piping, equipment, accessories, and appliances supplied with fuel gas.
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Ohio HVAC License Online Exam Prep Complete Package
$830.95View ProductThe Ohio HVAC License Exam Complete Package, includes all materials used during the exam, pre-printed tabs for all materials allowed in the exam along with 365 days access to the online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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Maryland HVACR Online Exam Prep Complete Package
$1,049.93View ProductThe Maryland HVACR Exam Prep Complete Package Includes the following:
- Maryland HVACR Exam Prep
- 2018 International Mechanical Code
- Modern Refrigeration and Air Conditioning
- Manual J-Residential Load Calculations
- Osha 29 CFR Part 1926
- ACCA Duct Slide Rule
- Maryland HVACR Tab Pack
The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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HVAC Basics for Contractors 4th Edition
$119.99View ProductHVAC Basics for Contractors 4th Edition
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Fibrous Glass Duct Construction Standards – NAIMA
$42.99View ProductThe Fibrous Glass Duct Construction Standards – NAIMA is intended for use in designing and constructing low-pressure air distribution systems (up to 2 inches water gauge (w.g.) made from rigid fibrous glass board, rather than traditional sheet metal ducts. It aims to promote uniformity, quality, and best practices in HVAC duct system construction using insulated duct boards.
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Manual CS – Commercial Application, Systems, and Equipment
$89.99View ProductManual CS covers the fundamentals of system design and equipment selection for office buildings, apartments, schools, restaurants, arenas, gyms, malls, arcades, motels, theaters and other small and mid-size commercial structures. It discusses the considerations—comfort, air quality, and operating costs—that go into a preliminary design. Examples of the procedures and calculations turn concepts into final design.
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Residential Comfort System Installation Standards Manual
$122.99View ProductThe Residential Comfort System Installation Standards Manual is a comprehensive guide aimed at professionals in the HVAC industry. It provides detailed standards and best practices for the installation of residential heating, ventilation, and air conditioning (HVAC) systems.
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Energy Systems Analysis and Management – SMACNA
$142.99View ProductEnergy Systems Analysis and Management – SMACNA is a comprehensive resource designed to guide professionals in evaluating and optimizing energy use in commercial, residential, and institutional buildings. This manual provides contractors, building owners, facility managers, and system designers with the tools needed to assess existing facilities for energy savings potential, addressing both new construction and retrofit projects.
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Fire Alarm Signaling Systems
$183.99View ProductThe Fire Alarm Signaling Systems, authored by seasoned fire protection engineers Richard Bukowski and Wayne Moore—both Fellows of the Society of Fire Protection Engineers (SFPE)—is widely recognized for delivering clear, code-aligned guidance for everything from system initiation to commissioning.
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2021 International Mechanical Code Tabs
$18.99View ProductPERMANENT TABS PACKAGE – This package includes permanent tabs.
- 2021 International Mechanical Code Tabs
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Tennessee Mechanical HVAC/Refrigeration Contractor License (TN CMC-C) Online Exam Prep Complete Package
$1,719.90View ProductThe Tennessee Mechanical HVAC/Refrigeration Contractor License (TN CMC-C) Online Exam Prep Complete Package includes all references used during the exam, pre-printed tabs for all references allowed into the exam and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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Alabama (HAC) Heating and Air Conditioning Online Exam Prep Complete Package
$1,558.91View ProductThe Alabama (HAC) Heating and Air Conditioning Complete Package includes all references used to study for the exam, pre-printed tabs for only those references allowed to be brought into the exam center, and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself.
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Fundamentals of HVACR, 4/E
$207.99View ProductThe Fundamentals of HVACR, 4/E is a plain-language account of the principles of heating, ventilation, air conditioning and refrigeration. The text is comprehensive enough to serve as the basis of both HVACR courses and entire HVACR programs. Units are short and digestible, presenting complex material clearly and concisely. Practical tips and examples offer context and deepen understanding. The 4th Edition has been updated and revised to meet current industry standards and requirements. It has 5 new units covering HVACR electronic controls, electrical installation, room air conditioners, CO2 refrigeration systems and hydrocarbon refrigeration units. Coverage of sustainability and electrical codes has also been expanded upon for the new edition.
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Flexible Duct Performance and Installation 6th Ed
$39.99View ProductFlexible Duct Performance & Installation Standards 6th Edition is used and referenced by designers, installers, contractors and users for evaluating, selecting, specifying and installing flexible ducts for heating and air conditioning systems.
