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) |
| Panama® DC | C66U11B | 56 | 199 | 32 | 10266 |
| Panama® DC | C66U45B | 56 | 199 | 32 | 10266 |
| Panama® DC | C66U546B | 56 | 199 | 32 | 10266 |
| Panama® DC | 66144 | 56 | 199 | 32 | 10266 |
| Panama® DC | 66145 | 56 | 199 | 32 | 10266 |
| Panama® DC | 66146 | 56 | 199 | 32 | 10266 |