Trane 3 Ton 20 SEER 34800 BTU Variable Speed Electric Communicating System is a very powerful 20 SEER HVAC package for your home. This 3 Ton system includes – (1) Trane 3 Ton 20 SEER XV20i 36000 BTU V/S Air Conditioner Condenser 4TTV0036B1000C, (2) Trane 3 Ton 2-Stage Variable Speed Convertible & Multi 1/2 HP Air Handler TEM8A0C36V31DB and (3) Trane 10 kW (7.2-9.6 kW) Electric Heater BAYHTR1510BRKC with Breaker.