69Based on standard U.S. Government tests.Based on standard U.S. Government tests.More efficient air conditioners cost less to operate.This model's estimated yearly operating cost is:Based on a 1995 U.S. Government national average cost of 8.67C per kWh forelectricity.Your actual operating cost will vary depending on your local utilityrates and your use of the product.Compare the Energy Efficiency of thisAir Conditioner with Others Before You Buy.A symbol ofA symbol ofenergy efficiencyenergy efficiencyENERGY STARENERGY STAR RRRRENEENE RRRoom Air ConditionerModel ACU109PRWhirlpoolCapacity:10,000 BTU/hrLeastLeast MostMostEfficientEfficient EfficientEfficientWithout Reverse CycleWithout Louvered SidesEER, the Energy Efficiency Ratio,is a measure of energy efficiency for room airconditioners.Only models between 8,000 and 13,999 BTU/hr with the abovefeatures are used in this scale.EER, the Energy Efficiency Ratio,is a measure of energy efficiency for room airconditioners.Only models between 8,000 and 13,999 BTU/hr with the abovefeatures are used in this scale.$Important:Removal of this label before consumer purchase violates the Federal Trade Commission Appliance Labeling Rule (16 CFR Part 305)This Model's EfficiencyThis Model's Efficiency9.4 EER9.4 EER8.58.5 9.29.2