The S8X1 furnace offers single-stage heat for comfort in cold weather while maintaining the DNA that American Standard is known for quality and reliability. The S8X1 is rated at 80% gas efficiency (AFUE), providing energy savings and a consistent flow of warm, comfortable air in both winter AND summer.

80% AFUE

• 26 – 120 mbth input
• Single-stage heat
• High Efficiency 9 tap Constant Torque ECM Blower
• Single-speed draft inducer
• Silicon nitride igniter
• Fully insulated*/gasketed
• Humidifier and EAC terminals
• Certified to 1% air leakage

* S8X1 & S8X2 models do not have insulation in the blower compartment on the 14.5″ models.