What factors contribute to the growth of mold indoors?

The growth of mold indoors is primarily influenced by moisture and temperature. Mold thrives in environments where there is adequate moisture, as it requires water to germinate and develop. This moisture can come from various sources, such as leaks, high humidity, and condensation.

Temperature also plays a significant role; most molds prefer warmer conditions, typically in the range of 60°F to 80°F, which are commonly found in indoor environments. When these two factors—moisture and temperature—are present, they create an optimal breeding ground for mold spores to grow and reproduce.

While light and heat can affect mold growth, they are not as critical as moisture and temperature. Dry air and cold temperatures tend to inhibit mold growth, making them less conducive to mold issues. Similarly, while humidity and fresh air are related, fresh air alone doesn't directly contribute to mold growth without the presence of moisture and suitable temperatures. Thus, moisture and temperature are the most influential factors in facilitating mold development indoors.