Home Inspector Prep — ASO

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NHIE Exam Study & Field Tools

HOME INSPECTOR PREP: PASS YOUR NHIE AND STATE LICENSING EXAM The National Home Inspector Examination has a 65 percent first-attempt pass rate. Candidates who fail are most often weak on identifying defects across all major systems, material life expectancies, and standards of practice scope. COMPONENT LIFE EXPECTANCY CHART Roofing: asphalt shingles 20 to 30 years, wood shingles 25 to 30 years, metal 40 to 70 years, tile 50 plus years, flat membrane 10 to 20 years. HVAC: gas furnace 15 to 20 years, central AC 10 to 15 years, heat pump 10 to 15 years, boiler 15 to 30 years. Water heaters: tank …

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