Attic insulation is one of the most important things you can do to improve your home’s energy efficiency. By properly insulating your attic, you can minimize heat loss in the winter and keep your home cooler in the summer. There are a few different ways to insulate attic rafters, so be sure to talk to a professional before deciding on a method. In general, however, attic insulation is a wise investment that will pay off in lower energy bills and increased comfort all year round.