Goodman 80000 BTUh 80% AFUE Single-Stage Multi-Speed R-32 ECM Gas Furnace GR9S800804CN

Goodman GR9S800804CN 80000 BTU Gas Furnace Overview

The Goodman 80000 BTUh 80% AFUE Single-Stage Multi-Speed R-32 ECM Gas Furnace GR9S800804CN is built for homeowners who need dependable gas heating for a new HVAC system or furnace replacement. This Goodman 80000 BTU furnace delivers 80,000 BTUh heating input and 64,000 BTUh heating output with 80% AFUE efficiency.

The Goodman GR9S800804CN is a single-stage gas furnace with a multi-speed ECM blower motor, heavy-duty aluminized-steel tubular heat exchanger, and upflow/horizontal installation design. It is also built for newer R-32 matched HVAC system applications, making it a practical option when pairing a furnace with updated Goodman cooling equipment.

If you are comparing a Goodman 80 AFUE gas furnace, Goodman single stage furnace, or Goodman furnace 80,000 BTU replacement, this model gives you the right mix of heating capacity, 21-inch cabinet width, 1600 CFM airflow support, and service-friendly controls.

Features of Goodman 80000 BTUh 80% AFUE Single-Stage Multi-Speed R-32 ECM Gas Furnace GR9S800804CN

• 80,000 BTUh heating input with 64,000 BTUh heating output.
• 80% AFUE efficiency for standard-efficiency gas heating.
• Single-stage gas valve for steady heating operation.
• Multi-speed ECM blower motor supports efficient airflow.
• Upflow/horizontal configuration for flexible installation.
• 21-inch C cabinet, useful for replacement fit checks.
• 1600 CFM airflow capacity.
• Heavy-duty aluminized-steel tubular heat exchanger.
• Durable silicon nitride igniter.
• Self-diagnostic control board with fault code LED output.
• Color-coded low-voltage terminals for easier service.
• Single-speed induced draft blower.
• Natural gas operation with LP conversion available using the proper kit.
• 4-inch vent connection.
• 10-year parts limited warranty and 99-year heat exchanger limited warranty with online registration, based on Goodman warranty terms.

Specifications of Goodman 80000 BTUh 80% AFUE Single-Stage Multi-Speed R-32 ECM Gas Furnace GR9S800804CN

Gas Furnace General Specifications

Specification	Details
Brand	Goodman
Model	GR9S800804CN
Product Line	GR9S80
Product Type	Gas Furnace
Capacity	80000 BTU
High Fire Input	80000 BTU
High Fire Output	64000 BTU
AFUE	80%
Max Airflow	1600 CFM
Fuel	Natural Gas, LP capable with conversion kit
Stages	Single Stage
Configuration	Upflow/Horizontal
Blower Motor	Multi-Speed ECM
Cabinet Size	C Cabinet
Cabinet Width	21 Inches
Vent Size	4 Inches
Gas Service Connection	1/2 Inch FPT

Gas Furnace Electrical Data

Specification	Details
Voltage	115 Volts
Phase	1
Frequency	60 Hz
Minimum Circuity Ampacity	11.3 Amps
Recommended Breaker Size	15 Amps

Gas Furnace Dimensions

Specification	Details
F. Connection Size	4 Inches
Furnace Height	33-3/8 Inches
Furnace Width	21 Inches
Furnace Depth	28 Inches

Gas Furnace Weight

Specification	Details
Furnace Weight	132 Pounds
Shipping Weight	132 Pounds

Why Buy Goodman GR9S800804CN from Green Leaf Air?

Buy the Goodman GR9S800804CN 80000 BTU gas furnace from Green Leaf Air when you want the key furnace details clearly listed before placing your order. This model has a 21-inch cabinet, 1600 CFM airflow rating, upflow/horizontal configuration, and 80% AFUE heating performance, so checking the fit before checkout is important.

Green Leaf Air makes it easier to compare this Goodman 80 AFUE gas furnace for replacement or new HVAC system use. If you are shopping for a Goodman 80000 BTU furnace, Goodman single stage furnace, or Goodman furnace 80,000 BTU option, this page gives you the model, capacity, airflow, electrical data, dimensions, and weight in one place.

You can order the furnace online, review the specifications before checkout, and contact Green Leaf Air if you need help confirming whether the GR9S800804CN is the right match for your heating system.

Buying and Installation Note

The Goodman GR9S800804CN should be installed by a licensed HVAC professional. Before ordering, confirm the cabinet width, venting setup, return air arrangement, gas type, electrical requirements, and local code requirements with your installer.

Proper installation helps protect heating performance, airflow, safety, and warranty coverage. If you are replacing an older Goodman furnace, compare the cabinet width, vent size, BTU rating, and airflow needs before placing your order.