HVLS Fan Buying Guide: Everything to Know Before Purchasing
25 Aug.,2025
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.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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