Arizona Air Conditioning and Refrigeration Commercial Contractor (C-39) Ultimate Books Exam Room Approved + Course + Application Package

The Arizona Air Conditioning and Refrigeration Commercial Contractor (C-39) Ultimate Books Exam Room Approved + Course + Application Package is designed for candidates preparing for the Arizona C-39 Air Conditioning and Refrigeration commercial contractor trade exam. This complete package combines approved exam-room books, 1 year of course access, and Application Service support in one organized preparation option for contractors pursuing the Arizona commercial air conditioning and refrigeration contractor license classification.

The C-39 classification is focused on commercial air conditioning and refrigeration work. Candidates preparing for this license should be ready to study refrigeration systems, air conditioning systems, warm air heating, controls, motors, boilers, ventilation, evaporative coolers, fuel piping, water piping, steam piping, hot water piping, chilled water piping, condensing water systems, system testing, balancing, inspections, sizing, estimating, and construction safety. Commercial HVAC/R work requires strong technical knowledge, code awareness, safety preparation, and practical reference-book navigation.

This Ultimate package is built for students who want a complete preparation path instead of purchasing books, course access, and application support separately. The approved exam-room books included with this package are Code of Federal Regulations - 29 CFR Part 1926 (OSHA), International Fuel Gas Code, 2018, and International Mechanical Code, 2018. These references support preparation for construction safety, fuel gas systems, mechanical systems, air conditioning, refrigeration, ventilation, equipment installation, combustion air, venting, piping, and commercial HVAC/R code topics.

The Arizona C-39 exam is an open book test that allows specific approved references in the examination center. The books included in this package are highlighted and tabbed for exam preparation, helping candidates study with a more organized set of references. Candidates should still practice using the books before test day so they can locate information quickly during the timed exam.

Please allow up to 15 business days for ultimate books exam room approved package orders.

Exam Details

The Arizona Air Conditioning and Refrigeration Commercial Contractor (C-39) trade exam includes 80 questions, allows 210 minutes, and requires a minimum passing score of 70%. The exam is designed for candidates preparing to qualify for commercial air conditioning and refrigeration work under the Arizona C-39 contractor classification.

The exam content outline includes refrigeration, air conditioning, warm air heating, controls and motors, boilers, ventilation, evaporative coolers, fuel piping, water piping, steam piping, hot water piping, chilled water piping, condensing water systems, testing, balancing, inspections, sizing, and estimating. These categories reflect the broad technical knowledge expected from a commercial HVAC/R contractor responsible for installing, servicing, repairing, and coordinating mechanical systems.

Refrigeration preparation may include refrigeration cycle concepts, compressors, condensers, evaporators, metering devices, refrigerant piping, system components, pressure-temperature relationships, system operation, leak awareness, service procedures, and troubleshooting concepts. Candidates should understand how refrigeration systems operate as complete systems instead of studying isolated parts only.

Air conditioning preparation may include equipment types, cooling operation, air distribution, ducts, condensate disposal, airflow, equipment installation, service access, controls, and system performance. Commercial air conditioning work may involve larger systems, more equipment coordination, mechanical room conditions, roof-mounted equipment, ventilation requirements, and more detailed code considerations.

Warm air heating preparation may include furnaces, heat exchangers, burners, combustion air, venting, gas piping, safety controls, air circulation, and equipment installation. Candidates should use the International Fuel Gas Code, 2018 to prepare for fuel gas piping, combustion air, appliance connections, shutoff valves, venting, definitions, and gas safety topics.

Controls and motors preparation may include thermostats, relays, contactors, control circuits, motor types, overload protection awareness, equipment starting, system sequencing, and troubleshooting concepts. A commercial HVAC/R contractor should understand how control systems and motors affect system operation, comfort, performance, and service diagnosis.

Boilers, water piping, steam piping, hot water piping, chilled water piping, and condensing water systems may appear in preparation because commercial HVAC/R work can involve hydronic and mechanical piping systems. Candidates should review pipe materials, fittings, valves, pumps, supports, pressure considerations, flow concepts, equipment connections, testing, and system coordination.

Ventilation preparation should include mechanical ventilation concepts, exhaust systems, outdoor air, duct systems, equipment location, service access, combustion air awareness, and code-related mechanical requirements. The International Mechanical Code, 2018 supports preparation for mechanical system topics, equipment installation, ventilation, exhaust, duct systems, and commercial mechanical requirements.

Evaporative cooler preparation may include operating principles, water supply, pads, pumps, airflow, maintenance, controls, drains, and installation conditions. Candidates should understand how evaporative coolers differ from refrigeration-based cooling systems and how their components work together.

