Goodman 80,000 BTU 80% AFUE Upflow/Horizontal Single-Stage Natural Gas Furnace – Model GR9S800804CN

The Goodman GR9S800804CN is a residential natural gas forced air furnace engineered to deliver dependable heating performance with an 80,000 BTU input capacity and 80% AFUE efficiency rating. This single-stage furnace provides steady heat output for properly sized residential applications.

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

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

Professional installation by a licensed HVAC technician is required to ensure proper sizing, airflow configuration, combustion setup, and compliance with applicable codes.

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 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.