Energy bills have a habit of creeping up quietly. One season blends into the next, and before long, the cost of heating or cooling a home feels heavier than it should. Many homeowners look at windows or boilers first, but the roof often carries more responsibility than it gets credit for. A well-built roof does more than keep rain out. It plays a steady role in holding warmth inside during winter and easing heat build-up in summer. When roofing systems age or fall out of bala