Get All the Practice Questions and Answers, Calculations, and Troubleshooting Tips You Need to Ace the major HVAC Licensing Exams! HVAC technicians and students alike can turn to the HVAC Licensing Study Guide for everything they need to prepare for and pass the major HVAC licensing exams on the very first try! Designed to boost confidence, skills, and knowledge, this unique career-building resource contains over 800 practice questions and answers, essential calculations, and step-by-step troubleshooting tips for the job site. Written by two of the most experienced and successful authors in the HVAC field, this on-target book presents a wealth of current information on heating...boilers...ventilation ductwork...air conditioning systems and methods...refrigeration...electrical systems...control devices...materials and equipment design...and codes and standards. Filled with over 200 detailed illustrations and handy "tip boxes" on important code matters and exam questions, the HVAC Licensing Study Guide enables readers to: