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Prepare for the Nevada Solar Air Conditioning Contractor (C-37C) examination with an exam book package built around the code reference and technical study materials used for solar air-conditioning preparation. This package includes the Uniform Plumbing Code, 2018, Code of Federal Regulations - 29 CFR Part 1926 (OSHA), and the Solar Water and Pool Heating Design and Installation Manual.
The Nevada C-37C Solar Air Conditioning Contractor examination is an open-book test. The Uniform Plumbing Code, 2018 is the exam-room-approved reference included in this package. The OSHA construction safety reference and the Solar Water and Pool Heating Design and Installation Manual are included for study but are not allowed into the trade examination room.
The Nevada C-37C examination contains 45 questions, allows 1.5 hours for completion, and requires 32 correct answers to pass. The test covers Piping, System Design, Pumps and Storage Systems, Collectors, System Valves and Controls, and Safety.
The Nevada C-37C Solar Air Conditioning subclassification covers the installation of collectors, piping, storage, and other equipment used in the conversion of solar energy to energy used for the control of air temperatures. This makes the examination focused on solar thermal air-conditioning systems rather than photovoltaic electrical generation.
Candidates should prepare for both code-based piping questions and practical solar thermal questions. Solar air-conditioning work brings together collectors, piping, circulation, pumps, storage equipment, heat-transfer components, valves, controls, and safe installation practices.
The Uniform Plumbing Code supports open-book preparation for piping and plumbing requirements, while the Solar Water and Pool Heating Design and Installation Manual supports practical system-design knowledge. OSHA 29 CFR Part 1926 supports preparation for construction safety topics.
This package gives Nevada C-37C candidates the exam-room code reference together with the study-only books needed to build broader technical knowledge before test day.
The Nevada C-37C Solar Air Conditioning Contractor examination contains 45 questions. Candidates are allowed 1.5 hours to complete the examination and must answer 32 questions correctly to pass.
The examination content is divided into the following subject areas:
System Design is the largest category, accounting for 15 of the 45 examination questions. Candidates should devote significant study time to complete solar thermal system layouts, circulation, component relationships, storage, collector arrangements, controls, and heat-transfer principles.
Piping accounts for 10 questions and is one of the most important areas for use of the Uniform Plumbing Code. Candidates should understand pipe materials, fittings, joining methods, supports, routing, insulation, valves, and related installation requirements.
Collectors represents 7 questions. Candidates should understand the role of solar collectors, how thermal energy is captured, and how collector placement, flow, mounting, and connection arrangements affect system performance.
Pumps and Storage Systems and Safety each account for 5 questions, while System Valves and Controls represents 3 questions.
With 45 questions in 1.5 hours, candidates have approximately two minutes per question on average. Efficient code navigation and strong retained trade knowledge are both important.
The Nevada C-37C Solar Air Conditioning Contractor examination is an open-book test.
The reference included in this package that is allowed into the trade examination is:
The following references are included for study but are not allowed into the trade examination room:
The Uniform Plumbing Code should be used regularly throughout preparation. Candidates should become familiar with its table of contents, index, definitions, chapter structure, tables, exceptions, and cross-references.
Open-book testing works best when the candidate already understands where information is likely to be found. Searching the entire book for every question can use too much testing time.
For questions involving piping materials, supports, fittings, valves, connections, or other plumbing requirements, identify the specific subject first and then navigate to the most likely section of the UPC.
Questions involving system design, collectors, pumps, storage, controls, or safety may rely more heavily on retained knowledge developed from study and field experience.
The two study-only references should therefore be used to build technical understanding before the examination rather than as exam-room lookup tools.
Nevada identifies C-37C as the Air-Conditioning subclassification of the broader C-37 Solar Contractor classification.
The C-37C scope covers the installation of collectors, piping, storage, and other equipment used in the conversion of solar energy to energy used for the control of air temperatures.
This classification is centered on solar thermal air-conditioning applications. It is distinct from photovoltaic electrical work, which involves generating electricity from solar energy.
C-37C work can involve solar collectors, circulation piping, pumps, storage equipment, heat-transfer components, valves, controls, and related equipment used to convert collected solar energy into energy for temperature control.
Candidates should understand how these components work together as a complete system. The exam outline reflects this integrated approach by testing system design, piping, collectors, pumps, storage, controls, and safety.
The C-37C trade examination is one part of Nevada contractor licensing. Applicants must also satisfy applicable qualification, application, business, financial, and other licensing requirements before a contractor license is issued.
A strong Nevada C-37C preparation plan should begin with System Design because it represents 15 of the 45 examination questions.
Candidates should understand how collectors, piping, pumps, storage equipment, valves, controls, and heat-transfer components work together rather than memorizing each component in isolation.
Follow the movement of energy through a solar thermal system. Understand how energy is captured at the collector, transferred into a working medium, circulated through the system, stored when necessary, and eventually used for controlling air temperatures.
Piping represents 10 questions and should receive substantial study attention. Review pipe materials, fittings, joining methods, supports, routing, insulation, expansion, and connection requirements.
The Uniform Plumbing Code, 2018 should be used throughout preparation. Practice locating code requirements by topic rather than relying only on remembered page numbers.
For example, choose a piping-material question, identify the relevant term, use the index, and locate the applicable UPC provision. Repeat the process with supports, fittings, valves, and connections.
Definitions can be important because technical terms may have specific code meanings. Understanding those definitions can help candidates determine which requirements apply.
Tables should receive regular attention. Important information involving materials, support requirements, sizing, or installation conditions may appear in tabular form.
Exceptions can modify a general rule. Candidates should read enough surrounding language to identify exceptions and qualifying conditions.
Cross-references may direct the reader to another section containing additional requirements. Practice following them instead of assuming the first section contains the full answer.
