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The following references are recommended to study for the Arizona C-39R Warm Air Heating, Evaporative Cooling and Ventilating (Residential) and L-58 Comfort Heating, Ventilating and Evaporative Cooling (Commercial)Exam. This examination is used to obtain a Arizona C-39R Warm Air Heating, Evaporative Cooling and Ventilating (Residential) and L-58 Comfort Heating, Ventilating and Evaporative Cooling (Commercial)License. Also to become a licensed contractor in Arizona, candidates will also need to pass a business and management exam.
Only the following references are permitted to be taken into the exam.
- OSHA 1926
- International Fuel Gas Code
- International Mechanical Code
- International Plumbing Code
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29 CFR OSHA 1926 Construction Industry Regulations & Standards, July 2025 Edition
$69.99View ProductMake compliance with dense government safety regulations simple with the 29 CFR 1926 OSHA Construction Industry Regulations. Updated through July 2025, the book provides you with a comprehensive set of the most up-to-date Construction regulations.
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Modern Refrigeration and Air Conditioning, 22nd Edition
$206.99View ProductModern 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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ACCA Ductulator – Duct Calculation Slide Rule
$59.99View ProductOne 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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Manual J Residential Load Calculation (8th Edition Version 2.50)
$158.99View ProductManual J 8th Edition Version 2.50 is the national ANSI-recognized standard for producing HVAC equipment sizing loads for single-family detached homes, small multi-unit structures, condominiums, town houses, and manufactured homes. A proper load calculation, performed in accordance with the Manual J 8th Edition procedure, is required by national building codes and most state and local jurisdictions.
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Manual D – Residential Duct Systems [ANSI/ACCA 1 Manual D – 2016]
$89.99View ProductDesign a residential duct system in less time with the streamlined Manual D duct procedure. The newly released Manual D has been significantly revised to include:
- Updated and expanded VAV guidance, with detailed examples.
- Impacts of excess length, sag and compression in flexible ducts.
- New equivalent length values for flex duct junction boxes.
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2018 International Fuel Gas Code (International Code Council Series) 1st Edition
$129.99View ProductThe 2018 International Fuel Gas Code (IFGC), developed by the International Code Council (ICC), establishes minimum regulations for the design, installation, maintenance, and inspection of fuel gas systems. It applies to both residential and commercial buildings and aims to ensure safe and efficient use of natural gas and propane.
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Redi-Tag Permanent Tabs – 375 Blank Tabs
$44.99View ProductRedi-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.
![Manual D - Residential Duct Systems [ANSI/ACCA 1 Manual D - 2016]](https://www.athomeprep.com/wp-content/uploads/2010/03/ResDuct.jpg)
