Goodman 80% 40K BTU Gas Furnace Low NOx 14"W Cabinet Downflow/Horizontal

Goodman R32 80% AFUE Gas Furnace 40K BTU 14"W Low NOx Downflow/Horizontal GD9S800403AX

The Goodman GD9S800403AX is a compact, high-efficiency furnace delivering reliable heating performance with a 40,000 BTU capacity and 80% AFUE. As a California Low NOx-compliant model, it’s built to meet specific emissions standards while still offering durable construction, a multi-speed ECM motor, and a quiet, energy-efficient operation. Designed for downflow or horizontal installations, this furnace is ideal for smaller homes in regions requiring low NOx output.

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

Important California Compliance Note

This unit meets California Low NOx standards but cannot be installed in the following counties due to Ultra-Low NOx requirements: Los Angeles, Fresno, Joaquin, Kern, Kings, Madera, Merced, Orange, Riverside, San Bernardino, Stanislaus, and Tulare.
For Ultra-Low NOx-compliant furnaces, please contact us directly.