Collectors accounts for 7 questions. Candidates should understand collector purpose, mounting concepts, orientation, flow, circulation, connections, and how collectors integrate with the overall system.
Review how collector arrangement can affect system flow and how thermal energy is transferred from the collector into the circulating medium.
Pumps and Storage Systems accounts for 5 questions. Candidates should understand the role of circulation pumps, storage tanks, heat exchangers, and the relationship between collected energy and stored thermal capacity.
Review how pumps move fluid through collectors and piping and how storage helps make collected thermal energy available when needed.
System Valves and Controls represents 3 questions. Review shutoff valves, check valves, balancing devices, temperature controls, differential controls, and other components that regulate system operation.
Safety represents 5 questions. Use OSHA 29 CFR Part 1926 to prepare for jobsite hazards involving ladders, roof access, elevated work, tools, electrical hazards, material handling, personal protective equipment, and other construction activities.
Because the OSHA reference is not allowed into the exam room, candidates should build retained safety knowledge before test day.
The Solar Water and Pool Heating Design and Installation Manual can help connect many C-37C subjects into complete system understanding. Use it to review collectors, circulation, piping layouts, pumps, storage, controls, and heat-transfer relationships.
Because the manual is not allowed into the examination room, active recall can be useful. After reviewing a system layout, close the book and explain the purpose and sequence of each major component from memory.
Heat transfer is an important solar thermal concept. Candidates should understand how solar energy is collected, transferred to a working medium, circulated, stored, and converted into usable thermal energy for air-temperature control.
System balance should also receive attention. Proper flow through collectors and piping can affect performance, making balanced circulation an important practical concept.
Freeze protection can be relevant because solar thermal equipment and piping may be exposed to outdoor temperatures. Candidates should understand general methods used to protect exposed system components.
Insulation is important because unwanted heat loss can reduce the amount of useful thermal energy available to the system. Review why solar thermal piping is insulated and how environmental exposure affects insulation selection.
Thermal expansion should also be considered in systems exposed to elevated temperatures. Pipe movement, supports, materials, and system layout can all affect how expansion is accommodated.
A useful study schedule should follow the examination outline. Spend the largest blocks of time on System Design and Piping, followed by Collectors, Pumps and Storage Systems, Safety, and System Valves and Controls.
Once individual topics become familiar, move into mixed-question practice. The actual examination can shift quickly among system design, piping, collectors, pumps, controls, and safety.
Timed UPC lookup drills can improve open-book performance. Choose a plumbing topic and practice locating the applicable section within a limited period.
Do not expect the UPC to answer every question. The code is most useful for targeted code-based requirements, while many technical questions require retained solar thermal knowledge.
When a practice question is missed, identify why. The problem may involve weak trade knowledge, unfamiliar terminology, slow code navigation, or difficulty understanding the relationship among system components.
Correcting the underlying weakness is more valuable than memorizing one answer. This approach builds stronger preparation for unfamiliar questions on test day.
Time management should also be part of preparation. Answer familiar questions efficiently, use the UPC for targeted lookups, mark difficult questions, and return to them after completing items that can be answered more quickly.
Contractor Exam Prep supports Nevada C-37C Solar Air Conditioning Contractor candidates through organized study guidance, trade-focused review, practice-oriented preparation, reference navigation when applicable, and confidence-building study structure.
This exam book package combines the exam-room-approved Uniform Plumbing Code, 2018 with the Code of Federal Regulations - 29 CFR Part 1926 (OSHA) and the Solar Water and Pool Heating Design and Installation Manual.
Reference-navigation practice can help candidates become more comfortable locating piping, materials, fittings, supports, valves, connections, definitions, tables, exceptions, and related requirements in the UPC.
Trade-focused preparation supports stronger understanding of collectors, pumps, storage, piping, controls, circulation, heat-transfer principles, and complete solar air-conditioning systems.
Practice-oriented study can help candidates identify whether missed questions result from weak system-design knowledge, confusion about collector arrangements, slow UPC navigation, limited pump and storage knowledge, or safety weaknesses.
The goal is to help candidates approach the Nevada C-37C Solar Air Conditioning Contractor examination with stronger solar thermal knowledge, better Uniform Plumbing Code familiarity, improved reference-navigation skills, and a structured study routine without guaranteeing a passing score or licensing approval.
The Nevada C-37C examination contains 45 questions.
Candidates are allowed 1.5 hours to complete the examination.
Candidates must answer 32 questions correctly to pass the Nevada C-37C examination.
Yes. The Nevada C-37C examination is an open-book test.
The Uniform Plumbing Code, 2018 is the exam-room-approved reference included in this package.
No. OSHA 29 CFR Part 1926 is included for study but is not allowed into the trade examination room.
No. The Solar Water and Pool Heating Design and Installation Manual is included for study but is not allowed into the trade examination room.
System Design is the largest examination category with 15 questions.
Piping accounts for 10 questions.
Collectors accounts for 7 questions.
Yes. Pumps and Storage Systems accounts for 5 questions.
Yes. System Valves and Controls accounts for 3 questions.
Yes. Safety accounts for 5 questions.
The C-37C classification covers installation of collectors, piping, storage, and other equipment used to convert solar energy into energy used for the control of air temperatures.
No. The C-37C classification is focused on solar thermal equipment used for controlling air temperatures rather than photovoltaic electrical generation.
Yes. Regular navigation practice can help candidates locate piping, materials, fittings, supports, valves, and related plumbing provisions more efficiently during the open-book examination.
No. This package provides exam and study references designed to support organized preparation. Examination results depend on each candidate's experience, solar thermal knowledge, study, reference-navigation skills, and performance on test day.
