Arizona Air Conditioning and Refrigeration Commercial Contractor (C-39) Ultimate Exam Prep Rental Package

The Arizona Air Conditioning and Refrigeration Commercial Contractor (C-39) Ultimate Exam Prep Rental Package is designed for HVAC and refrigeration professionals preparing for the Arizona C-39 commercial contractor licensing exam and the contractor application process. This package brings together the listed trade references, exam prep support, Arizona Business & Law Exam Prep Course access, and Application Service in one organized rental-based package for candidates who want a complete preparation path.

The Arizona C-39 classification is a commercial air conditioning and refrigeration contractor classification regulated by the Arizona Registrar of Contractors. This license path is intended for contractors working in the commercial HVAC and refrigeration field. Candidates preparing for this exam should be ready to study mechanical systems, refrigeration principles, air conditioning systems, fuel gas systems, jobsite safety, duct design, low-pressure boiler concepts, code navigation, and contractor business and law requirements.

This Ultimate package is built for candidates who want more than a loose set of books. It helps you prepare with structured course access, practical reference review, and licensing application support. The listed references support the technical exam preparation process, while the included Arizona Business & Law Exam Prep Course helps candidates prepare for the business and law portion of the Arizona contractor licensing process.

Open-book contractor exams require a different type of preparation than simple memorization. Candidates need to understand trade concepts, but they also need to know how to locate information quickly in the approved references. The goal is to become familiar with the books before exam day, understand how the chapters and indexes are organized, and build confidence using the materials under timed testing conditions.

Please allow up to 15 business days for ultimate book package orders.

Exam Details

The Arizona Air Conditioning and Refrigeration Commercial Contractor (C-39) exam is a trade-focused contractor licensing exam for commercial HVAC and refrigeration work in Arizona. The exam preparation process should include review of commercial air conditioning systems, refrigeration systems, evaporative cooling, heating, ventilating, ductwork, controls, fuel gas systems, code requirements, safety standards, and related trade practices.

The technical side of this package is centered on the listed references. The Code of Federal Regulations – 29 CFR Part 1926 supports preparation for OSHA construction safety requirements. The 2018 International Fuel Gas Code supports fuel gas piping, appliances, combustion air, venting, testing, installation, and safety-related code topics. The 2018 International Mechanical Code supports mechanical system installation, ventilation, exhaust systems, duct systems, equipment clearances, combustion air, mechanical requirements, and related HVAC code provisions.

Modern Refrigeration and Air Conditioning, 22nd Edition supports broad HVAC and refrigeration trade preparation. Candidates can use it to review refrigeration cycles, air conditioning equipment, heating systems, components, controls, service principles, diagnostics, and applied field knowledge. Low Pressure Boilers, 5th Edition supports review of boiler operation, components, safety concepts, controls, and heating-system knowledge. Manual D, 2016, 3rd Edition and the Ductulator support duct design, air distribution, airflow, duct sizing, and practical calculation review.

This package also includes the Arizona Business & Law Exam Prep Course. Arizona contractor applicants commonly need to prepare not only for the trade exam, but also for the business and law exam connected to contractor licensing. Business and law preparation supports topics such as contractor responsibilities, licensing rules, business practices, project administration, contracts, compliance, and other non-trade requirements that may apply to the Arizona licensing process.

For many candidates, the most effective exam preparation plan combines technical study, code navigation, practice review, and business law preparation. The Arizona C-39 Ultimate Exam Prep Rental Package is designed to support that complete path by giving candidates the listed books, course access, Application Service, and a structured way to prepare.

Open Book Test

The Arizona C-39 Air Conditioning and Refrigeration Commercial Contractor exam is an open-book exam. Open-book testing allows approved references to be used during the exam, but candidates should not confuse open-book testing with easy testing. The challenge is knowing where information is located and being able to find it quickly while managing exam time.

Open-book preparation should include repeated practice with the references. Candidates should become familiar with each book’s table of contents, index, chapter layout, definitions, tables, diagrams, and major topic sections. A strong open-book strategy helps candidates avoid wasting time flipping through pages without direction.

The OSHA reference, International Fuel Gas Code, and International Mechanical Code are especially important for code and safety review. These books may require candidates to locate specific rules, tables, definitions, or installation requirements. The trade references help candidates build the background knowledge needed to understand the question and use the books effectively.

Good open-book preparation also includes learning how the exam references connect to real HVAC and refrigeration work. Fuel gas questions may relate to equipment, piping, venting, combustion air, or safety. Mechanical code questions may involve ventilation, ductwork, clearances, exhaust systems, or installation requirements. Safety questions may involve construction conditions, hazard recognition, protective equipment, ladders, scaffolds, tools, excavation, or general jobsite practices.

Because the exam is timed, candidates should practice locating answers before test day. The more comfortable you are with the organization of the books, the more confident you can be when working through exam questions.

Licensing Steps

The Arizona commercial contractor licensing process is handled through the Arizona Registrar of Contractors. Candidates pursuing the C-39 Air Conditioning and Refrigeration Commercial Contractor classification should begin by confirming that the C-39 classification matches the commercial HVAC and refrigeration work they intend to perform.

