Goodman 80% AFUE 80K BTU Gas Furnace 9-Speed Ultra-Low NOx 17.5"W Upflow/Horizontal

Goodman 80% 80K BTU Gas Furnace Ultra-Low NOx 17.5" Width Upflow/Horizontal GR9S800804BU

The Goodman GR9S800804BU gas furnace delivers reliable, energy-efficient heating with an affordable price tag. Engineered with Goodman’s industry-leading heat exchanger technology and a 9-speed ECM blower motor, this furnace is designed to improve indoor comfort while minimizing energy use and sound output. Ideal for medium-sized homes, the GR9S800804BU offers a versatile installation in both upflow and horizontal positions and complies with Ultra-Low NOx emissions standards for California.

Product Features:

• 80,000 BTU Input / 64,000 BTU Output – Delivers dependable heat output, perfect for small to medium-sized homes depending on your climate zone.
• 80% AFUE Efficiency – Converts 80% of fuel into usable heat; standard efficiency rating ensures cost-effective operation.
• Ultra-Low NOx Compliant – Meets stringent emissions standards required for installation in California and other regulated areas.
• Single Stage Heating – Provides consistent heating at 100% capacity whenever the system is running for simplified performance.
• 9-Speed ECM Blower Motor – Increases electrical efficiency while maintaining quieter operation and improved air circulation compared to traditional PSC motors.
• Upflow or Horizontal Installation – Flexible installation options allow for placement in attics, basements, or utility rooms.
• Metal Flue Venting Required – Designed for standard 80% efficiency venting with metal flue systems (PVC not supported).
• Durable Hot Surface Igniter – Enhances ignition reliability and efficiency, replacing outdated standing pilot designs.
• Self-Diagnostic Control Board – Built-in sensors detect and diagnose issues, improving safety and simplifying maintenance or service.
• Heavy-Gauge Steel Cabinet – Rigid design improves durability, minimizes heat loss, and reduces operational noise.
• Color-Coded Low Voltage Terminals – Speeds up installation time and reduces wiring confusion for HVAC professionals.

Warranty Information:

The Goodman GR9S800804BU gas furnace comes backed by a robust manufacturer warranty: 10-year parts warranty and a lifetime heat exchanger warranty when registered online and installed according to local codes.

Why Choose the GR9S800804BU?

If you're looking for a cost-effective heating solution that doesn't compromise on efficiency or comfort, the Goodman GR9S800804BU is a smart choice. With its reliable single-stage operation, low-NOx compliance, and durable design, this furnace provides excellent long-term value—especially in states like California with strict emissions regulations.