Large industrial ceiling fans with a diameter between 20 to 26 feet are typically used in large spaces like warehouses, factories, sports arenas, and exhibition halls that require efficient air circulation. These fans provide uniform airflow to improve indoor temperature and humidity control. Below is some detailed information about industrial ceiling fans with diameters of 6 to 8 meters (20 to 26 feet):

1. Size and Application Scenarios

• Diameter 20-26 feet Fans: Fans in this size range are typically suited for larger open spaces, providing efficient air circulation for areas ranging from about 20,000 to 50,000 square feet.
• Suitable Locations:
• Warehouses and Logistics Centers: These fans help maintain temperature balance, reduce humidity build-up, and improve ventilation.
• Factories and Workshops: They help lower the ambient temperature in work areas, especially during hot weather, improving comfort and productivity.
• Sports Arenas and Exhibition Centers: These fans quickly circulate air, improve comfort, and reduce odors and moisture.
• Commercial Retail Spaces: Large shopping malls, supermarkets, and plazas benefit from fresh airflow and improved customer experience due to these high-volume fans.

2. Airflow and Airspeed

• Airflow: Fans in the 6-8 meter diameter range typically offer very high airflow, usually between 1,765,000 CFM and 14,115,000 CFM (depending on the fan's design, speed, and efficiency).
• Airspeed: HVLS (High Volume Low Speed) fans typically have low airspeeds, ranging from 1.6-10 feet per second (ft/s), as the low-speed operation is designed to distribute air evenly without causing discomfort or noise.

3. Advantages

• Energy-Efficient: These fans are designed for low-speed operation, meaning they use less energy while delivering high volumes of airflow, reducing the load on air conditioning systems and saving energy.
• Quiet Operation: Compared to traditional high-speed fans, industrial ceiling fans of this size operate much more quietly, making them suitable for environments where noise control is important.
• Comfort Improvement: By circulating air, they help regulate temperature and humidity in large spaces. They are particularly effective in reducing temperatures during the summer months, making the environment more comfortable for workers and visitors.

4. Design and Installation

• Mounting Method: These fans are typically installed in high-ceilinged spaces, such as on the ceiling or beams, to cover a larger area. The fan’s design ensures that air is evenly distributed throughout the space.
• Blade Design: The blades are typically wide and designed with specific angles and curvatures to reduce airflow resistance, improving efficiency.
• Smart Controls: Modern industrial ceiling fans come with smart control systems that adjust fan speed based on temperature, humidity, or airflow, providing enhanced energy efficiency and comfort.

5. Selection and Considerations

• Space Size: When choosing a fan, the space size should be considered. For a 6-8 meter (20-26 feet) diameter fan, the appropriate area would typically range between 20,000 and 50,000 square feet. Larger spaces may require multiple fans working together.
• Installation Height: These fans should be installed at an appropriate height to ensure maximum airflow. Typically, the installation height should be 2-3 times the diameter of the fan to ensure proper air circulation.
• Balancing Airspeed and Airflow: It’s essential to balance the airspeed and airflow to avoid excessive wind speed, which could cause discomfort or noise.

6. Common Brands and Models

Some well-known brands of industrial ceiling fans include Big Ass Fans, DHOO, Hunter Industrial Fans, and Venger, offering a range of models with various diameters and airflow outputs. When selecting a fan, it’s important to consider your specific needs and budget to choose the right model.

Summary

Industrial ceiling fans with diameters between 20 to 26 feet are ideal for environments requiring large-scale air circulation. These fans help regulate temperature, humidity, and improve comfort in large spaces. When selecting such a fan, factors such as the size of the space, airflow, airspeed, and energy efficiency must be considered.