What Is a Duct Pipe

Ducts are made typically of thin lightweight galvanized steel or aluminum (10 to 22 gauge) and they are used to distribute air and gases. Duct shape can be round, rectangular or oval. Pipes are made of are made of steel, copper, cast iron and other heavier materials and they are used to distribute water and liquids.

What is the difference between a duct and pipe?

The main difference in pipes & ducts is their fabrication process. Pipes are generally made of flat long rectangular sheet welded in round shape and is open at both ends. Whereas, ducts are made of galvanized steel and are often insulated. Ducts are used to exchange hot & cold fluids mainly gases.

Is a duct the same as a vent?

Air ducts and vents are part of a building’s heating, ventilation, and air conditioning (HVAC) system. There are two types: supply vents and return vents. If your indoor air handler is the heart of the system, the supply ducts are the arteries and the return ducts are the veins.