Goodman 40000 BTU Efficient Upflow Furnace GR9S800403AU Gray

Description

Product Overview

The Goodman GR9S800403AU is a high‑performance furnace engineered for demanding laboratory and industrial applications. Rated at 40,000 BTU, this unit delivers an impressive 80% seasonal energy efficiency ratio (SEER), helping facilities lower operating costs while maintaining precise temperature control. Its multi‑speed ECM (electronically commutated motor) provides variable airflow, ensuring optimal heat distribution and quieter operation compared to traditional single‑speed motors. The furnace features an upflow/horizontal installation design, allowing flexible placement in tight spaces and ensuring efficient heat rise. Constructed with a durable aluminized steel primary heat exchanger and a long‑lasting silicon nitride igniter, the unit offers reliable ignition without the need for pilot lights, reducing maintenance requirements. The cabinet measures 14 inches in width, 28 inches high, and 33.38 inches deep, and the gray finish integrates seamlessly with most lab equipment aesthetics. Tool‑less filter access simplifies routine cleaning, further enhancing operational efficiency.

Usage

This furnace is ideally suited for laboratory environments where precise temperature regulation is critical, such as chemistry labs, research facilities, and quality‑control testing areas. It also serves well in industrial settings that require reliable space heating, including manufacturing workshops, warehouse sections, and utility rooms. The upflow configuration directs warm air upward, making it perfect for ceiling‑mounted installations or spaces with high ceilings. Its compact dimensions allow installation in confined mechanical rooms or alongside other equipment without sacrificing performance. The furnace’s robust construction and low‑NOx emissions meet stringent environmental standards, making it a responsible choice for facilities aiming to reduce their carbon footprint. Whether used to maintain a stable ambient temperature for sensitive experiments or to provide comfortable working conditions for staff, the Goodman GR9S800403AU delivers consistent, efficient heating.

Why Choose Us

Choosing the Goodman GR9S800403AU means investing in a furnace that combines advanced technology with proven reliability. Goodman’s reputation for quality engineering ensures that each component, from the ECM motor to the silicon nitride igniter, meets rigorous performance standards. The furnace’s multi‑speed capability not only improves comfort but also reduces energy consumption, delivering cost savings over the product’s lifespan. Our dedicated support team provides comprehensive after‑sales service, including installation guidance, troubleshooting assistance, and access to genuine replacement parts. Additionally, the furnace complies with R32 refrigerant standards and ultra‑low NOx emissions, aligning with modern sustainability goals. With a focus on durability, ease of maintenance, and performance, this furnace stands out as a dependable solution for demanding heating applications.

Key Features

• Multi‑speed ECM motor delivers precise airflow control for even heating and reduced noise.
• Silicon nitride igniter provides reliable, maintenance‑free ignition without pilot lights.
• Upflow/horizontal design allows flexible installation in tight or high‑ceiling spaces.
• Tool‑less filter access simplifies routine cleaning, saving time and labor.
• Comprehensive customer support and genuine parts availability ensure long‑term reliability.

FAQ

Can this furnace be installed as a downflow unit?

No. The GR9S800403AU is designed for upflow or horizontal installation only. For downflow applications, consider Goodman models that begin with GD9.

What type of refrigerant does this furnace use?

The unit is R32 ready, offering high efficiency while meeting low‑global‑warming‑potential standards.

Is the furnace compatible with propane conversion kits?

Yes, a liquid propane (LP) conversion kit is available separately to adapt the furnace for propane fuel.

How does the multi‑speed motor improve energy efficiency?

The ECM motor adjusts its speed to match heating demand, reducing unnecessary power draw and maintaining consistent indoor temperatures with less energy waste.

What warranty coverage is provided?

Goodman offers a limited warranty covering the motor and major components, backed by a network of authorized service technicians for prompt assistance.