Prepare for the Oklahoma Refrigeration Contractor licensing examinations with a comprehensive rental package that combines the technical refrigeration references and contractor Business and Law materials associated with the Oklahoma mechanical contractor licensing process.
This Oklahoma Refrigeration Contractor Book Rental Package includes the International Mechanical Code, 2018, Modern Refrigeration and Air Conditioning, 22nd Edition, Code of Federal Regulations - 29 CFR Part 1926 (OSHA), Oklahoma mechanical licensing laws and regulations, Oklahoma lien law, the Construction Industries Board fine schedule, the NASCLA Contractors Guide to Business, Law and Project Management, 14th Edition, and the Oklahoma Workers’ Compensation Act.
All rental books are highlighted and tabbed to support organized study and efficient reference navigation. Candidates can work directly with the books while preparing for refrigeration systems, electrical controls, refrigerants, piping, equipment, troubleshooting, safety, contractor business practices, licensing requirements, and project-management responsibilities.
The rental format provides access to a broad set of technical and contractor references without requiring candidates to purchase each book individually. The books should be used throughout preparation so candidates become familiar with their organization, major chapters, code sections, tables, regulations, and business topics before examination day.
Please allow up to 15 business days for book & course rental package orders.
The Oklahoma Refrigeration Contractor examination evaluates contractor-level knowledge of refrigeration systems, electrical components and controls, refrigerants, refrigeration piping, equipment, system operation, troubleshooting, installation, maintenance, repair, and safety.
The technical Refrigeration Contractor examination contains 80 questions. Candidates are allowed 210 minutes to complete the examination, and the required passing score is 70%.
The major technical examination areas include:
Electrical Knowledge and Controls is an important part of refrigeration contractor preparation. Candidates should review electrical fundamentals, AC and DC circuits, motors, meters, relays, and control systems. Refrigeration contractors regularly work with electrically operated equipment, so understanding electrical components and control sequences is essential to troubleshooting and system operation.
Refrigeration equipment preparation includes compressors, condensers, evaporators, valves, receivers, accumulators, expansion devices, dryers, and other components involved in the refrigeration cycle. Candidates should understand both the purpose of individual components and how they interact as part of a complete system.
Refrigeration Systems Operations includes troubleshooting, installation, maintenance, repair, and overall system operation. Candidates should be able to connect symptoms with possible system conditions and understand how refrigerant pressures, temperatures, components, piping, airflow, and electrical controls work together.
Contractor applicants must also prepare for Oklahoma Business and Law requirements. The additional rental references support study of contractor licensing, financial management, contracts, liens, workers’ compensation, project management, risk management, labor, payroll, and other responsibilities associated with operating a contracting business.
The Oklahoma Refrigeration Contractor examination is an open-book test using approved reference materials. Candidates may use permitted books during the examination according to the testing provider’s rules.
Open-book testing makes reference navigation an important study skill. Candidates should know which book is most appropriate for each type of question instead of searching randomly through multiple references.
The International Mechanical Code, 2018 supports code-related refrigeration and mechanical-system questions. Modern Refrigeration and Air Conditioning, 22nd Edition supports refrigeration theory, electrical controls, system components, installation, troubleshooting, and service. OSHA 29 CFR Part 1926 supports construction safety topics.
The Oklahoma-specific licensing and business references support contractor-level preparation involving licensing laws, administrative rules, fines, liens, workers’ compensation, and business-management responsibilities. The NASCLA Contractors Guide supports broader business subjects such as estimating, contracts, financial management, personnel, project management, and risk.
Approved references may be highlighted, underlined, and indexed in accordance with current exam rules. Permanent tabs can help candidates organize major subjects and move through approved books more efficiently.
The included highlighted and tabbed rental books give candidates an organized set of references to use throughout preparation. Repeated practice with these same books can help build familiarity with where important topics are located.
Oklahoma mechanical contractor licensing is administered by the Oklahoma Construction Industries Board. A Refrigeration Contractor license authorizes the license holder to install, alter, modify, service, maintain, or repair refrigeration products, systems, or equipment, including associated process piping.
Contractor applicants must meet the same basic qualification requirements applicable to a journeyman and obtain an additional one year of experience in the mechanical trade.
Oklahoma also requires a mechanical contractor to be a permanent employee, owner, partner, or officer of the mechanical firm associated with the contractor license.
After the applicable examinations are successfully completed, additional requirements apply before the contractor license becomes active. Active Oklahoma plumbing, electrical, and mechanical contractors are required to maintain a $5,000 corporate surety bond payable to the Oklahoma Construction Industries Board.
An active mechanical contractor must also provide evidence of at least $50,000 in commercial general liability insurance. Maintaining current insurance is an ongoing requirement for active contractor status.
Mechanical contractors and journeymen are required to complete six hours of approved continuing education within the 36 months preceding license expiration.
