The Goodman GD9S800804BX is engineered for homes that demand robust heating performance. Offering an input of 80,000 BTU and an 80% AFUE efficiency rating, this unit from the trusted Goodman Furnace line is designed to deliver dependable warmth with cost‑effective operation. Featuring a multi‑speed ECM blower motor, it delivers smoother airflow and quieter performance while adjusting to your household’s heating needs. With down‑flow or horizontal installation options, it adapts easily to attics, basements or compact utility areas. Built with a heavy‑duty aluminized‑steel tubular heat exchanger and a self‑diagnostic control board, this furnace offers both durability and user‑friendly service capability. The Goodman Gas Furnace  is a solid choice for homeowners seeking high‑capacity heating that balances efficiency, flexibility and long‑term reliability.

Key Features:

• 80,000 BTU input capacity with 80% AFUE efficiency for larger homes

• ECM blower motor with multiple speeds for better airflow and quieter operation

• Horizontal/downflow installation orientation for flexible positioning

• Aluminized‑steel tubular heat exchanger built for longevity and efficient heat transfer

• Integrated self‑diagnostic control board for simplified maintenance and troubleshooting
  
  

Ideal for homeowners upgrading their heating system or installing a new one in a large space, the Goodman Gas Furnace GD9S800804BX offers the power and efficiency to keep your home comfortable across seasons.