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Simply put, it's the action of moving air. Out with the hot. In with the cool. It provides conditions that allow air to flow. Every time stale, overheated air in your home or attic is vented out and fresh air is pulled in to replace it, you have what is known as an "air exchange."
Ventilation is much more than a simple breeze blowing through your house. It is a process of providing a steady, high volume of air movement. It is a system of components, all sized and positioned to provide constant intake and exhaust of air.
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Why Do I need attic ventilation?
During warmer months, ventilation helps keep attics cool. It helps prevent hot, moist summer air from warping the roof sheathing and stops shingles from deteriorating prematurely. Fresh air in the attic makes a home much easier to cool, resulting in lower energy costs.
In winter months, ventilation helps reduce moisture to keep attics dry. It stops water from backing up under shingles, damaging insulation, and rotting the roof structure itself. It also helps prevent ice dams from forming in areas where snowfall and cold temperatures are common and pose a special problem because they prevent melt water from running off the roof. They can even cause leaks inside your home, resulting in drywall damage.
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McNail Brothers Sales Associates are trained
Air Vent Inc Experts and can recommend the best type of ventilation for your specific home.
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