ENERGY INFORMATION at High Speed Airflow 5,143 Cubic Feat Per Minute Electricity Use 40 Wale {excludes lights) Airflow Efficiency 129 Curlicue: Feet Par Minute Per Witt Compare: excelling dons hove airflow deficiency. 57.8 audio feat per mine per watt thigh speed Money-solving Tip: Turn of fan when'leaving room.