Not all roof overhangs are designed solely for passive cooling. This one is a quirky architectural addition, and it also protects people at the door from wind, rain and snow.Besides providing passive cooling and shelter, as in this example, roof overhangs also save doors and windows from bad weather (saving you money), and protect a house's exterior and foundation from water runnoff.
Bring it home: Does your home say something about you at first glance, or does it look exactly like your neighbors' homes? Maybe a brilliant royal blue door is the way to say, "Hello, world!"