Goodman - 40,000 BTU 96% Gas Furnace - 17.5" Width - Downflow / Horizontal - Single Stage - 115V - R32 - GD9S960403BN
If you're looking to reduce your energy bill and improve the comfort of your home, look no further than Goodman's GD9S960403BN . This gas furnace features efficient operation and high-quality construction to provide your home with reliable, affordable heating. The GD9S960403BN single-stage, 9-speed furnace is a great value designed for many applications.
Features
- This furnace is ideal to heat a smaller house (depending on climate)
- 40,000 BTU 96% efficient natural gas furnace
- Requires plastic/PVC flue venting
- Complies with Clean Air Act New Refrigerant Requirements
- Can be used in the downflow or horizontal orientation
- Can be converted to an LP furnace with a conversion kit (sold separately)
- Innovative design for electrical efficiency, safety, and lower sound output
Specifications
| Goodman 96% 40,000 BTU Single Stage Gas Furnace - 17.5" Width - Downflow / Horizontal |
| SKU |
GD9S960403BN |
| Weight (in lbs) |
113.000000 |
| AHRI Certificate Number |
215224958 |
| Airflow Direction |
Downflow/Horizontal |
| Exhaust Flue Requirement |
Plastic / PVC |
| R-32 Compliant |
Yes |
| Brand/Manufacturer |
Goodman |
| Product Features |
New Refrigerant Compliant |
| Furnace Efficiency / AFUE |
96% |
| Heating BTU |
40,000 |
| Blower Motor |
9 Speed - ECM |
| Maximum CFM |
1200 |
| Configuration |
Downflow/Horizontal |
| Energy Star |
Yes |
| Electrical |
115 V. 1 Phase 60 Hz |
| Max Breaker Size |
15 Amps |
| Min. Breaker Size |
10.1 Amps |
| Burner Stages |
Single |
| Fuel Type |
Propane, Natural Gas |
| Height |
34.5" |
| Width |
17.5" |
| Depth |
28.75" |
Manual
What our Experts Think
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High‑Efficiency 96% AFUE Heating: This furnace converts nearly all fuel into usable heat, cutting energy waste and lowering heating costs compared to standard efficiency units—great for energy‑conscious homeowners.
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Right‑Sized 40 k BTU Output: 40,000 BTU input (~38,400 BTU heat output) makes it well‑suited for small to medium residential spaces, delivering consistent warmth without oversizing.
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Single‑Stage Simplicity: Single‑stage gas valve delivers straightforward, dependable operation—ideal for homeowners who want reliable heat without complexity.
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Quiet, Efficient Airflow: Multi‑speed ECM blower motor helps regulate airflow more efficiently and quietly than traditional PSC motors, enhancing comfort and reducing electrical draw.
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Flexible Downflow/Horizontal Installation: Supports downflow or horizontal orientations, giving installation flexibility in attics, closets, or tight mechanical spaces.
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Durable Construction & Controls: Heavy‑gauge steel cabinet, hot‑surface igniter, and self‑diagnostic control board improve reliability and make service easier.
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Modern R‑32 System Compatibility: Designed to integrate with R‑32 refrigerant HVAC systems, aligning with modern efficiency and environmental standards.
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Service‑Ready & Configurable: Plastic/PVC direct venting and convertible fuel options (natural gas/propane with conversion kit) extend flexibility in installation and future use.
Q&A
Q: What heating capacity and efficiency does the Goodman GD9S960403BN furnace offer?
A: The Goodman GD9S960403BN delivers 40,000 BTU input with a 96% AFUE rating, meaning nearly all fuel is converted into usable heat for efficient performance in smaller residential spaces.
Q: What type of operation does this furnace use?
A: It’s a single‑stage gas furnace with a 9‑speed ECM blower motor for quieter, smoother airflow and enhanced energy efficiency.
Q: What installation orientations are supported?
A: Designed for downflow or horizontal (left/right) installation, making it flexible for attics, crawl spaces, or tight utility closets.
Q: What fuel and venting requirements does it have?
A: Operates on natural gas (convertible to LP with an optional kit) and requires plastic/PVC flue venting due to its high‑efficiency design.
Q: What are the key physical specs?
A: The furnace measures about 34.5″ H × 17.5″ W × 28.75″ D and supports up to ≈1,200 CFM airflow, fitting standard residential HVAC systems.
Q: What durability and performance features are included?
A: Built with a heavy‑gauge steel cabinet, stainless‑steel secondary heat exchanger, hot‑surface igniter, and self‑diagnostic control board for reliable, long‑lasting operation.
Maintenance Tips
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Replace or clean air filters every 1–3 months to maintain airflow and prevent dust buildup on the heat exchanger and blower.
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Inspect the heat exchanger annually for cracks or corrosion to ensure safe and efficient operation.
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Clean burners, pilot assembly, and ignition system for proper single-stage combustion.
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Check the blower motor and fan assembly for dust, debris, and lubrication needs.
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Inspect venting and flue pipe for obstructions or leaks to ensure safe exhaust of combustion gases.
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Test gas valve and thermostat for accurate temperature control.
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Verify 115V electrical connections and inspect wiring for wear or corrosion.
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Keep surrounding area clear to maintain airflow and reduce fire hazards.
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Schedule annual professional HVAC service for full inspection, cleaning, and safety testing.
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Register your furnace to activate warranty coverage and maintain service records.
Damage 
Loss 
Theft 
