Trane 2 Ton 18 SEER 23800 BTU Split System Variable Speed Heat Pump Communicating System is a perfect heating and air conditioning system for your home. This variable speed communicating Heat Pump system has 3 major HVAC components – (1) Trane 2 Ton 18 SEER XV18 24000 BTU Variable Speed Heat Pump 4TWV8024A1000B, (2) Trane 2.5 Ton 2-Stage Variable Speed Convertible & Multi 1/2 HP Air Handler TEM8A0B30V31DB and (3) Trane 10 kW (7.2-9.6 kW) Electric Heater BAYHTR1510BRKC with Breaker.