The Oklahoma HVACR Limited Contractor Book Package is a comprehensive reference collection designed to help professionals prepare for the Oklahoma HVACR Limited Contractor licensing exam. Developed for contractors working in residential and light commercial heating, ventilation, air conditioning, and refrigeration systems, this package provides the essential codes, design references, and safety regulations required to pass the exam and perform successfully in the field.
This open-book exam package includes trusted industry resources covering HVAC system installation, residential load calculations, fuel gas systems, duct design, refrigeration principles, and construction safety requirements.
📚 Books Included in This Package
1. Ductulator
A widely used HVAC reference tool used for determining proper duct sizing based on airflow requirements, friction rates, and system performance calculations.
2. International Mechanical Code (IMC), 2018 Edition
Provides mechanical system installation standards including HVAC equipment installation, ventilation requirements, duct system construction, and mechanical safety regulations.
3. International Fuel Gas Code (IFGC), 2018 Edition
Establishes standards for safe installation of fuel gas piping systems, gas appliances, combustion air requirements, venting systems, and gas pipe sizing tables.
4. Modern Refrigeration and Air Conditioning – 22nd Edition
A comprehensive guide covering refrigeration cycles, HVAC system components, installation methods, troubleshooting techniques, and maintenance practices.
5. Manual J – Residential Load Calculations (Eighth Full Edition, Reprinted 2016)
Provides the industry standard method for calculating heating and cooling loads used to properly size residential HVAC systems.
6. Mathematics for Plumbers and Pipefitters – 8th Edition
A practical reference covering pipe measurements, offsets, layout calculations, pressure calculations, and formulas commonly used in mechanical installations.
7. Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
Provides federal construction safety regulations covering personal protective equipment (PPE), ladders, scaffolding, fall protection, hazard communication, and jobsite safety practices.
❄️ Topics Covered
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HVAC system design and installation practices
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Residential heating and cooling load calculations
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Duct system sizing and airflow management
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Refrigeration cycle principles and HVAC components
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Fuel gas piping systems and appliance installation
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Mechanical code compliance for HVAC systems
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Mathematical calculations used in HVAC installations
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OSHA construction safety regulations
🎯 Who This Package Is For
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Contractors preparing for the Oklahoma HVACR Limited Contractor licensing exam
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HVAC technicians advancing to contractor-level licensing
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Heating and air conditioning professionals working in residential systems
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Skilled trades professionals seeking structured exam preparation
✅ Why Choose This Package?
✔️ Includes essential references commonly used for HVAC contractor exam preparation
✔️ Designed specifically for open-book testing success
✔️ Combines mechanical codes, HVAC design references, and safety regulations
✔️ Covers system sizing, installation practices, and refrigeration principles
✔️ Ideal for building a professional HVAC contractor reference library
Prepare with confidence. The Oklahoma HVACR Limited Contractor Book Package provides the authoritative technical references and industry standards needed to pass your exam and operate successfully as a licensed HVACR contractor in Oklahoma. ❄️🔧