High Volume Low Speed Fan

The High Volume Low Speed (HVLS) fan is ideal for heating and cooling in a variety of commercial and industrial applications, providing a constant flow of air throughout a space for sensible cooling and de-stratification of warm air pockets near the ceiling. The HVLS fan efficiently and quietly moves a large volume of air at a low operating cost.

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  1. Range from 8 to 24 foot diameter
  2. Operates on 1 to 2 horsepower, capable of moving nearly 400,000 CFM
  3. Effective year round, creating a non-disruptive laminar airflow above floor level to provide effective summer cooling and used at lower speeds for destratification in heating months
  4. User friendly controls with LCD screen displaying real time status of fan speed, space temperature, and status
  5. Customizable microprocessor based controls: Operate manually, automatically, or via building management system; emergency shutdown feature to interlock with the building fire alarm panel
  6. Variable Frequency Drive (VFD) provides soft start and full variable speed operation
  7. Quiet and efficient operation
  8. Low operating expenses for fan and minimal maintenance required – costs approximately 6 cents per hour for one fan at 0.75kW
  9. Tubercle Technology results in better performance by channeling airflow more efficiently, eliminating tip stalling (thus reducing noise), lowering vibration (thus reducing wear and tear on the blades and drive train), and offering stall angles as high as 22 degrees
  10. Safety clips and blade safety links prevent rotor or blade from falling in unlikely failure of the hub or drive system


The HVLS has been certified by ITS. This certification mark indicates that the product has been tested to and has met the minimum requirements of a widely recognized (consensus) U.S. and Canadian products safety standard, that the manufacturing site has been audited, and that the applicant has agreed to a program of periodic factory follow-up inspections to verify continued performance.

HVLS Models are ETL Listed under file number 101745142TOR-002 and conform to ANSI/UL Standard 507 and CAN/CSA C22.2 No. 113.