How do I size an HVLS fan?
Direct answer: Start with the floor area and clear height, then select the diameter whose coverage overlaps the space with even airflow. Confirm mounting structure, voltage and required quantity with a project layout.
- 24ft: up to 1,600 sq.m
- 20ft: up to 1,200 sq.m
- 16ft: up to 750 sq.m
| Diameter | Coverage | Typical clear height | Airflow | Best fit |
|---|---|---|---|---|
| 24 ft (7.3m) | 1,600 sq.m | 8–15m | 14,800 m³/min | High bay warehouse |
| 20 ft (6.1m) | 1,200 sq.m | 7–12m | 12,500 m³/min | Factory / logistics |
| 16 ft (4.9m) | 750 sq.m | 6–10m | 9,200 m³/min | Workshop / commercial |
| 12 ft (3.7m) | 450 sq.m | 5–8m | 6,100 m³/min | Gym / retail |