What does maintaining proper humidity in an HVAC system help prevent?

Maintaining proper humidity levels in an HVAC system is crucial for preventing mold growth. Mold thrives in damp environments, and high humidity levels can create conditions that promote its development. When humidity is kept within an optimal range, typically between 30% and 50%, it reduces the moisture content in the air, making it less conducive for mold spores to germinate and grow. This is especially important in areas that are prone to dampness, such as basements and bathrooms, where mold can quickly become a problem.

In contrast, other factors like heat loss, noise pollution, and dust accumulation are not directly influenced by humidity levels in the same way. While humidity can impact comfort and air quality, the most significant and direct correlation is with the prevention of mold growth. Thus, proper humidity control in HVAC systems serves as an essential measure for maintaining a healthy and safe indoor environment.