Arizona Air Conditioning and Refrigeration, Including Solar Residential Contractor (R-39) Exam Book Package

Arizona Air Conditioning and Refrigeration, Including Solar Residential Contractor (R-39) Exam Book Package

The Arizona Air Conditioning and Refrigeration, Including Solar Residential Contractor (R-39) Exam Book Package is designed for candidates preparing for the Arizona residential air conditioning, refrigeration, and solar contractor exam path. This package brings together important references for OSHA construction safety, fuel gas systems, mechanical systems, plumbing code, refrigeration, air conditioning, boiler fundamentals, duct sizing, and solar water and pool heating. These books and study materials support organized preparation for residential HVAC, refrigeration, and solar-related contractor work.

The Arizona R-39 classification focuses on residential air conditioning and refrigeration, including solar. Candidates preparing for this exam should be ready to study residential comfort air conditioning systems, refrigeration, evaporative cooling, ventilation, heating equipment, controls, fuel gas piping, water piping, ductwork, solar thermal systems, collection loops, components, mounting, installation, maintenance, and solar systems piping. This exam book package gives candidates a focused set of references that support both technical trade knowledge and code-based preparation.

Residential HVAC and refrigeration work requires a strong understanding of how systems are installed, serviced, sized, inspected, and operated safely. Adding solar to the classification expands the preparation into solar water and pool heating concepts, including collector systems, piping, mounting, system components, and maintenance. Candidates should be comfortable using code books, safety standards, trade references, and sizing tools as part of a complete study routine.

Because this exam path uses open book testing with approved references, preparation should include more than simply owning the books. Candidates need to know how each reference is organized, which topics belong in each book, and how to locate information quickly during a timed exam. A strong study plan includes reading the exam outline, reviewing each reference, creating approved permanent tabs, highlighting useful material before test day, and practicing timed lookup.

This package is especially useful for HVAC technicians, residential mechanical contractors, refrigeration professionals, solar thermal installers, service technicians, installers, and qualifying parties preparing for the Arizona R-39 residential contractor exam. The references support preparation for both traditional residential HVAC and refrigeration subjects and solar-related system knowledge.

Exam Details

The Arizona air conditioning and refrigeration, including solar exam path includes air conditioning and refrigeration trade content along with solar-related content. The air conditioning and refrigeration trade examination includes 80 questions, a 210-minute time limit, and a minimum passing score of 70%.

The air conditioning and refrigeration exam content 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, inspection, sizing, and estimating. These topics provide a practical study roadmap for candidates preparing for the residential R-39 classification.

The solar portion includes 30 questions and a 75-minute time limit. Solar exam topics include collection loops, components, installation, maintenance, mounting, principles, and solar systems piping. Candidates preparing for the R-39 classification should study both the HVAC and refrigeration subject areas and the solar thermal topics that connect to residential work.

The exam may include direct reference lookup questions, practical trade knowledge questions, and questions that require a candidate to choose the correct reference before finding the answer. A fuel gas question may point toward the International Fuel Gas Code. A mechanical system, duct, combustion air, or refrigeration code question may point toward the International Mechanical Code. A water piping or plumbing-related system question may point toward the International Plumbing Code. A safety question may point toward OSHA. A solar piping, collector, or solar system question may require solar water and pool heating study material.

Because the exam is timed, candidates should practice using the references before testing. The goal is to read a question, identify the subject, select the best book, and locate the answer efficiently. Candidates who combine trade knowledge with strong reference-navigation skills are better prepared for an open book testing format.

Open Book Test

The Arizona air conditioning and refrigeration, including solar contractor exam path uses approved references for open book testing. Candidates are responsible for bringing their own approved references to the examination center and following all testing rules for permitted materials, book preparation, tabs, notes, and calculator use.

For the air conditioning and refrigeration portion, the exam-room-approved references include Code of Federal Regulations - 29 CFR Part 1926 (OSHA), International Fuel Gas Code, 2018, International Mechanical Code, 2018, and International Plumbing Code, 2018. These references support safety, fuel gas, mechanical, plumbing, water piping, heating, ventilation, refrigeration, duct, hydronic, and related code questions.

Reference materials may be highlighted, underlined, annotated, and indexed before the exam session. Candidates may not write, highlight, underline, or index the books during the exam. This makes book preparation an important part of the study process. Markings should be clear, organized, and useful for locating information quickly.