Safety should be studied with OSHA 29 CFR Part 1926. Commercial air conditioning and refrigeration work can involve ladders, scaffolds, roof access, fall hazards, electrical hazard awareness, refrigerant handling awareness, lifting, rigging, piping, brazing, tools, material handling, personal protective equipment, and active jobsite coordination. Candidates should prepare for safety topics with both reference knowledge and practical jobsite awareness.

Open Book Test

The Arizona C-39 Air Conditioning and Refrigeration commercial contractor exam is an open book test. Candidates may bring specific approved references into the examination center. The approved references included with this package are Code of Federal Regulations - 29 CFR Part 1926 (OSHA), International Fuel Gas Code, 2018, and International Mechanical Code, 2018.

Open book does not mean the exam is simple. Candidates must be able to identify the subject being tested, choose the correct reference, locate information efficiently, and apply the answer to the question. The approved books are most useful when the candidate has practiced using them before the exam.

Approved references may be highlighted, underlined, annotated, and indexed before the examination session. Candidates may not write, highlight, underline, or add indexing during the exam. Book preparation should be completed before test day so the materials are ready for use during the timed examination.

References may be tabbed or indexed with permanent tabs only. Permanent tabs are tabs that would tear the page if removed. Temporary tabs, removable sticky notes, loose papers, and extra attached papers are not allowed. This package supports preparation by providing books that are highlighted and tabbed for exam preparation.

For this exam, candidates should practice using every reference in the package. OSHA 29 CFR Part 1926 supports construction safety and employee protection preparation. The International Fuel Gas Code, 2018 supports fuel gas piping, appliance connection, combustion air, shutoff valve, venting, and gas safety preparation. The International Mechanical Code, 2018 supports air conditioning, refrigeration, ventilation, mechanical equipment, duct systems, exhaust, equipment access, and mechanical code preparation.

Strong open-book preparation includes learning how each book is organized, using the table of contents and index, reading definitions, locating tables, following exceptions, and confirming requirements before selecting an answer. The highlighted and tabbed books included in this package help support faster navigation, but consistent practice before test day is still important.

Licensing Steps

Arizona contractor licensing is regulated by the Arizona Registrar of Contractors. Candidates pursuing the C-39 Air Conditioning and Refrigeration Commercial Contractor classification should prepare for the required trade examination and complete the contractor licensing application process connected to the classification.

The licensing process generally begins with confirming that the C-39 classification matches the work the contractor intends to perform. Arizona contractor licenses are classification-specific, so selecting the correct classification is important. The C-39 classification is intended for contractors seeking a commercial air conditioning and refrigeration scope within the permitted classification.

After confirming the correct classification, candidates should prepare for the trade exam by studying the exam content areas, reviewing the approved references, practicing book navigation, and building familiarity with refrigeration, air conditioning, warm air heating, controls, motors, boilers, ventilation, evaporative coolers, fuel piping, water piping, system testing, balancing, inspections, sizing, estimating, and construction safety.

The contractor application process may include business information, qualifying party information, documentation, and other licensing materials required for the Arizona contractor license application. This Ultimate package includes Application Service support to help candidates stay organized while working through the licensing process.

Application Service is included because exam preparation and licensing paperwork are both important parts of the contractor licensing goal. Passing the trade exam is a major step, but the application must also be completed properly. Organized application support helps candidates focus on study while keeping the licensing process moving forward.

State Requirements

The Arizona C-39 Air Conditioning and Refrigeration Commercial Contractor classification is tied to commercial HVAC/R work within the permitted Arizona contractor license scope. Candidates preparing for this classification should understand that it is a commercial contractor license classification, which makes it different from residential-only and dual residential/commercial air conditioning and refrigeration classifications.

Commercial air conditioning and refrigeration work may involve refrigeration equipment, air conditioning equipment, heating equipment, duct systems, ventilation, fuel gas piping, hydronic piping, boilers, water piping, controls, motors, mechanical equipment installation, service access, testing, balancing, and inspection readiness. Candidates should prepare with the commercial scope in mind rather than focusing only on smaller residential equipment.

State requirements matter because they define the type of contracting work that may be performed under the license. Candidates should prepare for the required examination, use the correct classification, and complete the application process carefully. This package supports both the study side and the application side by combining approved books, course access, highlighted and tabbed references, and Application Service.

Commercial HVAC/R contractors must understand equipment operation, code compliance, system sizing, piping, ventilation, gas safety, controls, mechanical coordination, installation conditions, maintenance awareness, and jobsite safety. The C-39 exam is designed to test knowledge connected to these responsibilities and the references used in the trade.

