The Goodman® brand DSZC16 16 SEER Heat Pump uses the environmentally friendly refrigerant R-410A and features energy efficiencies and operating sound levels that are among the best in the heating and air conditioning industry. R-410A is chlorine-free to help prevent damage to the ozone layer. The DSZC16 features the two-stage, high-efficiency Copeland® UltraTech scroll compressor, which provides improved temperature and humidity control. This unit is designed for the consumer who desires superior comfort, quiet operation, and environmentally friendly air conditioning performance.