Goodman GD9S80 Review
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AFUE:Up to 80%
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ENERGY STAR ®:No
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Burner Type:Single-Stage
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Blower Type:Multi Speed ECM Motor
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Warranty Score:
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Overall Grade:Unlock
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Price:$4,000 - $4,600
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BTU Output:36,800 to 110,400
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Warranty Grade: It can be difficult to know which brands and models offer the best warranty coverage, particularly because a lot of the key details are hidden in dense warranty documents filled with hard to understand legalese. Thankfully for you, we’ve carefully studied them and created this grading system to account for things like the length AND quality of their guarantee, coverage restrictions and more!
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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.
Goodman Brand Overall Rating & Average Price
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.
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
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.
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
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.
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.
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