Arizona Air Conditioning and Refrigeration Residential Contractor (R-39R) Exam - Online Exam Prep

The Arizona Air Conditioning and Refrigeration Residential Contractor (R-39R) Exam - Online Exam Prep course is designed for contractors, qualifying parties, HVAC technicians, refrigeration technicians, and trade professionals preparing for the Arizona R-39R Air Conditioning and Refrigeration trade exam. This online exam prep product supports focused preparation for residential HVACR work, including air conditioning, refrigeration, warm air heating, fuel gas systems, mechanical systems, duct design, boilers, controls, motors, ventilation, evaporative cooling, water piping, system sizing, testing, balancing, inspections, and OSHA construction safety.

The Arizona R-39R classification is a residential specialty contractor classification connected to air conditioning and refrigeration work. Students preparing for this exam should be ready to review a wide range of technical topics and reference materials. The exam is built around practical HVACR knowledge, code familiarity, safety awareness, system operation, and the ability to locate information efficiently in approved references during a timed testing session.

This course helps students study with structure instead of relying on scattered review. The Arizona Air Conditioning and Refrigeration Residential Contractor (R-39R) Exam - Online Exam Prep course is organized around the major subjects that appear on the exam outline, including refrigeration, air conditioning, warm air heating, controls and motors, boilers, ventilation, evaporative coolers, fuel piping systems, water piping systems, steam, hot, chilled, and condensing water, testing and balancing, inspections, sizing, and estimating.

Residential HVACR work requires more than equipment familiarity. Contractors may need to understand airflow, refrigerant-cycle principles, fuel gas piping, combustion air, venting, heating equipment, duct systems, system sizing, condensate handling, hydronic concepts, controls, motors, safety standards, and code requirements. The R-39R exam reflects that broad scope. A strong preparation plan should include both technical study and practice using the references that support the test.

This online exam prep course is a strong fit for experienced HVAC professionals who understand field work but need a better way to prepare for a licensing exam. Field experience is valuable, but exam performance also depends on pacing, question interpretation, reference navigation, and familiarity with the official subject areas. A technician may know how to install or service an air conditioning system and still need practice reading exam questions, identifying keywords, and finding information quickly in the approved books.

Exam Details

The Arizona R-39R/C-39 (CR-39) Air Conditioning and Refrigeration trade exam is administered through PSI for the Arizona Registrar of Contractors trade examination program. The published exam outline lists 80 questions, a minimum passing score of 70%, and 210 minutes of allowed testing time.

The exam content outline includes the following subject areas:

• Refrigeration: 12 items
• Air Conditioning: 12 items
• Warm Air Heating: 12 items
• Controls and Motors: 8 items
• Boilers: 4 items
• Ventilation: 4 items
• Evaporative Coolers: 4 items
• Fuel Piping Systems: 5 items
• Water Piping Systems: 5 items
• Steam, Hot, Chilled, and Condensing Water: 5 items
• Testing, Balancing, and Inspections: 5 items
• Sizing and Estimating: 4 items

The examination may include questions based on listed reference materials, trade knowledge, and general industry practices. Code questions are based on the code editions listed for the examination. For this product, the code references include the International Fuel Gas Code, 2018, and the International Mechanical Code, 2018.

Because the R-39R exam covers residential air conditioning and refrigeration topics, students should prepare for questions involving equipment operation, installation practices, system components, airflow, duct sizing, refrigerant-cycle concepts, heating systems, fuel gas requirements, mechanical code topics, and jobsite safety. The exam also includes smaller but important sections on boilers, ventilation, evaporative cooling, water piping, hydronic systems, testing, balancing, inspections, sizing, and estimating.

With 80 questions and 210 minutes, students have time to work carefully, but the test still requires efficient pacing. A strong study plan includes learning the topic areas, practicing exam-style questions, marking approved books properly before test day, and becoming comfortable with the references under timed conditions.

Open Book Test

The Arizona R-39R Air Conditioning and Refrigeration trade exam is an open book test. Candidates are responsible for bringing their own approved references to the examination center. The allowed exam-room references may be used during the test, but they must follow PSI rules for markings, annotations, tabs, and binding.

Reference materials may be highlighted, underlined, annotated, and indexed before the examination session. Candidates may not write, highlight, underline, or index references during the exam. Additional papers, whether loose or attached, are not permitted with the approved references.

References may be tabbed or indexed with permanent tabs only. Permanent tabs are tabs that would tear the page if removed. Temporary removable tabs, including Post-It notes or similar removable tabs, are not allowed and must be removed before the exam begins. Downloaded references may be brought into the testing center when bound, such as spiral binding or hole-punched pages placed in a binder.

A silent, nonprinting, non-programmable calculator may be used in the examination center. Since this is an open book exam, students should practice using the books before test day. Knowing where key sections are located can make a major difference when working through fuel gas, mechanical code, OSHA safety, sizing, and installation questions under a time limit.

