So you opted to live in a prewar walk-up. While the crown molding and original hard wood floors were enticing at first, a cool January winter has left you pondering your once easy decision. The floor feels like ice, your heater is irregular, the windows don't really shut, and the frigid temperatures seem to be coming from inside the house. I feel your pain and I'm here to help. If you must survive the winter inside, at least do it in style.