Its right around 0 here today. DH was down to the coop about 6:30 or so this morning to give fresh water and collect all of 2 eggs. I waited to go out until 4PM and was thinking all the eggs would be frozen. The water wasn't even frozen! DH had used the bobcat a few days ago to pile snow up around the coop to within about 2 feet of the roof and it was downright balmy in there! Plus, he put about another 3 inches of straw in there over the weekend which helped. There are days when my DH is a good man, a very good man.