Crystal-clear windows make us happy. It's true. Sparkling, streak-free windows are on most people's lists of top five surfaces that make us happy when we know they're clean -- in fact, clean windows are ranked fifth among those surveyed about cleaning satisfaction, behind floors, toilets, countertops and showers (mirrors, though, fall near the bottom of the list -- we don't really mind if those get a bit dusty). And when the windows aren't clean, they're the very first thing we want to wash when spring comes around -- at least for 72 percent of us [sources: Sansoni, Sansoni].
Let the sun shine in with these window cleaning tips for apartment dwellers not blessed with a window-cleaning service. First, you'll need a vacuum.