National Home Inspector Examination Preparation2023 Content OutlineRegister for NHIE
Current NHIE content outline

Study property systems, reporting, and professional responsibility in official proportions.

The bank and full simulator follow the 70/20/10 domain structure. Build system knowledge, then practice the reporting decision that follows the observation.

Domain 1Site & Exterior

Grading, drainage, retaining walls, driveways, patios, decks, cladding, windows, doors, garage doors, and exterior safety.

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Domain 1Roof & Structure

Roof coverings, drainage, flashings, penetrations, foundations, framing, load paths, movement, moisture entry, and structural limitations.

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Domain 1Electrical Systems

Service, panels, grounding and bonding, wiring methods, overcurrent protection, GFCI/AFCI, devices, alternative energy, and EV equipment.

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Domain 1Heating & Cooling

Heating equipment, combustion, venting, distribution, cooling cycles, condensate, heat pumps, controls, and system limitations.

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Domain 1Insulation, Moisture & Ventilation

Heat transfer, insulation, vapor movement, air sealing, attic and crawlspace ventilation, mechanical exhaust, dryer ducts, and indoor-air systems.

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Domain 1Plumbing & Fuel Distribution

Supply, fixtures, DWV, water heaters, fuel piping, storage, sump pumps, ejectors, cross-connections, pressure, and safety devices.

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Domain 1Interiors, Fireplaces & Life Safety

Interior surfaces, stairs, guards, appliances, fireplaces, chimneys, egress, alarms, fire separation, and sprinkler observations.

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Domain 2Analysis & Reporting

Descriptions, methods, limitations, defects, implications, recommendations, urgency, further evaluation, and report clarity.

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Domain 3Professional Responsibilities

Pre-inspection agreements, scope, ethics, conflicts, privacy, liability, insurance, client protection, and professional objectivity.

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