Commercial HVAC/R systems may involve larger equipment, rooftop units, mechanical rooms, packaged systems, refrigeration equipment, ventilation systems, piping networks, equipment supports, multiple zones, and coordination with other trades. A complete preparation plan should include trade review, code review, reference-book use, exam timing practice, and application organization.

Reference Books

• Included Book: Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  This construction safety reference supports preparation for safety and employee protection topics. It helps candidates review OSHA construction standards, jobsite hazard awareness, worker protection, fall protection, ladder and scaffold safety, personal protective equipment, tool safety, material handling, excavation awareness, and safe work practices.
• Included Book: International Fuel Gas Code, 2018
  This fuel gas code reference supports preparation for gas piping, appliance connections, combustion air, venting, pipe sizing, shutoff valves, installation requirements, definitions, and fuel gas safety topics connected to commercial HVAC/R work.
• Included Book: International Mechanical Code, 2018
  This mechanical code reference supports preparation for air conditioning, refrigeration, ventilation, exhaust systems, duct systems, mechanical equipment installation, combustion air, service access, mechanical piping awareness, and commercial mechanical code requirements.

Exam Room Approved Books

The following exam-room-approved books are included with this Arizona C-39 Ultimate package:

• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  Approved for use in the examination center for construction safety and employee protection preparation.
• International Fuel Gas Code, 2018
  Approved for use in the examination center and used for fuel gas code preparation based on the listed code edition.
• International Mechanical Code, 2018
  Approved for use in the examination center and used for mechanical code preparation based on the listed code edition.

All books are highlighted and tabbed for exam preparation. Candidates should still spend time using the books before exam day so the organization, tabs, indexes, tables, definitions, and important sections become familiar. A prepared reference book is most useful when the candidate knows how to move through it confidently.

For open-book contractor exams, reference navigation is a major study skill. Candidates should practice locating information under timed conditions, moving from question keywords to index entries, and confirming answers in the correct code section. This helps turn the approved books into active exam tools rather than unfamiliar references.

Test Information and Study Materials

The Arizona C-39 Air Conditioning and Refrigeration Commercial Contractor exam includes 80 questions and allows 210 minutes. The passing score is 70%. The content outline includes refrigeration, air conditioning, warm air heating, controls and motors, boilers, ventilation, evaporative coolers, fuel piping, water piping, steam piping, hot water piping, chilled water piping, condensing water systems, testing, balancing, inspections, sizing, and estimating.

A strong study plan should begin with the largest trade categories. Refrigeration, air conditioning, warm air heating, controls, motors, ventilation, and fuel piping should receive consistent attention. Candidates should also review hydronic piping, boilers, evaporative coolers, testing, balancing, inspections, sizing, and estimating because these subjects support broader commercial HVAC/R readiness.

The International Mechanical Code, 2018 should be used regularly during preparation. Candidates should become familiar with the table of contents, definitions, equipment installation requirements, ventilation provisions, exhaust requirements, duct systems, combustion air references, refrigeration-related provisions, access requirements, and mechanical code tables. Mechanical code questions often require careful reading and correct reference use.

The International Fuel Gas Code, 2018 should be reviewed for gas-related topics. Candidates should study gas piping, pipe sizing concepts, appliance connections, shutoff valves, combustion air, venting, installation rules, definitions, and fuel gas safety. Fuel gas topics are important because commercial HVAC/R work often connects to gas-fired heating equipment and related fuel piping systems.

Refrigeration preparation should include system components, compressor operation, condensers, evaporators, metering devices, refrigerant flow, service considerations, pressure and temperature concepts, and troubleshooting awareness. Air conditioning preparation should include cooling equipment, duct systems, airflow, condensate, controls, equipment location, system performance, and installation requirements.

Heating preparation should include warm air systems, furnaces, combustion, burners, ventilation, flues, controls, and safety devices. Controls and motors preparation should include electrical control awareness, motor operation, contactors, relays, thermostats, switches, overload protection concepts, and system sequence of operation.

Safety preparation should include OSHA 29 CFR Part 1926. Candidates should review construction safety standards related to fall protection, ladders, scaffolds, roof access, personal protective equipment, power tools, hand tools, material handling, housekeeping, hazard communication, and safe jobsite behavior. Commercial HVAC/R work may involve rooftop equipment, ladders, lifts, piping, brazing, refrigerant systems, electrical hazard awareness, and heavy equipment handling, making safety preparation important.

