Are you confused with SEER calculation for your AC? We are happy to help you. Contents1 SEER (Seasonal Energy Efficiency Ratio):2 Formula:3 How to find your SEER rating:4 Chart:5   Tonnage Need by Square Foot:6 Highlights Of Seer: SEER (Seasonal Energy Efficiency Ratio): It illustrates to you how your air conditioner or heat pump is powerful. … Continue reading SEER Rating Chart for Air Conditioners [Calculator]