Which of the following is a potential consequence of inadequate attic venting?

Inadequate attic venting can lead to increased humidity levels, which is a significant concern for a home's integrity. When an attic is not properly ventilated, moisture from various sources, such as cooking, bathing, and even respiration from the living areas below, can accumulate. This excess moisture can contribute to a range of problems, including the development of mold and mildew, which thrive in humid environments. These conditions can compromise the structural components of the house, such as wood framing and roofing materials, leading to more extensive and costly repairs over time.

Proper attic ventilation helps to regulate temperature and humidity, allowing for moisture escape and preventing the oversaturation of the air within this space. This is particularly important during colder months when condensation can form on cold surfaces. By ensuring adequate venting, homeowners can mitigate the risk of these moisture-related issues, maintain a healthier indoor environment, and protect the longevity of their roof and insulation.

In contrast, options suggesting better energy efficiency, enhanced air quality, or reduced heating costs do not directly relate to the consequences of inadequate attic venting. While proper ventilation can contribute to those benefits, the immediate and clear consequence of inadequate venting is notably the increase in humidity levels.