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Home Goodman

Goodman 80% AFUE 80K BTU Furnace 9-Speed 21"W Two Stage Upflow/Horizontal

SKU GR9T800804CN Gas Furnaces115V
$1,624.00
In StockShips in 1-2 business days
High efficiency. Quiet performance. Easy installation.

A smart, reliable choice for year-round comfort.

Best for:
  • Bedrooms
  • Home Offices
  • Additions
  • Garages
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Cooling
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Heating
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Quiet Inside
High
High Efficiency

Brand Information

Goodman
Support Number
8772544729
Product Overview Full product description Read the longer product copy, features, and application notes.
Goodman
Goodman 80% AFUE 80K BTU Furnace 9-Speed 21"W Two Stage Upflow/Horizontal

Product Overview


Goodman 80% 80K BTU Gas Furnace Two Stage 21" Width Upflow/Horizontal R32 GR9T800804CN

The Goodman GR9T800804CN gas furnace is built for durability, efficiency, and quiet operation. Delivering 80,000 BTUs of heating power with an 80% AFUE rating, this two-stage, 9-speed furnace offers flexible installation options in both upflow and horizontal configurations. Equipped with a 9-speed ECM blower motor and advanced self-diagnostic control board, this unit ensures optimal indoor comfort while reducing utility costs and maintenance concerns. Compatible with natural gas and convertible to propane, it is a solid solution for medium-sized homes seeking long-lasting, cost-effective heating.

Key Features

  • Heating Input - 80,000 BTU heating input with 80% AFUE for energy-efficient performance
  • Burner - Two-stage burner for enhanced comfort and quiet operation
  • Blower Motor - 9-speed ECM blower motor for improved airflow and electrical efficiency
  • Installation - Multi-positional installation – upflow or horizontal configuration
  • Fuel - Factory set for natural gas; convertible to propane with optional kit
  • Venting - Metal flue venting required for safe exhaust
  • Igniter - Durable hot surface igniter increases ignition reliability
  • Cabinet - Heavy-gauge steel cabinet with improved airtight construction
  • Control Board - Self-diagnostic control board for quick troubleshooting and maintenance
  • Suitability - Ideal for medium-sized homes in compatible climate zones

This furnace is an excellent choice for residential applications where efficiency, noise reduction, and installation flexibility are priorities. Its dependable design and premium features make it a reliable upgrade or replacement in most HVAC systems.


Goodman 80% 80K BTU Gas Furnace Two Stage 21" Width Upflow/Horizontal R32 GR9T800804CN

Warranty Type Heat Exchanger Parts Unit
Standard Warranty 5 years 5 years 5 years
Registered Warranty Lifetime 10 years 10 years

Product Benefits

  • High reliabilitynd quality
  • Durablend long igniter life
  • Provisions for electronicir cleanernd humidifier
  • Quietnd Economical heating
  • Energy Efficientnd quiet circulation
  • Self-diagnostic control board with constant memory
  • Operates on two-stage or single-stage thermostats
  • Easy Connection for EACnd Humidifier

Product Features

  • Heavy-dutyluminized-steel tubular heat exchanger
  • "Silicon Nitride igniter"
  • Color-coded low-voltage terminals
  • Two-Stage gas valve
  • Multi-speed ECM blower motor with continuous fan speed
  • Fault code LED Output
  • Two-stage gas valve
  • Furnace control board with self-diagnosticsnd provisions for electronicir cleanernd 120-volt or 24-volt humidifiers

