Canadian Home Inspector (RHI) Exam study materials
Canadian Home Inspector (RHI) Exam study resources

Canadian Home Inspector (RHI) Exam key terms

Canadian Home Inspector (RHI) Exam · Get comfortable with the vocabulary.

Standards of Practice

A published document that defines the minimum scope, methods, and reporting requirements for a home inspection, specifying which systems and components must be inspected and which are excluded.

Related: Scope of Inspection, Exclusion
Scope of Inspection

The specific list of building systems and components that an inspector agrees to examine, together with any agreed limitations or exclusions, as defined by the applicable standard and contract.

Related: Standards of Practice, Exclusion
Exclusion

A system, component, condition, or activity that the Standards of Practice or the inspection agreement specifically removes from the inspector's required scope, such as concealed defects or environmental testing.

Related: Scope of Inspection, Limitation
Limitation

A condition, restriction, or circumstance that prevents an inspector from fully applying the required inspection method, such as stored goods blocking access or a system being shut down.

Related: Exclusion, Readily Accessible
Readily Accessible

Describes a system or component that can be examined safely without moving personal belongings, dismantling permanent finishes, or using specialized tools beyond those normally required for the inspection.

Related: Limitation, Concealed Defect
Concealed Defect

A defect or condition that is hidden from view by finishes, soil, stored items, or building components and therefore cannot be observed during a visual inspection, so it is normally excluded from the standard.

Related: Readily Accessible, Latent Defect
Latent Defect

A defect that exists at the time of inspection but is not visible or discoverable through the required inspection method, and which may later become apparent through use or failure.

Related: Concealed Defect, Material Defect
Material Defect

A condition that significantly reduces the value, safety, habitability, or structural integrity of the property, or that would require significant repair or replacement to correct.

Related: Latent Defect, Safety Hazard
Safety Hazard

An observed condition that presents an unreasonable risk of injury or death to occupants, such as exposed wiring, missing guards, or a defective flue, and that must be reported clearly.

Related: Material Defect, Immediate Hazard
Immediate Hazard

A serious safety condition that requires prompt attention or temporary mitigation before further use, such as a gas leak, backdrafting appliance, or unsafe electrical panel.

Related: Safety Hazard, Material Defect
Code of Ethics

A set of binding professional conduct rules covering integrity, objectivity, confidentiality, conflicts of interest, and fair dealing that an inspector must follow as a condition of membership or certification.

Related: Conflict of Interest, Confidentiality
Conflict of Interest

A situation in which an inspector's personal, financial, or business interests could improperly influence inspection findings or recommendations, such as receiving compensation from a contractor for repair referrals.

Related: Code of Ethics, Referral Fee
Referral Fee

Payment or other benefit given to or received from a third party for sending inspection business or repair work, which is generally prohibited because it compromises independence and objectivity.

Related: Conflict of Interest, Code of Ethics
Confidentiality

The ethical duty to keep client information, inspection findings, and the report private unless the client authorizes disclosure or the law requires it.

Related: Code of Ethics, Inspection Agreement
Objectivity

The ethical requirement to report observed conditions honestly and without bias, favoritism, or influence from real estate agents, sellers, or other parties who may benefit from a particular outcome.

Related: Code of Ethics, Conflict of Interest
Inspection Agreement

A written contract signed before the inspection that identifies the scope, standards, limitations, fees, and liability terms, and that helps manage client expectations.

Related: Scope of Inspection, Limitation of Liability
Limitation of Liability

A contract clause that caps or restricts the inspector's financial responsibility for claims arising from the inspection, subject to applicable law and professional standards.

Related: Inspection Agreement, Errors and Omissions Insurance
Errors and Omissions Insurance

Professional liability coverage that protects an inspector against claims of negligence, errors, or omissions in the inspection and report.

Related: Limitation of Liability, Inspection Agreement
Report

The written document delivered to the client that describes the inspected systems and components, identifies observed defects and limitations, and states the scope and any exclusions.

Related: Standards of Practice, Material Defect
Life Expectancy

An estimate of the average service life of a building component or system under normal conditions, often provided as general information rather than a guarantee of future performance.

