Mix a bunch of humidity in a confined space with no where for that moist air to go and you get mold... lots of it. In a previous post, I mentioned that my lovely wife just loves her hot showers. With no ventilation, mold builds quickly, especially when I have the window covered with a plastic seal to stop any drafts.
Several months ago, I researched out the best vent fan for the bathroom. Overwhelmingly, I found that Panasonic...