We are all having a bad winter so far. My coop is not insulated. How much difference does insulation make, really? Who on here insulates their coop? Does the insulation keep it cooler in the summer? I live in NE NC and winters are usually not as cold as it has been this year. Summer is almost always hot and humid. Please tell me more about putting insulation in the coop. Also, if you leave the insulation up without adding a layer of wood (wall) on top of it, is this dangerous for the chickens?