Abstract: An improved ventilation system for automobiles and the like which have windows which can be rolled down or similarly adjusted, comprising an energy saving insert assembly for capture between a rolled down window and the window frame above it; the insert assembly including an external scoop for forcing air into the automobile and an internal orientable nozzle for adjustably directing the forced air; special configuration adjusts the system to compensate for speed of the automobile, and makes one design fit either side of the automobile.