Ceiling Fans Energy Consumption Data – Isotope

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)
Isotope C35G707L 44
59
70 6668
Isotope 65579 44 59 70 6668
Isotope C30G11L 52
44
72 5018
Isotope C30G45L 52 44 72 5018
Isotope C30G546L 52 44 72 5018
Isotope C30G707L 52 44 72 5018
Isotope 64793 52 44 72 5018
Isotope 64654 52 44 72 5018
Isotope 64656 52 44 72 5018
Isotope 65079 52 44 72 5018
Isotope 65081 52 44 72 5018