How do I find my EER rating?
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to the Department of Energy, a room air conditioner's efficiency is measured by its Energy Efficiency Ratio (EER). To assess your unit's performance and potential savings, you will need to know: **How do I find my EER rating?** The good news is that the information is typically easy to find with a few simple checks.