Book updated Apr 2024. We create these self-practice test questions module referencing both the requirements set forth in the adopted code as well as some state specific information currently valid in the HVAC trade (plus a bit of knowledge on electrical works as many appliances are electric powered). Each question comes with an answer and a short explanation which aids you in seeking further study information. For purpose of exam readiness drilling, this product includes questions that have varying numbers of choices. Some have 2 while some have 6 or 7. We want to make sure these questions are tough enough to really test your readiness and draw your focus to the weak areas. You should use this product together with other study resources for the best possible exam prep coverage. The HVAC industry plays a crucial role in ensuring the comfort, safety, and efficiency of residential, commercial, and industrial spaces. As demand for skilled HVAC technicians continues to rise, obtaining a state license has become a vital step towards establishing credibility and advancing in this field. State licensing exams assess candidates on a wide range of topics, including HVAC systems, codes and regulations, electrical theory, refrigeration principles, and more. This book offers a comprehensive review of key concepts and topics covered in the HVAC state license exam. Test your understanding and retention of key concepts with a variety of multiple-choice and true/falsequestions. Each question is accompanied by explanations and/or references to relevant study materials.