A continuously variable transmission housing comprising an inner cover; and an outer cover connectable to the inner cover to provide the housing having an interior chamber defined therein. The housing outer cover comprises a primary clutch dome integrally formed within the housing outer cover and defining a primary clutch alcove within the interior chamber of the housing and an air duct integrally formed within the housing outer cover and extending from the primary clutch dome at a proximal end. The air duct structured and operable to direct air circulating within the interior chamber from the primary clutch alcove to an area of the interior chamber that is at an opposite end of the interior chamber from the primary clutch alcove.