It sounds like your chickens have it made!It was 13 last night in the mountains where we are. I believe it will drop even lower tonight. I have a completely enclosed coop for my chickens. However, it's not insulated. I am pretty sure they can tolerate even colder temperatures, but I like to make them as comfortable as possible. Last winter I used an electric heater on cold nights. This year I've tried a red heating brooder lamp that I used for my chicks last spring. It does keep the temperature a few degrees warmer than outside. I use a heated base (had to make an investment) for their waterer, which is very convenient, since it only comes on when the surrounding temperature falls below freezing and keeps their water from freezing without heating the water. So, my chickens are very well taken care of, though my rooster still managed to freeze one of his wattles, it's already black. Unfortunately, I don't know how to prevent that, since it happens when they go out in the morning before it warms up. I still have to go out and take care of my turkeys that were not really a planned addition, so they don't have any conveniences aside from a tarp over their heads and a place above ground to perch on, so they are pretty much in the open, and I have to get them warm water in the morning to keep it from freezing before the air warms up. I am not looking forward to it lol.
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