After selecting the correct classification, candidates should prepare for the required exams. This package supports preparation for the C-39 trade exam and includes the Arizona Business & Law Exam Prep Course. A complete preparation plan should include trade study, code review, safety review, business and law review, and open-book reference navigation practice.

Once candidates are ready to test, they must follow the current exam registration process through the approved testing provider. After completing the required exams, the licensing process continues with the Arizona Registrar of Contractors application. The application stage may involve business information, qualifying party information, license classification selection, bonding or financial requirements, background-related items, and other documentation required by the state.

This Ultimate package includes Application Service to help candidates stay organized during the application process. Application Service is intended to support the paperwork side of the licensing process so candidates are not left to navigate the next steps alone after preparing for the exam.

A practical licensing strategy is to prepare early, study consistently, organize the required documents, and understand the state’s expectations before applying. Contractor licensing is both a testing process and an application process, and this package is designed to support both parts of that journey.

State Requirements

The Arizona Registrar of Contractors licenses and regulates contractor classifications in Arizona. The C-39 Air Conditioning and Refrigeration classification is a commercial specialty classification for air conditioning and refrigeration work. Candidates pursuing this classification should be preparing for commercial HVAC and refrigeration work rather than a residential-only license path.

Commercial HVAC and refrigeration contractors may work with systems involving air conditioning, refrigeration, evaporative cooling, ventilation, heating, ductwork, controls, mechanical equipment, and related commercial systems within the allowed scope of the classification. Candidates should review the current state classification information and make sure the C-39 license is appropriate for their intended contracting work.

Arizona contractor licensing is separate from simply owning tools, working in the trade, or purchasing exam materials. Candidates must satisfy the applicable state licensing process before performing regulated contracting work as a licensed contractor. The process may include examinations, application materials, business-related requirements, financial or bonding items, and documentation required by the Arizona Registrar of Contractors.

This package helps candidates prepare for the exam and licensing process with a more complete structure. The trade references help support technical preparation, the Arizona Business & Law Exam Prep Course supports the business and law portion, and Application Service supports organization during the licensing paperwork stage.

Reference Books

Please allow up to 15 business days for ultimate book package orders.

• Included Book: Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
  This reference supports construction safety preparation, including OSHA safety standards related to jobsite hazards, worker protection, equipment use, safe work practices, and construction-site compliance topics.
• Included Book: International Fuel Gas Code (IFGC), 2018
  This code reference supports study of fuel gas systems, including gas piping, appliance installation, combustion air, venting, pressure testing, materials, sizing concepts, and fuel gas safety requirements.
• Included Book: International Mechanical Code (IMC), 2018
  This mechanical code reference supports preparation for HVAC equipment, ventilation, exhaust, duct systems, mechanical installation requirements, combustion air, equipment clearances, and related mechanical provisions.
• Included Book: Modern Refrigeration and Air Conditioning, 22nd Edition
  This trade reference supports broad HVAC and refrigeration study, including refrigeration cycles, air conditioning systems, heating systems, controls, components, troubleshooting, service practices, and applied trade knowledge.
• Included Book: Low Pressure Boilers, 5th Edition
  This reference supports review of low-pressure boiler concepts, boiler components, safety practices, controls, operation, maintenance, and heating-system knowledge useful for HVAC contractor preparation.
• Included Book: Manual D, 2016, 3rd Edition
  This duct design reference supports study of residential duct system design principles, airflow, distribution, sizing concepts, fittings, pressure losses, and duct layout fundamentals.
• Included Book: Ductulator
  This duct-sizing tool supports practice with airflow, friction rate, velocity, duct sizing, and air distribution calculations used in HVAC design and field planning.

Exam Room Approved Books

• Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
  This OSHA construction safety reference is used for safety-related exam preparation and code navigation.
• International Fuel Gas Code (IFGC), 2018
  This fuel gas code reference is used for questions involving gas piping, venting, appliances, combustion air, pressure testing, and related fuel gas requirements.
• International Mechanical Code (IMC), 2018
  This mechanical code reference is used for questions involving HVAC systems, ventilation, exhaust, ductwork, mechanical equipment, and installation requirements.

Test Information and Study Materials

This Arizona C-39 Ultimate Exam Prep Rental Package supports both technical exam preparation and licensing process organization. The trade exam preparation materials focus on the HVAC and refrigeration knowledge areas that commercial air conditioning and refrigeration contractors need to understand. The included Arizona Business & Law Exam Prep Course supports the business and law side of the contractor licensing process.

Candidates should build a study schedule that covers all major reference categories. Start with the safety and code books, because open-book exam questions often require candidates to locate specific rules or requirements. Study OSHA 29 CFR Part 1926 for construction safety concepts. Review the International Fuel Gas Code for fuel gas systems. Work through the International Mechanical Code for mechanical system installation, ventilation, exhaust, duct systems, equipment, and combustion air topics.

