The Goodman® GKS9 92.1% AFUE Single-Stage, Multi-Speed Upflow Gas Furnace features a patented aluminized-steel tubular heat exchanger and energy-efficient Hot Surface Ignition system.

This furnace is run-tested for heating or combination heating/cooling applications. With a corrosion-resistant, painted steel cabinet, this unit can be installed in a variety of locations.

• Patented TuffTube™ dual-diameter tubular heat exchanger with Lifetime Limited Warranty
• Single-stage combination redundant gas valve
• Hot surface igniter with Norton Mini-igniter and patented adaptive learning control for maximum igniter life
• Energy-saving, quiet four-speed direct-drive circulator blower motor
• Integrated electronic furnace control board with self-diagnostics, low-voltage terminal block
• Dual-certified for sealed combustion direct vent (2-pipe) or non-direct vent (1-pipe) applications
• Easy-to-install top venting
• Quiet, single-speed induced draft blower
• Foil-faced insulation lines the heat exchanger
• Designed for upflow installation but can be converted to horizontal left or right with a pressure switch kit
• Airtight solid bottom for side-return applications and easy-cut tabs for effortless removal in bottom air-inlet applications
• Coil and furnace fit flush for most installations
• All models comply with California NOx emissions standards