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Questions You Should Know about Commercial HVLS Fan

Author: Jesse

Mar. 24, 2025

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Frequently Asked Questions About HVLS Fans [And Their Answers]

As the name indicates, HVLS (High-Volume/Low-Speed) fans circulate large amounts of air while moving at a low speed.

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HVLS fans are widely used in commercial and industrial spaces.

DID YOU KNOW

One HVLS fan reduces energy consumption by 30% IN SUMMERS.

HVLS fans create a comfortable work environment by moving air in an effective way.

As they produce little noise, workers are less likely to get distracted. They focus and perform better in large spaces.

APPLICATIONS OF HVLS FANS

AGRICULTURE

HVLS fans distribute air over a large area, thus keeping the agricultural facility cool throughout the day.

The circulation of air reduces condensation on products and floors.

The efficient air movement also contributes to reducing the energy costs.

With HVLS fans, the temperature between the ceiling and floor remains consistent.

AVIATION

By mixing the warmer and cooler air, they minimize ceiling-to-floor differentials.

As a result, the moisture on the floor is reduced, leading to safer conditions in an aircraft hangar.

FITNESS CLUBS

Proper air circulation is important in fitness clubs. Insufficient airflow leads to air pollution which, in turn, causes multiple health issues.

Places with high humidity, stagnant air or limited ventilation may cause Sick Building Syndrome.

Infographic By KD EQUIPMENT

If you're in the distribution or warehousing business, you know how crucial it is to maintain a stable temperature at your facility. Certain products need to be stored at specific temperatures, particularly if they're perishable goods; the machinery in your facility also requires a specific temperature to perform optimally and last but not the least, the comfort of your employees is also a major consideration. And that's not all; proper temperature control is also essential for reducing energy consumption and costs.

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Keeping these things mind, we've compiled a list of measures that can help you improve temperature control in your warehouse.

Installing HVLS Fans

While most warehouses and storage facilities rely solely on HVAC systems for their temperature control needs, this approach can be quite expensive and can result in a lot of energy waste. While HVAC units are efficient at providing cooled or heated air to specific areas of a facility, they're not good at optimizing the airflow.

This problem can be solved by installing High Volume Low Speed (HVLS) fans. These special industrial fans are engineered to move large volumes of air at speeds of 3 to 5 mph, which creates an evaporative, cooling effect. A single HVLS fan can serve an area of more than 20,000 square feet and can reduce temperature by up to 11°F . By circulating air efficiently around the facility, HVLS fans  can help reduce the load on your HVAC system, which ultimately results in significant energy savings. HVLS fans can also significantly reduce humidity and allow for better warehouse temperature control.

Increase the Energy Efficiency of Your Loading Dock

Loading docks are among the largest contributors of heat/cooling loss in warehouses, with damaged dock doors being a major culprit. Damaged dock doors often have gaps in the frame which become an entry point for unwanted drafts. The HVAC system has to then work extra hard to maintain the correct temperature, which results in high energy bills.

If your dock doors are inefficient or worn out, consider replacing them with high-quality insulated industrial doors  that can effectively keep out drafts and can hold up in the rough warehouse environment.

Furthermore, installing seals and shelters across your loading dock can also help in maintain a stable temperature in your facility. Dock seals and shelters allow trailers to compress to the perimeter of the dock door when they back into the loading bay. This effectively seals the gaps and prevents outside air from entering the facility.

With over three decades of experience in providing high-quality warehouse solutions, KD Equipment is one of the biggest names in the warehouse equipment industry. Based in Florida , we provide a wide variety of warehouse equipment including HVLS fans , air doors , and loading dock  accessories. Get in touch  with us for further information.

In recent years, the popularity of High Volume Low Speed (HVLS) fans has risen dramatically among industrial businesses, particularly those for whom temperature and climate control are important requirements. In addition to optimizing the airflow in your space, an HVLS fan  will also help you make significant savings on energy costs.

