Exhaust Fans and Snowmelt: Causes, Building Science, and Prevention Strategies
Exhaust fans are essential components in modern homes, removing moisture, odors, and airborne contaminants from bathrooms, kitchens, and utility rooms. However, in cold climates, these same fans can create a troublesome phenomenon: roof snowmelt. When warm, moist air from exhaust fans reaches a cold attic or roof assembly, it can cause uneven snow melting, leading […]
