When properly matched and installed, your DZ5SE offers up to 15.2 SEER2 performance. In many applications, the efficiency of your DZ5SE can be enhance by using it in conjunction with a Daikin brand gas furnace or air handler that includes a variable-speed blower motor. This unit features a powder-paint finish with premium durability and excellent UV protection. Supports the 2023 DOE Energy Conservation Standards.