Are CEER and EER the Same? A Detailed Guide
                                
                                
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                                    4 min read                                
                            
                                According to the U.S. Department of Energy, the average U.S. household spends about 12% of its energy costs on air conditioning. When shopping for a new window AC, you might encounter two similar-looking efficiency ratings: EER and CEER. While related, are CEER and EER the same? The answer is no, and understanding their differences is crucial for making an energy-conscious purchase.