How is energy efficiency for ceiling fans measured?
Energy efficiency for ceiling fans is measured in cubic feet per minute per watt (cfm/watt). To save energy – look for models with the airflow you need, then pick the one with the highest efficiency.
| FTC 2012 Ceiling Fans – Listed by Efficiency | |||||
| Data Submitted – March 2012 | |||||
| Brand Name | Model Number | Fan Diameter | Efficiency in cfm/watt | Energy Use in watts | Capacity (airflow in cfm) |
| Zephyr | 54-471-5FB-250 | 54 | 5334 | 71.6 | 74 |
| Zephyr | 54-471-5CN-SN | 54 | 5334 | 71.6 | 74 |