As you learn how to build a cheap, backyard chicken shack, you will come to the knowledge of the importance of providing a light source for your birds. At night and during cold winter days, an artificial light source will keep your chickens warm and out of the dark. During the day and in the summer, windows on all sides are sufficient for light, ventilation and warmth. With these crucial elements to get you started, you will soon be on your way to knowing how to build your own chicken house