A system for defogging/defrosting an automobile side window, which extends upwardly from an interior panel, in which a window strip extends along an upper edge of the interior panel between the panel and the window. The window strip includes a length of hollow tubing having a flange integrally extending upwardly adjacent to the interior window surface, a plurality of longitudinally spaced openings along an upper surface of the tubing on a side of the flange remote from the window, a fitting at one end of the tubing for connection to a vehicle HVAC system and a cap at the opposing end of the tubing. In the preferred embodiment, the flange tapers narrowingly to an edge in abutment with the window. Air from a vehicle HVAC system fed into the tubing is directed through the openings upwardly along the interior surface of the window for defogging/defrosting the window. The flange in engagement with the window interior surface prevents moisture from flowing downwardly past the window strip. This flange is particularly advantageous when employed in conjunction with a vehicle side window that may be raised and lowered, in that the flange also functions as a wiper in sliding engagement with the window interior surface. Any moisture wipe d from the interior surface of the window may flow through the openings into the tubing for subsequent evaporation.
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