The 1 Package: All-Inclusive Oklahoma HVACR Limited Contractor Exam, Licensing & Business Setup Solution

The 1 Package: All-Inclusive Oklahoma HVACR Limited Contractor Exam, Licensing & Business Setup Solution

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The 1 Package: All-Inclusive Oklahoma HVACR Limited Contractor Exam, Licensing & Business Setup Solution

Prepare for your Oklahoma HVACR Limited Contractor licensing examination and take the next step toward establishing your heating, ventilation, air conditioning, and refrigeration business with The 1 Package from 1 Exam Prep. This all-inclusive preparation solution combines 13 highlighted and tabbed rental reference books, 1 year of course access, Application Service, and business setup assistance.

HVACR contractors need more than technical installation experience. They must understand heating and cooling systems, refrigeration principles, electrical controls, duct design, fuel gas requirements, equipment sizing, troubleshooting, construction safety, and the legal responsibilities involved in operating a contracting business.

The Oklahoma HVACR Limited Contractor examination evaluates essential trade knowledge required for mechanical contracting within the limited classification. Contractors must also demonstrate knowledge of business management, licensing regulations, and professional responsibilities.

This package brings together technical study references, Oklahoma-specific legal materials, and contractor business management resources. All 13 rental books are highlighted and tabbed to support organized studying and efficient reference navigation.

With 1 year of course access, you can prepare around your work schedule, revisit challenging HVACR subjects, and become more familiar with the reference materials associated with your examinations.

The 1 Package also includes Application Service, business formation assistance, EIN filing with the IRS, and Contractor Compliance Guidance. These services support the administrative responsibilities associated with pursuing licensing and establishing an Oklahoma HVACR contracting company.

Whether you are an experienced HVAC technician, mechanical journeyman, refrigeration professional, service supervisor, or aspiring business owner, this package provides a coordinated approach to examination preparation, licensing assistance, and business setup.

What You Get

HVACR examination preparation, licensing assistance, and business setup services in one comprehensive package.

  • Included Book(s): 13 rental references:
    • Ductulator
    • International Mechanical Code, 2024
    • International Fuel Gas Code, 2024
    • Modern Refrigeration and Air Conditioning, 22nd Edition
    • Manual J - Residential Load Calcs, Reprinted 2016, Eighth Full Edition
    • Mathematics for Plumbers and Pipefitters, 8th Edition
    • Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
    • 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 Edition
    • Oklahoma Workers' Compensation Act, Oklahoma Statutes, Title 85A, Chapter 1
  • Book Preparation: All 13 rental books are highlighted and tabbed for exam preparation.
  • Course Access: 1 year of course access.
  • Application Service: Included with this package.
  • Business Formation (LLC or Corporation): Assistance establishing your Oklahoma HVACR contracting business as a legal business entity.
  • EIN Filing with the IRS: Assistance obtaining an Employer Identification Number to help open business bank accounts, manage taxes properly, hire employees, and operate professionally.
  • Contractor Compliance Guidance: Assistance understanding Oklahoma contractor licensing, business, and compliance responsibilities.

All-Inclusive Package Pricing

  • Package Price: $3,195
  • Refundable Book Deposit: $650
  • Total Initial Payment: $3,845

Refundable Deposit: The package includes a $650 refundable book deposit associated with the rental references. Deposit refunds are subject to the rental return terms for your order.

Order Processing: Please allow up to 15 business days for The 1 Package book orders.

Exam Details

The Oklahoma HVACR Contractor, Limited Examination is administered by PSI for the Oklahoma Construction Industries Board (CIB). It evaluates knowledge of heating, ventilation, air conditioning, refrigeration, electrical controls, natural gas, duct systems, and construction safety.

  • Examination: Oklahoma HVACR Contractor, Limited
  • Licensing Authority: Oklahoma Construction Industries Board
  • Testing Provider: PSI
  • Examination Format: Open book
  • Number of Questions: 80
  • Time Allowed: 210 minutes
  • Passing Score: 70%, equivalent to 56 correct answers

The examination is divided into six technical categories:

  • Electrical Knowledge and Controls: 15 questions
  • Natural Gas: 12 questions
  • Air Distribution Systems: 15 questions
  • Refrigeration and Air Conditioning Systems: 20 questions
  • Heating Systems: 15 questions
  • Safety: 3 questions

Refrigeration and Air Conditioning Systems is the largest examination category, representing 20 of the 80 questions. Electrical controls, air distribution, and heating systems are also important areas of preparation.

