SHANTHI AIRCOOLER IN COIMBATORE An exhaust fan is a mechanical device used to remove stale air, moisture, smoke, odors, and heat from an enclosed space and replace it with fresh air from the outside. It works by drawing air out of a room or building and expelling it outdoors, thus improving ventilation and air quality. Exhaust fans are commonly used in kitchens, bathrooms, industrial spaces, and other areas where air quality needs to be managed. Key Features of Exhaust Fans: 1. Air Circulation: Exhaust fans are designed to promote proper air circulation by pulling out warm, humid, or contaminated air from a room, thereby maintaining a comfortable and healthy indoor environment. 2. Versatility: These fans can be installed in walls, ceilings, or windows, depending on the specific ventilation needs of the space. 3. Types of Exhaust Fans: Window Exhaust Fans: Installed in windows to expel indoor air directly outside. Wall-mounted Exhaust Fans: Fixed to a wall and typically used in larger spaces like kitchens or factories. Ceiling Exhaust Fans: Installed in the ceiling, often used in bathrooms or attics. Inline Exhaust Fans: Mounted within ducts to extract air from long or complex ventilation systems. 4. Moisture Control: One of the primary uses of exhaust fans, especially in kitchens and bathrooms, is to prevent the build-up of moisture and humidity that can cause mold, mildew, and other damage to walls and ceilings. 5. Noise Reduction: Many modern exhaust fans are designed with noise-reducing technology to provide effective ventilation without creating disruptive noise. 6. Energy Efficiency: Exhaust fans are generally energy-efficient and use low power to remove air, making them an eco-friendly solution for improving indoor air quality. Common Applications of Exhaust Fans: Kitchens: To remove smoke, cooking odors, and excess heat. Bathrooms: To eliminate excess humidity, prevent mold growth, and keep the air fresh.