The S9X2 furnace offers two stages of heat and a high-efficiency constant torque ECM blower motor for comfort in cold weather, while maintaining the DNA that Trane is known for: quality and reliability. The S9X2 is rated at 96% gas efficiency (AFUE), providing energy savings and a consistent flow of warm, comfortable air in both winter AND summer.


High-efficiency 9 tap ECM constant torque blower mower
Two-speed inducer
Compatible with 2-stage OD equipment
40–120 mbth input
Two-stage heat
Dry contact Humidifier and EAC terminals
Fully insulated/gasketed
Standard 34″ height
IFC board with digital configuration, status and fault codes
Silicon nitride ignitor
Single or two pipe vent options
Certified to 1% air leakage
ENERGY STAR® qualified (Select models)