Technical Specifications - GR9T800804CN

sku GR9T800804CN
manufacturer Goodman
product category Unitary
product class Gas Furnace
system family Unitary Split System
function category Heating Only
product type Equipment
unit type Indoor
market type Residential-Single Family
product family GR9T80
short description Goodman 80% AFUE Gas Furnace Multi Speed ECM, Two Stage
family description Two-Stage Multi-Speed ECM Gas Furnace up to 80% AFUE
product description fer uf furnace
cooling btu 48,000
electrical 115 V | 60 Hz | 1 Ph
max breaker size 15 A
min. breaker size 12.45 A
zone compatibility Multi Zone
height 33-3/8 in
width 21 in
depth 28 in
weight 129 lb
warranty ALL PARTS - 10 YEARS PARTS;HEAT EXCHANGER - 20 YEARS PARTS;HEAT EXCHANGER - 20 YEARS PARTS;ALL PARTS - 10 YEARS PARTS;HEAT EXCHANGER - 79 YEARS PARTS;HEAT EXCHANGER - 79 YEARS PARTS;HEAT EXCHANGER - 20 YEARS PARTS;HEAT EXCHANGER - 79 YEARS PARTS;ALL PARTS - 10 YEARS PARTS
safety information Proposition 65 Label: Yes
seer2 0.8
product class pim Gas Furnace
model efficiency 0.80
installation type Ducted
export control classification number eccn EAR99
universal product code upc 663051685628
item stocking unit of measure uom EA
pallet qty 4
country of origin USA
us hts code 7322.90.0015
canadian hts code 7322.90.10.21
afue 80 %
cooling capacity nominal 48000 Btu/H
installation configuration Upflow/Horizontal
produced in us Yes
temperature rise range high fire 25-55 °F
max overcurrent protection 15 A
min circuit amps 12.45 A
power frequency 60 Hz
power phase 1 Ph
power voltage 115 V
air flow rate high heating 1587.6302745 ft³/min
dimensions blower diameter 10 in
dimensions blower width 10 in
dimensions unit depth 28 in
dimensions unit height 33-3/8 in
dimensions unit width 21 in
heat exchanger type Gas
motor speed type Multi Speed ECM
nox burner type Non NOx Rated
weight unit 129 lb
blower motor horsepower 3/4 metric hp
high fire input capacity 80000 Btu
high fire output capacity 64,000
low fire input capacity 56,000
low fire output capacity 44,800
gas valve type Two Stage
proposition 65 label Yes
carton type CTN
case qty 1
dimensions case depth 30.00 in
dimensions case height 35.50 in
dimensions case width 22.00 in
dimensions distribution unit depth 30 in
dimensions distribution unit height 35.5 in
dimensions distribution unit width 22 in
dimensions pallet depth 60.00 in
dimensions pallet height 35.50 in
dimensions pallet width 44.00 in
dimensions shipping unit depth 30.00 in
dimensions shipping unit height 35.50 in
dimensions shipping unit width 22.00 in
distribution shipping volume unit 23430 in³
shipping volume unit 23430.000 in³
truck factor 0.0000
volume case 23430.000 in³
volume distribution shipping unit 23430 in³
weight case 115.500 lb
weight distribution shipping unit 115.5 lb
weight shipping unit 115.500 lb
registered parts warranty commercial ALL PARTS - 5 YEARS PARTS;HEAT EXCHANGER - 20 YEARS PARTS
registered parts warranty multi family ALL PARTS - 10 YEARS PARTS;HEAT EXCHANGER - 20 YEARS PARTS
registered parts warranty residential ALL PARTS - 10 YEARS PARTS;HEAT EXCHANGER - 20 YEARS PARTS;HEAT EXCHANGER - 20 YEARS PARTS;ALL PARTS - 10 YEARS PARTS;HEAT EXCHANGER - 79 YEARS PARTS;HEAT EXCHANGER - 79 YEARS PARTS;HEAT EXCHANGER - 20 YEARS PARTS;HEAT EXCHANGER - 79 YEARS PARTS;ALL PARTS - 10 YEARS PARTS
registered unit replacement warranty residential HEAT EXCHANGER - 10 YEARS UNIT REPLACEMENT;HEAT EXCHANGER - 10 YEARS UNIT REPLACEMENT;HEAT EXCHANGER - 10 YEARS UNIT REPLACEMENT
standard parts warranty commercial HEAT EXCHANGER - 20 YEARS PARTS;ALL PARTS - 5 YEARS PARTS
standard parts warranty multi family ALL PARTS - 5 YEARS PARTS;HEAT EXCHANGER - 20 YEARS PARTS
standard parts warranty residential ALL PARTS - 5 YEARS PARTS;HEAT EXCHANGER - 20 YEARS PARTS
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Product FAQs

Product FAQs

Helpful answers matched to this product, brand, specs, and configuration.
How can I contact Goodman about product or warranty questions?

