Description
GR9S960403BU
The GR9S960403BU Goodman gas furnace features high-quality construction and efficient operation at a great value. The GR9S960403BU single-stage, 9-speed furnace utilizes Goodman's superior heat exchanger design to provide efficient, reliable heating for your home. If you're looking to reduce energy costs while maintaining dependable comfort, the Goodman GR9S960403BU is an excellent choice.
QUICK FACTS
- Ideal for heating a smaller home (depending on climate and insulation)
- 40,000 BTU input, 96% AFUE natural gas furnace
- Requires plastic/PVC flue venting
- Complies with Clean Air Act New Refrigerant Requirements
- Can be installed in upflow or horizontal configurations
- Can be converted to LP (propane) with an optional conversion kit (sold separately)
- Innovative design for electrical efficiency, safety, and quieter operation
- Ultra-Low NOx compliant
Ultra-Low NOx Compliant
In California, many counties have lower NOx emission requirements than the rest of the United States. The GR9S960403BU is California Ultra-Low NOx compliant. With a built-in low-emission burner system and specialized venting design, this furnace helps reduce nitrogen oxide (NOx) emissions, contributing to improved air quality and compliance with California regulations.
Ultra-Low NOx furnaces are required for gas furnace installations in the following counties in California: Fresno, Joaquin, Kern, Kings, Los Angeles, Madera, Merced, Orange, Riverside, San Bernardino, San Stanislaus, and Tulare. If you have any questions, please contact us.
40,000 BTU
The GR9S960403BU has an input rating of 40,000 BTU per hour. With a 96% AFUE, it delivers approximately 38,400 BTU of heating output (40,000 × 96%). Under typical climate conditions, this furnace is well suited for heating smaller homes or well-insulated spaces.
96% Efficiency Rating
The GR9S960403BU features a 96% AFUE efficiency rating. This means approximately 96% of the fuel consumed is converted into usable heat, while only about 4% is lost through the venting system. Furnaces with 90% AFUE or higher require plastic/PVC venting.
Single Stage Furnace
The GR9S960403BU is a single-stage gas furnace, operating at full capacity whenever the thermostat calls for heat. This straightforward design provides dependable performance and consistent comfort while keeping maintenance simple.
Natural Gas Furnace
The GR9S960403BU is factory-configured for natural gas operation. If propane (LP) is required, an optional LP conversion kit must be installed (sold separately).
9-Speed ECM Blower Motor
The GR9S960403BU features a 9-speed ECM blower motor, providing improved energy efficiency compared to traditional PSC motors. The ECM motor delivers quieter operation, more consistent airflow, and reduced electrical consumption, helping improve overall system comfort and efficiency.


