Please contact our office at 800-952-0910 for questions, or to inquire about a title you cannot find.

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.

  • 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

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  • Modern Refrigeration and Air Conditioning, 21st Edition

    $163.99

    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.

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  • Mathematics for Plumbers and Pipefitters

    $203.99

    Now in its 8th edition, MATHEMATICS FOR PLUMBERS AND PIPEFITTERS delivers the essential math skills necessary in the plumbing and pipefitting professions.

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  • Manual J Residential Load Calculation (8th Ed.)

    $159.99

    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.

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  • Manual N – Commercial Load Calculation, 5th

    $135.99

    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…

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  • 2015 International Mechanical Code

    $85.99

    Establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC® was developed with broad-based principles that make possible the use of new materials, methods and design.

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  • 2015 International Fuel Gas Code

    $85.99

    Addresses the design and installation of fuel gas systems and gas-fired appliances through requirements that emphasize performance.

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  • ACCA Ductulator – Duct Calculation Slide Rule

    $63.99

    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.

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  • Oklahoma HVAC Tab Pack

    $62.99

    PERMANENT TABS PACKAGE – This package includes permanent tabs for some references allowed to be used during the exam.

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  • Mancomm 29 CFR Part 1926 OSHA Construction Standards & Regulations, January 2021

    $52.99

    Make compliance with dense government safety regulations simple with MANCOMM’s 29 CFR 1926 OSHA Construction Industry Regulations. Updated through January 2021, the book provides you with a comprehensive set of the most up-to-date Construction regulations.

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  • Redi-Tag Permanent Tabs – 375 Blank Tabs

    $37.79

    Redi-Tag permanent tabs are self-sticking and you can print on your laser printer in minutes or write directly on them. Made of heavy duty, durable plastic that won’t tear of curl. Input and format text using Windows® versions of Microsoft® Word and WordPerfect®. Actual size of tab 1-1/8″ x 1-1/4″. 100 tabs per pack.

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