References may be tabbed with permanent tabs only. Permanent tabs are tabs that would tear the page if removed. Temporary tabs, removable notes, sticky notes, and tabs that can be removed without tearing the page are not allowed. Candidates should remove unapproved temporary tabs or loose notes before test day.

A silent, nonprinting, non-programmable calculator may be used in the examination center. Candidates should follow all current testing center procedures for identification, check-in, personal belongings, permitted materials, and conduct during the examination.

Several materials in this package are valuable study references rather than exam-room-approved references for the main air conditioning and refrigeration trade exam. Modern Refrigeration and Air Conditioning, Low Pressure Boilers, Ductulator, and Solar Water and Pool Heating Design and Installation Manual support technical preparation and practical trade understanding. These materials help candidates review refrigeration, air conditioning, boiler systems, airflow, duct sizing, solar thermal principles, collectors, piping, mounting, components, and system maintenance.

Licensing Steps

Arizona contractor licensing is handled through the Arizona Registrar of Contractors. A candidate pursuing the Arizona Air Conditioning and Refrigeration, Including Solar Residential Contractor (R-39) license should begin by confirming that the residential R-39 classification matches the work the business intends to perform.

After identifying the correct classification, the candidate should review the required examination path. Arizona contractor licensing may include trade examination requirements, statutes and rules requirements, qualifying party requirements, experience requirements, bonding, business entity information, and application documentation. This exam book package supports the technical study portion of the licensing process.

The qualifying party is responsible for demonstrating the knowledge and experience required for the license classification. Candidates should prepare for the required trade examination using the approved references and supporting study materials included in this package. After preparation, the candidate can schedule testing through the proper examination process and complete the exam according to current testing procedures.

Once examination requirements are satisfied, the applicant continues through the Arizona contractor license application process. This may include submitting the correct license application, naming the qualifying party, meeting experience requirements, obtaining any required bond, and satisfying other state licensing requirements that apply to the classification and business structure.

This exam book package does not replace the state licensing application. It supports preparation for the trade exam by giving candidates the references needed to review residential HVAC, refrigeration, solar, fuel gas, mechanical, plumbing, boiler, duct, and OSHA safety topics connected to the Arizona R-39 classification.

State Requirements

The Arizona Registrar of Contractors issues residential, commercial, and dual contractor license classifications. The R-39 classification is a residential air conditioning and refrigeration, including solar classification. Candidates preparing for this license should understand the residential scope of work and the added solar-related knowledge associated with the classification.

The residential side of the classification includes installation and repair of comfort air conditioning systems, including refrigeration, evaporative cooling, ventilating, and heating equipment. It also includes installation and repair of machinery, units, accessories, refrigerator rooms, insulated refrigerated spaces, and controls in refrigerators. When necessary, a new circuit may be added to an existing service panel or sub-panel, but installation of a new service panel or sub-panel is excluded.

The “including solar” portion adds solar-related preparation to the classification. Candidates should be familiar with solar system principles, collection loops, system components, installation, maintenance, mounting, and solar systems piping. These topics connect naturally to residential water movement, piping, system integration, controls, mounting conditions, and safe installation practices.

For study purposes, candidates should connect the license scope to the exam outline. Refrigeration and air conditioning questions may involve system components, refrigerant cycle knowledge, equipment operation, installation practices, mechanical code requirements, and troubleshooting concepts. Fuel gas questions may involve gas piping, venting, combustion air, appliance connections, pressure testing, and safe installation. Plumbing and water piping questions may involve piping materials, system connections, water distribution, and related code requirements. Solar questions may involve collectors, mounting, circulation loops, components, maintenance, piping, and system principles.

Arizona licensing involves more than passing the trade exam. Applicants should also be ready to follow state requirements for the license application, qualifying party, experience, bonding, and compliance with contractor laws and rules. The exam book package helps with the technical preparation portion of the licensing path, while the licensing application itself is controlled by the state.