Applicants pursuing mechanical contractor licensing must also satisfy the applicable Oklahoma Mechanical Business and Law Examination requirement. The package includes legal and contractor management references to support this separate area of preparation.

Open Book Test

The Oklahoma HVACR Limited Contractor examination is an open book test. Candidates may use authorized reference materials inside the testing center according to PSI examination rules.

Open-book testing requires technical understanding and efficient reference navigation. Candidates need to identify the appropriate code, technical reference, or calculation method while managing the examination time limit.

The examination references include the Ductulator, International Mechanical Code, International Fuel Gas Code, Modern Refrigeration and Air Conditioning, Manual J, Mathematics for Plumbers and Pipefitters, and OSHA construction regulations.

Oklahoma introduced the 2024 International Mechanical Code and International Fuel Gas Code into its licensing examinations beginning September 14, 2026. During the transition period ending December 14, 2026, candidates may test under the previous or newly adopted code editions. Examinations beginning December 15, 2026, use the newly adopted codes.

The 2024 International Mechanical Code and 2024 International Fuel Gas Code included in this package support preparation under the updated code requirements.

PSI permits approved references to be highlighted, underlined, and indexed before testing. Permanent tabs are allowed, while temporary removable tabs and unauthorized additional papers are prohibited.

All 13 rental references are highlighted and tabbed for organized study. Only the references authorized for a particular examination may be used inside its testing room.

Practice locating information about equipment sizing, ventilation, gas piping, electrical controls, refrigeration systems, combustion air, and workplace safety. Familiarity with technical tables, diagrams, code chapters, and indexes is particularly useful during open-book examinations.

Licensing Steps

Obtaining an Oklahoma HVACR Limited Contractor license involves meeting the qualifications established by the Oklahoma Construction Industries Board, completing the application process, passing required examinations, and satisfying requirements for active contractor status.

  1. Identify Your License Classification: Determine whether the HVACR Limited Contractor classification matches the heating, cooling, refrigeration, and ventilation work you intend to perform.
  2. Review Experience Requirements: Confirm the applicable mechanical trade experience and journeyman qualification requirements.
  3. Establish Your Business: Use the included Business Formation assistance to organize an Oklahoma LLC or corporation.
  4. Obtain an EIN: Use the included EIN filing assistance for business banking, employment, and tax administration.
  5. Prepare Your Application: Gather the required experience records, business information, and supporting documentation.
  6. Use Application Service: Receive assistance organizing the Oklahoma mechanical contractor licensing application.
  7. Prepare for Examinations: Study the HVACR trade subjects and applicable Mechanical Business and Law material.
  8. Schedule Testing: Follow PSI scheduling procedures after receiving examination authorization.
  9. Complete Licensing Requirements: Pass the required examinations and meet the Board's remaining qualifications.
  10. Maintain Active Contractor Status: Satisfy applicable bond, insurance, and business compliance requirements.

The 1 Package supports these activities through technical references, online course access, Application Service, business setup assistance, and Contractor Compliance Guidance.

State Requirements

The Oklahoma Construction Industries Board regulates mechanical contractor licensing and establishes requirements for individuals performing covered HVACR work.

An HVACR Limited Contractor may perform authorized work involving cooling equipment with a capacity of no more than 25 tons, heating equipment with a heat input of no more than 500,000 BTU per hour per appliance, and other work permitted within the limited mechanical classification.

Mechanical contractor applicants must satisfy the applicable journeyman qualifications and obtain an additional year of qualifying mechanical trade experience.

For an active contractor license, Oklahoma also requires proof of appropriate surety bond and liability insurance coverage. Contractors must maintain applicable licensing and business requirements while performing regulated work.

Business formation and mechanical contractor licensing are separate responsibilities. Establishing an LLC or corporation creates a legal business entity, while the mechanical contractor license authorizes work within the approved classification.

The included business setup services and compliance guidance help customers organize these responsibilities while preparing for their examinations.

Reference Books

The 1 Package includes 13 highlighted and tabbed rental references covering HVACR trade knowledge, Oklahoma mechanical laws, and contractor business responsibilities.

