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The following references are recommended for the Oklahoma Unlimited HVACR Contractor and Journeyman examinations. These references are permitted to be used during testing. Please note that the ACCA Ductulator and Manual N are used ONLY on the contractor exam. Also, to become a licensed contractor, you will also need to pass the Mechanical Business and Law exam.
Modern Refrigeration and Air Conditioning, 21st Edition$178.99
Modern Refrigeration and Air Conditioning is the HVACR standard for a new generation of learner. It correlates to HVAC Excellence and PAHRA accreditation requirements to ensure complete coverage that prepares students for career success.
ACCA Ductulator – Duct Calculation Slide Rule$54.99
One of our most popular catalog items! This durable two-sided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct-sizing procedures. Designed by Hank Rutkowski.
Manual J Residential Load Calculation (8th Ed.)$151.99
MJ8 produces equipment sizing loads for single-family-detached homes, small multi-unit structures, condominiums, town houses and manufactured homes. This new version incorporates complete MJ8-AE volume in a user friendly format.
Oklahoma HVACR Exam Review$219.99
The Oklahoma Exam Review includes the following:
- Highlighting Guides
- Practice Exams
- Math and Calculations
- Study Tips
- Licensing Information
- Instructor Support
*The Business and Law Exam must be passed to become a licensed contractor
2018 International Fuel Gas Code$96.99
Addresses the design and installation of fuel gas systems and gas-fired appliances through requirements that emphasize performance.
Manual N – Commercial Load Calculation, 5th$129.99
Manual N gives you a faster way to estimate heating and cooling loads for small and mid-size commercial structures. This “tried and true” manual, favorite to contractors since 1988, provides data and procedures for load calculations for summer and winter…
Mathematics for Plumbers and Pipefitters$169.99
Now in its 8th edition, MATHEMATICS FOR PLUMBERS AND PIPEFITTERS delivers the essential math skills necessary in the plumbing and pipefitting professions.
Oklahoma HVAC Tab Pack$63.99
PERMANENT TABS PACKAGE – This package includes permanent tabs for some references allowed to be used during the exam.