How cold is to cold for my runner ducks. They are one yr and 7 mos. I brought my 6 "babies" in to the garage last week as I had some frozen eggs. Oh my word, they are rank now. The tell me when and where they want treats. But I checked the duck hut this morning and it said 22 degrees. That is still to cold in my book. We are to have near zero temps at night and below that wind chill. I know that this summer I have to do something to make their hut warmer. Insulate under that thing good. Husband said to insulate the walls also. How warm do you folks keep your duck housing and how do you keep from frozen eggs.