This 5 Ton 16 SEER Two-Stage Electric System from Trane has the following 3 components – Trane 5 Ton 17 SEER 2 Stage XR17 AC Condenser 4TTR7060A1000B, Trane 5 Ton 2-Stage Variable Speed Convertible & Multi 3/4 HP Air Handler TEM6A0D60H51SB & Trane 20 kW Electric Heater BAYHTR1523BRKA with Breaker.