Ridge vents are designed to improve ventilation and airflow in the attic space of a house. While they are primarily beneficial during hot and humid conditions by allowing hot air to escape, they do not necessarily make a house colder in winter.
During the winter, the purpose of proper attic ventilation is to prevent the buildup of moisture and condensation, which can lead to issues such as mold, mildew, and wood rot. Ridge vents, along with soffit vents or other forms of intake vents, help maintain proper airflow in the attic, allowing any excess moisture to escape. This helps in preserving the integrity of the roof and reducing the risk of damage.
It's important to note that ridge vents are designed to work in conjunction with other ventilation components. The intake vents, such as soffit vents, allow fresh air to enter the attic, while the ridge vents facilitate the exit of stale air. This balanced ventilation system helps regulate temperature and moisture levels in the attic year-round.
During winter, the goal is to prevent heat loss from the living spaces below into the attic. Adequate insulation in the attic, such as insulation in the attic floor, helps to retain heat within the living areas. The ventilation system, including ridge vents, should not significantly impact the heating efficiency or make the house colder during winter when the insulation is properly installed and maintained.
In summary, ridge vents are intended to provide proper ventilation in the attic space, which is important for moisture control and maintaining the integrity of the roof. When combined with proper insulation, ridge vents should not make a house colder in winter.