We have all seen images of the ancient cavemen, with the group standing around a roaring fire while some brave soul holds a skewered piece of mastodon meat and tries to get the perfect grill lines. Heat is important when living in a cold environment such as Chicago. While my SoCal, Caribbean and desert friends don’t usually have this problem, I can assure you that when the heat fails in Chicago during January, not only does the family get upset, but serious consequences can occur, including broken water pipes and marital tension.