For an efficient heating and cooling solution, Trane 4 Ton 18 SEER 47000 BTU Split System Variable Speed Communicating System is an excellent choice. This variable speed communicating system consists of 3 major Heating and Air Conditioning components – (1) Trane 4 Ton 18 SEER XV18 48000 BTU Variable Speed Air Conditioner Condenser 4TTV8048A1000B, (2) Trane XC80 80000 BTU 80% AFUE Upflow/Horizontal Two Stage Gas Furnace TUD2C080ACV42B and (3) Trane 4 Ton 60000 BTU 4TXC Cased Coil 4TXCC009DS3HCA…