A well insulated chicken coop in Eastern Ontario, Canada with summer temperatures here vary between 75˚F and 90˚F and the winter temperatures at night time are between 0˚F and -30˚F. Because of this, we felt that having a well insulated coop was very important. Here is a picture of the almost completed coop. The electrical has yet to be completed in this picture and the pulley system for the pop hole has yet to be installed on the exterior.
12/24/2016 - Nearly a dozen weather records could be broken on Boxing Day: Environment Canada - records from as early as the 1800s could be broken as a system of low pressure brings high temperatures to Southern Ontario