Goodman - 80,000 BTU 80% Gas Furnace - 24.5" Width - Upflow / Horizontal - Two Stage - 115V - R32 - GR9T800805DX

Goodman - 80,000 BTU 80% Gas Furnace - 24.5" Width - Upflow / Horizontal - Two Stage - 115V - R32 - GR9T800805DX

The GR9T800805DX Goodman low NOx gas furnace features high-quality construction and efficient operation at a great value. The GR9T800805DX two-stage, 9-speed furnace utilizes Goodman's superior heat exchanger design to provide efficient, reliable heating to your home. If you're looking to cut your energy bills and improve your comfort without breaking the bank, your search stops with the Goodman GR9T800805DX.

Features

• This furnace is ideal to heat a medium-sized house (depending on climate)
• 80,000 BTU 80% efficient natural gas furnace
• Requires metal flue venting
• Can be used in the upflow 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

• Reliable 80,000 BTU Output: Provides 80 k BTU with 80 % AFUE, delivering dependable heat for medium‑sized homes with consistent comfort.

• Two‑Stage Heating Comfort: Two‑stage gas valve adjusts output to match demand—reducing temperature swings and lowering noise versus single‑stage units.

• Flexible Upflow/Horizontal Design: Designed for upflow or horizontal installation, making it easier to fit in basements, closets, attics, or tight mechanical spaces.

• Standard 115 V Power: Runs on common 115‑volt electrical service, simplifying wiring and compatibility with existing systems.

• Solid Construction: Insulated, heavy‑gauge cabinet increases durability, reduces heat loss, and helps maintain quieter operation.

• Service‑Friendly Features: Accessible panels and familiar layout make maintenance and servicing quicker and more straightforward for HVAC technicians.

• R‑32 Compliance Ready: Built to work with R‑32 refrigerant‑based systems, ensuring compatibility with modern split HVAC configurations.

Q&A

Q: What heating capacity and efficiency does this Goodman furnace deliver?
A: The Goodman GR9T800805DX delivers 80,000 BTU input heat with 80% AFUE efficiency, providing dependable heat output suitable for medium‑sized homes.

Q: What type of heating stages does it use?
A: This model features a two‑stage gas valve, offering quieter operation and more consistent home temperature control compared to single‑stage units.

Q: What blower and motor does the furnace include?
A: Equipped with a multi‑speed ECM circulator motor (9‑speed) for optimized airflow, quieter performance, and improved efficiency.

Q: What installation orientations are supported?
A: Designed for upflow or horizontal (left/right) installation, allowing flexible placement in closets, attics, or basements.

Q: What electrical and fuel requirements does it have?
A: Operates on 115 V single‑phase 60 Hz electrical service, with natural gas and LP propane conversion capability (with proper kit).

Q: What venting type is required?
A: As an 80% AFUE furnace, it uses metal flue venting for combustion exhaust.

Q: What are the physical dimensions and airflow capacity?
A: Cabinet measures 24.5″ W × 28″ D × 33.38″ H with a maximum airflow of ~2000 CFM.

Q: What durability and performance features are included?
A: Includes heavy‑gauge steel cabinet with insulation, Silicon Nitride hot‑surface igniter, and self‑diagnostic control board for reliable heating and simplified maintenance.

Maintenance Tips