| Square Footage | Furnace BTU |
|---|---|
| 1,000-1,200 sq. ft. Home | 40,000 - 60,000 BTU |
| 1,200-1,500 sq. ft. Home | 60,000 BTU |
| 1,500-1,800 sq. ft. Home | 60,000 - 80,000 BTU |
| 1,800-2,500 sq. ft. Home | 80,000 - 100,000 BTU |
| 2,500-3,500 sq. ft. Home | 100,000 to 120,000 BTU |
The Goodman GR9S80 is a dependable single-stage gas furnace built to deliver consistent warmth, quiet operation, and long-term durability. With an 80% AFUE efficiency rating, this furnace is an excellent choice for homeowners in regions with mild to moderate winters who want reliable heating at an affordable price.
AFUE Rating: 80%
Burner Type: Single-stage
Blower Type: Single-speed
Heating Capacity: 40,000 – 67,000 BTUs
ENERGY STAR® Certified: Yes
Durable Heat Exchanger: Heavy-duty aluminized-steel tubular design ensures efficient heat transfer and lasting reliability.
Single-Stage Gas Valve: Provides steady, dependable heating performance for everyday comfort.
Reliable Hot-Surface Igniter: Offers quick, safe, and maintenance-free ignition without the need for a pilot light.
Quiet Operation: The single-speed induced draft blower keeps noise levels low while maintaining consistent airflow.
Self-Diagnostic Control Board: Simplifies troubleshooting and routine maintenance.
With an 80% AFUE rating, the Goodman GR9S80 converts 80% of its fuel into usable heat energy, making it an economical solution for budget-conscious homeowners.
Its single-stage operation means the furnace runs at full output whenever heating is required—ensuring consistent warmth throughout your home. Although this design may not offer the variable performance of higher-end models, it provides dependable comfort and easy maintenance.
The single-speed blower motor maintains steady airflow, while the hot-surface igniter improves energy efficiency and eliminates the need for a constantly burning pilot light.
✔ Dependable Performance: Consistent heating backed by proven single-stage technology.
✔ Built to Last: Rugged aluminized-steel heat exchanger enhances lifespan and reliability.
✔ Quiet and Smooth Operation: Designed to minimize noise while maintaining optimal airflow.
✔ Low Maintenance: Hot-surface igniter and diagnostic board reduce service needs.
✔ Enhanced Air Quality: Compatible with humidifiers and electronic air cleaners (EAC).
✔ Energy-Conscious Design: Delivers efficient heat transfer with minimal energy waste.
Goodman stands behind the GR9S80 with industry-leading warranty protection:
10-Year Limited Parts Warranty
Lifetime Heat Exchanger Warranty
To qualify for full warranty coverage, the furnace must be installed by a licensed HVAC professional and registered within 60 days of installation.
The Goodman GR9S80 combines affordability, reliability, and quiet operation—making it a great option for homeowners seeking steady comfort without breaking the bank.
While it lacks the advanced efficiency of two-stage or variable-speed furnaces, its durable construction, consistent heating, and low-maintenance design make it a smart investment for homes in moderate climates.
If you’re looking for a simple, effective, and budget-friendly furnace, the Goodman GR9S80 is an excellent choice.
