Goodman 80,000 BTU 80% AFUE Upflow/Horizontal Single-Stage Natural Gas Furnace – Model GR9S800805CN

The Goodman GR9S800805CN is a residential natural gas forced air furnace designed to deliver dependable heating performance with 80,000 BTU input capacity and 80% AFUE efficiency. This single-stage furnace provides steady, consistent heating output for homes requiring reliable comfort.

As an 80% AFUE non-condensing furnace, this unit utilizes traditional combustion technology and vents through a metal flue system in accordance with local building and fuel gas codes.

Configured for upflow or horizontal installation, this model offers flexibility based on duct layout and mechanical room configuration. It integrates with standard residential HVAC duct systems and compatible thermostat controls.

Professional installation by a licensed HVAC technician is recommended to ensure proper system sizing, airflow configuration, 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 heat exchanger warranty for registered residential installations 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.