HVLS (High Volume Low Speed) industrial fans are mainly divided into two categories: industrial and commercial. In industrial applications, due to the high cost of air conditioning, HVLS fans have become an economically effective alternative, especially in large spaces such as warehouses, barns, hangars, and distribution centers, where they can effectively prevent heat stress and improve the working environment. In commercial spaces, although air conditioning is more common, HVLS fans can effectively improve people’s comfort by increasing air flow. According to the search results, the following are some specific types and characteristics of HVLS industrial fans: Industrial large fan: This type of fan is developed in accordance with the principles of energy conservation, consumption reduction, improvement of working environment, and enhancement of human comfort. They have the characteristics of high air volume and low speed, such as a 7.3-meter diameter fan with a maximum speed of 55 revolutions per minute, which can produce nearly 15000m ³/ Minute air volume. Industrial energy-saving fan: This is a huge ceiling fan with a diameter of 7.3 meters. By applying aerodynamic principles and advanced technology to manufacture streamlined fan blades, it can drive a large amount of air with only 1.5KW or less power, generating a super large area of natural breeze system, playing a dual function of ventilation and cooling. The HVLS fan, originally developed for livestock applications, was originally designed to cool cows and reduce heat stress. Later, it gradually became widely used in industrial scenarios. When selecting HVLS fans, multiple factors need to be considered, including fan voltage requirements, weight, installation requirements, energy consumption, installation and maintenance costs, etc. In addition, the type of fan also needs to be determined based on space size, required cooling area, budget, and specific requirements of the working environment. For example, if the space is small, only a 12 foot fan may be needed; For large spaces, such as warehouses or distribution centers, fans at heights of 18 ‘to 24’ may be required. In addition, the operating volume of the fan is also important, especially in environments that require good hearing to complete the work.