Goodman 120,000 BTU 97% AFUE Modulating Variable Speed Gas Furnace Upflow/Horizontal 24.5" Cabinet R-32

The absolute pinnacle of Goodman furnace engineering — the most powerful, most efficient, most intelligent furnace Goodman makes. The Goodman GRVM971205DN is the flagship of the entire Goodman furnace lineup — delivering a massive 120,000 BTU of modulating heating at 97% AFUE in the widest 24.5" upflow cabinet available. With 120,000 BTU input, 116,400 BTU output, a modulating gas valve that provides precise comfort and stable indoor temperatures, and a 2,000 CFM variable-speed ECM blower, this is the most advanced residential gas furnace Goodman offers. For large homes and light commercial applications that demand the absolute best in heating performance, comfort, and efficiency — nothing else compares. 

Why You'll Love It:

• 97% AFUE efficiency — converts 97 cents of every energy dollar into heat, the highest efficiency rating available in the entire Goodman furnace lineup — only 3 cents of every dollar is lost through exhaust
• 120,000 BTU input / 116,400 BTU output — the highest heating output in the entire Goodman furnace lineup, built for large homes and light commercial spaces without compromise
• Self-calibrating modulating gas valve — the most precise heating control available — infinitely adjusts output between 40% and 100% to maintain your exact set temperature with virtually zero temperature swings or cycling noise
• True variable-speed ECM blower at 2,000 CFM — the most advanced blower Goodman offers, continuously and intelligently ramps airflow for maximum comfort, whisper-quiet operation, and the lowest possible electricity costs
• 5-ton blower in the widest 24.5" cabinet — built for the highest airflow demands of the largest residential and light commercial applications
• Energy Star certified — independently verified to meet strict energy efficiency guidelines set by the US EPA
• Auto-Comfort mode — automatically optimizes airflow and temperature balance for whole-home comfort without manual adjustments
• Enhanced dehumidification mode — actively manages indoor humidity levels during cooling season for greater year-round comfort
• ComfortBridge™ communicating technology — enables smarter system communication between components for optimized whole-home comfort and efficiency
• CoolCloud™ Bluetooth app — allows contractors to commission, diagnose, and service the unit directly from a smartphone or tablet without removing the cabinet panels
• Upflow / horizontal installation — flexible placement in basements, closets, or utility rooms to suit your home's layout
• Widest 24.5" cabinet in the Goodman lineup — compatible with 2-5 ton R-32 cooling systems for the most demanding whole-home comfort setups
• Certified for direct vent (2-pipe) or non-direct vent (1-pipe) — flexible venting configurations for easier installation in a variety of applications
• Left or right gas and electrical connections — convenient field flexibility for faster, easier installation
• Heavy-duty aluminized-steel tubular primary heat exchanger — engineered for long-lasting durability and efficient heat transfer with wrinkle-bend technology
• Stainless-steel sloped secondary heat exchanger — improved drainage design extracts maximum heat to achieve the industry-leading 97% AFUE efficiency rating
• Heavy-gauge steel cabinet with less than 2% air leakage — airtight construction minimizes heat loss and reduces sound output for the quietest possible operation
• Silicon nitride igniter — more durable than older hot surface igniters, reducing maintenance calls and replacement costs over the life of the unit
• Self-diagnosing control board with constant memory and dual 7-segment display — stores fault codes and displays them clearly for fast, accurate troubleshooting
• Compatible with electronic air cleaners and 120V or 24V humidifiers — seamless indoor air quality integration for whole-home comfort
• LP convertible — easily field-converted to propane with optional kit, giving you fuel flexibility for your home
• PVC/plastic venting required — high-efficiency condensing operation requires plastic vent pipe, not metal
• Complies with California Low NOx 40 ng/J emissions standard — approved for installation in all US states including California
• R-32 compatible — future-ready refrigerant support for pairing with modern R-32 cooling systems
• AHRI Certified, ETL Listed, and Energy Star Qualified — independently verified for safety, performance, and energy efficiency
• Made in the USA — designed, engineered, and assembled domestically

⚠️ PVC/Plastic venting required — this is a 97% AFUE condensing furnace and cannot use metal flue venting.

Specs:

• Input: 120,000 BTU | Output: 116,400 BTU
• AFUE: 97%
• Cabinet Width: 24.5"
• Gas Valve: Self-Calibrating Modulating
• Blower Motor: True Variable Speed ECM (5-Ton)
• Blower CFM: 2,000
• Fuel Type: Natural Gas (LP Convertible)
• Installation: Upflow / Horizontal
• Venting: PVC / Plastic — Single or Dual Pipe
• Voltage: 115V
• Compatible Cooling: 2-5 Ton R-32 Systems
• Certifications: AHRI, ETL, Energy Star

Warranty: 10-year limited parts + lifetime heat exchanger warranty with online registration within 60 days of installation.