Hi all. Here in the NE area it's chilly. The eggs are freezing and my water heater can't keep up, frozen water. the wind is wicked too! I kept the girls in for 2 days now. they have a big coop, plenty of room. Is that ok for them or should I let them out? how cold is too cold for a chicken? I know that they have feathers and such but last year was so mild and up until now this year has been mild too. What do you do with your chickens when it so cold?