Please select the Iowa license/exam that you are interested in purchasing reference books for.
-
29 CFR OSHA 1926 Construction Industry Regulations & Standards, July 2026 Edition
$76.99View ProductMake compliance with dense government safety regulations simple with the 29 CFR 1926 OSHA Construction Industry Regulations. Updated through July 2026, the book provides you with a comprehensive set of the most up-to-date Construction regulations.
-
Modern Refrigeration and Air Conditioning, 22nd Edition
$236.99View ProductThe Modern Refrigeration and Air Conditioning, 22nd Edition is the HVACR standard for a new generation of learners. It correlates to HVAC Excellence and PAHRA accreditation requirements to ensure complete coverage that prepares students for career success.
-
2023 National Electrical Code – NFPA 70
$208.99View Product- The code you—and the world—depend on to keep pace with ever-evolving electrical hazards and challenges.
NFPA 70®, National Electrical Code® (NEC®), is the authoritative document addressing electrical installations in residential, commercial, and industrial settings. The NEC is revised every three years to stay in sync with industry practices, emerging trends, and the development and introduction of technologies to provide comprehensive rules for designers, installers, inspectors, engineers, electricians, and anyone else who works in the electrical industry. The code is organized for ease of use.
-
2023 National Electrical Code Pre-Printed Tabs
$42.99View ProductPre-Printed Permanent Tabs – During your exam, time is of the essence. By having your pages tabbed, you can greatly increase your speed in referencing key exam topics.
-
Ugly’s Electrical References, 2026 Edition
$32.99View ProductUgly’s Electrical References, 2026 Edition is the essential on-the-job reference tool for electrical industry professionals.
The 2026 Edition provides the most pertinent, up-to-date information used by electricians, including updated NEC code and table change information; mathematical formulas; NEMA wiring configurations; conduit bending guide; ampacity and conduit fill information; transformer and control circuit wiring diagrams; and conversion tables.
-
Pipefitters Handbook, Third Edition
$86.99View ProductPipefitters Handbook is a compact pocket-sized handy reference that contains thousands of facts and figures relevant to pipefitters, steamfitters-anyone concerned with layout and installation of pipe. The Pipefitters Handbook is often regarded as a must-have for apprentices, journeymen, and seasoned professionals in the piping industry.
-
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.
-
2024 International Mechanical Code (International Code Council Series)
$131.99View ProductThe 2024 International Mechanical Code (IMC) sets modern, standardized regulations for the design, installation, and maintenance of mechanical systems in residential and commercial buildings. Published by the International Code Council (ICC), it covers HVAC systems, ventilation, refrigeration, combustion air, ductwork, and equipment safety. The 2024 edition includes updates for new refrigerants, indoor air quality, leak detection, and emerging technologies, ensuring safer and more energy-efficient mechanical systems aligned with current industry practices.
-
Boiler Operator’s Guide, 5th Edition
$117.99View ProductThe Boiler Operator’s Guide, 5th Edition helps to quickly and easily solve any boiler problem using the hands-on information contained in this fully updated, industry standard resource. The book clearly explains the many different types of boilers, operation, maintenance, inspection, and testing procedures and points out potential problems. This new edition has been thoroughly overhauled to align with all current regulations, including the latest version of the ASME BPV Code, and NB Inspection Code. You will get practice questions and answers to reinforce salient points and help you prepare for the Boiler Operator’s or Stationary Engineer exam.
-
Iowa HVAC /Refrigeration with Gas (Master and Journeyperson) Online Exam Prep Course Only
$296.99View ProductThe Iowa HVAC /Refrigeration with Gas (Master and Journeyperson) Online Exam Prep Course includes fully narrated highlighting guides, practice tests, theory, calculations, instructor support and test-taking tips and strategies. Topics include HVAC Terms, Principles, Administration, HVAC Installation, Venting, Duct, Combustion Air, Gas Piping, HVAC Electrical, Boilers, Exhaust, & Fire Protection, and Refrigeration Term System, Operation. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
-
2024 International Mechanical Code Tabs
$14.99View ProductDuring your exam, time is of the essence. By having your pages tabbed, you can greatly increase your speed in referencing key exam topics.
-
NFPA 54/ANSI Z223.1, National Fuel Gas Code 2024 Edition
$203.99View ProductHelp Ensure Everyone’s Safety with the Safe and Proper Use of Gas in Homes and Buildings.
From carbon monoxide poisoning to the risks of fire and explosion, there are several hazards when it comes to using gaseous fuels. NFPA 54/ANSI Z223.1, National Fuel Gas Code, offers the latest comprehensive provisions for the safe design, installation, operation, maintenance, purging, and inspection of gas piping, equipment, accessories, and appliances supplied with fuel gas.
The code covers:
- Piping system design, materials, and components
- Pipe sizing and installing pipes underground, aboveground, and inside concealed spaces
- Piping inspection, testing, system leak check, and purging
- Requirements for process air and installation of appliances
- Minimum safe performance criteria, general requirements, and specifications for venting combustion products.
-
Iowa HVAC /Refrigeration with Gas (Master and Journeyperson) Online Exam Prep Complete Package
$892.95View ProductThe Iowa HVAC /Refrigeration with Gas (Master and Journeyperson) Online Exam Prep Course includes fully narrated highlighting guides, practice tests, theory, calculations, instructor support and test-taking tips and strategies. Topics include HVAC Terms, Principles, Administration, HVAC Installation, Venting, Duct, Combustion Air, Gas Piping, HVAC Electrical, Boilers, Exhaust, & Fire Protection, and Refrigeration Term System, Operation. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
-
Iowa HVAC /Refrigeration with Gas (Master and Journeyperson) Online Exam Prep Tab Pack
$22.99View ProductPERMANENT TABS PACKAGE – This package includes permanent tabs for some of the references allowed to be used during the exam.
-
Iowa Mechanical with Gas Online Exam Prep (Master and Journeyperson) Complete Package
$655.96View ProductIowa Mechanical with Gas Online Exam Prep (Master and Journeyperson) Complete Package includes all references used to study for the exam, pre-printed tabs for only those references allowed to be brought into the exam center, and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
-
Steam Plant Operation, 10th Edition
$124.99View ProductFor more than 80 years, Steam Plant Operation has been an unmatched source of information on steam power plants, including design, operation, and maintenance.
-
Iowa Electrical Online Exam Prep Complete Package
$581.96View ProductIowa Electrical Online Exam Prep Complete Package includes all references used during the exam, pre-printed tabs for all references allowed into the exam and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
-
2024 Uniform Plumbing Code
$172.99View ProductThis 2024 UPC Study Guide was developed as a tool for self-study or classroom training to assist the user to better understand the requirements of the Uniform Plumbing Code©. Although it is quite useful for examination preparation, such as, inspector, certification, contractor, and journeyman, it is not intended to replace the intense study required to be successful for these exams. This text is not intended to replace the Uniform Plumbing Code document. Each new study guide is updated to correspond to the newest code edition.
-
-
Iowa Hydronics with Gas License– Books Only Package
$593.95View ProductWe offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore.
-
Iowa Plumber with Gas (Master and Journeyperson) – Books Only Package
$159.99View ProductAs of this time we do not offer any courses for this exam. We do offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore. Please be sure to check back in the future for possible course material, as we are always adding to our course catalog.
