Oklahoma HVACR Unlimited Contractor - Book Rental Package

Oklahoma HVACR Unlimited Contractor - Book Rental Package

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Oklahoma HVACR Unlimited Contractor - Book Rental Package

Prepare for the Oklahoma HVACR Unlimited Contractor licensing examination with the Oklahoma HVACR Unlimited Contractor Book Rental Package from 1 Exam Prep. This comprehensive collection includes 13 highlighted and tabbed rental references covering heating, ventilation, air conditioning, refrigeration, mechanical codes, commercial load calculations, construction safety, and Oklahoma contractor Business and Law.

Becoming an HVACR Unlimited Contractor requires extensive technical knowledge and an understanding of professional contracting responsibilities. From refrigeration systems and electrical controls to commercial mechanical installations and business management, candidates must prepare for a broad range of subjects.

This package combines seven technical HVACR references with six Oklahoma Business and Law publications. Together, they provide study materials addressing the trade examination and the separate business responsibilities associated with mechanical contractor licensing.

All 13 included rental references are highlighted and tabbed to help you organize study sessions, identify important information, and practice navigating technical codes and legal materials.

The rental format provides access to a substantial reference collection without requiring individual purchases. With a refundable book deposit and a clearly defined six-month return condition, the package offers a practical way to prepare using organized reference materials.

Whether you are an experienced HVACR technician, mechanical journeyman, refrigeration professional, service supervisor, or aspiring Oklahoma mechanical contractor, this package supports focused examination preparation.

What You Get

13 highlighted and tabbed rental references for Oklahoma HVACR Unlimited Contractor trade and Business and Law examination preparation.

Included HVACR Trade References:

  • Ductulator
  • International Mechanical Code 2024
  • International Fuel Gas Code, 2024
  • Modern Refrigeration and Air Conditioning, 22nd Edition
  • Manual N - Commercial Load Calculation for Small Commercial Buildings, 5th Edition
  • Mathematics for Plumbers and Pipefitters, 8th Edition
  • Code of Federal Regulations - 29 CFR Part 1926 (OSHA)

Included Oklahoma Business and Law References:

  • Oklahoma Mechanical Licensing Act, Oklahoma Statutes, Title 59, Chapter 43A
  • Oklahoma Mechanical Industry Regulations, Oklahoma Administrative Code, Title 158, Chapter 50
  • Oklahoma Fine Schedule of the Construction Industries Board, Oklahoma Administrative Code, Title 158, Chapter 10
  • Oklahoma Lien Law, Oklahoma Statutes, Title 42, Chapter 3
  • NASCLA Contractors Guide to Business, Law and Project Management, 14th
  • Oklahoma Workers' Compensation Act, Oklahoma Statutes, Title 85A, Chapter 1

Highlighted and Tabbed Books: All 13 rental references are highlighted and tabbed to support organized studying and efficient reference navigation.

Book Rental Pricing

  • Rental Package Price: $1,470
  • Refundable Book Deposit: $550
  • Total Initial Payment: $2,020

Deposit Refund: The $550 deposit is refundable when the rental books are returned in similar condition within 6 months from the time they are received.

Order Preparation: Please allow up to 15 business days for book rental package orders.

Package Type: Books-only rental. Online course access and licensing Application Service are not included.

Exam Details

The Oklahoma HVACR Contractor - Unlimited Examination is administered by PSI as part of the Oklahoma Construction Industries Board mechanical licensing program.

The examination measures knowledge of mechanical systems, refrigeration, air conditioning, electrical controls, natural gas, air distribution, heating equipment, and construction safety.

  • Exam Name: Oklahoma HVACR Contractor - Unlimited
  • Licensing Authority: Oklahoma Construction Industries Board
  • Testing Provider: PSI
  • Examination Format: Open book
  • Number of Questions: 90
  • Time Allowed: 240 minutes
  • Passing Score: 70%, equivalent to 63 correct answers

The examination covers six primary technical subject areas:

  • Electrical Knowledge and Controls
  • Natural Gas
  • Air Distribution Systems
  • Refrigeration and Air Conditioning Systems
  • Heating Systems
  • Safety

The Unlimited examination addresses mechanical work without the equipment-capacity restrictions associated with the Limited classification. Candidates should prepare for technical questions involving a wider range of mechanical equipment and commercial HVACR applications.

