Goodman - 40,000 BTU 96% Gas Furnace - 14" Width - Upflow / Horizontal - Two Stage - 115V - R32 - GR9T960403AN

Goodman - 40,000 BTU 96% Gas Furnace - 14" Width - Upflow / Horizontal - Two Stage - 115V - R32 - GR9T960403AN

As a high-efficiency system, the GR9T960403AN Goodman gas furnace features many money saving features. The two-stage, 9-speed furnace uses a superior heat exchanger for better heat transfers to your home. Considered one of the best efficiencies on the market, the GR9T960403AN is a good way to go if you want to lower your gas bill.

Features

• This furnace is ideal to heat a smaller house (depending on climate)
• 40,000 BTU 96% AFUE natural gas furnace
• Requires plastic/PVC flue venting
• Complies with Clean Air Act New Refrigerant Requirements
• Can be used in the upflow or horizontal orientation
• Can be converted to an LP furnace with an optional 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: 96% AFUE rating lowers energy bills while delivering reliable heat.

• Right-Sized Heating: 40,000 BTU output ideal for small spaces or single rooms.

• Two-Stage Comfort: Provides quieter, more consistent heat with improved temperature control.

• Flexible Installation: 14" compact width supports upflow or horizontal setups.

• Easy Integration: 115V power supply works with standard residential systems.

• Durable Design: Engineered for long-term reliability in varied climates.

• Quiet Operation: Optimized for minimal operational noise during heating cycles.

Q&A

Q: What size home or space is this furnace suited for?
A: With 40,000 BTU input and 96% AFUE, it’s ideal for small to medium homes or single‑zone applications, delivering efficient, consistent heat.

Q: How energy efficient is this model?
A: It has a 96% AFUE rating, meaning nearly all fuel is converted into heat — lowering energy costs and boosting winter performance.

Q: What does “two‑stage” operation mean?
A: The two‑stage gas valve runs at a lower setting during mild weather for quieter, more efficient heat and switches to full power when needed — improving comfort and reducing temperature swings.

Q: What blower motor technology is used?
A: Equipped with a multi‑speed ECM blower motor, providing silent airflow and better temperature control than standard single‑speed motors.

Q: What installation orientations are supported?
A: Designed for upflow or horizontal mounting, offering flexible placement in attics, basements, or closets.

Q: What fuel types does it support?
A: Factory‑configured for natural gas and convertible to propane (LP) with an optional conversion kit.

Q: What venting does it require?
A: As a high‑efficiency condensing furnace, it uses plastic/PVC venting for safe exhaust.

Q: What electrical requirements does it have?
A: Operates on 115 V single‑phase power, common for residential HVAC systems.

Q: What durability and service features are included?
A: Includes a self‑diagnostic control board, silicon nitride igniter, and color‑coded low‑voltage terminals for easier installation and maintenance.

Maintenance Tips