So far the vent has been working well. I replaced the included halogen light bulbs with LED type to keep from heating up while in use. Unit shakes a little at high and boost settings. I even secured unit with extra washers at the screw points. One thing I was concerned with is that the vent fan is situated on one side of the unit. Right above the left venting filter. The right side seems to not have as good venting because the fan is closed off on the left. So only the left sucks up smog/steam/heat efficiently. The right side vent filter is more like esthetic than function. Not sure if GE has a fix for this.