"Trane’s 5 Ton 18 SEER 54000 BTU Split System Variable Speed Heat Pump Communicating System is an efficient heating and air conditioning solution for commercial and home HVAC needs. This Split System Variable Speed Heat Pump Communicating Heating and Air Conditioning system has 3 major HVAC components –

(1) Trane 5 Ton 18 SEER2 XV18 60000 BTUh V/S Communicating Heat Pump 4TWV8X60A1000, (2) Trane 5 Ton 60000 BTUh M Series V/S Communicating Air Handler TEM8B0C60V51D & (3) Trane 15 kW (10.8–14.4 kW) 36900-49200 BTUh Single-Phase Electric Heater BAYHTR1517BRK w/ Breaker."