Sweeping motions:
http://www.dummies.com/computers/arduino/how-to-create-sweeping-movements-with-the-arduino/
Create motions for fans to move around and create wind. In combination with a thermometer. So as temperature rises to a certain point, it will trigger the motion.
Thermometer: https://create.arduino.cc/projecthub/TheGadgetBoy/ds18b20-digital-temperature-sensor-and-arduino-9cc806