Hello. I know this is a huge debate. But I live in northern Ontario Canada and want some silkies. Our winters are -40 Celsius. Although our coop will be well ventilated and insulated I want a bit of heat to keep the girls comfy but not heat the entire coop. I have seen the chicken chick pushes the. COzy Coop flat panel radiant heater....opinions????would any flat panel radiant heater work as well?