You've probably been told before that all attics need ventilation and that proper ventilation has many benefits for your home. Here is a brief breakdown of exactly how ventilating your attic benefits the overall health and wellbeing of your home and family. Benefits of Attic Ventilation Attic ventilation helps maintain a healthy, energy-efficient home. It extends the life of your roofing shingles and underlayment and reduces moisture build-up that can