After reviewing the code references, candidates should spend time with the trade materials. Modern Refrigeration and Air Conditioning can help reinforce the practical principles behind refrigeration, air conditioning, heating, controls, service, and troubleshooting. Low Pressure Boilers helps strengthen boiler-related heating knowledge. Manual D and the Ductulator support air distribution and duct sizing preparation.

Business and law preparation should not be left until the last minute. Contractors are expected to understand more than field work. They also need to understand licensing responsibilities, business operations, rules, compliance, contracts, and project-related responsibilities. The included Arizona Business & Law Exam Prep Course helps candidates prepare for this portion of the licensing process with focused study support.

With 1 year of course access, candidates have time to review, revisit difficult topics, and study at a realistic pace. The package is designed for candidates who want to prepare carefully instead of rushing through the material right before testing.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps Arizona C-39 candidates prepare with an organized approach that combines reference materials, course access, business and law preparation, and Application Service. Contractor licensing can feel overwhelming when candidates are trying to understand the exam, the books, the business and law requirements, and the application process at the same time. This package is designed to make that path more manageable.

The course access helps guide candidates through trade-focused preparation and reference review. Instead of opening several books without a plan, candidates can study with a structure that supports better retention and better open-book navigation. The goal is to build familiarity with the materials and improve confidence before exam day.

Reference navigation is a major part of open-book contractor exam preparation. 1 Exam Prep helps candidates focus on how to use the books, not just what the books contain. Candidates should learn how to move through indexes, code sections, tables, definitions, diagrams, and technical chapters efficiently. That kind of preparation can make a major difference in how comfortable a candidate feels during a timed exam.

The included Arizona Business & Law Exam Prep Course adds support for the non-trade side of the licensing process. Many candidates are comfortable with HVAC work but less comfortable with contractor rules, business practices, and law-related exam content. Including business and law preparation helps create a more complete licensing prep package.

Application Service is also included with this Ultimate package. That support helps candidates stay organized as they move from exam preparation into the application stage. The service is designed to help reduce confusion around the licensing paperwork process and support candidates as they work toward completing the Arizona contractor licensing requirements.

This package does not guarantee a passing score, licensing approval, or a specific outcome. It is designed to give candidates a stronger preparation structure, the listed references, 1 year of course access, Arizona Business & Law Exam Prep Course support, and Application Service to help them work toward their licensing goal with more confidence.

FAQ Section

Who is this Arizona C-39 Ultimate Exam Prep Rental Package for?

This package is for candidates preparing for the Arizona Air Conditioning and Refrigeration Commercial Contractor (C-39) licensing exam and contractor application process. It is designed for commercial HVAC and refrigeration professionals, qualifying party candidates, business owners, and contractors who want structured exam preparation with books, course access, business and law support, and Application Service included.

Is the Arizona C-39 exam open book?

Yes. The Arizona C-39 Air Conditioning and Refrigeration Commercial Contractor exam is an open-book exam. Candidates should prepare by learning how to use the approved references quickly and accurately during a timed testing session.

What books are included in this rental package?

This package includes Code of Federal Regulations – 29 CFR Part 1926 (OSHA), International Fuel Gas Code (IFGC), 2018, International Mechanical Code (IMC), 2018, Modern Refrigeration and Air Conditioning, 22nd Edition, Low Pressure Boilers, 5th Edition, Manual D, 2016, 3rd Edition, and a Ductulator.

Does this package include the Arizona Business & Law Exam Prep Course?

Yes. This package includes the Arizona Business & Law Exam Prep Course. This helps candidates prepare for the business and law portion of the Arizona contractor licensing process in addition to the C-39 trade exam preparation.

How much course access is included?

This Ultimate package includes 1 year of course access. The course access gives candidates time to study the trade materials, review business and law content, revisit difficult topics, and prepare with a consistent study plan.

Is Application Service included?

Yes. Application Service is included with this Ultimate package. Application Service helps candidates stay organized during the Arizona contractor licensing application process after exam preparation.

What is the package price?

The package price is $1,665. The refundable deposit is $550. The total due today is $2,215.

Why is there a refundable deposit?

This is a rental package, and the refundable deposit is connected to the rental materials. The total due today includes the package price plus the refundable deposit.

How long should I allow for an Ultimate book package order?

Please allow up to 15 business days for ultimate book package orders. This helps account for package processing and fulfillment of the rental materials included with the Ultimate package.

Does this package guarantee that I will pass the exam?

No. This package does not guarantee a passing score, licensing approval, or any specific exam outcome. It is designed to support preparation through organized materials, trade-focused review, open-book reference navigation, business and law preparation, and application support.

How should I study for the Arizona C-39 open-book exam?

Study the references before exam day, learn each book’s table of contents and index, practice locating code sections, review safety and mechanical topics, and work through trade concepts using the included materials. Open-book testing is most effective when candidates know how to use the books quickly and confidently.

Why choose 1 Exam Prep for Arizona C-39 exam preparation?

1 Exam Prep supports candidates with a complete preparation package that includes listed rental books, 1 year of course access, Arizona Business & Law Exam Prep Course access, Application Service, and study guidance designed around the Arizona C-39 contractor licensing goal.