I don’t know about you, but I love our hometown’s mill villages. My parents both grew up in the Dunson Mill Village, and I spent most of my time there as a kid, so to me the neat rows of wooden houses, neighborhood churches, and little shops will always feel like home. I also know from my own experiences that those homes weren’t built to be energy efficient. My Mammaw and Pappaw’s house, for example, had no heat in the bedrooms and no air condit…