Trane 2 – 3 Ton 24000 – 36000 BTU A4MX Four Way Cased Coil A4MXB3642AC6HA is equipped with Trane’s all-aluminum Comfort™ coil. The unit is tested & tried to ensure minimum leaks. The high-quality construction of this 36000 BTU coil unit complements any heating and air conditioning system components.Trane HyperionTM 2 Ton – 3 Ton 30000 BTU convertible communicating air handler TAM9A0B30V31DA unit an efficient indoor heating solution for home and office spaces. It’s highly efficient of Variable Speed Motor not only ensures silent operation but also eliminates cold and hot spots from your house.