It’s our first year having chickens, so I’m nervous about the incoming frigid weather. Next week we’re supposed to get a very cold snap. The weather is supposed to be -18f at night and a wind chill of -45. They have a very small radiant heater I can leave on near them when they sleep, it doesn’t put off much heat, though. There’s only 4 of them, so not a lot of body heat to go around. Will they be okay in their coop in this weather? The coop is not insulated, but I’ve found that it’s generally 10 degrees warmer in there than outside. They haven’t really been out in temps that far below 0 yet. I do have a garage I could probably talk my fiancé into letting them stay in inside an XL dog crate if absolutely necessary.