This video provides an overview of industrial and commercial ceiling fan clearances and HVAC equipment clearances.
In addition to the guidelines for ceiling and wall clearances included in this video, be sure to follow all general installation and clearance guidelines, to ensure safe and correct operation of your fan. This video includes detailed tables and drawings. Please pause the video at any point for extra viewing time. You can also view these tables and drawings in the Fan Distance Guidelines PDF.
First we’ll discuss clearances for industrial and commercial ceiling fans. As you look at the lights in your space, when possible, lights should be level with the fan’s airfoils. And if the lights are located above the fan’s rotating airfoils, we recommend turning the lights off.
Next, we’ll look at ceiling and wall clearances. Here, you can see the distance between the top of the winglet and the ceiling deck noted as “A”. You’ll need to know your fan model and the size to determine the appropriate ceiling clearance. The fan models in the table include the Powerfoil 8. In this drawing, you can see the distance from the outer edge of the winglet to the wall, noted as “B”. You’ll need to know your fan model, and the size, to determine the appropriate wall clearance. The models noted in the table include the Powerfoil, D. You can also view these tables in the Fan Distance Guidelines, PDF. Fans not specified in the previous tables should maintain the general guidelines.
Let’s do a quick review of some key things to remember!
- Space the fans at a center-to-center distance that is at least 2.5 times the fan diameter.
- The fan installation area must be free of obstructions such as lights, cables, sprinklers, or other building structure components.
- The minimum clearance from obstructions should be no less than two feet in all directions.
- The fan must be installed so that the airfoils are at least ten feet above the finished floor, unless otherwise noted.
- The fan must be installed so that it is plumb to the ground, unless it is column-mounted.
Now, we’ll cover fan clearances for heating, ventilation, and air conditioning equipment. To ensure HVAC equipment does not decrease fan performance and product life, or cause a potentially unsafe situation, install the fan according to the following guidelines.
- HVAC equipment includes exhaust fans, air conditioning systems, and heating systems.
- When the fan is located above or below the discharge or intake of HVAC equipment, the minimum distance between the fan, and the HVAC equipment, must be at least one times the fan’s diameter.
- If the fan is located inside the discharge, or intake, of HVAC equipment, consult TBC Supply or Big Ass Fans for assistance.
- If possible, the diffuser should be adjusted so that the discharge intake does not affect the fan’s airfoils.
In addition to the specific requirements for industrial fans and HVAC clearances, be sure to adhere to all general guidelines.
Have questions? Contact your TBC Supply representative for more information.