My husband built me a great broody box, perfect about 4x4. My question is my basement is pretty chilly right now, but I do have a heat lamp, my 2 week old chicks be ok? Right now I have them in a rabbit cage with a heat lamp in my son's room, but you can imagine the smell. I would like to use my great broody box, but I am a little worried about the basement being so cold. Would the heat lamp heat them up enough? I do have 12 chicks.