The Goodman 3.5 Ton 16 SEER 42000 BTU Heat Pump Air Conditioner System is the perfect heating and cooling solution for your home if you are looking for a strong balance between an efficient and durable HVAC system. It comes with – (1) Goodman 3.5 Ton 16 SEER GSZ16 42000 BTU Heat Pump GSZ160421 unit, (2) Goodman 3.5 Ton 42000 BTU ASPT Multi-Speed Air Conditioner Air Handler ASPT47D14 with SmartFrame Cabinet unit and (3) Goodman 10 kW (9.6 kW) 34100 BTU Heater Coil/Heat Kit HKSC10XC for AC Air Handlers with R-410a Refrigerant [TXV factory installed].