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C-20 Warm-Air Heating, Ventilating and Air -Conditioning (2023-01-01)
This exam is divided into four major sections.
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.
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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.
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.
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Closed Book In Stock
ACCA Manual J: Residential Load Calculation
8th Edition
Publication Year: 2008
$140.00
Used to determine how much heating/cooling a home needs to stay cool and dry in the summer and warm in the winter. This load calculation process was developed by engineers in the heating and air conditioning industry and has been used for decades to accurately size heating and air-conditioning equipment. After completing this load calculation process, one can choose a properly sized piece of machinery to satisfy the load.
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Closed Book Out of Stock
California Electrical Code 2025
$285.00
Updated every three years, the California Electrical Code (CEC)—based on the 2023 NEC® with California amendments—helps contractors, engineers, electricians, inspectors, and safety officials protect people and property from electrical hazards.
It covers installation requirements for electrical conductors, equipment, raceways, signaling and communications systems, and optical fiber cables.
Includes free state updates and supplements.
Effective: January 1, 2026. -
Closed Book In Stock
Cal/OSHA State of California Construction Safety Orders
Publication Year: 2015
$50.32
This book contains the most current information for safety and compliance in California’s construction industry.
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Closed Book Out of Stock
California Building Code, Title 24, Part 2 (Volumes 1 & 2) 2025
$385.00
The California Building Code (CBC) sets minimum standards for building design, construction, fire and life safety, structural safety, and accessibility. It regulates materials, occupancy, location, and maintenance to protect health, safety, and property. Matrix Adoption Tables at the start of each chapter show which state agencies adopt specific sections.
This 2-volume set is fully integrated with the 2024 International Building Code® and includes free updates.
Effective: January 1, 2026. -
Closed Book In Stock
ACCA Manual D: Residential Duct Systems
Publication Year: 2009
$100.00
The ANSI-recognized national standard for residential HVAC duct design will help you design a duct system in less time. The popular and accurate procedure has been revised to include updated and expanded VAV guidance, with detailed examples; impacts of excess length, sag and compression in flexible ducts; and new equivalent length values for flex duct junction boxes. Manual D, from the Air Conditioning Contractors of America (ACCA), provides a single set of ANSI-recognized duct sizing principles and calculations that apply to all duct materials.
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Closed Book In Stock
HVAC Duct Construction Standards, Metal and Flexible
4th Edition
$203.00
Building on a history of duct construction standards nearly 100 years old, the flagship SMACNA HVAC Duct Construction Standard – Metal & Flexible 4th edition represents the state of the art in the sheet metal duct fabrication and installation requirements. Significant changes for the 4th edition include; flat oval tables for positive/negative pressure applications; spray and aerosolized duct sealants; non-fiberglass duct liner applications; added information on spiral duct fittings; updates to duct hanger requirements; flexible duct hanger spacing and support bracing.
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Closed Book Out of Stock
California Mechanical Code 2025
$210.00
The California Mechanical Code (CMC) sets minimum standards for the design, installation, and operation of mechanical systems, including heating, cooling, ventilation, refrigeration, and other heat-producing equipment, to protect health, safety, and property.
This fully integrated code is based on the 2024 Uniform Mechanical Code® and includes free state updates and supplements.
Effective: January 1, 2026. -
Closed Book In Stock
Modern Refrigeration and Air Conditioning 22nd Edition
$190.00
Modern Refrigeration and Air Conditioning bridges the gap between students and technicians, maintaining a high standard of quality in covering both fundamental principles and the latest technologies. This esteemed resource boasts a fresh instructional design that effectively combines theory, skill development, and service techniques to equip students with the knowledge needed to install and service refrigeration and HVAC systems. With the most current technical content, a logical and progressive structure, rich learning pedagogy, superior visuals, readability, and a focus on career and workplace readiness, it is ideal for today’s learners.