Reference Books

• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  This construction safety reference supports preparation for OSHA-related exam content, including jobsite safety, hazard recognition, fall protection, ladders, scaffolds, personal protective equipment, tools, material handling, and safe construction practices.
• International Fuel Gas Code, 2018
  This fuel gas code reference supports study for gas piping, pipe sizing, combustion air, venting, appliance installation, pressure testing, clearances, gas-fired equipment, and safety requirements related to fuel gas systems.
• International Mechanical Code, 2018
  This mechanical code reference supports preparation for heating, ventilation, air conditioning, duct systems, exhaust systems, combustion air, refrigeration, hydronic piping, equipment installation, and mechanical system compliance.
• International Plumbing Code, 2018
  This plumbing code reference supports study for plumbing system requirements, water piping, drainage concepts, fixture connections, piping materials, system installation, and code provisions related to mechanical and solar thermal work.
• Modern Refrigeration and Air Conditioning, 22nd Edition
  This HVAC trade reference supports study of refrigeration and air conditioning principles, system components, compressors, condensers, evaporators, metering devices, controls, motors, heating, ventilation, electrical concepts, and practical service knowledge.
• Low Pressure Boilers, 5th Edition
  This boiler reference supports study of low pressure steam and hot water systems, boiler operation, safety devices, controls, piping, fittings, maintenance, combustion, and related heating system concepts.
• Ductulator
  This duct sizing tool supports practice with airflow, duct dimensions, friction rate, velocity, and practical HVAC sizing concepts used in duct design, estimating, inspection, and balancing preparation.
• Solar Water and Pool Heating Design and Installation Manual
  This solar thermal reference supports preparation for solar water heating and pool heating systems, including collectors, circulation loops, components, installation methods, mounting, maintenance, system principles, and solar piping concepts.

Exam Room Approved Books

• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  This reference may be used in the exam room for construction safety questions when prepared according to testing center rules.
• International Fuel Gas Code, 2018
  This reference may be used in the exam room for fuel gas questions, including gas piping, combustion air, venting, appliance installation, gas-fired equipment, and pressure testing.
• International Mechanical Code, 2018
  This reference may be used in the exam room for mechanical code questions, including HVAC equipment, ventilation, duct systems, refrigeration, hydronic piping, combustion air, and equipment installation requirements.
• International Plumbing Code, 2018
  This reference may be used in the exam room for plumbing code questions, including water piping, system installation, plumbing requirements, and related code provisions that support mechanical and solar thermal work.

Test Information and Study Materials

A strong study plan should begin with the exam content outlines. Candidates should divide preparation across air conditioning and refrigeration topics and solar-related topics. The main trade exam includes refrigeration, air conditioning, warm air heating, controls and motors, boilers, ventilation, evaporative coolers, fuel piping, water piping, steam and hot water systems, chilled and condensing water, testing, balancing, inspection, sizing, and estimating. The solar portion includes collection loops, components, installation, maintenance, mounting, principles, and solar systems piping.

When studying the International Mechanical Code, candidates should focus on general mechanical requirements, ventilation, exhaust systems, duct systems, combustion air, chimneys and vents, refrigeration, hydronic piping, and equipment installation. Candidates should practice using the index, definitions, tables, and chapter headings to locate information quickly.

When studying the International Fuel Gas Code, candidates should review gas piping systems, pipe sizing, appliance installation, combustion air, venting, pressure testing, shutoff valves, connectors, clearances, and fuel gas safety requirements. Fuel gas questions often require careful reading because the answer may depend on equipment type, piping material, system condition, venting method, or installation location.

When studying the International Plumbing Code, candidates should focus on water piping, piping materials, system installation, general plumbing requirements, fixture and equipment connections, and code topics that connect to mechanical and solar thermal work. Plumbing code knowledge is especially useful for questions involving water movement, system connections, piping, and related installation requirements.

When studying OSHA, candidates should focus on safety requirements that apply to HVAC, refrigeration, mechanical, and solar work on residential jobsites. This may include ladders, scaffolds, fall protection, personal protective equipment, hazard communication, hand and power tools, material handling, electrical safety awareness, and general safe work practices.

Modern Refrigeration and Air Conditioning supports the technical side of preparation. Candidates should review refrigeration cycles, compressors, condensers, evaporators, metering devices, refrigerants, heat transfer, motors, electrical controls, heating systems, ventilation, and troubleshooting concepts. These topics help candidates understand the systems behind exam questions that are not simple code lookup questions.

Low Pressure Boilers supports preparation for boiler-related topics. Candidates should review steam and hot water boiler systems, boiler safety, pressure and temperature concepts, controls, fittings, valves, piping, combustion, maintenance, and safe operation. Boiler questions may require both technical understanding and practical field judgment.