  • Ductulator
    Included Book: A duct sizing reference tool used to study airflow, duct dimensions, and air distribution calculations.
  • International Mechanical Code, 2024
    Included Book: Covers mechanical equipment installation, ventilation, exhaust systems, ductwork, heating equipment, and mechanical safety requirements.
  • International Fuel Gas Code, 2024
    Included Book: Addresses fuel gas piping, combustion air, equipment installation, venting, and gas appliance safety.
  • Modern Refrigeration and Air Conditioning, 22nd Edition
    Included Book: Explains refrigeration cycles, air conditioning systems, compressors, refrigerants, electrical controls, troubleshooting, and servicing practices.
  • Manual J - Residential Load Calcs, Reprinted 2016, Eighth Full Edition
    Included Book: Provides residential heating and cooling load calculation methods used to evaluate equipment sizing requirements.
  • Mathematics for Plumbers and Pipefitters, 8th Edition
    Included Book: Covers trade mathematics, measurements, formulas, conversions, and calculations relevant to piping and mechanical construction.
  • Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
    Included Book: Addresses construction safety regulations involving protective equipment, ladders, scaffolding, electrical hazards, and workplace practices.
  • Oklahoma Mechanical Licensing Act, Oklahoma Statutes, Title 59, Chapter 43A
    Included Book: Provides Oklahoma statutory provisions governing mechanical licensing, professional responsibilities, and contractor regulation.
  • Oklahoma Mechanical Industry Regulations, Oklahoma Administrative Code, Title 158, Chapter 50
    Included Book: Covers administrative rules related to mechanical qualifications, licensing procedures, and regulated mechanical work.
  • Oklahoma Fine Schedule of the Construction Industries Board, Oklahoma Administrative Code, Title 158, Chapter 10
    Included Book: Provides information about administrative enforcement and penalties associated with Construction Industries Board regulations.
  • Oklahoma Lien Law, Oklahoma Statutes, Title 42, Chapter 3
    Included Book: Addresses construction lien rights, claims, payment-related legal provisions, and contractor responsibilities.
  • NASCLA Contractors Guide to Business, Law and Project Management, 14th
    Included Book: Covers business organization, contracts, estimating, financial management, project administration, employment responsibilities, and risk management.
  • Oklahoma Workers' Compensation Act, Oklahoma Statutes, Title 85A, Chapter 1
    Included Book: Addresses workers' compensation requirements, employment-related protections, and legal responsibilities relevant to business operations.

Book Preparation: All 13 included rental references are highlighted and tabbed to support organized examination preparation and efficient navigation of important information.

Test Information and Study Materials

Preparing for the Oklahoma HVACR Limited Contractor examinations requires understanding mechanical systems, technical calculations, installation requirements, and business responsibilities.

Refrigeration and Air Conditioning: Study refrigeration cycles, compressors, evaporators, condensers, refrigerants, system components, operating conditions, and troubleshooting.

Electrical Knowledge and Controls: Review motors, control circuits, electrical measurements, relays, protective devices, and basic electrical theory.

Air Distribution: Practice duct sizing, airflow calculations, ventilation requirements, duct installation, and system balancing.

Heating Systems: Study heating equipment, combustion air, venting, hydronic principles, system installation, and maintenance.

Natural Gas: Review gas piping materials, sizing, connectors, valves, testing, supports, and fuel gas code requirements.

Residential Load Calculations: Use Manual J to strengthen understanding of heating and cooling equipment sizing and building load considerations.

Mechanical Codes: Become familiar with the organization and requirements of the 2024 International Mechanical Code and International Fuel Gas Code.

Workplace Safety: Review OSHA construction requirements, personal protective equipment, electrical hazards, ladders, and safe work practices.

Business and Law: Study Oklahoma mechanical licensing laws, administrative rules, contracts, estimating, liens, financial management, workers' compensation, and contractor responsibilities.

Reference Navigation: Practice locating technical tables, mechanical code provisions, formulas, legal requirements, and important sections within the highlighted and tabbed rental books.

Study Strategy: Allocate significant preparation time to refrigeration and air conditioning, electrical controls, air distribution, and heating systems. Continue reviewing natural gas, safety, and contractor Business and Law subjects.

With 1 year of course access, students can build a consistent preparation routine, revisit challenging concepts, and develop familiarity with the complete reference collection.

Business Formation, EIN Filing & Contractor Compliance

The 1 Package includes business setup assistance designed for customers establishing an Oklahoma HVACR contracting company.

Business Formation (LLC or Corporation): Receive assistance establishing your contracting business as an LLC or corporation. A formal entity provides a legal structure for contracts, financial records, and professional operations.

