1. U S Government Federal law prohibits removal of this label before consumer purchase ENERGYGUIDE Room Air Conditioner Impecca Without Reverse Cycle Model IWA 10KSFP With Louvered Sides Capacity 10 000BTUs Estimated Yearly Operating Cost 74 y m 59 Cost Range of Similar Models 10 8 Energy Efficiency Ratio Your cost will depend on your utility rates and use Cost range based only on models of similar capacity without reverse cycle and with louvered sides Estimated operating cost based on a 2007 national average electricity cost of 10 65 cents per kWh