The Goodman GR9S800403AN is a compact 40,000 BTU, 80% gas furnace built for smaller homes. It delivers reliable heat with a simple single-stage design and an efficient 9-speed ECM blower.
Outputs 32,000 BTU after efficiency. Suitable for smaller homes depending on climate. As an 80% unit, it vents with metal flue pipe only.
Single-stage furnace—full output whenever heat is needed. Straightforward, low-maintenance design.
10-year parts and lifetime heat exchanger warranty with registration.
Durable hot surface igniter, diagnostic control board, and heavy-gauge steel cabinet for quieter operation and easier service.