The Goodman 3.5 Ton 14 SEER 80000 BTU 80% AFUE Gas Furnace System is a durable and efficient complete HVAC solution. It consists of – (1) Goodman 3.5 Ton 14 SEER GSX14 42000 BTU Air Conditioner Condenser GSX140421 unit, (2) Goodman GMES80 80000 BTU 80% AFUE Upflow Single Stage Gas Furnace GMES800804CN unit and (3) Goodman 4 – 5 Ton CAPF Upflow/Downflow 21” Air Conditioner Evaporator Cased Coil CAPF4860C6 with R-410a Refrigerant.