EIN Filing with the IRS: Receive assistance obtaining an Employer Identification Number. An EIN helps businesses open bank accounts, manage taxes, hire employees, and operate professionally.

Contractor Compliance Guidance: Receive assistance understanding Oklahoma mechanical contractor licensing, applicable bond and insurance responsibilities, and business compliance requirements.

Application Service: Receive assistance with the Oklahoma mechanical contractor licensing application process while preparing to meet the Construction Industries Board's requirements.

These services complement your technical examination preparation and help organize essential responsibilities associated with establishing a contracting business.

How 1 Exam Prep Helps You Reach Your Goal

At 1 Exam Prep, we help trade professionals prepare for contractor licensing through organized study resources, trade-focused review, reference-navigation guidance, and practical preparation strategies.

Highlighted and Tabbed References: All 13 rental books are prepared to support organized studying and efficient reference navigation.

HVACR-Focused Review: Strengthen knowledge of refrigeration, heating, ventilation, duct sizing, electrical controls, and natural gas systems.

Code and Calculation Practice: Develop familiarity with mechanical codes, load calculations, trade mathematics, and technical tables.

Business and Law Preparation: Review Oklahoma licensing laws, contracts, liens, contractor administration, and financial responsibilities.

1 Year of Course Access: Maintain access to online preparation resources throughout the included period.

Application and Business Setup Support: Receive assistance with licensing applications, business formation, EIN filing, and contractor compliance.

By combining technical study materials and business services, 1 Exam Prep helps HVACR professionals approach their Oklahoma contractor licensing and business goals with greater organization and confidence.

FAQ Section

What is included in the Oklahoma HVACR Limited Contractor 1 Package?

The package includes 13 highlighted and tabbed rental references, 1 year of course access, Application Service, LLC or corporation formation assistance, EIN filing, and Contractor Compliance Guidance.

How much does The 1 Package cost?

The package price is $3,195, plus a $650 refundable book deposit, for a total initial payment of $3,845.

Is the $650 book deposit refundable?

Yes. The $650 book deposit is refundable subject to the rental return terms associated with your order.

How long is online course access included?

The package includes 1 year of course access for Oklahoma HVACR Limited Contractor examination preparation.

Are all 13 rental books highlighted and tabbed?

Yes. All 13 rental references are highlighted and tabbed to support organized study and efficient reference navigation.

Is the Oklahoma HVACR Limited Contractor examination open book?

Yes. The examination is open book. Candidates may use authorized reference materials under PSI examination rules.

How many questions are on the HVACR Limited Contractor examination?

The trade examination contains 80 questions, allows 210 minutes, and requires a passing score of 70%, equivalent to 56 correct answers.

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

Yes. International Mechanical Code, 2024, and International Fuel Gas Code, 2024, are both included.

What work does the Oklahoma HVACR Limited Contractor classification cover?

The classification covers authorized HVACR work within Oklahoma's limited mechanical scope, including cooling equipment up to 25 tons and heating equipment up to 500,000 BTU per hour per appliance.

Does the package include Oklahoma Business and Law preparation?

Yes. The reference collection includes Oklahoma mechanical laws and regulations, lien law, workers' compensation material, and the NASCLA Contractors Guide.

Are business formation and EIN filing included?

Yes. The package includes LLC or corporation formation assistance, IRS EIN filing assistance, and Contractor Compliance Guidance.

Does The 1 Package include Application Service?

Yes. Application Service is included to assist with the Oklahoma contractor licensing application process.

Does purchasing this package automatically provide an Oklahoma HVACR license?

No. The Oklahoma Construction Industries Board issues mechanical contractor licenses after applicants meet applicable qualification, examination, and licensing requirements.

How long does book order preparation take?

Please allow up to 15 business days for The 1 Package book orders.

Who should choose this all-inclusive package?

This package is designed for HVAC technicians, mechanical journeymen, refrigeration professionals, service supervisors, and aspiring Oklahoma HVACR contracting business owners seeking examination preparation, licensing assistance, and business setup services.

Prepare for your Oklahoma HVACR Limited Contractor licensing and business goals with 1 Exam Prep. The 1 Package brings together 13 highlighted and tabbed rental references, 1 year of course access, Application Service, business formation, EIN filing, and Contractor Compliance Guidance.

Package Price: $3,195 | Refundable Book Deposit: $650 | Total Initial Payment: $3,845

Please allow up to 15 business days for The 1 Package book orders.