You expect clean, dependable comfort from Goodman, and this 2 Stage Variable Speed Central Split System delivers. The 4 ton, 14.5 SEER GSX140481 condenser stands for super comfort, quiet operation, and environmentally friendly cooling performance. R-410A refrigerant is chlorine-free and ozone-neutral. That same refrigerant optimizes the vaporizing power of the CAPF4860C6 evaporator coil. Goodman's GCVC961005CN furnace completes this system with 100k BTU capacity, and an outstanding 96% AFUE.