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REFRIGERATION AND AIR CONDITIONING TECHNOLOGY, 9th Edition
$290.99View ProductThe Refrigeration and Air Conditioning Technology 9th Edition is a comprehensive educational resource designed for students and professionals in the HVAC/R industry. This edition offers updated content aligned with the latest industry standards, focusing on sustainable technologies and green awareness.
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Oklahoma HVACR (Limited) Online Exam Prep Complete Package
$1,479.91View ProductThe Oklahoma HVACR Exam Prep complete package includes all reference included in the exam, pre-printed tabs to for quick reference and Exam Prep to help you study and come familiar with the materials. The course includes narrated highlighting guides, practice tests, theory, calculations, instructor support and test-taking tips and strategies. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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NFPA 58 Liquefied Petroleum Gas Code, 2024 Edition
$203.99View ProductStay current with the ever-evolving safety criteria for the liquefied petroleum (LP) gas industry. NFPA 58, Liquefied Petroleum Gas Code, provides the requirements for safeguarding all LP-Gas (propane) installations in homes, businesses, and industrial settings. Important updates to the code help designers, health and safety managers, authorities having jurisdiction (AHJs), and insurance professionals prepare for the challenges of modern LP-Gas hazards.
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2021 International Plumbing Code Spanish Edition (ICC)
$131.99View ProductEl Código Internacional de Plomería (IPC) 2021 establece normas integrales para el diseño, la instalación y la inspección de sistemas de plomería en edificios. Su objetivo es proteger la salud, la seguridad y el bienestar público garantizando prácticas de plomería higiénicas y eficientes.
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West Virginia HVAC Contractor License – Books Only Package
$404.96View ProductWe offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore. Please be sure to check back in the future for possible course material, as we are always adding to our course catalog.
**The West Virginia HVAC Contractor Exam Prep is under construction and will be available for purchase soon**
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Residential Oil Burners
$252.99View ProductThe Residential Oil Burners serves as a comprehensive reference aimed at technicians and professionals working in residential oil-burning heating systems. It is structured to build foundational knowledge and practical skills by covering the combustion process, the design and operation of oil burners, related heating systems (boilers, hot-water systems, warm-air systems), electrical equipment and controls, and service procedures.
Packed with more need-to-know information than any other book on the market, Residential Oil Burners, 3E provides the knowledge and skills that residential oil burner technicians will need to succeed in the industry. Now in its third edition, the book has been fully updated to incorporate the latest technological advancements, with an all-new chapter on boilers, and updated chapters on electrical equipment and oil burner controls. With coverage of the combustion process, oil burners, heating systems, as well as electrical systems and equipment, users will build a solid foundation of information that is easily transferable to work situations they may encounter in the field. Straightforward and easy-to-use, this book is a valuable addition to every service technician’s vehicle or learning library.
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Washington D.C. Air Conditioning and Refrigeration Mechanical Unlimited Online Exam Prep Complete Package
$654.96View ProductOur complete package includes all references used to study for the exam, pre-printed tabs for only those references allowed to be brought into the exam center, and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself.
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Alabama HACR Tab Package
$74.99View ProductPre-Printed Permanent Tabs – During your exam, time is of the essence. By having your pages tabbed, you can greatly increase your speed in referencing key exam topics.
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Wisconsin HVAC License (Contractor, Qualifier) – Books Only Package
$1,123.93View ProductAs of this time we do not offer any courses for this exam. We do offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore. Please be sure to check back in the future for possible course material, as we are always adding to our course catalog.
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Carrier System Design Manual, Part 1, Part 2, Part 3 Tab Pack
$26.99View ProductPre-printed tabs for the Carrier System Design Manual Package.
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Blueprints and Plans for HVAC, 4th edition
$189.99View ProductThe Blueprints and Plans for HVAC, 4th edition is packed with vivid illustrations and a complete set of commercial prints, best-selling BLUEPRINTS AND PLANS FOR HVAC, 4th Edition combines in-depth instruction with relevant hands-on applications to equip you with the skills to succeed in the workplace. Now in an engaging four-color format, this popular text will help you master the basics of blueprint reading and apply these new skills in the HVAC trade. This Fourth Edition has been updated to include the latest codes and technological advancements, while still covering all the critical areas of study, including using the architect’s and engineer’s scale, creating and using working and construction drawings and freehand sketching and drafting with instruments. In addition, the new CourseMate solution includes extra activities and CAD files to increase the number of real-world exercises. Practical, current and exceedingly accurate, BLUEPRINTS AND PLANS FOR HVAC, 4th Edition will serve you in the classroom and beyond.
