[Alumifab]

So I have a smoke pen and would like to know what is an easy (beginner) way to test for duct leakage?
Do I just run the HVAC fan and take the smoke pen around the ducts in the attic to see if the smoke is being sucked in or blown away?

Thanks.

 

[DOUG1111]

Now that you got the FLIR -

 

[beenthere]

So I have a smoke pen and would like to know what is an easy (beginner) way to test for duct leakage?
Do I just run the HVAC fan and take the smoke pen around the ducts in the attic to see if the smoke is being sucked in or blown away?

Thanks.

Pretty much the way its done.

 

[Alumifab]

cool. thanks guys....