Related: Material Defect, Deferred Maintenance
Deferred Maintenance

Postponed upkeep or repairs that have accumulated over time, often visible as deteriorated finishes, leaks, or worn components, and which may affect the condition and value of the property.

Related: Life Expectancy, Material Defect
Structural System

The load-bearing components of a building, including foundations, footings, columns, beams, walls, and roof framing, that transfer loads safely to the ground.

Related: Foundation, Roof Framing
Foundation

The lower portion of a building that transfers structural loads to the soil, commonly made of concrete, masonry, or treated wood, and inspected for cracks, movement, and moisture.

Related: Structural System, Efflorescence
Efflorescence

A white, powdery deposit of salts left on masonry or concrete surfaces when water evaporates, often indicating moisture movement through the material.

Related: Foundation, Moisture Intrusion
Moisture Intrusion

The unintended entry of water or water vapor into a building through leaks, condensation, poor drainage, or failed flashing, which can cause rot, mold, and structural damage.

Related: Efflorescence, Flashing
Flashing

Water-resistant material installed at roof intersections, walls, and penetrations to direct water away from joints and prevent moisture intrusion into the building envelope.

Related: Moisture Intrusion, Roof Covering
Roof Covering

The outermost layer of a roof, such as asphalt shingles, metal, tile, or membrane, that sheds water and protects the roof structure from weather.

Related: Flashing, Roof Framing
Roof Framing

The structural members, including rafters, trusses, and sheathing, that support the roof covering and transfer loads to the walls.

Related: Roof Covering, Structural System
Electrical Service Panel

The main distribution enclosure containing circuit breakers or fuses that control and protect the electrical circuits in a building, inspected for safety defects and labeling.

Related: Ground Fault Circuit Interrupter, Bonding
Ground Fault Circuit Interrupter

A protective device that quickly shuts off power when it detects a small current imbalance to ground, reducing shock risk in wet or outdoor locations.

Related: Electrical Service Panel, Bonding
Bonding

The permanent joining of metallic parts to form an electrically conductive path that ensures electrical continuity and safe fault current flow.

Related: Ground Fault Circuit Interrupter, Electrical Service Panel
HVAC System

The heating, ventilation, and air-conditioning equipment and distribution components that control temperature, humidity, and air quality in a building.

Related: Heat Exchanger, Combustion Air
Heat Exchanger

The component in a furnace that separates combustion gases from the circulating household air, inspected for cracks or deterioration that could allow carbon monoxide entry.

Related: HVAC System, Backdrafting
Backdrafting

The reverse flow of combustion gases into a building caused by inadequate draft or pressure imbalances, creating a carbon monoxide hazard.

Related: Heat Exchanger, Combustion Air
Combustion Air

The air supplied to fuel-burning appliances for safe and complete combustion, which must be adequate to prevent backdrafting and carbon monoxide production.

Related: Backdrafting, HVAC System
Plumbing System

The water supply, distribution, fixtures, drains, vents, and related components that provide potable water and remove wastewater from a building.

Related: Water Heater, Cross-Connection
Water Heater

An appliance that heats and stores potable water for domestic use, inspected for safe installation, relief valve, venting, and signs of leakage or corrosion.

Related: Plumbing System, Temperature and Pressure Relief Valve
Temperature and Pressure Relief Valve

A safety device on a water heater that opens to release excess pressure or temperature, preventing tank rupture or explosion.

Related: Water Heater, Safety Hazard
Cross-Connection

A link between potable water and a non-potable source that could allow contamination to enter the drinking water supply, often prevented by backflow devices.

Related: Plumbing System, Backflow Preventer
Backflow Preventer

A device that prevents the reverse flow of contaminated water into the potable supply, commonly required at irrigation systems, boilers, and hose connections.

Related: Cross-Connection, Plumbing System
Professional Practice

The day-to-day conduct of an inspection business, including client communication, scheduling, continuing education, and adherence to standards and ethical obligations.

Related: Inspection Agreement, Code of Ethics