Reference navigation should be practiced throughout the study process. Candidates should know where major OSHA sections are located, how the IFGC is organized, how the IMC is organized, how to use indexes, how to find definitions, and how to confirm requirements in the correct book. Since this package includes highlighted and tabbed books, students can use the prepared references to build familiarity and speed before exam day.

The included course gives candidates a structured way to prepare. Instead of jumping between disconnected topics, students can review major subject areas, reinforce trade concepts, practice reference navigation, and build confidence with exam-style preparation. The included 1 year of course access gives students time to work through the material at a manageable pace.

Time management should also be part of preparation. With 80 questions in 210 minutes, candidates should practice reading carefully, deciding when to use a reference, and moving forward when a question takes too long. Preparation should build commercial HVAC/R knowledge, code familiarity, and confidence with the open-book exam format.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps Arizona C-39 candidates prepare with a complete package that includes exam-room-approved books, 1 year of course access, and Application Service support. This combination is designed for commercial air conditioning and refrigeration contractors who want an organized preparation path for the Arizona C-39 contractor classification.

The course supports trade-focused review by helping students work through refrigeration, air conditioning, warm air heating, controls, motors, boilers, ventilation, evaporative coolers, fuel piping, water piping, steam, hot water, chilled water and condensing water systems, testing, balancing, inspections, sizing, estimating, code requirements, and safety preparation. Candidates can use the course to structure study sessions and focus on the topics most relevant to the C-39 exam.

For open-book contractor exams, book navigation is a major part of preparation. 1 Exam Prep supports that process by providing approved books that are highlighted and tabbed for exam preparation. Students can focus on learning how to use the references, locate important sections, and apply HVAC/R knowledge to exam-style questions.

Application Service support is included with this Ultimate package. This helps candidates stay organized while working through the Arizona contractor licensing process. Preparing for a contractor license can involve both exam readiness and application paperwork, so support for the application side can make the overall process easier to manage.

This package does not guarantee a passing score, licensing approval, or a specific outcome. It provides a practical preparation system with approved books, structured course access, highlighted and tabbed references, and application support so candidates can study with direction and confidence.

The C-39 exam covers a detailed range of commercial air conditioning, refrigeration, heating, controls, ventilation, piping, code, and safety topics. 1 Exam Prep helps students approach that material in a more manageable way by combining study guidance, reference organization, practice-oriented preparation, and application support into one package.

FAQ Section

What is included in this Arizona C-39 Ultimate package?

This package includes Code of Federal Regulations - 29 CFR Part 1926 (OSHA), International Fuel Gas Code, 2018, International Mechanical Code, 2018, 1 year of course access, and Application Service.

Are all books highlighted and tabbed?

Yes. All books are highlighted and tabbed for exam preparation.

What is the package price?

The package price is $1,215. The refundable deposit is $150, and the total due today is $1,365.

Is the $150 deposit refundable?

Yes. This package includes a $150 refundable deposit.

How long should I allow for this package order?

Please allow up to 15 business days for ultimate books exam room approved package orders.

Is the Arizona C-39 exam open book?

Yes. The Arizona C-39 Air Conditioning and Refrigeration Commercial Contractor exam allows approved references in the examination center, subject to exam-room rules.

Which books are approved for the C-39 exam room?

The approved books included in this package are Code of Federal Regulations - 29 CFR Part 1926 (OSHA), International Fuel Gas Code, 2018, and International Mechanical Code, 2018.

How many questions are on the Arizona C-39 exam?

The Arizona C-39 exam has 80 questions.

How much time is allowed for the Arizona C-39 exam?

The time allowed for the Arizona C-39 exam is 210 minutes.

What score is required to pass the Arizona C-39 exam?

A minimum passing score of 70% is required.

What topics are covered on the Arizona C-39 exam?

The exam covers refrigeration, air conditioning, warm air heating, controls and motors, boilers, ventilation, evaporative coolers, fuel piping, water piping, steam, hot water, chilled water and condensing water systems, testing, balancing, inspections, sizing, and estimating.

What does the Arizona C-39 classification focus on?

The C-39 classification is for commercial air conditioning and refrigeration work within the permitted Arizona contractor license scope.

Does this package include fuel gas and mechanical references?

Yes. This package includes the International Fuel Gas Code, 2018 and the International Mechanical Code, 2018.

Does this package include course access?

Yes. This Ultimate package includes 1 year of course access.

Does this package include Application Service?

Yes. Application Service is included with this Arizona C-39 Ultimate package.

Who should purchase this package?

This package is for candidates preparing for the Arizona Air Conditioning and Refrigeration Commercial Contractor (C-39) exam who want approved books, course access, and application support in one package.