The primary functions of a building's mechanical ventilation system are:
1. Supplying fresh air: The mechanical ventilation system is designed to bring in outside air and distribute it throughout the building, ensuring a fresh and clean air supply.
2. Removing stale air: The system also removes exhaust air that contains pollutants, moisture and other contaminants.
3. Controlling indoor humidity: Ventilation systems play a key role in regulating the humidity levels inside buildings. By removing excess moisture, they prevent the growth of mould and mildew and help to enhance indoor air quality.
4. Maintaining comfortable temperatures: Mechanical ventilation systems are often linked with the heating and cooling systems of a building to regulate temperature and ensure a consistent level of thermal comfort.
5. Enhancing indoor air quality: The mechanical ventilation system continuously removes pollutants and other airborne contaminants that can affect the health and wellbeing of building occupants.
6. Reducing energy consumption: By improving air quality and optimising temperature control, mechanical ventilation systems can help to reduce energy consumption and lower the overall running costs of a building.
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