The Balance of Intake and Exhaust
Effective attic ventilation in Central Michigan relies on a balanced system. “Intake” vents are located at the lowest part of the roof (the soffits) to pull cool air in. “Exhaust” vents are located at the peak (the ridge or box vents) to let hot air out. If you have plenty of exhaust but no intake, the air stays stagnant, and the system fails.
Many homes in Mt. Pleasant, Alma, Midland, and Clare have blocked soffits, which is like trying to breathe through a straw. Ensuring both sides are clear is vital.
Protecting Your Shingles from Summer Heat
In July, a poorly ventilated attic can reach 150 degrees. This extreme heat radiates through your ceiling and “cooks” the asphalt in your shingles, making them brittle and causing granule loss. High-quality attic ventilation in Central Michigan flushes that heat out, keeping your home cooler and reducing the workload on your air conditioner.
Lowering your attic temperature by even 20 degrees can result in significant savings on your monthly energy bills.
Fighting Winter Moisture and Ice Dams
In the winter, moisture from showers and cooking rises into the attic. If the attic ventilation in Central Michigan is poor, that moisture condenses on the cold roof deck, leading to mold and wood rot. Furthermore, a warm attic melts snow on the roof, which then refreezes at the eaves to create dangerous ice dams.
By keeping the roof deck cold, you prevent the melt-refreeze cycle that causes water to back up under your shingles and leak into your home.
Signs Your Ventilation is Failing
Common warning signs include unusually high cooling bills, icicles forming in winter, and a “musty” smell in the attic. You might also see shingles that are “cupping” or “clawing,” which is a sign of heat damage. If you notice any of these, an attic ventilation Central Michigan audit is the first step toward saving your roof.
Call Energy Plus Home Improvements
Does your roof have the airflow it needs? Energy Plus Home Improvements can inspect your attic and ensure your ventilation system is perfectly balanced for the Michigan climate.
