Goodman 80,000 BTU 80% AFUE Upflow/Horizontal Single-Stage Natural Gas Furnace – Model GR9S800803BN

The Goodman GR9S800803BN is a residential natural gas forced air furnace designed to deliver reliable heating performance with 80,000 BTU input capacity and 80% AFUE efficiency. This single-stage furnace provides consistent heating output for homes requiring dependable and straightforward operation.

Engineered for upflow or horizontal installation, this unit offers flexibility based on system layout and mechanical room configuration. It is intended for use with standard ducted HVAC systems and compatible thermostat controls.

As an 80% AFUE non-condensing furnace, this model vents through traditional metal flue systems in accordance with local building and fuel gas codes. It is designed for indoor residential installation and must be properly sized and installed by a qualified HVAC professional to ensure correct airflow, combustion setup, and code compliance.

Specifications

• Type: Gas Forced Air Furnace
• Input Capacity: 80,000 BTU
• AFUE Efficiency: 80%
• Fuel Type: Natural Gas
• Stage Type: Single-Stage
• Configuration: Upflow / Horizontal
• Venting Type: Non-Condensing (Metal Flue)
• Application: Residential Heating
• Installation: Indoor

Warranty

Goodman gas furnaces typically include a limited lifetime warranty on the heat exchanger for original registered residential owners and a limited parts warranty. Warranty coverage may vary based on registration and installation by a licensed professional. Warranty details should be confirmed with the manufacturer or authorized distributor.