The Goodman AFUE Gas Furnace offers powerful, energy-efficient heating designed to keep your home comfortable year-round. It is made with high-quality materials and precise engineering, so it works reliably, quietly, and costs less to run. The Goodman GR9S800403AX model stands out for its low-NOx emissions and durable construction, meeting modern efficiency standards without compromising comfort.

This furnace has an 80% AFUE efficiency rating, which means it turns most of its fuel into useful heat. This cuts down on waste and increases comfort. Its nine-speed ECM motor keeps the airflow stable and silent, while the single-stage gas valve keeps the heating output steady. Designed for upflow or horizontal installation, this unit provides flexibility for different home setups.

The Goodman Gas Furnace GR9S800403AX is built with a heavy-gauge steel cabinet that resists corrosion and wear, ensuring long-term durability. It’s engineered to meet strict environmental standards, making it a smart, eco-friendly choice for households seeking dependable performance with reduced emissions.

Features:

• An 80% AFUE rating means that it uses less energy and costs less to heat.

• The nine-speed ECM motor makes sure that the airflow is smooth, quiet, and always comfortable.

• A heavy-duty steel cabinet provides strength and long-lasting protection.

• Low-NOx compliant design meets modern environmental requirements.

• Easy installation for both upflow and horizontal configurations.

This furnace combines energy efficiency, reliability, and eco-conscious operation - the perfect choice for homeowners looking to maintain warmth, comfort, and savings through every season.