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Georgia Conditioned Air Contractor (Class II) Online Exam Prep Complete Package
$2,092.85View ProductThe Georgia Conditioned Air Contractor (Class II) Complete Package includes Exam Prep narrated highlighting guides, practice tests, theory, calculations, instructor support and test-taking tips and strategies. Topics include HVAC Terms, Principles, Administration, HVAC Installation, Venting, Duct, Combustion Air, Gas Piping, HVAC Electrical, Boilers, Exhaust, & Fire Protection, and Refrigeration Term System and Operation and more. You will also receive all references used during the exam. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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Arizona Air Conditioning and Refrigeration (Residential/Commercial) R-39R/C-39 (CR-39) Online Exam Prep Complete Package
$1,230.91View ProductOur complete package includes all references used to study for the exam, pre-printed tabs for only those references allowed to be brought into the exam center, and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself.
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North Carolina Heating Group 2 License – Books Only Package
$1,260.88View ProductNorth Carolina Heating Group 2, Contractor License requires pre-approval prior to sitting for the state exam. As of this time we do not offer any courses for this exam. We do offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore. Please be sure to check back in the future for possible course material, as we are always adding to our course catalog.
IMPORTANT UPDATE
Per NC.gov:
“Update: November 11, 2025 – As of this date, the conditions of Section 5.12 (b) (see page 2) have not been met. This means that the effective date of the 2024 Building Code will be more than 12 months away. The earliest possible date is January 1, 2027, but that date has not been confirmed.”
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South Carolina HVAC (Residential) Online Exam Prep Course Package
$516.98View ProductThe South Carolina HVAC Exam Prep (Residential) Course Package includes:
- South Carolina HVAC Exam Prep (Residential)
- South Carolina Business and Law Prep (Residential)
The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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Employee Safety Handbook: Construction
$26.99View ProductThe Employee Safety Handbook: Construction provides awareness-level information across several safety and health-related topic areas pertinent to general industry and construction workplaces. The goal is providing an easy-to-read reference guide for all employees to enhance their understanding of safety principles, specific rules, potential workplace hazards, and accident prevention techniques that may be used throughout their workday or when confronted by potential dangers.
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South Carolina HVAC (Residential) Online Exam Prep Complete Package
$1,681.90View ProductSouth Carolina HVAC Exam Prep (Residential) topics include Insulation, Hangers and Supports, Sound, Vibration & Seismic Control, Heating and Cooling Principles, Refrigerants, Load Calculations, Testing, Adjusting and, Balancing, Controls, A/C and Heat Pump Equipment, Furnaces and Heaters, Chimneys, Flues and Vents, Combustion Air, Ducts, Ventilation and Exhausts, Safety, Fuel Gas, LP Gas, Fuel Oil, Piping and more. Additionally, the South Carolina HVAC Exam Prep (Residential) includes narrated highlighting guides, practice tests, theory, calculations, instructor support and test-taking tips and strategies. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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South Carolina Air Conditioning (Commercial) Online Exam Prep Complete Package
$1,425.90View ProductThe South Carolina Air Conditioning Exam Prep (Commercial) Complete Package includes:
- South Carolina Mechanical Code 2021 Edition
- South Carolina Fuel Gas Code 2021 Edition
- Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
- Manual N – Commercial Load Calculation for Small Commercial Buildings
- Manual D – Residential Duct Systems
- Manual J – Residential Load Calcs
- ACCA Ductulator
- Modern Refrigeration and Air Conditioning
- South Carolina Air Conditioning Commercial Tab Pack
The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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Connecticut S-2 Unlimited Heating, Piping, and Cooling Journeyperson Tab Pack
$99.99View ProductPERMANENT TABS PACKAGE – This package includes state approved permanent tabs for all references allowed to be used during the exam.
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NFPA 31 2020 Standard for the Installation of Oil-Burning Equipment
$203.99View ProductNFPA 31, Standard for the Installation of Oil-Burning Equipment is the benchmark for the correct installation of boilers, air heaters, and other liquid fuel-burning equipment, and their fuel supplies. Designers, contractors, and installers rely on this Standard for guidance that protects property and building occupants by ensuring a fire-safe installation. Authorities having Jurisdiction (AHJs) and insurance underwriters depend on NFPA 31 requirements to verify the safety of installations in industrial, commercial, and residential occupancies.