Licensing Steps

The Arizona Registrar of Contractors licenses and regulates contractors in Arizona. Candidates pursuing the Arizona R-39R Air Conditioning and Refrigeration residential contractor license should follow the Arizona ROC licensing process for the classification and business structure they plan to use.

The qualifying party is the person who completes the examination requirements for the license. For many applicants, the licensing process includes completing the required trade exam, satisfying the Arizona Statutes and Rules Training Course and Exam when required, preparing business and identification documents, completing background check requirements, obtaining the required contractor license bond, and submitting the license application to the Arizona ROC.

A practical licensing path for the Arizona R-39R residential contractor license includes:

1. Confirm that the R-39R Air Conditioning and Refrigeration residential classification matches the work the business intends to perform.
2. Prepare for the R-39R trade examination using the approved references and online exam prep materials.
3. Complete the Arizona Statutes and Rules Training Course and Exam when required by the Arizona ROC.
4. Prepare identification, background check, qualifying party, and business documentation.
5. Obtain the required contractor license bond for the residential license classification.
6. Submit the completed Arizona contractor license application and required fees through the Arizona ROC process.
7. Respond to any application corrections or document requests from the Arizona Registrar of Contractors.

The trade exam is one part of the licensing process. Passing the exam does not automatically issue the contractor license. The Arizona ROC reviews the application and supporting documents before granting the license. Applicants should make sure the business name, ownership information, qualifying party information, and required documents are consistent before submitting the application.

State Requirements

The Arizona R-39R Air Conditioning and Refrigeration classification is a residential specialty contractor classification. Arizona issues separate residential, commercial, and dual license classifications, so applicants should select the classification that matches the type of HVACR work they plan to perform.

The air conditioning and refrigeration scope includes installation and repair of comfort air conditioning systems, refrigeration, evaporative cooling, ventilating, heating systems, related machinery, units, accessories, refrigerator rooms, insulated refrigerated spaces, and controls. Residential candidates should prepare for technical knowledge connected to home comfort systems, residential heating and cooling equipment, fuel gas requirements, mechanical code topics, duct systems, airflow, refrigeration, controls, and safety.

Arizona contractor applicants should understand that licensing involves both exam readiness and application readiness. The Arizona ROC may require examination completion, SRE completion when applicable, background checks, bonding, fees, and complete application documentation. The contractor license is issued through the Arizona ROC, not through the testing provider.

After licensure, contractors should stay within the authorized scope of the R-39R classification. HVACR work can involve safety-sensitive systems, gas piping, ventilation, mechanical equipment, refrigeration components, electrical controls, and equipment operation. Work outside the license classification may require a different Arizona contractor license classification or additional authorization.

Reference Books

• Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
  This reference supports OSHA construction safety review, including jobsite hazard recognition, safe work practices, protective equipment, and construction safety rules that may appear on the exam.
• International Fuel Gas Code (IFGC), 2018
  This code reference supports study of fuel gas piping, combustion air, venting, appliances, gas system installation, and fuel gas code compliance for HVACR work.
• International Mechanical Code (IMC), 2018
  This code reference supports review of mechanical systems, ventilation, duct systems, exhaust, equipment installation, refrigeration, hydronic piping, and mechanical code requirements.
• Modern Refrigeration and Air Conditioning, 22nd Edition
  This HVACR reference supports study of refrigeration principles, air conditioning systems, equipment components, controls, service procedures, troubleshooting concepts, and system operation.
• Low Pressure Boilers, 5th Edition
  This reference supports review of boiler operation, boiler components, safety controls, steam and hot water concepts, combustion, maintenance, and boiler-related trade knowledge.
• Manual D, 2016, 3rd Edition
  This reference supports study of duct system design principles, airflow, duct sizing, fittings, layout concepts, and duct system performance.
• Ductulator
  This duct sizing tool supports review of airflow, friction rate, duct sizing, velocity, and practical duct design concepts used in HVAC system planning.

Exam Room Approved Books

The following references are allowed in the examination center for the Arizona R-39R/C-39 (CR-39) Air Conditioning and Refrigeration trade exam:

• Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
  Allowed OSHA construction safety reference for exam-room use, including the latest available amendments or the PSI selections version.
• International Fuel Gas Code (IFGC), 2018
  Allowed fuel gas code reference for exam-room use.
• International Mechanical Code (IMC), 2018
  Allowed mechanical code reference for exam-room use.

The exam outline also identifies additional HVACR references and study tools that support preparation. Students should study those materials because the exam may include questions based on trade knowledge and general industry practices. A complete preparation plan combines navigation of the exam-room approved references with technical review from the HVACR support materials listed for this product.

Test Information and Study Materials

The Arizona Air Conditioning and Refrigeration Residential Contractor (R-39R) Exam - Online Exam Prep course helps students review the technical areas listed in the exam outline and become more comfortable using the approved references. Since the R-39R exam covers 12 subject areas, students should use a balanced study schedule that includes code review, trade review, calculation practice, and timed exam-style questions.

For refrigeration, students should review the refrigeration cycle, compressors, condensers, evaporators, metering devices, refrigerants, controls, piping practices, system operation, troubleshooting, and safe work procedures. Refrigeration questions may test both component recognition and system behavior.