How Do They Work?

HVLS fans work in quite a simple manner. Their long lightweight blades gently push large amounts of air downwards, where it travels along horizontally along the floor. This process keeps the air moving around the room in a circular motion at a stable speed, and prevents pockets of air sitting stagnant.

Low Speed Airflow Benefits

The primary advantage of keeping air moving at a slow speed is that it's non-disruptive and the airflow optimization achieved is much greater compared to conventional high speed floor fans. Also, when large volumes of air are circulated around the room, it effectively counteracts the  'rising heat' effect, and maintains a uniform room temperature. In large, cavernous spaces, HVLS fans can potentially reduce the temperature from 7 to 11 °F .

Energy Efficiency

HVLS fans work in combination with HVAC systems or the natural ventilation. However, while HVAC systems are efficient at distributing air, they're not good at mixing it. Since warm air rises, there can be a difference of up to 20 °F between the ceiling and the floor in tall, cavernous facilities. HVAC units often work extra hard to make up for this difference, which leads to a wastage of precious energy.

As we mentioned above, an HVLS fan allows constant circulation of air, which mixes air and removes the different layers of temperature from within it. This process is known as 'destratification' , and it reduces the load on the HVAC systems, which naturally leads to lower energy consumption.

Selecting the Right HVLS Fans for Your Facility

When shopping for HVLS fans, it's important to remember that not all products are the same. Owing to the drastic rise in demand, manufacturers of HVLS fans now offer products in a variety of sizes and specification, which means that you can now buy HVLS fans that are designed to optimize airflow to your specific requirements. So analyze the needs of your facility before you make a buying decision.

With over three decades of experience in providing high-quality warehouse solutions, KD Equipment is one of the biggest names in the warehouse equipment industry. Based in Florida , we provide a wide variety of warehouse equipment including HVLS fans , air doors , and loading dock  accessories. Get in touch  with us for further information.

Contact us to discuss your requirements of HVLS Fan Supplier. Our experienced sales team can help you identify the options that best suit your needs.

HVLS Fan Buying Guide: Everything to Know Before Purchasing

We all know that warmer air rises because it's lighter and cold air sinks because it's denser (this process is called thermal stratification). Air can become stagnant during this process and become problematic. Why? There is no airflow to help circulate the air.HVLS fan solve that problem. The blades produce enough power to move air from the ground to the ceiling and vice versa without disturbing the occupant. The air mixes creating a cooling or heating effect that is distributed evenly throughout the space ultimately leading to cost and energy savings.Just like the saying goes for any business, 'location is key,' the same applies to installing HVLS fans.
If the fan is not installed in the appropriate location, positioned correctly in relation to the floor area and movement below, airflow will not circulate effectively. Placing a fan too low in heating applications can cause draughts, while inefficient stratification can take place if the fan is too high in cooling applications.Another thing to keep in mind during the installation process is noise level. Some fans may operate louder than others. If you have static workers sitting at a desk, consider a HVLS fan with a low dB level. Seek professional advice to ensure a design that is best suited for your workers and building space.Destratification systems can cut energy consumption as much as 50%. It's well worth the investment, business can see a return on investment in as little as one year.
The same is true for trying to keep a building cool during the summer. By installing a HVLS fan you constantly circulate the air. This allows for the entire space to stay the same temperature which results in the heating/cooling system to work less.0 - No protection provided
1 - Protected from touch by any large surface of the body such as hands greater than 50 mm.2 - Protection against touching with the finger and ingress of solid objects exceeding 12 mm in diameter.3 - Protected from touch by hands greater than 2.5 millimeters. Protection from possible ingress of tools or thick wires.4 - Protected from touch by hands greater than 1 millimeter. Protection against the ingress of most wires and screws.5 - Protected from limited dust ingress. Ingress of dust is not entirely prevented, but dust cannot interfere with the satisfactory operation of the equipment.6 - Protected from total dust ingress
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