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Florida Air A & B Contractor Online Exam Prep Complete Package
$2,989.73View ProductThe Florida Air A and Air B Online Exam Prep includes highlighting guides, practice tests, theory, calculations, instructor support and test taking tips and strategies. Topics in The Florida Air A and Air B Online Exam Prep include Heating, Ventilation, Air Conditioning, mechanical equipment, pipes, valves, fittings, and related components and more. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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North Carolina Heating Group1, Class 1, Contractor License – Books Only Package
$1,493.86View ProductNorth Carolina Heating Group 1, Class 1, Contractor License requires pre-approval prior to sitting for the state exam. As of this time we do not offer any courses for this exam. We do offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore. Please be sure to check back in the future for possible course material, as we are always adding to our course catalog.
IMPORTANT UPDATE
Per NC.gov:
“Update: November 11, 2025 – As of this date, the conditions of Section 5.12 (b) (see page 2) have not been met. This means that the effective date of the 2024 Building Code will be more than 12 months away. The earliest possible date is January 1, 2027, but that date has not been confirmed.”
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Nevada Refrigeration Contractor (C-21A) Online Exam Prep Complete Package
$782.95View ProductTo qualify to take this license exam, pre-approval is required. Applicants must be able to document a minimum of 4 years of experience within the past 10 years to qualify for a license and must also submit 4 reference certificates concerning their work experience and submit to a background check. The program takes you through each one of the reference books that the exam is based on showing you exactly what to highlight. After your highlighting is completed with each book, you have the option take an online practice test to reinforce concepts presented. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself.
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Idaho HVAC License (Contractor/Journeyman) Online Exam Prep Complete Package
$593.96View ProductIdaho HVAC License (Contractor/Journeyman) Online Exam Prep includes all references used during the exam, pre-printed tabs for all references allowed into the exam and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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New Jersey HVACR Trade Online Exam Prep Complete Package
$1,294.92View ProductThe New Jersey HVACR Trade Exam Prep Complete Package includes all references used for the exam including’s tabs for each reference along with 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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Georgia Conditioned Air Contractor (Class I) Online Exam Prep Complete Package
$1,945.86View ProductThe Georgia Conditioned Air Contractor (Class I) Complete Package includes Exam Prep narrated highlighting guides, practice tests, theory, calculations, instructor support and test-taking tips and strategies. Topics include HVAC Terms, Principles, Administration, HVAC Installation, Venting, Duct, Combustion Air, Gas Piping, HVAC Electrical, Boilers, Exhaust, & Fire Protection, and Refrigeration Term System and Operation and more. You will also receive all references used during the exam. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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North Carolina Heating Group 3, Class 11, Contractor License – Books Only Package
$1,074.91View ProductNorth Carolina Heating Group 3, Class 11, Contractor License requires pre-approval prior to sitting for the state exam. As of this time we do not offer any courses for this exam. We do offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore. Please be sure to check back in the future for possible course material, as we are always adding to our course catalog.
IMPORTANT UPDATE
Per NC.gov:
“Update: November 11, 2025 – As of this date, the conditions of Section 5.12 (b) (see page 2) have not been met. This means that the effective date of the 2024 Building Code will be more than 12 months away. The earliest possible date is January 1, 2027, but that date has not been confirmed.”
-

Employee Safety Handbook: General Industry
$26.99View ProductMancomm’s Employee Safety Handbooks provide awareness-level information across several safety and health-related topic areas pertinent to general industry and construction workplaces. The goal is providing an easy-to-read reference guide for all employees to enhance their understanding of safety principles, specific rules, potential workplace hazards, and accident prevention techniques that may be used throughout their workday or when confronted by potential dangers.
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Arkansas Class A HVACR Online Exam Prep Complete Package
$1,261.93View ProductOur complete package includes all references used to study for the exam, pre-printed tabs for only those references allowed to be brought into the exam center, and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself.
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Oklahoma HVACR (Unlimited) Online Exam Prep Complete Package
$1,447.91View ProductThe Oklahoma HVACR Exam Prep complete package includes all reference included in the exam, pre-printed tabs to for quick reference and Exam Prep to help you study and come familiar with the materials. The course includes narrated highlighting guides, practice tests, theory, calculations, instructor support and test-taking tips and strategies. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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Advanced Mechanical Study Guide 2nd Edition
$208.99View ProductThe Advanced Mechanical Study Guide 2nd Edition is designed for professionals and students seeking to deepen their understanding of mechanical systems and prepare for advanced examinations, certification or license renewal. The second edition updates foundational mechanical engineering topics — such as statics and dynamics, forces and motion, mechanical advantage and simple machines — and extends into more applied areas including mechanical drawing/drafting, fluid mechanics, thermodynamics, machinery components, and problem‑solving in real‑world mechanical scenarios.






