HVLS Fan Calculator

Not Sure How Many Fans You Need? Start Here.

Enter your space dimensions, ceiling height, and fan model to instantly see how many HVLS fans are needed for full coverage, with a real-time floor plan showing fan placement and airflow distribution.

Results are preliminary estimates for informational purposes only, based on published specifications and general industry assumptions (including a default $0.07/kWh rate and 50% utilization as of April 2026) — not a guarantee of energy savings, cooling effect, or HVAC performance. Actual results will vary by site, climate, HVAC system, and usage. MacroAir makes no warranty, express or implied, regarding accuracy or projected outcomes, and is not liable for damages arising from reliance on these estimates. Final specifications must be confirmed by a MacroAir specialist prior to purchase or installation.