Hi Everyone! First time poster here, we'll see how it goes! I live in West Michigan (an hour north of Grand Rapids). We've decided to get chickens as both a fun learning experience for our three kids, and a source of healthy, natural eggs. We plan to get 4 hens- one silkie spicifically for the girls, and then 3 layers. Not sure which exact breed, but one that is good in the colder climate. The first thing we need is a coop, and I'm not the handiest of men We got the "Building Chicken Coops for Dummies" book, and it was exactly what I need - a complete, specific list of materials needed, and easy to follow cut list and assembly instructions. I'm planning to make the "Minimalist" coop, as seen here: Living in Michigan, I thought that the open mesh at the top of both sides would be too cold, so I plan to cut the side panels to cover the entire opening, with a small window on each side. Then I'll put a metal vent up at the top of the tallest side. I was also thinking an actual roof with shingles would be warmer than the corrugated roof over the frame. Do you guys think this would be warm enough? Would I need to wire it up with a light to give some extra warmth? That's something I could probably have someone do, but do you think it would be necessary? If anyone has some advice, I'd really appreciate it! I just want to make sure this is going to be warm enough for the little girls!