I've been looking at my options for helping to keep a bit of warmth/heat in the coop. This will be my first winter with chickens. My coop is NOT insulated. I'm thinking about getting this Flat Panel Coop Heater http://www.shopthecoop.com/chickens/He.html in the appropriate size for my coop and Im wondering if anyone has used them, and if so how well do they work? And if I use one will I still have to insulate? I live in central new york so we do get some pretty bad winter weather. I would rather not insulate and use a chicken coop safe heater at this time, but will one work well without the other???? I dont want to keep the coop 70 degree's or anything... just enough to keep the girls comfortable on extra cold days and nights. Thanks!