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

Manual

• Installation Manual
• Specifications Sheet
  

What our Experts Think

• 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.

• 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.

• Two‑Stage Comfort Control: Two‑stage gas valve operation allows quieter, more stable temperature delivery by modulating between low and full heat stages.

• Multi‑Speed ECM Blower: The 9‑speed ECM blower motor improves airflow precision, enhances comfort, and typically reduces electricity use and noise.

• Flexible Installation: Designed for upflow or horizontal applications, making it easy to fit into basements, closets, or tight mechanical spaces.

• 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.

• 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