Limited inventory: Please note, this model has been marked as having limited inventory by the manufacturer, although it may still be available for purchase through distributors and contractors for some time.

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Goodman Brand Overall Rating & Average Price

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The Goodman GD9S80 is a single-stage gas furnace designed for reliable heating performance at an affordable price. With an 80% AFUE rating, it efficiently converts fuel into heat, making it a cost-effective solution for homes in moderate winter climates.

In this review, we will explore the key features, performance, and benefits of the Goodman GD9S80 to help you determine if it’s the right fit for your home.

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Goodman GD9S80 Overview

AFUE Rating: 80%
Burner Type: Single-stage
Blower Type: Single-speed draft induced
Heat Exchanger: Heavy-duty aluminized-steel dual-diameter tubular
ENERGY STAR Certified: No

Key Features

• Heavy-duty aluminized-steel heat exchanger for durability and efficient heat transfer
• Single-stage gas valve ensures steady and reliable heating
• Durable hot-surface igniter provides long-lasting ignition performance
• Quiet, single-speed draft inducer reduces operational noise
• Self-diagnostic control board for easy troubleshooting and maintenance

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Performance and Efficiency

With an 80% AFUE rating, the Goodman GD9S80 efficiently converts 80% of its fuel into usable heat, making it a budget-friendly option for homeowners looking for affordable heating.

The single-stage gas valve means the furnace operates at full capacity whenever it’s running, providing consistent warmth but potentially using more energy compared to two-stage or variable-speed models. However, the quiet single-speed draft inducer helps improve airflow while reducing noise levels.

The aluminized-steel dual-diameter heat exchanger enhances heat transfer while ensuring long-term durability, making the GD9S80 a reliable and cost-effective choice.

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Benefits of the Goodman GD9S80

✔ Reliable and durable – Heavy-duty aluminized-steel heat exchanger ensures longevity
✔ Consistent heating performance – Single-stage operation provides steady warmth
✔ Quiet operation – Single-speed draft inducer reduces noise levels
✔ Durable hot-surface igniter – Long-lasting and reliable ignition
✔ Self-diagnostic control board – Helps with troubleshooting and maintenance
✔ Compatible with electronic air cleaners (EAC) and humidifiers – Improves indoor air quality
✔ Energy-efficient circulation – Designed for steady and reliable heating

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Warranty and Coverage

Goodman provides strong warranty protection for the GD9S80, giving homeowners peace of mind with:

• 10-year limited parts warranty
• Lifetime heat exchanger warranty

To keep the warranty valid, the unit must be installed by a licensed HVAC professional, and registration must be completed within 60 days of installation.

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Final Thoughts

The Goodman GD9S80 is a dependable and cost-effective gas furnace that delivers steady heating, quiet operation, and long-term durability. While it may lack the advanced efficiency of two-stage or variable-speed models, it remains an excellent option for homeowners looking for reliable heating at an affordable price.

With its aluminized-steel construction, durable igniter, and self-diagnostic system, the GD9S80 offers solid performance and lasting comfort. If you need a straightforward, budget-friendly furnace, the Goodman GD9S80 is a great choice.

Limited inventory: Please note, this model has been marked as having limited inventory by the manufacturer, although it may still be available for purchase through distributors and contractors for some time.

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Goodman Brand Overall Rating & Average Price

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The Goodman GR9S80-U is a single-stage gas furnace that offers cost-effective, durable, and quiet heating for homeowners seeking a reliable and efficient heating solution. With an 80% AFUE rating, this furnace is best suited for regions with moderate winter conditions.

This review covers the features, performance, and benefits of the Goodman GR9S80-U to help you determine if it’s the right choice for your home.

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Goodman GR9S80-U Overview

AFUE Rating: 80%
Burner Type: Single-stage
Blower Type: Modulating draft inducer
Heat Exchanger: Stainless-steel dual-diameter tubular
Heating Capacity: 40,000 – 67,000 BTUs
ENERGY STAR Certified: No

Key Features

• Heavy-duty stainless-steel heat exchanger for durability and long-lasting performance
• Single-stage gas valve for consistent heating
• Durable hot-surface igniter for reliable ignition
• Quiet, modulating draft inducer to minimize operational noise
• Self-diagnostic control board for troubleshooting and maintenance

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Performance and Efficiency

The 80% AFUE rating means that 80% of the fuel is converted into usable heat, making this furnace a practical option for homeowners looking for reliable heating at a lower upfront cost.

Unlike two-stage or variable-speed models, the single-stage gas valve runs at full capacity when heating, which can lead to higher energy consumption but ensures consistent warmth. The modulating draft inducer helps regulate airflow, improving efficiency and reducing noise.

The stainless-steel heat exchanger enhances durability and heat transfer, making the GR9S80-U a long-lasting and efficient choice.

