Ceiling fans and personal fans enhance air movement around occupants to increase heat loss from the body through convection and evaporation.

Instead of lowering air temperature, these fans create airflow that accelerates the evaporation of perspiration and improves the body’s natural cooling mechanism. The ceiling fan circulates air within a larger space, maintaining comfortable conditions with minimal energy use. The personal fan directs air movement toward an individual, providing targeted cooling only where it is needed.

By increasing airspeed and promoting evaporative cooling, this strategy allows for higher indoor temperature setpoints while maintaining thermal comfort of the body, significantly reducing the need for energy-intensive mechanical cooling.