Air vents for sale

Air vents used inheating, ventilation, and air conditioning(HVAC) to deliver and remove air. These needed airflows include, for example,supply air,return air, andexhaust air.[1]Ducts also deliver, most commonly as part of the supply air,ventilation air. As such, air ducts are one method of ensuring acceptableindoor air qualityas well asthermal comfort.

A duct system is often called ductwork. Planning ('laying out'), sizing, optimizing, detailing, and finding the pressure losses through a duct system is called duct design.