Inspection Training

How to Inspect the Cabinet Exterior and Interior of the Heating System

While the inspector is at the heating system they should check for any rusting, corrosion, or damage to the interior or exterior of the system. Please review the entire procedure below.


International Standards of Practice for Performing a General Home Inspection


3.4. Heating


I. The inspector shall inspect:

A. The heating system, using normal operating controls.


II. The inspector shall describe:



III. The inspector shall report as in need of correction:

B. If the heating system was deemed inaccessible.


IV. The inspector is not required to:



Axium SOP Differences

Axium Requires: The inspector will check the interior and exterior of the heating system for general damage.


Tools Needed

No tools required to inspect the Cabinet Exterior and Interior.


  • While inspecting the heating system you will want to check the interior and exterior of the cabinet for any damage, corrosion, or signs of leaking. There are no pictures required for this section unless there is a defect present at the heating system.


Common Defects

  • There is a condensation leak in the blower chamber.
  • There is rusting or corrosion present on the interior or the exterior of the heating system.
Common Mistakes

  • Not checking the entire heating system for any damage.
  • Not taking the front cover off of the furnace to check for any damage on the interior.


Report / Software


  • The [word 1] cabinet exterior and interior appeared to be in serviceable condition at the time of the inspection.

    • Furnace
    • Heating System


  • N/A


  • N/A


  • Condensate Leak: The furnace cabinet interior at the blower chamber had moisture from a condensation leak. A qualified contractor should evaluate and repair or replace as necessary.
  • Defect: The [word 1] cabinet was corroded or rusted in some areas. A qualified contractor should evaluate and repair or replace as necessary and according to current standards.
    • Boiler
    • Furnace
    • Heating System