Provided by AHIT. Together, The NHIE Structural & Business Manual and The Mechanical Systems & NHIE Content Manual will give you details on the technical systems that you’ll need to know to pass the National Home Inspector Exam. You’ll learn about each of the exam topics; site conditions, roofing and exterior, structures, electrical, HVAC and interior, plumbing, electrical as well as professional responsibilities and reporting. Use these books as a supplement to your AHIT home inspection course, and you'll be ready to pass the NHIE. After reviewing these books, visit the exam board's site for practice quizzes and exams.