Contractors also have responsibilities involving apprentice supervision, license display, advertising, bids, contracts, and other requirements established by Oklahoma mechanical licensing laws and regulations.
All rental books are highlighted and tabbed to support focused study and efficient navigation. Candidates should practice with the books regularly so the tabs, sections, and organization become familiar before testing.
A strong Oklahoma Refrigeration Contractor study plan should balance technical refrigeration preparation with contractor Business and Law review.
Electrical Knowledge and Controls should receive substantial attention. Review voltage, current, resistance, motors, AC and DC circuits, electrical meters, relays, controls, and system sequences. Understanding how electrical controls interact with refrigeration equipment is important for both installation and troubleshooting.
Refrigerants should be studied with attention to refrigerant types, system behavior, pressure-temperature relationships, and general refrigeration theory. Candidates should understand how refrigerant conditions affect system performance.
Piping preparation should include pipe materials, sizing, supports, and pressure testing. Refrigeration piping affects system reliability and performance, so candidates should understand the principles behind proper installation and testing.
Refrigeration Equipment and Components should include compressors, condensers, evaporators, valves, receivers, accumulators, expansion devices, and dryers. Study each component individually and then review how the complete refrigeration cycle connects them.
System Operations should include installation, maintenance, repair, and troubleshooting. Rather than memorizing isolated faults, candidates should practice evaluating how electrical controls, refrigerant pressures, temperatures, airflow, piping, and mechanical components interact.
Safety preparation should include the OSHA construction requirements applicable to mechanical work. Candidates should recognize safe practices involving tools, ladders, protective equipment, hazardous materials, electrical equipment, elevated work, and other construction hazards.
For Business and Law preparation, candidates should review Oklahoma mechanical licensing requirements, bidding and estimating, project management, contracts, financial responsibilities, labor, workers’ compensation, risk management, liens, insurance, bonds, payroll, and contractor compliance.
Reference-navigation practice should be part of every study session. Identify the question topic first, determine which reference is most likely to contain the information, and then locate the appropriate chapter, section, table, statute, or regulation.
The highlighted and tabbed rental books support this study process by providing an organized reference set. Candidates should still practice locating information repeatedly so the book organization becomes familiar instead of depending only on the tabs.
1 Exam Prep supports Oklahoma Refrigeration Contractor candidates through organized study guidance, refrigeration-focused review, contractor Business and Law preparation, practice-oriented study, and reference-navigation support.
This rental package brings together the technical and contractor references associated with the licensing process, allowing candidates to study refrigeration systems and contractor business responsibilities from an organized collection of materials.
The highlighted and tabbed books can help candidates move more efficiently between important subjects during preparation. Candidates can practice locating mechanical code provisions, refrigeration information, OSHA requirements, Oklahoma licensing regulations, lien provisions, and contractor business topics.
1 Exam Prep encourages candidates to divide preparation into manageable areas. Technical study can focus on electrical controls, refrigerants, piping, refrigeration equipment, system operation, and safety, while contractor preparation can focus on licensing, estimating, contracts, project management, financial responsibilities, workers’ compensation, liens, and risk management.
Practice-oriented preparation can also help candidates identify weaker areas. Candidates who need more work with refrigeration controls can focus on electrical sequences and components, while those who need additional contractor preparation can spend more time with Oklahoma-specific laws and the NASCLA business reference.
The goal is to combine organized references with trade-focused review and a practical study structure, helping candidates approach the Oklahoma Refrigeration Contractor licensing examinations with stronger familiarity with both refrigeration systems and contractor responsibilities.
The package includes the International Mechanical Code, Modern Refrigeration and Air Conditioning, OSHA 29 CFR Part 1926, Oklahoma mechanical licensing references, Oklahoma lien law, the NASCLA Contractors Guide, the Oklahoma Workers’ Compensation Act, and the Construction Industries Board fine schedule.
Yes. All included rental books are highlighted and tabbed to support organized study and reference navigation.
The rental cost is $920.
Yes. A $500 refundable deposit applies, bringing the total to $1,420.
The $500 deposit is refundable if the books are returned in similar condition within 6 months from the time they are received.
Yes. The Oklahoma Refrigeration Contractor examination is open book and allows approved references according to examination rules.
The Refrigeration Contractor technical examination contains 80 questions.
Candidates are allowed 210 minutes to complete the technical examination.
The required passing score for the technical examination is 70%.
The classification allows the license holder to install, alter, modify, service, maintain, or repair refrigeration products, systems, or equipment, including associated process piping.
Oklahoma mechanical contractor licensing includes contractor-level business and law requirements in addition to technical trade knowledge. The included references support study of licensing, contracts, finances, liens, workers’ compensation, project management, and related contractor responsibilities.
Please allow up to 15 business days for book & course rental package orders.