The importance of effective Attic Insulation & Attic Ventilation cannot be understated! Your attic insulation, attic ventilation, and radiant heat is a major player in your home heating and cooling, which directly translates into your electric bill! Your attic has 3 basic elements that can be improved to maximize energy savings. To learn more about air leaks and the workings of your attic : attic air transfer, attic insulation (blown wool), radiant heat (radiant barrier), and attic ventilation (soffit vents; wind turbines, power ventilators, solar powered ventilators).