Ceiling Fan Energy Index (CFEI) - The Department of Energy's (DOE) Compliance Certification Management System (CCMS).
Noise level is measured 6 m (20 ft) at blade height and 6 m (20 ft) horizontally from blade centre.
Maximum effective diameter is where horizontal air speed at 1.2 m (3.9 ft) above floor drops below 0.2 m/s (0.7 fps) in an empty room.
Specifications may vary due to electrical and environmental conditions.Specifications subject to change without notice.