2009 International Energy Conservation Code Study Companion is a comprehensive study guide designed to assist readers better understand the 2009 International Energy Conservation Code (IECC). It covers select topics of the code and includes code text, commentary and illustrations representing the provisions under discussion. Ten study sessions contain specific learning objectives, commentary and illustrations and a list of 20 questions summarizing the key points for study. Exercises and quizzes are provided at the end of each study session. Readers can measure their level of knowledge by checking the answer key provided in the back of the book. A total of 200 questions and answers are provided. Study aid and information resource for the Commercial Energy Inspector, Commercial Energy Plans Examiner, Residential Energy Inspector/Plans Examiner or Green Building - Residential Examiner certification exams.