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Benefits of the Goodman GR9S80-U

✔ High reliability and durability – Stainless-steel heat exchanger resists corrosion and increases lifespan
✔ Consistent heating performance – Single-stage operation ensures steady warmth
✔ Quiet operation – Modulating draft inducer minimizes noise while optimizing airflow
✔ Durable hot-surface igniter – Offers long-lasting and reliable ignition
✔ Self-diagnostic control board – Simplifies troubleshooting and maintenance
✔ Compatible with electronic air cleaners (EAC) and humidifiers – Enhances indoor air quality
✔ Energy-efficient circulation – Designed to improve heat transfer while keeping operating costs manageable

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Warranty and Coverage

Goodman provides strong warranty protection for the GR9S80-U, ensuring peace of mind and long-term reliability. The warranty includes:

• 10-year limited parts warranty
• Lifetime heat exchanger warranty

To maintain warranty coverage, the unit must be installed by a certified HVAC professional, and homeowners should register the unit within 60 days of installation.

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Final Thoughts

The Goodman GR9S80-U is a dependable and cost-effective gas furnace that offers steady heating, quiet operation, and long-term durability. While it may not have the advanced efficiency of two-stage or variable-speed models, it is a great option for homeowners looking for reliable heating on a budget.

With stainless-steel construction, a hot-surface igniter, and a self-diagnostic system, the GR9S80-U delivers consistent performance and long-lasting comfort. If you need affordable, quiet, and efficient heating, the Goodman GR9S80-U is a solid choice.

Limited inventory: Please note, this model has been marked as having limited inventory by the manufacturer, although it may still be available for purchase through distributors and contractors for some time.

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Goodman Brand Overall Rating & Average Price

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The Goodman GR9S80 is a single-stage gas furnace designed for reliable, efficient, and quiet home heating. With an 80% AFUE rating, this furnace is ideal for homeowners looking for affordable and consistent heating performance.

This review highlights the features, benefits, and overall performance of the Goodman GR9S80 to help you decide if it’s the right fit for your home.

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Goodman GR9S80 Overview

AFUE Rating: 80%
Burner Type: Single-stage
Blower Type: Single-speed
Heating Capacity: 40,000 – 67,000 BTUs
ENERGY STAR Certified: Yes

Key Features

• Heavy-duty aluminized-steel tubular heat exchanger for durability and efficiency
• Single-stage gas valve for steady heating performance
• Durable hot-surface igniter for long-lasting ignition reliability
• Quiet, single-speed induced draft blower to minimize operating noise
• Self-diagnostic control board for quick troubleshooting and maintenance

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Performance and Efficiency

The 80% AFUE rating means that 80% of the fuel is converted into usable heat, while the remaining 20% is lost through exhaust. This makes the Goodman GR9S80 an economical option for homes in areas with moderate winter conditions.

As a single-stage furnace, it runs at full capacity whenever it is heating, which may result in higher energy usage compared to two-stage models. However, it is still a cost-effective and dependable heating solution for many homeowners.

The single-speed blower motor ensures consistent airflow, and the hot-surface igniter enhances reliability by eliminating the need for a pilot light.

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Benefits of the Goodman GR9S80

✔ High reliability and durability – Built with quality materials for long-term performance
✔ Simple and effective heating – Single-stage operation ensures steady warmth
✔ Quiet operation – Induced draft blower minimizes noise while maintaining efficiency
✔ Hot-surface igniter – More durable and reliable than traditional pilot lights
✔ Self-diagnostic control board – Helps with troubleshooting and maintenance
✔ Compatible with electronic air cleaners (EAC) and humidifiers – Improves indoor air quality
✔ Energy-efficient circulation – Designed to maximize heat transfer with minimal energy loss

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Warranty and Coverage

Goodman provides strong warranty protection for the GR9S80, ensuring peace of mind and long-term reliability. The warranty includes:

• 10-year limited parts warranty
• Lifetime heat exchanger warranty

To maintain warranty coverage, the unit must be installed by a certified HVAC technician, and homeowners should register the unit within 60 days of installation.

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Final Thoughts

The Goodman GR9S80 is an affordable and reliable gas furnace that offers steady heating performance with minimal noise. Its single-stage operation, durable heat exchanger, and hot-surface igniter make it a dependable choice for moderate climates.

While it may not be as efficient as two-stage or variable-speed models, it provides solid performance at a budget-friendly price. If you need a simple, durable, and effective furnace, the Goodman GR9S80 is a great option!

Limited inventory: Please note, this model has been marked as having limited inventory by the manufacturer, although it may still be available for purchase through distributors and contractors for some time.

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Goodman Brand Overall Rating & Average Price

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The Goodman GR9T80 is a two-stage gas furnace designed to deliver reliable, quiet, and energy-efficient heating. With an 80% AFUE rating, this model is an excellent choice for homeowners looking for a balance between performance and affordability.

This review highlights the features, performance, benefits, and warranty coverage to help you determine if the Goodman GR9T80 is the right heating solution for your home.

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Goodman GR9T80 Overview

AFUE Rating: 80%
Burner Type: Two-stage
Blower Type: Multi-speed ECM
Heating Capacity: 40,000 – 67,000 BTUs
ENERGY STAR Certified: No

Key Features

• Two-stage gas valve for optimized fuel efficiency and comfort
• Multi-speed ECM circulator motor for consistent airflow and reduced noise
• SureStart® Silicon Nitride igniter for extended durability
• Self-diagnostic control board for easy maintenance and troubleshooting
• Low constant fan speed to ensure steady air circulation
• Compatible with electronic air cleaners (EAC) and humidifiers

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Performance and Efficiency

With an 80% AFUE rating, the Goodman GR9T80 converts 80% of the fuel into usable heat, making it a cost-effective option for homeowners in regions with moderate winters.

