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The Emerson EARC8RSE1 is a window and wall air conditioner that is designed to provide efficient cooling for small rooms up to 350 square feet. It has an Energy Efficiency Ratio (EER) of 12.1, which means it is more energy efficient than most other air conditioners in its class. The easy-to-read Energy Guide indicates that this unit uses 576 kWh per year, which translates to an estimated yearly operating cost of $58. This is a great choice for those who want to keep their cooling costs low and their energy consumption in check.
