Understanding The Role of an HVAC Ductwork Fabricator

Kevin Raymond over at K&E Sheet Metal has a great write up on what a "tin knocker" is.

Have you ever heard of the term 'tin knocker'? There's a good chance you have come across the term somewhere along the line. Although, there's also a really good chance you have no idea what I'm talking about.

So what is a tin knocker anyway?

Although there is no real dictionary definition of the term, the accepted definition of a tin knocker is some one works with HVAC ductwork, a sheet metal worker. Meaning someone who fabricates duct and duct fittings for residential or commercial dwellings. Tin knocker can also be assigned to someone who installs ductwork on a regular basis. However, the term 'duct installer' is more common for the men and women working that job.


Read more at the K&E Sheet Metal blog