Oklahoma mechanical contractor applicants must also meet the applicable Mechanical Business and Law examination requirements. The rental package includes six references addressing state laws, administrative regulations, contracts, business management, liens, and employment responsibilities.

Open Book Test

The Oklahoma HVACR Unlimited Contractor examination is an open book test. Candidates may consult authorized references during testing according to PSI examination-room requirements.

Open-book examinations require technical understanding and efficient reference navigation. Candidates must interpret the question, select an appropriate publication, and apply the relevant code requirement or technical principle.

The Ductulator supports airflow and duct-sizing review. The International Mechanical Code addresses mechanical installations, while the International Fuel Gas Code covers gas piping, combustion air, and fuel gas appliances.

Modern Refrigeration and Air Conditioning supports study of refrigeration cycles, equipment, controls, and troubleshooting. Manual N focuses on commercial heating and cooling load calculations.

All included books are highlighted and tabbed for preparation. The tabs and highlighted sections can help you practice locating technical tables, code chapters, formulas, and business regulations.

2024 Code Editions: Oklahoma began its transition to the 2024 mechanical and fuel gas codes on September 14, 2026. A transition period continues through December 14, 2026. Beginning December 15, 2026, affected examinations use the newly adopted codes exclusively.

The rental collection includes 2024 editions of both the International Mechanical Code and International Fuel Gas Code.

The package contains references for both the trade examination and Business and Law preparation. Only materials authorized for each specific examination may be used in its testing room.

Consistent practice with the highlighted and tabbed references helps develop familiarity with the information and can support more efficient examination preparation.

Licensing Steps

Obtaining an Oklahoma HVACR Unlimited Contractor license involves completing the qualifications and procedures established by the Oklahoma Construction Industries Board.

  1. Identify Your Classification: Determine whether the HVACR Unlimited Contractor classification matches your intended mechanical contracting work.
  2. Review Experience Requirements: Understand the applicable journeyman qualifications and additional mechanical trade experience requirements.
  3. Prepare Documentation: Gather professional records and supporting materials required for the application.
  4. Submit Your Application: Complete the Oklahoma Construction Industries Board's applicable licensing procedures.
  5. Study Technical Subjects: Review refrigeration, heating, electrical controls, air distribution, natural gas, and safety.
  6. Prepare for Business and Law: Study Oklahoma mechanical licensing regulations, contractor management, contracts, liens, and employment responsibilities.
  7. Practice Reference Navigation: Use the highlighted and tabbed rental books to locate important technical and regulatory information.
  8. Schedule Examinations: Follow PSI scheduling procedures after obtaining the necessary authorization.
  9. Complete Required Testing: Meet the applicable examination passing requirements.
  10. Finalize Licensing: Satisfy remaining Board requirements involving contractor qualifications and active license status.

This book rental package provides study references for the examination preparation stage. Application Service and business formation assistance are not included.

State Requirements

The Oklahoma Construction Industries Board regulates mechanical contractor licensing and professional requirements for covered HVACR work in Oklahoma.

The HVACR Unlimited Contractor classification encompasses authorized installation, maintenance, repair, alteration, and extension of heating, air conditioning, refrigeration, and ventilation systems without the horsepower or tonnage limitations of the Limited classification.

Contractor applicants must meet the requirements applicable to mechanical journeymen and obtain an additional year of qualifying mechanical trade experience.

Active mechanical contractors must also satisfy applicable business, insurance, surety bond, and licensing requirements.

The Oklahoma Mechanical Licensing Act and Mechanical Industry Regulations establish important responsibilities involving qualifications, licensing, and regulated mechanical work.

Understanding state regulations is essential for contractors who manage commercial or residential mechanical projects, maintain business records, and assume contractual obligations.

This package includes Oklahoma legal references alongside technical HVACR materials to support study of both professional responsibilities and mechanical systems.

Reference Books

The Oklahoma HVACR Unlimited Contractor Book Rental Package includes 13 highlighted and tabbed rental references.

