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Reliable Heating for Year‑Round Comfort

Author : Acunits forless | Published On : 11 Nov 2025

Upgrade your home heating system with the Goodman GD9S800403AN, an efficient and dependable choice built for modern homes seeking value and performance.

The Goodman Gas Furnace GD9S800403AN boasts an 80% AFUE rating and a 40,000 BTU input capacity, making it a smart option for smaller to medium‑sized homes that need consistent warmth without overpaying for capacity.It has a multi-speed ECM blower motor for more comfortable and quieter airflow. This machine is made to last thanks to its heavy-duty aluminized steel tube heat exchanger. Its multi‑position design supports both down‑flow and horizontal installations-perfect for attics, basements, or compact mechanical rooms. A compact cabinet, heavy‑gauge steel build and foam‑insulated panels help minimize noise and increase efficiency. Compatible with R‑32 refrigerant systems and equipped with a self‑diagnostic control board, this furnace simplifies servicing and upkeep. For homeowners looking for smart heating that balances cost, flexibility and reliability, this model delivers.

Key Benefits:

  • 80% AFUE efficiency rating means less fuel wasted and better value.

  • 40,000 BTU input capacity tailored for smaller or mid‑sized homes.

  • An ECM blower motor with many speeds for more precise and quiet airflow.

  •  Long longevity is guaranteed with a sturdy aluminized-steel tubular heat exchanger.

  • Supports down‑flow and horizontal installation for greater flexibility.

  • Compact, heavy‑gauge steel cabinet and insulation to reduce operational noise.

  • Self‑diagnostic control board simplifies maintenance and monitoring.

This furnace offers a thoughtful blend of efficiency, durability and flexibility — an excellent heating solution for homeowners who demand strong performance without unnecessary complexity.