The Ductulator supports preparation for airflow and duct sizing questions. Candidates should understand the relationship between airflow, duct size, friction rate, velocity, fittings, static pressure, and system performance. Duct knowledge is useful for ventilation, balancing, inspection, sizing, estimating, and system performance questions.

Solar Water and Pool Heating Design and Installation Manual supports the solar portion of preparation. Candidates should review solar system principles, collection loops, components, mounting, installation, maintenance, circulation, piping, and system operation. Solar-related preparation should connect design concepts with practical installation knowledge, safe roof and equipment work, system layout, component function, and integration with residential water or mechanical systems.

Preparation should include repeated timed lookup practice. Candidates should read a question, identify the topic, select the most appropriate reference, and locate the answer efficiently. This routine helps build confidence and supports stronger performance in an open book testing environment.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps contractor candidates prepare with organized study guidance, trade-focused review, and exam preparation resources built around licensing exams. For the Arizona Air Conditioning and Refrigeration, Including Solar Residential Contractor (R-39) exam, candidates need a strong understanding of HVAC and refrigeration systems, solar thermal content, and approved reference navigation.

This book package supports that preparation by giving candidates the core references needed for structured study. The code books help candidates prepare for open book exam navigation. The trade references help reinforce the technical knowledge behind refrigeration, air conditioning, boilers, airflow, duct sizing, controls, motors, fuel piping, water piping, testing, balancing, inspection, sizing, estimating, and solar water and pool heating systems.

1 Exam Prep focuses on practical preparation. Candidates should know where information is located, how the books are organized, and which reference applies to each topic. With consistent review, proper book organization, and practice-oriented study, candidates can approach the Arizona R-39 exam with a clearer strategy and stronger confidence.

For open book exams, confidence comes from familiarity. Candidates who organize their references, study the trade topics, and practice timed lookup are better prepared for the testing experience. The goal is not to promise a specific result. The goal is to support realistic preparation through structured review, reference navigation, trade-focused study, and confidence-building exam readiness.

FAQ Section

What books are included in this Arizona R-39 Exam Book Package?

This package includes Code of Federal Regulations - 29 CFR Part 1926 (OSHA), International Fuel Gas Code, 2018, International Mechanical Code, 2018, International Plumbing Code, 2018, Modern Refrigeration and Air Conditioning, 22nd Edition, Low Pressure Boilers, 5th Edition, Ductulator, and Solar Water and Pool Heating Design and Installation Manual.

Is the Arizona R-39 exam open book?

Yes. The Arizona air conditioning and refrigeration, including solar contractor exam path uses approved references for open book testing. Candidates must bring their own approved references and follow exam center rules for tabs, highlighting, annotations, and permitted materials.

How many questions are on the air conditioning and refrigeration exam?

The air conditioning and refrigeration trade exam includes 80 questions. The time allowed is 210 minutes, and the minimum passing score is 70%.

How many questions are on the solar exam?

The solar exam includes 30 questions and a 75-minute time limit. Solar topics include collection loops, components, installation, maintenance, mounting, principles, and solar systems piping.

Which books are approved for the exam room?

The exam-room-approved references for the air conditioning and refrigeration portion include Code of Federal Regulations - 29 CFR Part 1926 (OSHA), International Fuel Gas Code, 2018, International Mechanical Code, 2018, and International Plumbing Code, 2018.

Is the solar manual included in this package?

Yes. This package includes Solar Water and Pool Heating Design and Installation Manual to support study for solar water heating, pool heating, collectors, piping, mounting, components, installation, and maintenance topics.

Can I mark my books before exam day?

Yes. References may be highlighted, underlined, annotated, and indexed before the exam session. Candidates may not write, highlight, underline, or index the books during the exam.

Are removable tabs allowed in the exam books?

No. Temporary tabs, removable notes, and removable sticky tabs are not allowed. Permanent tabs are allowed when they would tear the page if removed.

Who should use this Arizona R-39 Exam Book Package?

This package is intended for candidates preparing for the Arizona Air Conditioning and Refrigeration, Including Solar Residential Contractor (R-39) exam and for professionals who want focused references for residential HVAC, refrigeration, fuel gas, mechanical code, plumbing, boilers, ducts, OSHA safety, and solar thermal preparation.