heated coop

[Italian Chicken]

I live in Northern Minnesota, is it better to heat your coop for egg production?

 

[Bear Foot Farm]

Food and light matter more than heat.
Chickens can stand lots of cold if they are dry and out of drafts.
I wouldn't use any more heat than what is needed to keep the water from freezing, and maybe to warm nest boxes if you can't get eggs before they freeze