Indoor air quality is a crucial aspect of maintaining a healthy and comfortable living environment. Poor ventilation can lead to the accumulation of pollutants, odors, and excess moisture, which can negatively impact the health and well-being of occupants. In such scenarios, installing a 4-inch extractor fan proves to be a simple yet effective solution. In this guide, we'll explore the importance of installing a 4-inch extractor fan and how it contributes to improving indoor air quality and overall comfort. 1. Removal of Excess Moisture: One of the primary functions of a 4-inch extractor fan is to remove excess moisture from enclosed spaces, such as bathrooms, kitchens, and utility rooms. Moisture accumulation can lead to the growth of mold, mildew, and bacteria, which not only contribute to unpleasant odors but also pose health risks to occupants. By effectively ventilating moisture-laden air to the outside, extractor fans help prevent these issues and maintain a dry and healthy...