The S8X1 is rated at 80% AFUE and features our exclusive patented Vortica™ II blower design. These technologies help reduce monthly energy bills, reduce noise, and deliver the best possible airflow to keep your home comfortable. The furnace uses a 9 speed constant torque ECM blower Motor.

Materials for all components are tested again and again for long-lasting performance and reliability.

80% AFUE

• 26 – 120 mbth input
• 9 Speed constant torque ECM blower motor
• Single-stage heat
• Single-speed draft inducer
• Silicon nitride igniter
• Fully insulated*/gasketed
• Humidifier & EAC terminals
• Certified to 1% air leakage

* S8X1 & S8X2 models do not have insulation in the blower compartment on the A width cabinets.