By: Jeannie Pate …. Click on the author’s name to view their profile and articles!!! Almost everyone is aware that heat moves, or spreads, from warmer areas to cooler places and also ascends upward. This heat transfer can occur when air moves from indoors to the outside or vice versa. Another way in which heat transfer occurs is through the walls, roof, and windows and exterior doors. In many homes the attic has many air leaks because of ventilation vents. Moreover, while the U.S. Department of Energy recommends that attics have insulation of R value between 40 and 60, many …Read the Rest