Goodman 80% AFUE Gas Furnace Multi Speed ECM, Two Stage, Downflow/Horizontal, 80000 BTUH

Maximum Comfort and Performance — Goodman GD9T800805CX Gas Furnace

The Goodman GD9T800805CX is a high-capacity, 80,000 BTU, 80% AFUE two-stage gas furnace designed for powerful, energy-efficient heating in larger homes. With advanced airflow control, durable components, and flexible installation options, this furnace provides dependable comfort and long-term performance.

Key Features:

• Two-Stage Gas Valve: Operates at low capacity most of the time for improved efficiency and consistent comfort; high stage kicks in only when needed.

• 80,000 BTU Heating Output: Ideal for large residential spaces, offering reliable warmth in colder climates.

• Multi-Speed ECM Blower Motor: Optimizes airflow for better temperature balance, lower energy use, and quieter operation.

• Aluminized Steel Tubular Heat Exchanger: Provides efficient heat transfer and long-lasting durability.

• Quiet Operation: Engineered for minimal noise with insulated cabinets and precision airflow components.

• Self-Diagnostic Control Board: Continuously monitors performance and simplifies maintenance with easy-to-read fault codes.

• Flexible Installation: Supports both upflow and horizontal left/right configurations to accommodate various setups.

• Heavy-Gauge Steel Cabinet: Finished with baked enamel for superior protection against corrosion and wear.

Specifications:

• Heating Capacity: 80,000 BTU/h

• AFUE: 80%

• Fuel Type: Natural Gas (convertible to LP with optional kit)

• Blower Motor: Multi-speed ECM

• Airflow Configuration: Upflow or horizontal

• Cabinet Width: 24.5 inches

• Dimensions (W x D x H): 24.5” x 28” x 33.38”

• Voltage: 115 V, 1 Phase, 60 Hz

• Minimum Circuit Ampacity: 11.8 A

• Maximum Overcurrent Protection: 15 A

• Approximate Weight: 135 lbs

Warranty:

• Lifetime limited warranty on the heat exchanger

• 10-year limited parts warranty with online registration

The Goodman GD9T800805CX is built for homeowners who demand more from their heating system—greater comfort, quieter performance, and long-lasting reliability, even in larger spaces.