Ace the Major HVAC Licensing Exams! Featuring more than 800 accurate practice questions and answers, HVAC Licensing Study Guide, Third Edition, provides everything you need to prepare for and pass the major HVAC licensing exams. This highly-effective, career-building study resource is filled with essential calculations, troubleshooting tips for the job site, hundreds of detailed illustrations, and information on the latest codes and standards. You will get brand-new coverage of troubleshooting for small motors and electrical equipment for HVAC.  This thoroughly revised study guide helps you: •Master the material most likely to appear on the ARI, NATE, ICE, RSES, and HVAC licensing exams •Improve your test-taking ability with 800+ true-false and multiple-choice questions and answers •Learn about current refrigerant usage and regulations •Keep up with the most recent codes and standards •Acquire the confidence, skills, and knowledge needed to pass your exam Covers key HVAC topics, including: •Heat sources •Heating systems •Boilers, burners, and burner systems •Piping systems •Ductwork sizing •Refrigerants •Cooling and distribution systems •Refrigeration equipment and processes •Filters and air flow •Maintenance, servicing, and safety •Humidification, dehumidification, and psychrometrics •EPA-refrigerant reclaimers •Heating circuits •Safety on the job •Trade associations and codes•Troubleshooting for small motors•Electrical equipment for HVAC