Goodman 80% AFUE 40K BTU Furnace 9-Speed Low NOx 14"W 2-Stage Downflow/Horizontal

Goodman R32 80% AFUE Gas Furnace 40000 BTU 14"W Two-Stage Low NOx Downflow GD9T800403AX

The Goodman GD9T800403AX is a compact, energy-efficient 40,000 BTU two-stage gas furnace engineered for small homes. Featuring a 9-speed ECM blower motor and 80% AFUE efficiency, this model provides flexible heating performance with lower noise levels and optimized energy use. Its dual-stage burner adapts to indoor conditions for greater comfort and even temperature distribution. The GD9T800403AX supports downflow and horizontal installation configurations and can be converted to propane with an optional kit. Designed with a durable cabinet and intelligent control board, this furnace offers long-term reliability, easier serviceability, and reduced maintenance needs.

Key Features

• Heating: 80% AFUE gas furnace provides efficient whole-home heating
• Refrigerant: Factory-charged with R32 refrigerant for reliable, eco-conscious operation
• Certifications: AHRI Certified and ETL Listed for verified safety and performance standards
• Installation: Designed for easy installation as a matched system with compatible Goodman components

This furnace is a great choice for smaller homes or spaces where quiet, efficient, and consistent heat is a priority—perfect for basements, attics, or other compact installations.