The two-stage gas valve allows the furnace to operate at a lower heating stage for most of the time, which enhances efficiency and maintains steady indoor temperatures without frequent cycling.

The multi-speed ECM blower motor ensures quiet operation and efficient air distribution, making it ideal for homes where noise levels are a concern.

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Benefits of the Goodman GR9T80

• High reliability and durability – Built with quality materials for long-term performance
• Two-stage heating for better comfort – Reduces temperature fluctuations
• Energy-efficient operation – Lowers fuel consumption compared to single-stage models
• Quiet performance – The ECM motor and two-stage gas valve work together to minimize noise
• Extended igniter lifespan – SureStart® Silicon Nitride igniter offers durability
• Self-diagnostic control board – Helps with troubleshooting and maintenance
• Compatible with electronic air cleaners (EAC) and humidifiers – Enhances indoor air quality
• Works with single-stage and two-stage thermostats – Provides installation flexibility
• Lower operating costs – Designed to reduce heating expenses over time

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Warranty and Coverage

Goodman provides strong warranty protection for the GR9T80, ensuring long-term peace of mind. The warranty includes:

• 10-year limited parts warranty
• Lifetime heat exchanger warranty

To maintain warranty coverage, the furnace must be installed by a certified HVAC technician, and homeowners should register the unit within 60 days of installation.

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Final Thoughts

The Goodman GR9T80 is a dependable and efficient gas furnace that provides quiet, cost-effective heating. With two-stage operation, a multi-speed ECM blower, and a durable igniter, it offers enhanced comfort, better air circulation, and improved energy savings.

While it may not be as efficient as high-AFUE models, it is still a great option for homeowners seeking affordability and performance in a moderate climate. If you need a reliable, quiet, and efficient heating solution, the Goodman GR9T80 is a solid choice!

Limited inventory: Please note, this model has been marked as having limited inventory by the manufacturer, although it may still be available for purchase through distributors and contractors for some time.

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Goodman Brand Overall Rating & Average Price

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The Goodman GD9T80 is a reliable and cost-effective gas furnace designed for homeowners looking for consistent heating, quiet operation, and energy efficiency. With an 80% AFUE rating, this model provides dependable warmth while keeping operating costs in check.

This review will cover the features, performance, benefits, and warranty of the Goodman GD9T80 to help you decide if it’s the right furnace for your home.

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Goodman GD9T80 Overview

AFUE Rating: 80%
Burner Type: Two-stage
Blower Type: Multi-speed ECM
Heating Capacity: 40,000 – 67,000 BTUs
ENERGY STAR Certified: No

Key Features

• Two-stage gas valve for improved efficiency and comfort
• Efficient and quiet multi-speed ECM circulator motor for smooth airflow
• SureStart® Silicon Nitride igniter for long-lasting durability
• Self-diagnostic control board for easy maintenance and troubleshooting
• Low constant fan speed to maintain consistent air circulation throughout the home

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Performance and Efficiency

The 80% AFUE rating means that 80% of the fuel is converted into heat, with the remaining 20% lost through the venting system. While not as high as 90%+ AFUE models, it still provides cost-effective heating for regions with milder winters.

The two-stage gas valve allows the furnace to operate at a lower heating stage for most of the time, reducing energy consumption while keeping your home comfortable. The multi-speed ECM blower motor adjusts airflow to enhance efficiency and maintain consistent temperatures.

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Benefits of the Goodman GD9T80

• Reliable and durable – High-quality construction ensures long-lasting performance
• Energy-efficient heating – Two-stage gas valve optimizes fuel usage
• Quiet operation – The multi-speed ECM blower minimizes noise levels
• Long igniter lifespan – The SureStart® Silicon Nitride igniter is built for durability
• Compatible with electronic air cleaners and humidifiers – Enhances indoor air quality
• Self-diagnostic control board – Stores error codes for easy troubleshooting
• Lower operating costs – Provides economical heating compared to older models
• Constant fan speed for better air circulation – Helps distribute heat evenly throughout the home

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Warranty and Coverage

Goodman provides strong warranty protection for the GD9T80, giving homeowners peace of mind. The coverage includes:

• 10-year parts warranty
• Lifetime heat exchanger warranty

To take full advantage of the warranty, the furnace must be installed by a licensed HVAC professional, and the homeowner must register the unit within 60 days of installation.

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Final Thoughts

The Goodman GD9T80 is a solid choice for homeowners looking for reliable heating at an affordable price. Its two-stage gas valve, multi-speed ECM blower, and SureStart® Silicon Nitride igniter make it a durable, energy-efficient, and quiet furnace.

While its 80% AFUE rating is lower than high-efficiency models, it’s still an economical option for areas with moderate winter temperatures. If you need a dependable and quiet furnace that provides steady warmth and good airflow, the Goodman GD9T80 is worth considering!