  • Ductulator
    Included Rental Book: A practical duct-sizing reference used to study airflow, duct dimensions, friction loss, and air distribution relationships.
  • International Mechanical Code 2024
    Included Rental Book: Covers mechanical equipment, ventilation, exhaust systems, duct construction, heating installations, and mechanical safety requirements.
  • International Fuel Gas Code, 2024
    Included Rental Book: Addresses gas piping, appliance installation, combustion air, fuel gas systems, and venting requirements.
  • Modern Refrigeration and Air Conditioning, 22nd Edition
    Included Rental Book: Provides technical information about refrigeration cycles, compressors, refrigerants, heating systems, electrical controls, servicing, and troubleshooting.
  • Manual N - Commercial Load Calculation for Small Commercial Buildings, 5th Edition
    Included Rental Book: Covers procedures for calculating heating and cooling loads in small commercial buildings, supporting mechanical equipment sizing and design studies.
  • Mathematics for Plumbers and Pipefitters, 8th Edition
    Included Rental Book: Reviews measurements, formulas, geometry, conversions, and trade calculations relevant to piping and mechanical construction.
  • Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
    Included Rental Book: Provides construction safety regulations involving workplace hazards, protective equipment, ladders, scaffolding, and safe construction practices.
  • Oklahoma Mechanical Licensing Act, Oklahoma Statutes, Title 59, Chapter 43A
    Included Rental Book: Contains Oklahoma statutory requirements concerning mechanical licensing, contractor qualifications, and professional responsibilities.
  • Oklahoma Mechanical Industry Regulations, Oklahoma Administrative Code, Title 158, Chapter 50
    Included Rental Book: Addresses administrative requirements governing mechanical licenses, regulated work, and industry responsibilities.
  • Oklahoma Fine Schedule of the Construction Industries Board, Oklahoma Administrative Code, Title 158, Chapter 10
    Included Rental Book: Covers administrative fines and enforcement provisions associated with Construction Industries Board regulations.
  • Oklahoma Lien Law, Oklahoma Statutes, Title 42, Chapter 3
    Included Rental Book: Addresses construction liens, payment claims, and related legal responsibilities in construction contracting.
  • NASCLA Contractors Guide to Business, Law and Project Management, 14th
    Included Rental Book: Covers estimating, contracts, financial management, business organization, project administration, risk management, and employment responsibilities.
  • Oklahoma Workers' Compensation Act, Oklahoma Statutes, Title 85A, Chapter 1
    Included Rental Book: Addresses workers' compensation provisions and employment-related legal responsibilities relevant to contractor operations.

Highlighted and Tabbed Preparation: All 13 rental references are highlighted and tabbed to help students identify important information and practice efficient reference navigation.

Test Information and Study Materials

Preparing for the Oklahoma HVACR Unlimited Contractor examinations requires technical understanding, consistent study, and familiarity with the included publications.

Refrigeration and Air Conditioning: Review refrigeration cycles, refrigerants, compressors, condensers, evaporators, operating pressures, and troubleshooting principles.

Electrical Controls: Study motors, contactors, relays, transformers, control circuits, protective devices, and electrical measurements.

Air Distribution: Practice duct sizing, airflow calculations, static pressure concepts, ventilation, duct construction, and distribution system performance.

Commercial Load Calculations: Use Manual N to study cooling and heating load calculation concepts for small commercial buildings.

Heating Systems: Review heating equipment, combustion principles, venting, controls, mechanical installation, and system operation.

Natural Gas: Study gas piping, appliance connections, combustion air, sizing considerations, and fuel gas code requirements.

Mechanical Codes: Become familiar with the organization, installation provisions, definitions, and technical tables of the 2024 International Mechanical Code.

Fuel Gas Codes: Practice locating gas piping, appliance, combustion air, and venting requirements in the 2024 International Fuel Gas Code.

Trade Mathematics: Review measurements, formulas, conversions, geometry, and calculations used in mechanical construction.

Construction Safety: Study OSHA requirements involving protective equipment, workplace hazards, electrical safety, fall protection, and safe jobsite practices.

Business Organization: Review business structures, operational responsibilities, and professional contractor administration.

Contracts and Estimating: Study construction agreements, labor costs, materials, overhead, pricing, and project documentation.

Financial Management: Review budgeting, financial records, business expenses, and basic contractor accounting concepts.

Oklahoma Licensing Laws: Study mechanical contractor regulations, administrative rules, lien laws, and professional compliance requirements.

Reference Navigation: Practice locating technical tables, equipment information, formulas, code provisions, and business laws within the highlighted and tabbed references.

