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D-4 Limited Heating-Cooling Journeyperson (2023-05-01)

The holder of this license may perform only work limited to the installation, repair, replacement, maintenance or alteration of all refrigeration systems included in food storage, air conditioning and special process systems and only while in the employ of a contractor licensed for such work. The requirements to qualify for this license examination shall be the completion of a registered apprenticeship program or equivalent experience and training.

40 Questions
70% Minimum Passing Score
90 Minutes Time Allowed

The reference material listed below was used to prepare the questions for this examination.  The examination may also contain questions based on trade knowledge or general industry practices. Except for Code books, you can base your answers on later editions of references as they become available.  For Code questions, the examinations will be based only on the edition of the Code book that is listed.

These products apply to test outline dated 2023-05-01

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Open Book These books are allowed while taking your test.
Closed Book These books are for pre-test study only and are not available for use during the test.
In Stock These books are currently in stock.
Out of Stock These books are currently out of stock.

  • Open Book In Stock

    International Mechanical Code Turbo Tabs 2021

    $15.63

    Flip through the 2021 IMC and find frequently used sections fast! You'll be surprised how easy it is to find what you are looking for. These tabs were created by industry experts who carefully identified the most referenced sections in the code.

    Loose Leaf Tabs Contain: Full-page inserts tabs that have the key code sections printed on them in an easy-to-read format.

    Soft Cover Tabs Contain: Clear plastic, self-adhesive tabs that have the key sections of the code printed on them in an easy-to-read format.

  • Open Book In Stock

    Code of Federal Regulations, 29 CFR Part 1926 (OSHA) 2024

    Publication Year: 2024

    $32.00

    The OSHA 29 CFR 1926 Construction Regulations book offers convenient access to vital safety guidance for both employers and employees, aiding in the prompt identification of potential hazards on any job site. Its user-friendly design features a two-color layout, simplifying navigation and comprehension of regulations. It encompasses all 1926 regulations, along with 1903 regulations on inspections, citations, and penalties, as well as 1904 regulations concerning record keeping and reporting of occupational injuries and illnesses. Additionally, select 1910 regulations relevant to construction industries are included. The book highlights regulation changes between releases and provides easy-to-access OSHA interpretations, aiding in clarity and reference. Essential documents such as OSHA Form 300 and the Cancer Policy are incorporated. In-Cite Referencing to applicable 1910 regulations is provided for further context. Lastly, the book outlines the Most Frequently Cited Standards preceding relevant Subparts, enhancing its utility as a comprehensive safety resource.

  • Open Book In Stock

    Modern Refrigeration and Air Conditioning 21st Edition

    21st Edition

    $170.00

    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. This edition has an improved instructional design, improved assessments, enhanced content on fundamentals, such as electrical theory and troubleshooting, and new digital assets that help students master knowledge, hands-on applications, and diagnostic skills. The revision also helps prepare students for employment and careers with new lab activities and features. Prepare your students for careers with new learning materials based upon the original HVACR industry standard.
    Follow-the-Heat™ Animations provide 63 short animations that introduce foundational concepts using simple, easily understood graphics and narrations.
    Troubleshooting Activities create an interactive experience designed to develop and promote troubleshooting techniques and logical diagnostic skills.
    New chapter on Electrical Troubleshooting, and expanded electrical coverage in the text and lab manual provide excellent coverage of essential information.
    Soft Skills for HVACR features emphasize the importance of workplace skills.
    Service Call Troubleshooting features present on-the-job service call situations.
    Full-color Lab Manual includes 35 new lab activities – including activities focusing on basic electrical skills and sheet metal construction.

  • Open Book In Stock

    International Mechanical Code 2021

    $100.00

    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.

    Important changes in the edition include:

    Clothes dryer exhaust terminals required to be at least 3 feet from any opening into a building.
    Polyurethane spray-applied foam on the exterior of ducts in attics and crawl spaces required to meet specific smoke and flame index limits.
    Fire and smoke dampers must be provided with approved access for inspection and maintenance.
    Refrigerant tables updated to include new refrigerants.
    Addition of condensate termination identification markings and discharge restrictions.
    Approved factory-built combination intake/exhaust terminations permitted, relaxing separation requirement.
    30% reduction in minimum mechanical ventilation for whole-house balanced ventilation systems.
    Continuous operation requirement for manicure and pedicure station exhaust systems.
    Grease duct horizontal cleanout required within 3 feet of a horizontal discharge fan.

  • Open Book In Stock

    Code of Federal Regulations, 29 CFR Part 1926 (OSHA) 2023

    $29.50

    All Federal Construction Regulations (29 CFR 1926) are included in this “perfect bound” book in an easy-to-read, two-color layout.

    All 29 CFR 1926 regulations for construction industry are included along with the following items:

    29 CFR 1903 regulations covering inspections, citations, and penalties
    29 CFR 1904 regulations covering recording and reporting occupational injuries and illnesses
    OSHA keyword dictionary
    Easy to find OSHA interpretations