Inspecting Furnaces

by Ben Gromicko and Nick Gromicko


Heating system

 Inspect, Identify and Describe a Furnace


According to the InterNACHI Residential Standards of Practice, a home inspection is a non-invasive, visual examination of a residential dwelling that is designed to identify observed material defects within specific components of that dwelling.  Part of the home inspection includes the inspection, identification and description of the heating system.


The inspector is required to inspect the heating systems using normal operating controls, and describe the energy source and heating method. The inspector’s report shall describe and identify, in written format, the inspected heating system and shall identify material defects observed.


In order to perform an inspection according to the Standards of Practice, an inspector must apply the knowledge of what s/he understands about the different types of residential heating systems.  To fully inspect and identify a particular heating system, describe its heating method, and identify any material defects observed, an inspector should be able to explain and discuss with his/her client:

  • the heating system;
  • its heating method;
  • its type or identification;
  • how the heating system operates;
  • how to maintain it; and
  • the common problems that may be found.

The inspector must be able to thoroughly examine a heating system, understand how a particular heating system operates, and analyze and draw conclusions as to its apparent condition.  An inspector should also be able to justify his/her observations, opinions and recommendations that were written in the inspection report.

Chimney Certified Inspector


Certified Residential Inspector

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