Study Planning: Divide preparation into manageable sessions covering refrigeration, heating, electrical controls, air distribution, natural gas, commercial load calculations, safety, and Business and Law.

Regular use of the references helps candidates build familiarity with their organization and strengthens their ability to connect technical concepts with practical mechanical contracting situations.

How 1 Exam Prep Helps You Reach Your Goal

At 1 Exam Prep, we support contractor licensing candidates with organized study materials, trade-focused review, practical preparation strategies, and reference-navigation guidance.

The Oklahoma HVACR Unlimited Contractor Book Rental Package brings together technical mechanical publications and Oklahoma Business and Law materials in one coordinated collection.

Highlighted and Tabbed References: Prepared books help students locate important chapters, tables, formulas, and regulatory information.

HVACR Trade Preparation: Strengthen knowledge of refrigeration, air conditioning, heating systems, ventilation, electrical controls, and natural gas.

Commercial HVACR Study: Review commercial load calculations, system sizing concepts, and mechanical installation requirements relevant to the Unlimited classification.

Code Navigation: Practice using the 2024 International Mechanical Code and International Fuel Gas Code.

Business and Law Preparation: Study Oklahoma licensing regulations, contractor management, contracts, liens, financial responsibilities, and workers' compensation.

Flexible Self-Study: Organize preparation around your professional schedule using the rental references.

With technical and legal information in one collection, 1 Exam Prep helps candidates approach Oklahoma HVACR Unlimited Contractor examination preparation with greater structure and confidence.

FAQ Section

What is included in the Oklahoma HVACR Unlimited Contractor Book Rental Package?

The package includes 13 highlighted and tabbed rental references covering HVACR technical subjects, mechanical codes, commercial load calculations, construction safety, and Oklahoma Business and Law.

How much does the book rental package cost?

The rental package costs $1,470, plus a $550 refundable deposit, for a total initial payment of $2,020.

When is the $550 book deposit refundable?

The deposit is refundable when the rental books are returned in similar condition within 6 months from the time they are received.

Are all 13 books highlighted and tabbed?

Yes. All included rental references are highlighted and tabbed to support organized study and reference navigation.

Is the Oklahoma HVACR Unlimited Contractor examination open book?

Yes. The examination is open book, with authorized references permitted according to PSI examination rules.

How many questions are on the examination?

The HVACR Unlimited Contractor trade examination contains 90 questions, allows 240 minutes, and requires a 70% passing score.

Does the package include Manual N?

Yes. Manual N - Commercial Load Calculation for Small Commercial Buildings, 5th Edition, is included.

Does the package include the 2024 mechanical and fuel gas codes?

Yes. International Mechanical Code 2024 and International Fuel Gas Code 2024 are included among the highlighted and tabbed rental references.

Are Oklahoma Business and Law references included?

Yes. Six publications address Oklahoma mechanical licensing, administrative regulations, contractor management, construction liens, penalties, and workers' compensation.

Does the package include online course access?

No. This product is a books-only rental package and does not include online course access.

Does this package include Application Service?

No. Licensing Application Service is not included with this book rental package.

What is the difference between HVACR Limited and Unlimited Contractor licensing?

The Unlimited classification covers authorized HVACR systems without the equipment-capacity restrictions associated with Oklahoma's Limited Contractor classification.

Does renting these books automatically provide an Oklahoma contractor license?

No. The Oklahoma Construction Industries Board issues licenses after applicants meet the applicable qualifications, examinations, and licensing requirements.

How long does book order preparation take?

Please allow up to 15 business days for book rental package orders.

Who should choose this package?

The package is designed for HVACR technicians, mechanical journeymen, refrigeration specialists, service supervisors, and applicants preparing for Oklahoma HVACR Unlimited Contractor licensing.

Prepare for your Oklahoma HVACR Unlimited Contractor examinations with 1 Exam Prep. Access 13 highlighted and tabbed rental references covering mechanical systems, commercial load calculations, construction safety, and Oklahoma contractor Business and Law.

Rental Package Price: $1,470 | Refundable Deposit: $550 | Total Initial Payment: $2,020

Return the rental books in similar condition within 6 months of receipt to qualify for the $550 deposit refund. Please allow up to 15 business days for book rental package orders.