The S8B1 furnace is rated up to 80% AFUE and features our patented, more durable Vortica™ II blower design. The single-stage S8B1 furnace is designed to help meet your family’s needs, year after year.  The furnace uses a 9 speed constant torque ECM blower Motor. Because a Trane^® S8B1 furnace is built to last, your family gets the benefits, consistently.

80% AFUE

• High Efficiency Constant Torque ECM Blower Motor
• Exclusive Vortica™ II Blower Housing Design
• Silicon Nitride Hot Surface Igniter
• Durable, Aluminized Steel Heat Exchanger
• Self-Diagnostic Integrated Furnace Control
• Heavy Gauge, Painted Steel Cabinet
• Compatible with Trane CleanEffects™ Models