For air conditioning, students should study cooling equipment, airflow, heat transfer, coils, condensate handling, system efficiency, controls, equipment installation, and operating conditions. Air conditioning questions may connect field knowledge with mechanical code requirements and common residential system practices.

For warm air heating, students should review furnaces, combustion, venting, heat exchangers, burners, safeties, ignition systems, controls, ducts, and airflow. Fuel gas code knowledge is especially useful when studying gas-fired heating equipment and venting requirements.

For controls and motors, students should review electrical control concepts, relays, contactors, thermostats, safeties, motor operation, control circuits, and troubleshooting basics. HVACR contractors need a practical understanding of how motors and controls operate within mechanical systems.

For boilers and hydronic topics, students should review boiler components, low-pressure boiler operation, steam systems, hot water systems, chilled water systems, condensing water, pumps, valves, piping arrangements, safety controls, and system maintenance. These areas may not be the largest part of the exam, but they still require focused review.

For ventilation and duct systems, students should review mechanical ventilation, air distribution, ducts, fittings, exhaust systems, makeup air, duct sizing, airflow, pressure, balancing, and system performance. Manual D and the Ductulator support duct design and airflow review, while the IMC supports code compliance topics.

For fuel piping systems, students should study the International Fuel Gas Code, including pipe sizing, materials, appliance connections, combustion air, venting, installation requirements, and safety provisions. Fuel gas questions require careful reading because small details can change the correct answer.

For testing, balancing, and inspections, students should review system startup, airflow measurement, balancing procedures, performance checks, safety inspections, code compliance, and common inspection concerns. For sizing and estimating, students should review basic quantity takeoff concepts, equipment sizing awareness, duct sizing, and job planning.

Students should prepare by combining technical study with book navigation. The allowed references can be marked before test day within PSI rules, so students should use highlighting, annotations, and permanent tabs to organize frequently used sections. The goal is to know where important information is located before the timer starts.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps students prepare for the Arizona Air Conditioning and Refrigeration Residential Contractor (R-39R) exam with organized online study support built for contractor licensing preparation. The course helps students focus on the exam outline, review major HVACR subjects, and become more comfortable using the approved references in an open book testing environment.

This online exam prep course gives students a structured way to study refrigeration, air conditioning, warm air heating, controls, motors, boilers, ventilation, evaporative cooling, fuel gas piping, water piping, hydronic systems, testing, balancing, inspections, sizing, estimating, and OSHA construction safety. Instead of trying to study every topic at once, students can work through the material in a more organized and manageable way.

1 Exam Prep also supports reference navigation. For an open book exam, students need to know more than the general topic. They need to understand how the OSHA, IFGC, and IMC references are organized, where key sections are located, and how to move through the books without wasting time. Reference familiarity can make a major difference in a timed exam setting.

The course is helpful for experienced HVAC technicians and contractors who need exam-specific preparation. Work experience is important, but licensing exams require careful reading, pacing, and the ability to identify the best answer from multiple choices. 1 Exam Prep helps students convert field knowledge into a more exam-ready study approach.

With consistent use, students can build a stronger study routine, identify weak areas, review key references, practice applying code and trade knowledge, and approach the Arizona R-39R exam with greater confidence. The course is promotional, practical, and realistic, supporting preparation without promising exam results, licensing approval, or business outcomes.

FAQ Section

What is the Arizona R-39R Air Conditioning and Refrigeration exam?

The Arizona R-39R exam is the residential Air Conditioning and Refrigeration trade exam used for the Arizona residential HVACR contractor licensing path.

Is the Arizona R-39R exam open book?

Yes. The Arizona R-39R Air Conditioning and Refrigeration trade exam is open book. Candidates must bring their own approved references and follow PSI rules for markings, permanent tabs, and binding.

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

The published exam outline lists 80 questions for the Arizona R-39R/C-39 (CR-39) Air Conditioning and Refrigeration trade exam.

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

The published minimum passing score is 70%.

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

The published time allowed is 210 minutes.

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

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

Which books are allowed in the exam room?

The allowed exam-room references are Code of Federal Regulations – 29 CFR Part 1926 (OSHA), International Fuel Gas Code (IFGC), 2018, and International Mechanical Code (IMC), 2018.

Are Modern Refrigeration and Air Conditioning, Low Pressure Boilers, Manual D, and the Ductulator used for study?

Yes. These materials support HVACR trade knowledge, boilers, duct design, airflow, refrigeration, and system operation study. They are useful for preparation, even though the exam-room approved references are limited to the allowed books listed for the examination center.

Can I use permanent tabs in my references?

Permanent tabs are allowed when they meet PSI rules. Temporary removable tabs are not allowed and must be removed before the exam begins.

Who should take this online exam prep course?

This course is for contractors, qualifying parties, HVAC technicians, refrigeration technicians, and trade professionals preparing for the Arizona Air Conditioning and Refrigeration Residential Contractor (R-39R) exam.