read this article or squandered. The current minimum amount AFUE permitted by the DOE for furnaces is eighty%. SEER2 is an average of efficiency around all the cooling period when temperatures range between 65°File to 104°F. Most brands provides you with the SEER2 score, but you can check with your nearby HVAC supplier in regards to the EER2. Frequent Routine maintenance: Ensure your HVAC system is serviced frequently to keep up its efficiency. This involves cleaning or replacing filters, checking for duct leaks, and making certain the system is effectively charged with refrigerant.The upper the SEER2 score, the more efficient the device is. The best SEER2 ranking for your new air conditioner or heat pump is going to be determined by where you live, the size and structure of your household, together with other variables. The best way to answer the click to read SEER2 question is to consult with an experienced HVAC professional.