If you’ve ever hosted holiday guests, you already know the truth: getting the food right is easy compared to keeping everyone comfortable. One person runs hot, another is freezing, someone opens a window, someone else closes it, and suddenly your thermostat is at the center of a family debate. In Houston, the challenge gets even more interesting. You may have a 40-degree morning followed by a 78-degree afternoon. Add a full house and you’ve got yourself a Texas-sized comfort