Inspection Training

How to Inspect the Blower at the Heating System

While the inspector is at the furnace they should inspect the blower for any damage. Make sure that when you take the blower door off of the furnace that you secure it back on properly so the furnace will operate when you turn it on using the thermostat. Please review the full 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:

A. Any heating system that did not operate.
B. The heating system was deemed inaccessible.


IV. The inspector is not required to:



Axium SOP Differences

Axium Requires: The inspector should observe the blower if there is not a sealed chamber for any general damage and to make sure that it operated in a satisfactory manner.


Tools Needed

No tools required to inspect the Blower.



  • While inspecting the heating system we will want to observe the blower if it is accessible. Sometimes it will be sealed and we can’t check the blower. There is one picture for this section and it should show the blower or the door being sealed if we can’t inspect it.
  • Make sure after taking the picture to secure the blower door properly.

Common Defects

  • There are no specific defects for this section, but if you see any damage or any issues with the blower make sure to describe it in a blank statement in the program.

Common Mistakes

  • Not checking the blower if it is accessible.
  • Not closing the blower door properly so the furnace can operate.
  • Breaking the plastic tab that the blower door closes on that is required to be pushed down for the furnace to operate.


Report / Software


  • The furnace blower appeared to operate in a satisfactory manner at the time of the inspection.


  • Sealed Chamber: The furnace blower was enclosed in a sealed compartment and was not visible for inspection.
  • Gas Not On: The gas was not on to the furnace and the blower could not be inspected.
  • Electricity Not On: The electricity was not on to the furnace and the blower could not be inspected.



  • A boiler system is not designed to require a blower.


  • N/A