Goodman Homeowner Support and Consumer Affairs can be reached at 1-877-254-4729 for product, registration, warranty, and claim-related questions. Have the model number, serial number, installation details, and a clear description of the issue available.

Are labor, freight, and service charges automatically included in Goodman warranty coverage?

Not necessarily. Many Goodman manufacturer limited warranties provide the covered replacement part but exclude labor, freight, and other service-related expenses unless the model certificate specifically states otherwise. Separate Asure extended-service coverage may be available through an authorized dealer for eligible equipment and locations.

Where are the Goodman model and serial numbers located?

Cooling equipment normally lists the model and serial numbers on the outdoor unit rating plate, generally near the refrigerant valves. Furnaces and air handlers normally have a rating plate inside the cabinet, so a licensed dealer should assist with access. Installation paperwork may also include the traveler label from the shipping carton.

Can Goodman equipment purchased online qualify for warranty coverage?

Goodman’s internet-sales policy states that equipment purchased through online or other electronic channels is not offered warranty coverage unless it is installed by a dealer who follows all applicable federal, state, and local codes, policies, licensing, and permitting requirements. Keep installation and permit documentation.

How do I register Goodman equipment?

Goodman equipment can be registered through the manufacturer’s online product-registration system. Registration may be completed by the homeowner or the installing dealer, so confirm who will submit it and retain the confirmation for your records.

Where can I find Goodman specifications, manuals, brochures, and warranty certificates?

Goodman publishes model-specific product specifications, brochures, and warranty certificates in its Literature Library. Use the exact model number because documentation and warranty terms can differ between product families and revisions.

What types of HVAC products does Goodman offer?

Goodman offers residential air conditioners, heat pumps, gas furnaces, packaged systems, air handlers, evaporator coils, temperature controls, indoor air products, and selected ductless equipment. Available capacities, efficiencies, refrigerants, and features vary by model and matched system combination.

Why should Goodman equipment be registered within 60 days?

For many eligible residential Goodman products, registration within 60 days of installation can qualify the original homeowner for enhanced limited-warranty terms. Standard coverage may still apply without registration, but the coverage period and available remedies can be different. Registration rules and exceptions vary by product and jurisdiction.

What information is needed to register a Goodman system?

Be prepared to provide the homeowner’s contact information, installation address, installation date, model and serial numbers, and the installing contractor’s name and phone number. Each system component should be entered accurately so the registered equipment matches the installed system.

Do I have to use the original Goodman installing dealer for warranty service?

No. Goodman states that a homeowner may use another licensed contractor to maintain the system and perform work in accordance with the limited warranty. The contractor should verify coverage and follow Goodman’s warranty and distributor procedures.

What does a Goodman manufacturer limited warranty generally cover?

The applicable Goodman warranty certificate generally covers qualifying defects in materials or workmanship under normal use and maintenance. The remedy is typically based on replacement parts or another model-specific remedy stated in the certificate. Coverage is not the same as a maintenance plan or protection against every system problem.

What should I do if a technician cannot diagnose a Goodman system?

The licensed technician should contact Goodman Technical Support or work through the local Goodman distributor. Goodman does not provide technical troubleshooting directly to unlicensed homeowners because HVAC diagnosis and repair involve regulated electrical, gas, and refrigerant work.

What types of issues are commonly excluded from Goodman limited warranty coverage?

Common exclusions can include faulty installation or application, improper operation or maintenance, incompatible or unauthorized accessories, external damage, inadequate electrical service, routine maintenance, filter or coil cleaning, and other conditions listed in the model-specific warranty certificate. The exact certificate controls.

How can I check the warranty coverage on installed Goodman equipment?

Use Goodman’s online warranty lookup with the equipment model and serial number and the requested homeowner or installation information. The lookup is the best way to confirm the coverage recorded for a specific installed unit.

Does every Goodman product have the same warranty?

No. Goodman limited-warranty coverage varies by model, product category, installation type, registration status, installation date, and location. Some eligible models may include enhanced parts, compressor, heat-exchanger, or unit-replacement coverage. Always review the warranty certificate for the exact model.

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