The S9B1 furnace features an AFUE of 92%, meaning that 92 cents of every dollar you spend is converted into heat for your home. Materials for all components are tested again and again for long-lasting performance and reliability.
- High Efficiency
- ECM Multi-Speed Motor
- Budget Friendly
|Efficiency (AFUE)||96||80||92.1||up to 96.5||80|
|Blower Motor||ECM Multi-Speed||ECM-Variable Speed||ECM Multi-Speed||ECM- Multi Speed||Variable|
|Gas Valve||1 Stage||2-stage||1 Stage||1 Stage||2 Stage|
|Cabinet Air Leakage||< 1%||> 2%||< 2%|
100% fresh air option reduces heat exchanger corrosion and ensures adequate combustion air.
Perfectly shape the flame cone for the maximum heat possible while using less fuel.
Highly reliable ignition system provides longer service life.
Allows for easy installation and is less invasive to the structure of your home.
Help reduce operating sound and air infiltration.
Crimped, not welded, to prevent cracks from heat stress. Stamped serpentine channel offers the greatest efficiency in less space.
Made of AL29-4C stainless steel to capture more of the heat you pay for.
Works with modulating gas valve to enhance efficiency, comfort and reliability.