Homeowners want the best performance from their ducts and sheet metal ducts still provide the most durable, efficient and clean air distribution system. In addition to offering superior air flow, the ...

A shift may be under way ductwork fabrication and commercial and industrial HVAC construction. In some uses, phenolic pre-insulated ducts are replacing those fabricated with galvanized sheet metal.

Saving labor was a priority in the 1970s as much it is today. One of the biggest developments in the ‘70s (and ‘80s) came from transitioning away from fabricating rectangular sheet metal duct ...