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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 reliable two-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 valves, two-stage operation, 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
Goodman - 100,000 BTU 96% Gas Furnace - 21" Width - Downflow / Horizontal - Single Stage - 115V - R32 - GD9S961005CN
Goodman - 100,000 BTU 96% Gas Furnace - 21" Width - Downflow / Horizontal - Single Stage - 115V - R32 - GD9S961005CN
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Goodman - 100,000 BTU 96% Gas Furnace - 21" Width - Downflow / Horizontal - Single Stage - 115V - R32 - GD9S961005CN
Goodman - 100,000 BTU 96% Gas Furnace - 21" Width - Downflow / Horizontal - Single Stage - 115V - R32 - GD9S961005CN
If you're looking to reduce your energy bill and improve the comfort of your home, look no further than Goodman's GD9S961005CN. This gas furnace features efficient operation and high-quality construction to provide your home with reliable, affordable heating. The GD9S961005CN single-stage, 9-speed furnace is a great value designed for many applications.
Features
- This furnace is ideal to heat a large house (depending on climate)
- 100,000 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% 100,000 BTU Single Stage Gas Furnace - 21" Width - Downflow / Horizontal | |
|---|---|
| SKU | GD9S961005CN |
| Weight (in lbs) | 144.000000 |
| AHRI Certificate Number | 215224961 |
| 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 | 100,000 |
| Blower Motor | 9 Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Downflow/Horizontal |
| Energy Star | Yes |
| Electrical | 115 V. 1 Phase 60 Hz |
| Max Breaker Size | 25 Amps |
| Min. Breaker Size | 16.7 Amps |
| Burner Stages | Single |
| Fuel Type | Propane, Natural Gas |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
Manual
What our Experts Think
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High Efficiency Heating: With a 96 % AFUE rating, this furnace converts nearly all fuel into usable heat—reducing energy waste and lowering heating costs compared to standard models.
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Balanced 60 k BTU Output: Delivers 60,000 BTU input (≈57,600 BTU output), making it well‑suited for medium‑sized homes and living spaces.
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Two‑Stage Comfort Control: Two‑stage gas valve operation allows quieter, more stable temperature delivery by modulating between low and full heat stages.
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Multi‑Speed ECM Blower: The 9‑speed ECM blower motor improves airflow precision, enhances comfort, and typically reduces electricity use and noise.
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Flexible Installation: Designed for upflow or horizontal applications, making it easy to fit into basements, closets, or tight mechanical spaces.
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Durable Construction: Features a heavy‑duty insulated cabinet, aluminized primary and stainless‑steel secondary heat exchangers, and a silicon nitride igniter for long‑term reliability.
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Service‑Ready Design: Self‑diagnostic control board and color‑coded terminals help HVAC technicians install and service the unit faster and more efficiently.
Q&A
Q: What heating capacity and efficiency does this Goodman furnace deliver?
A: The Goodman GR9T961004CN provides 100,000 BTU input (≈96,000 BTU output) with a 96% AFUE efficiency, converting nearly all fuel into usable heat to reduce energy waste and lower heating costs.
Q: What type of gas valve and stages does it feature?
A: It includes a two‑stage gas valve, allowing the furnace to run at reduced capacity during milder weather and at full capacity when needed for maximum comfort.
Q: What blower motor does the furnace use?
A: The unit is equipped with a multi‑speed ECM blower motor (9‑speed), delivering efficient, quieter airflow and improved heating performance.
Q: What installation orientations are supported?
A: Designed for upflow or horizontal (left/right) installation, giving flexibility for basements, attics, or closets.
Q: What electrical and venting requirements are there?
A: Operates on standard 115 V single‑phase power and — as a high‑efficiency condensing furnace — requires plastic/PVC flue venting.
Q: What durability and performance features are included?
A: Features include stainless steel secondary heat exchanger, silicon nitride igniter, heavy‑gauge insulated cabinet, self‑diagnostic control board, and low‑speed fan options for quiet circulation.
Q: What fuel types is it compatible with?
A: Factory configured for natural gas and can be converted to propane (LP) with an optional conversion kit.
Maintenance Tips
