
The largest in the GR9S80 lineup — the GR9S801205DN delivers a massive 120,000 BTU of single-stage heating in the widest 24.5" cabinet. Built for large homes and light commercial applications that need maximum heating output at the most accessible price point in the Goodman furnace family.
Key Features:
- 80% AFUE — dependable, affordable heating performance
- 120,000 BTU input — maximum heating power for the largest spaces
- Single-stage operation with 9-speed ECM blower motor
- Upflow / horizontal installation — flexible for basements, closets, and utility rooms
- Heavy-duty aluminized-steel tubular heat exchanger
- Self-diagnosing control board for easy troubleshooting
- LP convertible with optional conversion kit
- Metal flue venting required
- R-32 compatible
- AHRI Certified and ETL Listed
Specs:
- BTU Input: 120,000 | Output: 96,000
- AFUE: 80%
- Cabinet Width: 24.5"
- Stages: Single
- Blower Motor: 9-Speed ECM
- Fuel Type: Natural Gas (LP convertible)
- Installation: Upflow / Horizontal
- Venting: Metal
- Voltage: 115V
Compatibility: Compatible with 2-5 ton R-32 cooling systems.
Warranty: 10-year limited parts + lifetime heat exchanger warranty when registered within 60 days of installation.
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