Are these a good idea as long as the ambient temp isn't too low? I'm trying to make a mama heating pad, but so far it's not the best and chicks are coming today. I am not a newbie, but it's been a few years and I've only done red 250 W bulbs in the past. Well, now I can't find my regular brooder clamp lamp so I've got to either buy another one and make a stand for it or find another solution.