MFG#: GR9S800403AU

The GR9S800403AU Goodman gas furnace features high-quality construction and efficient operation at a great value. The GR9S800403AU single-stage, 9-speed furnace utilizes Goodman's superior heat exchanger design to provide efficient, reliable heating to your home. If you're looking to cut your energy bills and improve your comfort without breaking the bank, your search stops with the Goodman GR9S800403AU.

QUICK FACTS

• This furnace is ideal to heat a smaller house (depending on climate)
• 40,000 BTU 80% efficient natural gas furnace
• Requires metal flue venting
• Can be used in the upflow or horizontal (right or left) orientation
• Ultra Low-NOx Compliant for California
• Innovative design for electrical efficiency, safety, and lower sound output

Ultra-Low NOx Compliant

In California, many counties have a lower NOx emission requirement than the rest of the United States. The GR9S800403AU Goodman gas furnace is California Ultra-Low NOx compliant. With a built-in low emission filter and special venting system, this Goodman gas furnace produces less nitrogen oxides to be released into the atmosphere, lowering the overall amount of toxic greenhouse gases output of the average California home.

The GR9S800403AU Goodman gas furnace is 40,000 BTU’s. This BTU count is a measure of the input of the furnace per hour, while the output of this furnace is 32,000 BTU’s (40,000 X 80% AFUE) per hour. In ideal climate conditions, this 40,000 BTU furnace is usually used to heat a small house.

80% Efficiency Rating

The GR9S800403AU Goodman gas furnace is 80% efficient, and the standard furnace efficiency on the market today. This means that 80% of the gas going into the furnace is used to heat your home and the remaining 20% is lost out of the flue venting. Please note that all 80% furnaces must be vented using metal flue venting, while anything higher than 90% efficient must be vented using plastic/PVC venting.

Single Stage Furnace

The GR9S800403AU Goodman gas furnace is a single stage furnace has only one heat output. Regardless of the indoor temperature, this furnace will burn at 100% output whenever the thermostat calls for it. Like a light switch, this furnace’s burner will either be on or off and nothing in between. A single stage furnace is the standard efficient furnace since every time your furnace turns on the furnace uses the same amount of energy.

9-Speed ECM Blower Motor

Instead of the last generation PSC blower motor, the GR9S800403AU utilizes a multi-speed ECM motor, which uses less power and provides smarter air circulation. All of this causes an overall increase in the electrical efficiency of your furnace, which saves you money.