Goodman GSX160241 Single-Phase 16 Seer R-410A Condensing Unit, 2 Ton, 23,600 Btu, 208 / 230 Volts, 18 Amps Goodman Single-Phase 16 Seer R-410A Condensing Unit, 20 Ton, 23,600 Btu, 208 / 230 Volts, 18 Amps R-410A chlorine-free refrigerant Energy-efficient compressor This is manufactured in United States