Fans produce a cooling effect by moving air. By moving air over your warm body, fans help evaporate the moisture from your skin, causing a cooling effect. The higher the air movement generally the cooler you will feel. Fans do not reduce actual room temperatures or humidity levels.
Features:
Lowest running costs
Lowest purchase cost
Move air, dont reduce temperatures
Portable or fixed
Quiet operation
Most energy efficient
Types of fans
Portable
Suitable for personal cooling
Styles include desk, box or pedestal
Look for oscillating feature and variable speed control
Ceiling fans
Permanently wired
Look for reversing function for winter use and variable speed control
Low installation costs
The number of blades has no effect on cooling capability
Considerations
Head clearance for ceiling fans should be 600-900 mm
Mount ceiling fans higher than existing light fittings to avoid flickering shadows, or install a unit with light attached
The fans should be reversible to assist with heating in the winter
Homes
