duct
Ducts are conduits or passages used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The needed airflows include, for example, supply air, return air, and exhaust air. Ducts commonly also deliver ventilation air as part of the supply air. As such, air ducts are one method of ensuring acceptable indoor air quality as well as thermal comfort.
A duct system is also called ductwork. Planning (laying out), sizing, optimizing, detailing, and finding the pressure losses through a duct system is called duct design.
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A duct system is also called ductwork. Planning (laying out), sizing, optimizing, detailing, and finding the pressure losses through a duct system is called duct design.
View More On Wikipedia.org
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I Built a New Defroster Duct
My 81 had a dash panel in it that was totally garfed up by one of the previous owners. For whatever reason, someone chose to cut part of the speakers out instead of removing them. Then, if that wasn't enough, they decided all those protective slots cut into the dash were really cutting down on...