Wind chimes placed on a window alerts birds and prevents injury. Fruit trees with wind chimes also get less nibbles from birds. Wind chimes also tells you immediately when a storm is coming.
For feng shui balance, place metal wind chimes to the west, northwest and north. Wooden or bamboo chimes are to the east, southeast and south. Clay and porcelain wind chimes are all of earth and should be in the center, southwest, southeast, northeast, and east.